WO2009005913A1 - Multimedia communications device - Google Patents
Multimedia communications device Download PDFInfo
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- WO2009005913A1 WO2009005913A1 PCT/US2008/064902 US2008064902W WO2009005913A1 WO 2009005913 A1 WO2009005913 A1 WO 2009005913A1 US 2008064902 W US2008064902 W US 2008064902W WO 2009005913 A1 WO2009005913 A1 WO 2009005913A1
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- media
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- communication device
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Definitions
- the caller is required to wait for the phone on the other end to stop ringing, transition into the voice mail system, listen to a voice message greeting, and then leave the message.
- Current voice mail systems are also inconvenient for the recipient. The recipient has to dial a code to access their voice mail, navigate through a series of prompts, listen to any earlier received voice messages in the queue, and then finally listen to the message of the sender.
- TCP Transmission Control Protocol
- UDP User Datagram Protocol
- VoIP Voice over Internet Protocol
- TCP does guarantee the delivery of perfect (i.e., an exact copy of the transmitted data) data, but at the expense of latency. All packets are delivered, regardless of how long it takes. This delay makes TCP impractical for use with "live" phone calls.
- the present invention is directed to an improved media communication device for communicating over a communication network.
- the communication device includes an encoder, a time-shifting buffer and a transmitter to progressively encode, store in a time-based format, and transmit over the network locally created media created using the communication device.
- the communication device also includes a receiver and a rendering element to receive and progressively render media received over the network from a remote source.
- the received media is also stored in the time- based format in the time-shifting buffer.
- the received media may be rendered in a near real-time mode and the received and locally created media may be rendered in a time-shifted mode.
- the locally created and received media may be streaming media.
- the media may be segmented into messages that are transmitted to and from the communication device over the network.
- Figure 1 is a diagram of the architecture of the communication and media management system of the invention.
- Figures 2A and 2B illustrate a block diagram of a Client running on a Device in the communication and management system of the invention.
- Figure 3 is a block diagram of a Server used in the communication and media management system of the invention.
- Figures 4A through 4D illustrate various embodiments of data payloads used in the communication and management system of the invention.
- Figure 5 is a diagram illustrating data being transmitted over a shared IP network in accordance with the invention.
- Figure 6 is a diagram illustrating data being transmitted over a circuit based network in accordance with the invention.
- Figure 7 is a diagram illustrating data being transmitted across both a cellular network and the Internet in accordance with the invention.
- Figures 8A through 8F are a series of flow diagrams illustrating a store and stream function of the communication and management system of the invention.
- Figures 9A through 9C are flow diagrams illustrating the operation of a Payload Quality Manager (PQM) and Figures 9D through 9F are flow diagrams illustrating the Data Quality manager (DQM), both used by the Clients and Servers of the invention.
- PQM Payload Quality Manager
- DQM Data Quality manager
- Figure 10 is an exemplary device having a graphical user interface that may be used with the system of the invention.
- Figures HA through HF are diagrams illustrating multiple conversation management (MCMS) features of the invention.
- the communication media management method and system supports new modes of engaging in voice conversations and/or managing multiple simultaneous conversations using a variety of media types, such as voice, video, text, location, sensor information, and other data.
- Users can engage in conversations by sending voice messages to designated recipients.
- the recipient(s) might participate in the conversation in real time, or they might simply be notified that the message is ready for retrieval. In the latter case, the recipient participates in the conversation in a time-shifted mode by reviewing and replying to the recorded message at their convenience.
- the conversation consists of a series of discrete recorded messages, which are recorded in a number of locations, which may include the encoding device of the sender, (e.g. a phone or computer), servers on multiple transmission hops across the network, and the receiver's rendering device.
- the system provides the following features and advantages: (i) the conversation can transition between live and time-shifted or vice versa; (ii) the discrete messages of the conversation are semantically threaded together and archived; (iii) since the messages are recorded and are available for later retrieval, attention can be temporarily diverted from the conversation and then the conversation can be later reviewed when convenient; (iv) the conversation can be paused for seconds, minutes, hours, or even days, and can be picked up again where left off; (v) one can rejoin a conversation in progress and rapidly review missed messages and catch up to the current message (i.e., the live message); (vi) no dedicated circuit is needed for the conversation to take place, as required with conventional phone calls; and (vii) lastly, to initiate a conversation, one can simply begin transmitting to an individual or a group.
- the communication media management system also supports new modes of optimizing the transmission of data over a network.
- the system actively manages the delivery of payloads to a recipient engaged in a conversation in real time when network conditions are less than ideal. For example when network conditions are poor, the system intentionally reduces the quality of the data for transmission to the point where it is "good enough" to be rendered upon receipt by the recipient, allowing the real time participation of the conversation.
- the system also guarantees the eventual delivery of an "exact" copy of the messages over time.
- the system and method therefore provides the advantages of both speed and accuracy.
- the utilization of network bandwidth is optimized by making tradeoffs between timeliness and media quality, using the presence and intentions of whether or not recipient(s) intend to review to the message immediately in real time, as well as measures of network latency, network degradation, packet loss or damage, and/or current bandwidth conditions.
- the messages of conversations may contain voice only or voice, video and other data, such as sensor information. When the messages are reviewed, they are listened to or visually reviewed, or a combination thereof, depending on the type of media contained in the messages.
- most conversations are voice only, it is intended that the communication system and method described herein broadly includes conversations including multiple media types, such as voice and video for example.
- An improved voice and other media communication and management system and method which provides one or more of the following features and functions: i. enabling users to participate in multiple conversation types, including live phone calls, conference calls, voice messaging, consecutive or simultaneous communications ; ii. enabling users to review the messages of conversations in either a live mode or a time- shifted mode (voice messaging); iii. enabling users to seamlessly transition a conversation between a synchronous
- “live” mode and a time shifted mode iv. enabling users to participate in conversations without waiting for a connection to be established with another participant or the network. This attribute allows users to begin conversations, participate in conversations, and review previously received time-shifted messages of conversations even when there is no network available, when the network is of poor quality, or other participants are unavailable; v. enabling the system to save media payload data at the sender and, after network transmission, saving the media payload data at all receivers; vi. enabling the system to organize messages by threading them sequentially into semantically meaningful conversations in which each message can be identified and tied to a given participant in a given conversation; vii.
- enabling users to manage each conversation with a set of user controlled functions such as reviewing "live”, pausing or time shifting the conversation until it is convenient to review, replaying in a variety of modes (e.g., playing faster, catching up to live, jump to the head of the conversation) and methods for managing conversations (archiving, tagging, searching, and retrieving from archives); viii. enabling the system to manage and share presence data with all conversation participants, including online status, intentions with respect to reviewing any given message in either the live or time- shifted mode, current attention to messages, rendering methods, and network conditions between the sender and receiver; ix.
- Client is the user application in the communication system, which includes a user interface, persistent data storage, and "Voxing" functionality. Users interact with the Client application, and the Client application manages all communications (messages and signals) and payload (Media) transfers that are transmitted or received over a network.
- the Client supports encoding of media (e.g., the capturing of voice, video, or other data content) and the rendering of media and supports security, encryption and authentication as well as the optimization of the transmission of data across the network.
- a Client may be used by one or multiple
- Device A physical device that runs the Client application.
- a User may be actively logged into a single Device or multiple Devices at any given point of time.
- a Device may be a general-purpose computer, a portable computing device, a programmable phone, a programmable radio, or any other programmable communication device.
- Servers A computer node on the communication network. Servers are responsible for routing Messages sent back and forth between Users over the network and the persistent storage and archiving of Media payloads. Servers provide routing, transcoding, security, encryption and authentication and the optimization of the transmission of data across the network. B.2. Media
- Message An individual unit of communication from one User to another. Each Message consists of some sort of Media, such as voice or video. Each Message is assigned certain attributes, including: (i) the User sending the message; (ii) the Conversation it belongs to; (iii) an optional or user created Importance Tag; (iv) a time stamp; and (v) the Media payload.
- Conversation A thread of Messages (identified, persistently stored, grouped, and prioritized) between two or more Users on their Devices. Users generally participate in a Conversation using their Devices by either Reviewing Messages in real time or in a time-shifted mode, or creating and sending Messages of a Conversation as desired. When new Messages are created, they either define a new Conversation, or they are added to an existing Conversation.
- Head of a Conversation The most recent Message of a conversation that has been encoded by the most recent speaker.
- Multiple Conversation Management System An application that runs as part of a Client application, which enables a User to engage in multiple Conversations using a variety of Media types.
- MCMS Multiple Conversation Management System
- a User selects one Conversation among the multiple Conversations as current, where only the Messages of current conversation are rendered.
- the User may transition from a series of back and forth Messages in time-shifted mode to near-synchronous "live" mode, similar to a standard telephone conversation, and back again.
- the Messages of the non-selected Conversations are in a paused state. Messages associated with the non-selected Conversion will accumulate if others are still participating in those Conversations.
- the User may selectively transition the current Conversation among the multiple Conversations and Review the accumulated Messages of the selected current Conversation.
- MCMS-C Multiple Conversation Management System- Consecutive or MCMS-C: Similar to MCMS, with the added feature of rendering and enabling Users to manage and participate in multiple Conversations consecutively through a hierarchical system of Priorities and time- shifting, which are automatically managed by the system.
- the MCMS-C application allows the Messages of consecutive Conversations to be rendered in a prioritized order, as opposed to MCMS where only the Messages of the currently selected Conversation are rendered.
- MCMS-C is particularly applicable in situations where it is important that the Messages of the consecutive Conversations are rendered, in the prioritized order, and/or the receipt of all Messages, even those belonging to lower priority Conversations, is more important than receiving the Messages in real-time. Examples of situations where MCMS-C may be suitable include, but are not limited to, hospitals, taxi fleet management, or tactical communications.
- MCMS-S Similar to MCMS, with the added feature of enabling With MCMS-S, multiple Conversations are selected for simultaneous rendering, as opposed to MCMS where the Messages of only the selected current Conversation are rendered.
- the MCMS-S application is particularly applicable in situations where a User is listening to multiple Conversations at the same time, such as a trader listening to multiple brokers on different exchanges and periodically sending trading requests to one or multiple of them simultaneously.
- MCMS-S may also be suitable for tactical communications as well.
- Priority The mechanism through which the system determines which Message to render next when a User is participating in MCMS-C. Priority is automatically managed by the system.
- a User can set default Priorities, or a predetermined set of system Priorities may be used.
- the system resolves the conflict at least partly based on Priority, to determine what Message to render immediately and what Message to time shift.
- Tags a set of attributes a User or the system may assign to a Conversation or a message, such as a topic (a company name), a directive ("action items"), a indicator (“conversation summary”), or any other label by which one might want to search or organize the data.
- Importance Tags A special Message attribute that enables a sender to specify when a Message is to be rendered, regardless of other Priority settings. An "urgent" Importance tag will override other Priorities for example. This feature is critical for tactical systems, though any system can be configured to use or disable this feature.
- Packet Any unit of binary data capable of being routed through a computer network. Each packet consists of header (meta data) and payload (media data). Includes standard packet protocols such as, but not limited to, Internet Protocol (IP),
- IP Internet Protocol
- EvDO EvDO
- UMTS any other packet-based network, either radio, fiber optic, or wired.
- Header or Packet Header The portion of a packet that describes the packet; the meta data concerning the payload, its encoding type and destination.
- Vox packet A proprietary packet that enables the system and method to further refine and optimize the delivery of Messages, Media and other signaling information.
- Media Payload (or Payload): The actual Media portion of a Packet. B.3. Media Management
- Time Shift Delay The amount of time between the arrival of a Vox Packet and the rendering of the Packet on a Device. The TSD must exceed the
- the TSD is typically determined by the User's behavior in choosing to review the Messages of a Conversation some time after receipt.
- MTSD Minimum Time Shift Delay
- Client to allow for jitter processing using jitter buffer techniques. This causes the system to delay rendering until an adequate number of the packets have arrived to create a usable media stream.
- the system will typically adaptively adjust the MTSD over time to compensate for variable conditions in the network.
- Rendering Delivering a Media stream to a User in a form suitable for User consumption (e.g., voice, text, graphic display, video, or a combination thereof).
- Mixing The Rendering of one or more Media streams. For example, the
- Media stream from two Participants of a Conversation may be Mixed when Rendered, creating a User experience similar to a conversation where multiple people are speaking at the same time.
- Encoding The process of translating Media either created by a User (such as voice or video) or otherwise originating on a Device (such as GPS or other sensor data), and converting the media into digital data to be processed by a Client.
- a User such as voice or video
- a Device such as GPS or other sensor data
- Adaptive Jitter Buffer Jitter buffers or de-jitter buffers are used to counter jitter (i.e., either the arrival of out of sequence packets or the delayed arrival of packets) introduced by packet switched networks, so that the continuous rendering of audio (or video) signals transmitted over a network can be performed without disruption.
- the data is stored in a buffer before Rendering to allow a reasonably sized buffer of Media to arrive.
- the Media may be rendered before all the Packets are received, trading off quality for currency.
- An Adaptive Jitter Buffer is capable of dynamically changing its size to optimize the delay/quality tradeoff.
- PIMB Persistent Infinite Message Buffer
- the PIMB is a storage management system for the storage of time-based Media that performs both the de- jittering of "live" data and the storage and retrieval of archive data.
- the PIMB further includes the additional attributes of potentially infinite and persistence storage of Media.
- the PIMB maintains "exact” or full copies of Vox Packets of a Message and Conversations at some or all Participant Devices and/or Servers.
- PLC Packet Loss Compensation or Concealment
- Missing Packets may be rendered as silence, or information from adjacent Packets may be used to present an interpolated sound or image.
- the particular method to be used will be dependent on the media, Codecs in use, and other generally known parameters.
- Contact A record of either a User or non-user of the system. Users typically engage in Conversations with members on their list of Contacts. A non-user is a user that accesses or uses the system using a legacy phone, radio or other non-Client 12 enabled device.
- Group The association of multiple Contacts. Contacts may be selectively added or deleted from a Group. When a Conversation takes place among a Group, all the members of the Group may or may not participate.
- Channel Typically used for tactical communication systems. A Channel is similar to a Group in that it associates multiple Contacts with the Channel.
- Participant A person who is identified as a member of a Conversation. could be a User or a non-User participant. B.5. Conversation Management
- Time Shifting is the ability to play any Message at any time after it has been received as determined by the User-recipient.
- a User may Review a Message: (i) immediately on demand by Rendering immediately after the MTSD; or (ii) time-shifted in a mode of reviewing the Message upon the discretion of the User; (iii) from the archive for searching, reconstructions, etc. of old Conversations; (iv) after a delayed period of time to accommodate the Reviewing of other higher Priority Messages (or Conversations) that need to reviewed first; (v) and/or repeatedly if necessary for the Message to be reheard and understood.
- Time Shifting is the ability of a user to render a Message at any time after the system imposed MTSD.
- [0073] Reviewing Listening, viewing, reading or otherwise observing the Media content in Messages. Reviewing may take place in either a near synchronous real-time "live mode" or the time- shifted mode.
- Intention Either (i) a User-defined attribute capturing whether the User wants to Review the Messages of a Conversation either as soon as possible or Review the Messages in a time-shifted mode; (ii) implied by a User's behavior; or a combination of (i) and (ii). .
- Attention A user attribute capturing whether the User is Reviewing the Messages of a given Conversation at the moment.
- CTL Catch Up To Live
- the CTL feature may use any of a number of catch up techniques, such as the faster replay of Messages, the removal of gaps in the Media of the Messages, removal of hesitation particles, etc.
- the system seamlessly flows into the live Conversation. This is a very useful feature with conference calls, for example, in situations where a User needs to temporarily shift their attention away from the Conversation, but wishes to hear the entire Conversation upon their return.
- Catch Up Mode A user-configured or pre-configured mode that determines how the CTL process will catch-up (i.e., replay faster, remove silence, and hesitation particles, or a combination thereof).
- Jump To Live This feature allows a user to jump from their current position to the Head of a Conversation. A user will typically use the JTL feature when they do not want to Review all of the Messages between their current position in the Conversation and the Head. When the JTL feature is implemented, the user skips over any intervening Messages and starts Rendering the "live" Messages at the head of the Conversation.
- MCMS Participant Attributes A set of attributes, either defined by a User, interpreted by the system from the User's behaviors, assigned by an administrator, or a combination thereof, which define the Intention, Attention, Priority, and rendering preferences of a receiver for a given Conversation.
- the attributes include, but are not limited to: (i) the Intention of when a receiver would like to render to the Messages of the Conversation.
- Possible Intention values include: “now”, “time- shifted”, “Catch Up To Live” (CTL), “paused”, and “never”; (ii) Catch Up Mode, which is a configuration setting which determines how the CTL process should catch the receiver up to live (e.g., play faster, skip silence gaps or hesitations, or play at normal speed); (iii) Time Shift Delay (TSD), which defines how far the receiver's current position in the conversation is from the Head of the Conversation, and (iv) the Priority of the Message with regard to the receiver's other Conversations.
- CTL Catch Up To Live
- TDD Time Shift Delay
- the system 10 includes a plurality of Clients H 1 through 12 n , running on Devices O 1 through 13 n respectively.
- the Devices 13 communicate with one another over a communication services network 14, including one or more Servers 16.
- One or more networks 18i through 18 n is provided to couple the plurality of Devices O 1 through 13 n to the communication services network 14.
- the networks 18 may be the Public Switched Telephone Network (PSTN), a cellular network based on CDMA or GSM for example, the Internet, a tactical radio network, or any other communication network, or a combination thereof.
- PSTN Public Switched Telephone Network
- GSM Global System for Mobile communications
- the communication services network 14 is a network layer on top of or otherwise in communication with the various networks 18i through 18 n .
- the network layer 14 is either heterogeneous or homogeneous.
- Clients H 1 through 12 n communicate with one another and with Servers 16 over the networks 18i through 18 n and network 14 using individual message units referred to as "Vox packets", which are described in detail below.
- the Client 12 includes Multiple Conversation Management System (MCMS) application 20, a rendering and encoding module 21, and an MCMS applications database 22.
- the Client 12 further includes a Store and Stream (SAS) module 24 with a Persistent Infinite Message Buffer (PIMB) reader 26, a PIMB writer 28, PIMB database 30, a data and network quality (DNQS) store 32, and Media driver and encoder hardware 34.
- SAS Store and Stream
- PIMB Persistent Infinite Message Buffer
- DNS data and network quality
- the MCMS application 20 and the Store and Stream module 24 communicate with one another through message handling modules 25a and 25b respectively.
- the Client 12 further includes an authentication-encryption-security module 40 and a communication protocol module 44.
- the module 40 provides authentication, encryption and security services during the transmission and receipt of "Vox" packets to and from the Client 12.
- the communication protocol module 44 encapsulates Vox packets into the native packets used by the underlying network 18 connected to the Device 13 running the Client 12 when transmitting data and de-encapsulating Vox packets from the native packets when receiving data.
- multi-party end-to-end authentication, encryption and security is provided between Clients 12. Messages are authenticated, encrypted and secured across the networks 18i through 18 n and network 14, from a first sending Device 13 to second receiving Device 13. D.1.1.
- the MCMS Database 22 stores and manages the persistent meta data for a number of entities in the system 10, including Contacts and Participants, Conversations and Messages (live and stored), and default Priorities, and information regarding the Servers 16.
- the MCMS database 22 stores the moment-to-moment operational data of a User's Conversations, presence, and status, as well as that of all the Participants conversing with the User or on the User's Contact list.
- the database 22 keeps track of status information, such as what Messages of a Conversation a User has or has not Reviewed, Priorities, and Catch Up To Live status for each Conversation in which the Client 12 is a Participant, the presence and status of all Participants, and other network and other system management data.
- MCMS application 20 supports the different Voxing modes of engaging in conversations and/or managing multiple conversations using a variety of media and data types (voice, video, text, location, data, etc.). Users engage in Conversations by sending Messages to designated recipients using their Client 12 enabled Devices 13. Depending on preferences and Priorities, the recipient might Review the Message in real time, or they might simply be notified that the Message is ready for Reviewing. Users can transition from a series of back and forth Messages, which are Reviewed in a time-shifted (or voice messaging) mode or in a near synchronous, full duplex conversation (similar to standard "live” phone calls) and then back to voice messaging again.
- media and data types voice, video, text, location, data, etc.
- the MCMS application 20 allows a User to control their interactions with their most important Conversations in real-time without missing any Messages in other ongoing Conversations. For example, the MCMS application 20 notifies a User of urgent or high priority communications from a Conversation that they are not currently Reviewing. MCMS application 20 also enables all Messages from all Conversations to be stored for later retrieval so they can be reviewed at any time. [0085] In accordance with various embodiments, there are several different operational modes of the MCMS application 20, including MCMS-Consecutive (MCMS-C) and MCMS-Simultaneous (MCMS-S), which support the consecutive and simultaneous rendering of Messages respectively. Each of these embodiments is described in more detail below. Unless specifically specified, the term "MCMS" is intended to generally mean the MCMS application 20, which includes the aforementioned different modes.
- the MCMS application 20 is a multi-tiered architecture that includes a number of modules and services.
- the modules and services include the MCMS Database Module 20a, the SAS Services Module 20b, the Messaging and Signaling Services Module 20c, the User Interface Application Programming Interface (API) 2Od, the User Interface Module 2Oe, the Conversations/Messages Management Services 2Of, the Priorities Services 2Og, the Contacts Service 2Oh, the Presence/Status Services 2Oi, and the Messages/Signals Services 2Oj. D.l.2.1
- the MCMS Database Module 20a the SAS Services Module 20b, the Messaging and Signaling Services Module 20c, the User Interface Application Programming Interface (API) 2Od, the User Interface Module 2Oe, the Conversations/Messages Management Services 2Of, the Priorities Services 2Og, the Contacts Service 2Oh, the Presence/Status Services 2Oi, and the Messages/Signals Services 2Oj. D.l.2.1
- the MCMS database module 20a is a service module that manages all function calls necessary for the MCMS application 20 to access the MCMS database 22.
- the SAS Services module 20b includes a set of function calls that enable communication and coordination between the MCMS application 20 and the Store and Stream module 24, and which are passed back and forth through the message handling modules 25a and 25b respectively.
- the set of function calls enable both the MCMS application 20 and the Store and Stream module 24 to operate as necessary to implement the various Voxing functions when invoked by Users and/or as dictated by network conditions.
- Some of the functionality performed by the SAS Services module 20b includes maintaining and communicating the status of Message transmissions and Message acknowledgments, the instructions for rendering of Messages, and the status and presence of Users.
- D.l.2.3 The Messaging and Signaling Services Module
- the Messaging and Signaling Services module 20c runs on both Clients 12 and Servers 16 and enables communication between the Client 12 and the Servers 16 of the system 10. This communication, which includes messages, data and other signals, allows the Client 12 and the system 10 to track and administer communications, network status, Users, and User status.
- Types of messages and signals sent between the Message and Signaling Services modules 20c running on the Clients 12 and the Servers 16 include, for example, network availability of Users, tracking of Messages that the Server 16 has sent to the Client 12 (possibly including a "high water mark") to determine if an entire message or some portion of a message is missing, (e.g., a sequence number per Participant per Conversation created by the "generating" Client), whether a user is speaking or Reviewing Messages of a given Conversation, where a User is with respect to the Head of a Conversation, or when a Participant is no longer Reviewing a Conversation live.
- the User Interface API 2Od is a module that defines a set of function calls that define the programming interface between the User Interface module 2Oe and the underlying services of the MCMS application 20.
- the User Interface API 2Od supports general-purpose methods such as UI application support, and all function calls necessary for a User Interface to operate the MCMS Application 20.
- the User Interface API 2Od enables the Client 12 to support a wide variety of user interfaces and device types, such as Adobe Flash-based and/or Microsoft Windows applications, cellular or mobile phone devices, PSTN devices driven with tones, a voice user interface (VUI), and physical radio communication interfaces.
- the User Interface API module 2Od enables the design of both highly flexible and highly constrained user interfaces to support the functionality of the MCMS application 20.
- the MCMS User Interface module 2Oe supports the operation and functions of the audio and video user interface of the Client 12.
- the User Interface module 2Oe supports a host of user interactions and can be implemented with various interaction mediums, such as, an array of graphical user interface screens, an Audio/DTMF interface, or voice user interface on the Device 13, all of which enable a User to interface with the system 10.
- a partial list of User interactions that are supported include, for example, functions to: log-in; manage, join, and monitor Conversations; control Conversation rendering; manage Priorities; and requests to review archived Conversations. It should be noted that this list is exemplary and in no way should be construed as limiting the invention.
- the Conversation/Message management services 2Of is a module which defines a set of functions that manage the data structures and processes responsible for managing and retaining all information needed for the User to manage the receipt and Review of transmitted and received Media (e.g., voice or video content Messages) between the participants of a Conversation.
- the Messages are organized into Conversations.
- Media that is sent or received by the Device 13 running the application 12 is available for immediate Review while being received.
- the received Media is also recorded for Review in a time- shifted mode, Conversation management, and archival purposes.
- Messages or Conversations can be optionally marked for transience, specifying their desired retention requirements (e.g., some Messages will not be retained or stored beyond the requirements for immediate rendering).
- Media can be optionally marked for review in a time-shifted mode only and cannot be reviewed immediately upon receipt.
- the Conversation/Message management services 2Of further enables, for each current or ongoing Conversation of the User, the sending of Media to a receiving Client 12 at any time, and the receiving Client 12 seamlessly associates these Messages with the appropriate Conversation, regardless of the actions or inaction of the receiver.
- Conversations are essentially asynchronous. If two Users are actively engaged in a given Conversation and the User controlled delay between transmissions is minimal, the experience will be one of a synchronous full duplex conversation, as with current telephone or VoIP conversations. If either User delays their participation, for whatever reason, the Conversation drifts towards an asynchronous voice (or other Media) messaging experience.
- Conversations can be optionally Tagged as asynchronous Messages only or synchronous Messages only. In either of these cases, the Conversation cannot drift between the two modes, unless the Tag is reset. After the Tag is reset, the Conversation again may flow between near synchronous (i.e. live or real-time) and asynchronous (i.e., time-shifted or voice messaging) modes.
- the Conversation/Message management service 2Of processes the transmission and receipt of Messages in a progressive fashion.
- Media may be created while Messages are simultaneously encoded, stored and transmitted.
- the transmission of Messages may occur simultaneously with the generation of Media by the User (i.e., while speaking into their Device 13 or generating video).
- the receipt, storage, and Rendering of Messages also all occur progressively. Messages do not need to be completely received before they can be Rendered.
- the Rendering of Messages may occur at the same time Messages are being delivered, right up to the MTSD.
- the service 2Of is also capable of the simultaneous transmission of outgoing Messages and Rendering of incoming Messages.
- the progressive nature of the service 2Of allows a User to be engaged in a live Conversation while storing and streaming the media of the Conversation for later retrieval and review as well other functions described herein.
- the time-shifting of Messages by the Conversation/Message management services 2Of allows a User to "Catch Up To Live" on a Conversation if they missed earlier Messages or were involved in another Conversation.
- This time-shifting process eliminates the need for Users to broadcast a request to their entire Group or Channel to have Messages repeated. Older Messages may be replayed at any time at potentially higher speeds to save time. Users may easily skip forward and backward through their Messages and within individual Messages.
- the Reviewing process may be configured on a Message-Priority basis to potentially skip lower priority Messages.
- the Conversation/Message management service 2Of also identifies Messages by a specific Participant (speaker) and, by default, mixes Messages of a Conversation that were delivered at the same time (MCMS-S).
- a User could Review the transmissions of different Participant speakers of a Conversation separately.
- the Conversation/Message management module 2Of further allows Conversation sharing among Participants, who can be added to an active or archived Conversation.
- an added Participant to a Conversation is provided access to the Conversation and has the ability to retrieve the previous Messages of the Conversation for Review.
- the added Participant is provided access to the Messages of the Conversation only from the point where the new Participant joined, and not any previous Messages of the Conversation.
- the Conversation/Message management module 2Of is also responsible for managing the functions used to control all rendering tasks performed by the Store and Stream module 24. These tasks include rendering Media (i.e., voice, video, etc.) appropriately for the Device 13 running application 12.
- rendering tasks include, but are not limited to, the rendering of Mixed Messages (i.e., overlapping messages), as well as rendering according to user-defined criteria, such as playing faster, catching up to live, removing silence, removing hesitation particles, frequency shifting, and the ability to apply independent gain control to individual senders in a multi-party conversation.
- the Priority service 2Og is a module that defines a set of functions that manage the data structures and processes responsible for managing and retaining all information needed for a User to manage the Priority of the consecutive Conversations (i.e., MCMS-C) in which the User is engaged.
- MCMS-C Priority of the consecutive Conversations
- the User is required to prioritize the Conversations. Issues arise when Messages of different Conversations are ready to be rendered at the same time.
- An algorithm is used to determine the order in which the Messages are rendered that considers the availability of Messages to be rendered and the Priorities set by the User.
- the algorithm determines that the available Messages with the highest priority are rendered first while any concurrently available Messages are time shifted automatically just enough to allow for the rendering of the higher priority Message. As rendering time becomes available, the system will automatically render the time- shifted messages according to the User's Priorities. D.l.2.8 Contacts Services
- the Contacts services 2Oh is a module that defines a set of functions that manage the data structures and processes responsible for managing and retaining all information needed for authenticating and associating one or more Contacts with Conversations.
- the Contacts services 2Oh When sending a Message as part of a Conversation that is associated with a number of Contacts, all of the Contacts receive the Message.
- the Presence/Status services 2Oi is a module that defines a set of functions that maintain the data structures and processes responsible for managing and sharing presence and status information between certain Users and/or non-users of the system.
- the presence and status information is maintained for all User and non-users engaged in the Conversations the User of the Client 12 is engaged in, all Users and non-users in the Contacts list, or Users within a predefined domain (e.g., the members of a corporation or other organization).
- a predefined domain e.g., the members of a corporation or other organization.
- the Presence/Status service 2Oi enables Users to monitor the status of other User's Intentions, Attention, and their Time Shift delay on any given Conversation (i.e., how far back they are from Reviewing the Messages of the Conversation live).
- privacy controls are provided concerning availability of Presence and Status data.
- the Presence/Status module 2Oi further controls the data that enables the system 10 to deliver Messages that match the behavior and Intentions of Users. For example, a User may indicate their Status by designating an Intention to either Review or not Review a Conversation live.
- the Presence/Status services 2Oi issues commands that cause the rendering of Messages either "live” or time-shifted, in accordance with the Intention of the User.
- the Intentions of Users are shared with the other Participants of the Conversation.
- the service 2Oi is also capable of inferring other Status values from the User's behaviors.
- the Presence and Status information is also used to optimize network traffic and bandwidth, as described in more detail below.
- the Messages/Signals services 2Oj is a module that defines a set of functions that manage the data structures and processes responsible for messaging and signaling Users of the system 10, using special messages or audible tones.
- the special messages or tones may include for example an indication if a Message or Messages are live or time-shifted, whom the Message(s) are from, Priority, and other factors.
- the Message/Signal service 2Oj further has the ability to (i) signal the presence or absence of Users on the network, as well as the ability to notify if one or more Users are no longer actively Reviewing the Messages of a Conversation; (ii) "ring" or otherwise notify another User to get their attention when they are paying attention to another Conversation or not paying attention to their Device 13 at all; (iii) leave a Message for Users currently not on the network 18 to immediately review the Message the next time the individual re-connects to the network 18; (iv) generate an audible or visible feedback that alerts the sender that a sent Message was not received by recipient(s), generate a confirmation when the Message has been received by the recipient(s), and/or a confirmation indicating when the Message has been Listened to by the recipient(s); and (v) implement a Priority scheme where individuals on a Conference or tactical call may be notified that their attention is immediately needed on the call. This indication may convey multiple levels of urgency and an acknowledgement of some kind by the
- the rendering and encoding module 21 is responsible for performing all rendering tasks for the MCMS application 20. These tasks include rendering Media appropriately for the device 13 running application 12. D.2 The Store and Stream Module
- the Store and Stream module 24 supports a number of functions and performance attributes, which are described below.
- the Store and Stream module 24 maintains connectivity with all target recipients (e.g., Servers 16 or other Devices 13) on the underlying network 18, manages all message, signal, and media transmissions, and optimizes the delivery speed and bandwidth usage across the network 18 to meet a User's immediate performance requirements, while managing network quality and capacity.
- the module 24 adapts and optimizes Media delivery commensurate with the quality and capacity of the underlying network 18.
- the quality of the transmitted Media streams can be degraded.
- bandwidth becomes available the quality of the transmitted Media streams may be increased.
- the Store and Stream functionality can make tradeoffs in the amount of Media transmitted in each packet based on Users' intentions to render data in real time as described below.
- the Store and Stream module 24 further persistently stores all Media created by or otherwise originating using a Device 13 or received over the network 18 from other Device 13 and/or users. There are several significant advantages of storing this Media on the Device 13 running the Client 12: (i) it enables Users to leave a Message for another party, even when the sender and/or the recipient has either unavailable or poor network connectivity.
- the PIMB writer 28 writes data to the PIMB 30 for two basic purposes.
- the PIMB writer 28 writes data from a Media capturing device (e.g., a microphone or camera) on the Device 13 running the Client 12 ("Encode Receive”).
- the PEVIB writer 28 also writes data received over the network 18 from other Clients 12 into the PIMB 30 ("Net Receive”).
- the PEVIB reader 26 reads data from the PIMB 30 for two basic purposes.
- the PIMB reader 26 accesses the PDVIB 30 when data is to be rendered (“Render”) for the local Client 12.
- Data is also read from the PDVIB 30 when data is to be transmitted (“Transmit”) by the Client 12 over the network 18.
- the Data Prioritizer 26f prioritizes the Messages for transmission over the network 18. Priority is determined using the MCMS Participant Attributes related to payloads available for transmission, network connectivity and bandwidth conditions, and the Intentions of Users beyond the next hop to either Render live or time-shifted, and, in some embodiments, possible optimizations of transmission bundling where multiple packets to any given next network hop are available.
- the prioritized packets are then optimized, using the PQM 26g, which assures the timely delivery of "good enough" data quality for live Messages, while minimizing real-time bandwidth, as described in more detail below.
- the Data Retriever 26h retrieves the appropriate payloads from the PIMB 30.
- the management of MTU is the determination of the Maximum Transmission Unit (i.e., the maximum size of a single message) that may be sent across a network.
- the underlying network imposes the MTU.
- the MTU may be a tunable parameter for network efficiency and performance.
- the underlying network imposes or determines the maximum size of the Vox packet 95 that may be transmitted efficiently.
- packets may be fragmented if the payload exceeds the MTU, but at a substantial performance penalty.
- IP over Ethernet networks the transmitting device has an MTU of 1518 bytes, as enforced by Ethernet. The largest IP packet must leave room for the Ethernet headers.
- a transmission is considered time- sensitive if either (i) the Intention of the recipient(s) is to Review the transmission "live” or in the near real-time mode, or (ii) the recipient would like to immediately Review a Message that for some reason is not currently stored on their Device 13 (e.g., the Message was previously stored in the archive 89).
- the Intention of the recipient can be either inferred by the behavior of the recipient or the recipient may set or otherwise designate their Intention.
- a transmission is considered to be not time- sensitive if the Intention of the recipient is to Review the Message in the time-shifted mode.
- the Intention of the recipient to Review the transmission in either the live or time- shifted mode at least partially defines the "timeliness requirements" of the transmission.
- the PQM operates by sending data in a series of transmission loops for each sending and receiving pair.
- the transmission loops for each sending and receiving pair are independent. Any transmission on the network may affect the MABR of other sending-receiving pairs. Accordingly, the MABR is preferably continually computed for all recipients.
- an MABR is calculated for each interface for which a receipt report is received. If no traffic has been recently sent on the network, or no receipt reports have been received, the MABR may not reflect current network conditions. However, since receipt reports are generated continually by receivers while data is transmitted, the sender's MABR metrics will quickly converge to a more accurate value.
- a flow chart 52 illustrating the steps for calculating the AIBR for a transmission loop is illustrated.
- the Messages with Media by which we mean portions of the time indexed media that belongs to this Message
- a list of Messages with Media is then built 52 2 .
- the time- sensitivity or timeliness requirement of each Message is considered 52 4 . If a particular Message is not time- sensitive, then the IBR is set to the Maximum Efficiency Bit Rate (MEBR) 52s.
- MEBR Maximum Efficiency Bit Rate
- FIG. 9C a flow chart 54 illustrating the sequence for determining the rate of data to transmit between the sending and receiving pair per transmission loop is illustrated.
- the MABR (as calculated in Figure 9A) is compared to the AIBR (as determined in Figure 9B) for the next transmission.
- receipt information e.g., a packet sequence number, time stamp, and the network address of the next node in the network the packet is to be sent
- receipt information e.g., a packet sequence number, time stamp, and the network address of the next node in the network the packet is to be sent
- a receipt report is sent 58 7 , the DNQS 32 is updated 58 ⁇ and the Network Quality Manager (NQM) 28h is updated 58 9 .
- the retransmission requests defined in step 58 4 is therefore conditional based on time-sensitivity.
- the transmission request defined in step 58 6 is conditional on both time- sensitivity and quality.
- Media is considered missing if an out of sequence packet does not arrive after a predetermined threshold period of time 6O 3 . If the packet arrives before the threshold, then it is no longer considered missing. On the other hand if the packet does not arrive after the threshold is exceed, then it is deemed missing. With missing packets, a low priority request for retransmission is made 6O 4 and the time of the request is noted 6O 5 in the DNQS 32. This process is repeated until the missing packet is received. When the missing packet arrives and the corresponding Media is available in the PEVIB 30, the missing status of the Media is removed from the DNQS 32. The retransmission request defined in step 6O 4 is therefore conditional based on whether the Media is determined to be missing.
- the Device 13 includes a graphical user interface display 110, data entry buttons, keys, or keyboard 112, a microphone 114, and a transducer 116 for converting electrical signals into sound, such as a speaker.
- the display 110 may also accept input as a touch screen. Further, the display 110 and keyboard 112 may be combined using a touch screen interface.
- the Device 13 may be a variety of different communication tools, such as a desktop computer, laptop or other mobile computers, personal digital assistants, a programmable land-line or cellular phone, or programmable radios, or just about any other type of programmable communication device.
- the user interface preferably includes one or more of the following status indicators or flags: (i) battery indicator; (ii) connectivity indicator; (iii) clock; (iv) transmitter status; (v) transmission sync status; (vi) Reviewing status; (vii) Priority Messages needing attention; and (viii) missed Messages.
- the user interface also preferably includes, in addition to those listed immediately above, the following functions, flags and components to conduct and manage multiple Conversations: (i) a name/identifier for each Conversation; (ii) live/active or standing/inactive indicator; (iii) Review position, either at Head or Time shifted; (iv) Priority and other attributes; and (v) indicators of what portions of Conversations were missed.
- the aforementioned functions and features may be implemented in a variety of ways, for example using a touch-screen graphical user interface 110, or other input devices, such as the data entry buttons, keys, or keyboard 112, a mouse, by voice- activated commands, or a combination thereof.
- a touch-screen graphical user interface 110 or other input devices, such as the data entry buttons, keys, or keyboard 112, a mouse, by voice- activated commands, or a combination thereof.
- voice- activated commands or a combination thereof.
- Conversations consist of Messages maintained in their original context and sequence.
- a sent Message either belongs to an existing Conversation or begins a new Conversation.
- a typical Conversation includes a set of Messages that are organized around a defined subject matter, topic, time, Group or Channel.
- Conversations may involve a common Group of people such as the members of a club, a company may have a standing Conversation at a fixed time, such as a weekly sales meeting, or friends may have ad-hoc Conversations on various topics, such as making dinner plans.
- Each Conversation is defined by a set of attributes, including a name, a list of Participants, begin and end time, and state including at least pending, active, or terminated. Other Conversation states are possible in other embodiments.
- a User interacts with the MCMS application 20 on their Devices 13.
- the interface allows a User to organize Conversations by any of the various attributes.
- attributes include, but are not limited to, Priority, Status (states of participation in a Conversation).
- the values of Participant status include active, participation in more than one Conversation at a time, Reviewing a Conversation in a time-shifted mode, Catching Up To Live, passively participating (i.e., not actively Reviewing, but receiving high Priority Messages), standby, or ignoring a Conversation (i.e., declined to participate or record the Conversation).
- the recipient may have no or limited ability to set Priorities.
- a fire fighter may have no ability to lower the Priority of Messages from the fire chief.
- a sending-User has the ability to send urgent or highly important Messages.
- Tagging a Message as urgent or an emergency the Message is rendered as soon as possible at the recipient(s), overriding any Priority settings of the recipient. Any conflicts among multiple emergency messages are resolved based on a predetermined priority scheme.
- FIG. HA an organizational diagram 1100 grouping the major functions of the MCMS application 20 is illustrated.
- the major functions include account management 1102, conversation management 1104, aggregate conversation list management 1106, conversation participation 1108, call controls 1110, and contact management 1112.
- account management 1102 After registering and logging into the system 10, the User may navigate through the user interface of their Device 13 implementing the various management functions, described in detail below. In some embodiments, this functionality will provide a great deal of flexibility. In other embodiments, such as tactical or communication radios, the implementation of the user interface may be constrained with many of the user functionality and options preconfigured to meet the utility of the device.
- the discussion here is exemplary and is not intended to be an exhaustive explanation of the MCMS functionality, but rather is intended to provide just an overview of some of the MCMS attributes.
- a registered User may change certain settings and preferences.
- a User may change their email address, password, name, phone number, phone password, call-in number, default and/or User defined rendering speeds, Tags, gain or volume levels for Reviewing Messages, Catch Up to Live mode, etc.
- the MCMS application 20 responds by writing the updated preferences into the MCMS database 22.
- K.2 Conversation Management As illustrated in Figure HB, conversation management 1104 is a set of functions that allow a User to view their aggregate Conversation lists, create a new Conversation, update the details of a Conversation, delete a Conversation, and close a Conversation. Each of these functions are described below.
- the MCMS application 20 creates a new Conversation in the database 22, associating records for each Participant on the Contacts list.
- the MCMS application 20 also creates in the database 22 Participant records for each User on the Contact list, allowing the caller to receive the presence information of the others on the Contact list. If the Conversation is scheduled, the MCMS application 20 starts the Conversation at the designated time. Otherwise, the Conversation starts right away.
- Update Conversation Details 1104c The User may make changes to a Conversation through the user interface 110. For example, Participants may be added or removed. Any change in status of the participants is updated in the MCMS database 22.
- the aggregate conversation list management 1106 is a set of functions that allow a User to engage in multiple Conversations (i.e., the User's aggregate conversation list).
- the aggregate conversation list management functions allow a User, through the interface 110 on their device, to participate in one Conversation "live", while participating in other Conversations in a time-shifted mode.
- the Messages of the current Conversation may be rendered in either the "live” or time-shifted modes.
- the User may switch the current conversation among the aggregate conversation list from time-to-time.
- conversation participation 1108 is a set of functions that allow a User to start a Conversation, receive a notification to join a Conversation, obtain Conversation status information, and hang up on a Conversation.
- Start a Conversation 1108a After a Conversation has been created, either by the User through the interface 110 or the scheduler in the MCMS application, the status of each Participant is checked. If a Participant is offline, then an effort is made to contact that person.
- the MCMS application 20 updates the User's participant status for active Conversations in the database 22 and directs the Store and Stream module 24 to remove the User from the Conversation.
- conversation control 1110 is a set of functions that allow a User to control their participation in a Conversation. These functions allow a User to catch-up-to live, skip to the Head, jump to a past location, pause, play faster and play slower when Reviewing the Messages of a Conversation. Each of these functions is triggered by the User through the interface 110 on the Device 13. [0219] Catch-up-to-live 1110a - A User may Catch Up To Live in an ongoing Conversation using the "CTL" function.
- the MCMS application 20 checks the last point in the Conversation the User has reviewed and directs the Store and Stream module 24 to render the Messages not previously heard, using a faster than normal rendering option designated by the User, and to seamlessly transition to live mode when it reaches the head.
- Jump to Head 1110c This function enables a User to jump to the Head of a Conversation, skipping over any intervening Messages between the current point of the User in the Conversation and the Head.
- the MCMS application 20 instructs the Store and Stream module to immediately render the Messages at the Head of the Conversation. (If the Head of the Conversation is currently live this is called Jump to Live (JTL).
- Play slower 111Og - This function enables a User to render Messages more slowly.
- the Store and Stream module 24 renders the Messages at a slower rate than normal.
- the rendering rate may be either specified by the User or the User may select from a number of preset options.
- the system 10 provides the User with a host of functions for managing Contact lists and user Groups. These functions include the adding, editing, deleting Contacts and user Groups. Each of these functions are implemented by a User though the interface of their Device 13. Any revisions or deletions in a User's Contact list or Group list is stored in the MCMS database 22.
- Add a Contact 1112a - This function enables a User to add a new Contact to their contact list.
- the new Contact can be either a registered User or an external contact.
- the name, phone number(s), type of number (cell, office, home, computer, etc.), email address and other personal information are provided for each contact record.
- Edit a Contact 1112b This function enables a User to edit or update an existing contact record.
- Delete a Contact 1112c This function enables a User to remove or delete an existing contact record.
- Search for a Contact 1112d - This function enables a User to search for a specific Contact in their contact list.
- the search may be conducted using a number of criteria, such as name, phone number, most recently called, most frequently called, Group, etc.
- Get a Participant list 1112e - This function enables a User to search and retrieve a list of Participants of a Conversation by a number of different search criteria, including for example by name, most recent outgoing calls, most recent incoming calls, most frequently called, etc.
- Authorize a caller to review status 1112f This function enables a first User to authorize other Users to view the first User's status. Non-authorized Users may not view the status of the first User.
- Create a Group of Contacts 1112g - This function enables a User to associate a number of Contacts into a Group. When a User defines a Group, the list of Contacts in that Group are stored in the MCMS database 22.
- L. MCMS Operation L.I MCMS-C L.I MCMS-C
- the MCMS-C operation is similar to MCMS, with the added feature of enabling Users to manage and participate in multiple conversations consecutively through a hierarchical system of Priorities and the time-shifting of Messages, which are automatically managed by the system.
- Implementing the MCMS- C functionality includes three basic processes. As illustrated in Figure 12A, the first process involves defining a set of Conversations for consecutive rendering. Once the list is defined, a hierarchical set of Priorities and other factors are applied to the indexed media payloads associated with the set of Conversations. The indexed media payloads are then sequenced into a sequencing order.
- the Messages of the set of Conversations are consecutively rendered.
- the User's aggregate list of Conversations is defined.
- Either the User or pre-configuration data is next used to select the Conversations among the aggregate list for consecutive rendering (step 1206).
- typically pre-configuration data is used to impose the Conversations to be consecutively rendered.
- the User is typically given a higher degree of flexibility to select the Conversations for consecutive rendering.
- a flow chart illustrating the steps for defining hierarchical set of priorities for rendering the Messages of consecutive Conversations is illustrated.
- a set of priority rules are defined and applied to the list of Conversations to be rendered consecutively (1206).
- the set of priority rules may range from a rigid, hierarchical communication protocol to a highly flexible communication protocol.
- the set of priority rules will preferably impose a specific order in which concurrent Messages are rendered. For example with a first-responder tactical system, Messages from a fire chief may be given the highest priority. The next level of priority may be given to fire fighters inside a burning building.
- priority may be given to fire fighters outside the building, etc.
- a rigid priority By defining a rigid priority, the current Messages of those supervising the efforts to fight the fire, or those in harms way, are rendered ahead of those performing a less critical role.
- a sales executive may for example define a priority scheme listing consecutive Conversations with clients from the most important to the least important. Or a User may prioritize consecutive Messages among family and friends. Regardless of the scheme used, a priority list for consecutive Conversations is defined (step 1210) in this process.
- the sequencing order is based either partly or fully on the priority hierarchy.
- other parameters in addition to the hierarchy and availability may be considered as well.
- the sequence order may be defined using one or more parameters such as the switching costs associated with interrupting a currently rendered stream of indexed media payloads with the indexed media payloads of a higher priority Conversation, the quality of the available streams of indexed media payloads, the relative time the indexed media payloads were received, a shuffling order, or from input of a controller of the system.
- the indexed media payloads first in sequence order are rendered while the rendering of other available indexed media payloads are paused or delayed. When there no conflicts, indexed media payloads are immediately rendered as they become available.
- a User of a Client 12 enabled Device 13 may define a set of Conversations for simultaneous rendering. Once the set of Conversations is defined, the indexed media payload streams associated with the set of Conversations are simultaneously rendered on the Device 13, regardless if they overlap or not. In alternative embodiments, the User may optionally render the received indexed media payloads from the set of media streams separately. The indexed media payloads of the simultaneous Conversations may also be optionally rendered in near real-time or in the time-shifted mode.
- FIG. 13A through 13D a series of diagrams illustrating the attributes of a Conversation and the operation of MCMS, MCMS-C and MSMS-S is illustrated.
- Figure 13 A a time diagram illustrating the sequence of rendering the indexed media payloads of the Messages of a Conversation labeled "A" between a User "X" and two other users, designated "Y" and "Z".
- Media is generated by user Y during the time intervals designated by tl, t5, 56, t7 and t9.
- Media is generated by user Z during the time intervals designated t3, t6 and t9 through tlO.
- FIG. 13A The diagram of Figure 13A is useful in illustrating the attributes of Conversations.
- one user is generating Media (either Y or Z)
- that Media is received at the Device 13 of X and is available for rendering.
- both users X and Y are generating Media
- both Media streams are received at Device 13 of X and is available for Mixing.
- neither user X or Y is generating Media
- no Media is received at Device 13 of X.
- User X has the option of Reviewing the Media generated during Conversation A in either the near real-time or time- shifted modes.
- the User X has the option of Reviewing the Media in the Mixed format as illustrated, or to separately Reviewing the Media from Y and Z in the time- shifted mode.
- FIG. 13B illustrates the operation of MCMS.
- the User is Participating in three Conversations, designated A, B and C.
- the User For Conversations A, B, and C, the User either generates or receives Messages designated (Al, A2, A3, and A4), (Bl, B2 and B3) and (Cland C2) respectively.
- the timing and duration of each Message is indicated by the starting point along the time-line. It is useful to note that in this example, all of the Messages overlap in time to some degree, except Message B2.
- the User selects one Conversation as current.
- the User may Review incoming Messages and generate Messages which are transmitted to the other Participants of the Conversation.
- the User selects in order Conversation B, C and A as current respectively.
- the Message sequence is therefore initially Bl, B2, and B3, followed by Cl and C2, and then finally Al through A4.
- the User may transition between the near real-time and the time- shifted modes and back again.
- the final rendering as illustrated in the diagram is not intended to correspond in timing of the received Messages as illustrated in the top portion of the diagram.
- FIG. 13B a diagram illustrating the operation of MCMS-C is illustrated.
- the User is Participating in two consecutive Conversations, A and B.
- Conversation A three Messages are received Al, A2, and A3.
- Conversation B three Messages are received Bl, B2 and B3. It is useful to note that with this example, Message Bl conflicts with Messages Al. Also Conversation A has a higher priority that Conversation B.
- FIG. 13D a diagram illustrating MCMS-S is illustrated.
- a User is engaged in three simultaneous Conversations, A, B and C.
- the Messages Al, A2 and A3, Bl, B2 and B3, and Cl and C2 are received for each Conversation A, B and C are shown in the diagram respectively.
- the incoming Messages are rendered at a recipients Device 13 as they are received.
- the rendering sequence of the Messages of the three Conversations A, B and C, as illustrated in the lower portion of the diagram are therefore the same as when the Messages were received. In this manner, multiple Conversations may be simultaneously rendered.
- the Conversations are defined by a threaded sequence or organization of Messages.
- the Messages are segmented from a stream of Media, with each Message given a sequence identifier and indexed by the time the Media was created.
- Messages can be rendered in accordance with one or more rendering options.
- the rendering options include, in one form or another, the filtering, grouping overlapping and/or serialization of Messages, using anywhere from zero to a plurality of different attributes.
- each of the variations of MCMS may handle the receipt of interrupt Messages in the same way.
- an interrupt Message When an interrupt Message is received, it typically takes precedent over and is rendered before other Messages belonging to other Conversations.
- FIG. 14A a block diagram 140 illustrating the hardware of a Device 13 used for storing and executing the Client application 12 is shown.
- the hardware includes a CPU 142, main memory 144 and mass storage 146.
- the Client application 12 is loaded and stored in main memoryl44 and mass storage 146 and executed by the CPU 142.
- FIG. 14B a block diagram 150 illustrating the hardware of a Server 16 used for storing and executing the server application 78 is shown.
- the hardware includes a CPU 152, main memory 154, mass storage 156, and the archive 89.
- the server application 78 is loaded and stored in main memory 154 and mass storage 156 and executed by the CPU 152.
- indexed media payloads of one or more Users are stored in the archive 89.
Abstract
Description
Claims
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