WO2007008841B1 - System and method for digital content retrieval - Google Patents
System and method for digital content retrievalInfo
- Publication number
- WO2007008841B1 WO2007008841B1 PCT/US2006/026801 US2006026801W WO2007008841B1 WO 2007008841 B1 WO2007008841 B1 WO 2007008841B1 US 2006026801 W US2006026801 W US 2006026801W WO 2007008841 B1 WO2007008841 B1 WO 2007008841B1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- content
- digital video
- video recorder
- storage device
- network
- Prior art date
Links
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25808—Management of client data
- H04N21/25833—Management of client data involving client hardware characteristics, e.g. manufacturer, processing or storage capabilities
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26208—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists the scheduling operation being performed under constraints
- H04N21/26216—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists the scheduling operation being performed under constraints involving the channel capacity, e.g. network bandwidth
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/26616—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel for merging a unicast channel into a multicast channel, e.g. in a VOD application, when a client served by unicast channel catches up a multicast channel to save bandwidth
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/4147—PVR [Personal Video Recorder]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/432—Content retrieval operation from a local storage medium, e.g. hard-disk
- H04N21/4325—Content retrieval operation from a local storage medium, e.g. hard-disk by playing back content from the storage medium
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/632—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing using a connection between clients on a wide area network, e.g. setting up a peer-to-peer communication via Internet for retrieving video segments from the hard-disk of other client devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/65—Transmission of management data between client and server
- H04N21/658—Transmission by the client directed to the server
- H04N21/6581—Reference data, e.g. a movie identifier for ordering a movie or a product identifier in a home shopping application
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
- H04N7/17309—Transmission or handling of upstream communications
- H04N7/17318—Direct or substantially direct transmission and handling of requests
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/78—Television signal recording using magnetic recording
- H04N5/781—Television signal recording using magnetic recording on disks or drums
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/78—Television signal recording using magnetic recording
- H04N5/782—Television signal recording using magnetic recording on tape
- H04N5/783—Adaptations for reproducing at a rate different from the recording rate
Abstract
Flexibility with respect to access and enjoyment of time shifted content in a content distribution network is provided, especially with regard to content not present on a DVR. A DVR accesses a network storage device over a network for particular portions of content not available on the DVR and the network storage device provides those missing portions. The user may then rewind and playback not only already locally stored content but also that content provided by the storage device. Content can be provided through faster-than-real-time transmissions such that the content is made available to the DVR prior to it being needed for rewind functionality or playback.
Claims
1. A system, for content retrieval comprising: a content source configured to trarsmit content over a content network, the transmission occurring in r sal-time; a server coupled to the content network and configured to receive the realtime transmission of content over the content network, the server being further coupled to a data network; a digital video recorder coupled tα the content network and the data network, the digital video recorder configured to receive and store a first portion of the real-time transmission of content over the content network, the digital video iecorder further configured to request from the server a second portion of the content transmitted over the content network, wherein the second portion of the content temporally precedes the first portion o-E the real-time content received and stored at the digital video recorder and wherein the second portion of the content is not presently stσ red at the digital video recorder, the transmission of the second portion of the content by the server to the digital video recorder occurring over the data network.
2. The system of claim 1, wherein transmission of the second portion of the content from the server to the digital video recorder over the data network is a faster-than- real-tirne transmission.
3. The system of claim 1, wherein the digital video recorder provides the server with client configuration information associate i with the digital video recorder, the client configuration information reflecting at leest one capability of the digital video recorder.
4. The system of claim 1, wherein the digital video recorder provides the server with client status information associated with the digital video recorder, the client status information indicating the amount of memory available at the digital video recorder for storage of the second portion of the content requested from the server by the digital video recorder. 48
5. A method for retrieval of content from a network storage device, comprising: rewinding content stored at a digi-al video recorder in response to a user initiated command; identifying that the digital video recorder is approaching a threshold indicator, the threshold indicator associated with the beginning of the content stored at the digital video recorder as a result of rewinding the content stored at the digital video recorder; requesting additional content from, a the network storage device in response to the threshold indicator, the additional content temporally preceding the content stored at the digital video recorder and wherein the additional content is not presently stored at the digital video recorder, the request occurring over a data network; receiving the additional content ai the digital video recorder from ihe network storage device in response to the request for additional content, the additional content having been transmitted from the network storage device to the digital video recorder over the data network; storing the additional content from the network storage device at the digital video recorder; and rewinding the additional content received from the network storage device once the digital video reco rder arrives at the beginning of the content initially stored at the digital video recorder.
6. (cancelled)
7. The method of claim 5, wherein the additional content is received over the data network in a faster-than-real-time transmission such that a total transmission time of the additional content is less than the real-time playback of the additional content.
8. The method of claim 5, wherein the network storage device is a server configured to store content from, one or more content sources. 49
9. The method of claim 8, wherein the network storage device is an other digital video recorder,, the other digital video recorder comprising a memory storing the additional content requested by the digital video recorder.
10. The method of claim 8, wherein the server inserts one or more advertisements into the additional content transmitted to the digital video recorder.
11. The method of claim 8, wherein, the server collects information about the digital video recorder requesting the additional content.
12. The method of claim 11, wherein the collected information is subsequently associated with an account of a user of the digital video recorder.
13. The method of claim 5, wherein the request for additional content comprises a start-time and an end-time of the additional content being requested from the network storage device.
14. The method of claim 5, wherein the request for additional content comprises client configuration information associated with the digital video recorder, the client configuration information reflecting at least one capability of the digital video recorder.
15. The method of claim 5, wherein the request for additional content comprises client status information associated with the digital video recorder, the client status information indicating the amount of memory available at the digital video recorder for storage of the requested additional content. 50
16. A method for retrieval of content from a network storage device, comprising: identifying a portion of content presently available in a memory of a digital video recorder; identifying a portion of content missing from the memory of tihe digital video recorder, wherein the content missing from the memory of the digital video recorder temporally precedes the content presently available in the memory of the digital video recorder; sending a request across a data ne±work to a network storage device for the missing portion of content, and receiving a f aster-than-real-time transmission of the missing portion of content from the network storage device, the transmission occurring over the data network.
17. The method of claim 16, further comprising: pre-pending the missing portion of content received from the network storage device with the po rtion of content presently available in the memory of the digital video recorder; and storing the pre-pended content in the memory of the digital video recorder.
18. (cancelled)
19. A digital video recorder, comprising: an input port configured to receive a first portion of content from a content source, receipt of the first p artion of content occurring in real-time; a storage device configured to store the first portion of content received from the content source; a controller device configured to manage access to at least the stored first portion of content receivedJrom the content source; a catch-up engine configured to re :juest a second portion of content from a server storing one or more portions of the content, wherein the second portion of the content temporally precedes the first portion of content received and stored at the digital video recorder and wherein the second portion of the content is not presently stored at the digital video recorder; and a data network interface configured to receive the second portion of content from the server.
20. The digital video recorder of claim 15, wherein the second portion of content received from the server is stored in the storage device.
21. The digital video recorder of claim 20, wherein the second portion of content received from the server is pre-pended with the stored first portion of content by the controller device.
22. The digital video recorder of claim 19, wherein the catch-up engine is further configured to provide information associated with the configuration of the digital video recorder to the server.
23. The digital video recorder of claim V), wherein the catch-up engine is further configured to provide information associated with the status of the digital video recorder to the server. 52
24. The digital video recorder of claim 19, further comprising an analog-to-digital converter configured to convert the first portion of content received from, the content source from an analog format to a digital format.
25. The digital video recorder of claim 19, further comprising a compression engine to compress the first portion of content received from the content source prior to its storage in the storage device.
26. The digital video record of claim 24, wherein the input port and the analog-to- digital converter are integrated.
27. A networked storage device, comprising: an input port configured to receive content from a content source, receipt of the content occurring in real-time; memory configured to store content received from the content source; a controller device configured to manage access to the content stored in the memory; an output port configured to transmit over a data network one or more portions of the content stor ϊd in the storage device to a digital video recorder requesting the one or more portions of content stored in the memory, wherein the one or more portions of requested content temporally precede a portion oi content already present at the requesting digital video recorder and wherein the one or more portions of requested content are not presently stored at the requesting digital video recorder.
28. The networked storage device of claim 27, wherein the one or more portions of content are transmitted in faster-than-reaLtime.
29. The networked storage device of claim.27, wherein a processor is configured to process configuration information reflecting at least one capability of the digital video recorder. 53
30. The network storage device of claim 27, wherein a processor is configured to process client status information associate i with the digital video recorder, the client status information indicating the amount of memory available at the digital video recorder for storage of the requested one or more portions of the content.
31. The networked storage device of claim 27, further comprising a network optimization engine configured to allocate bandwidth between the networked storage device and the digital video recorder requesting the one or more portions of the content stored by the storage device.
32. The networked storage device of claim 31, wherein the network optimization engine is further configured to cause the one or portions of content transmitted to the digital video recorder to be transmitted a~ one or more encoded bit rates.
33. The networked storage device of claim 31, wherein the network optimization engine is further configured to cause the one or more portions of content transmitted to the digital video recorder to be transmitted in one or more encoding formats.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06786830A EP1900221B1 (en) | 2005-07-07 | 2006-07-07 | System and method for digital content retrieval |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US69752505P | 2005-07-07 | 2005-07-07 | |
US60/697,525 | 2005-07-07 |
Publications (3)
Publication Number | Publication Date |
---|---|
WO2007008841A2 WO2007008841A2 (en) | 2007-01-18 |
WO2007008841A3 WO2007008841A3 (en) | 2007-10-11 |
WO2007008841B1 true WO2007008841B1 (en) | 2007-12-06 |
Family
ID=37637858
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2006/026801 WO2007008841A2 (en) | 2005-07-07 | 2006-07-07 | System and method for digital content retrieval |
Country Status (3)
Country | Link |
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US (2) | US8139924B2 (en) |
EP (2) | EP1900221B1 (en) |
WO (1) | WO2007008841A2 (en) |
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