WO2006075590A1 - デジタル放送におけるコンテンツ検出装置 - Google Patents
デジタル放送におけるコンテンツ検出装置 Download PDFInfo
- Publication number
- WO2006075590A1 WO2006075590A1 PCT/JP2006/300175 JP2006300175W WO2006075590A1 WO 2006075590 A1 WO2006075590 A1 WO 2006075590A1 JP 2006300175 W JP2006300175 W JP 2006300175W WO 2006075590 A1 WO2006075590 A1 WO 2006075590A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- information
- data
- detection
- commercial
- broadcast
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/02—Marketing; Price estimation or determination; Fundraising
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/02—Marketing; Price estimation or determination; Fundraising
- G06Q30/0241—Advertisements
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/02—Marketing; Price estimation or determination; Fundraising
- G06Q30/0241—Advertisements
- G06Q30/0242—Determining effectiveness of advertisements
- G06Q30/0244—Optimization
-
- 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
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
-
- 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
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream
-
- 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
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/458—Scheduling content for creating a personalised stream, e.g. by combining a locally stored advertisement with an incoming stream; Updating operations, e.g. for OS modules ; time-related management operations
-
- 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
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/458—Scheduling content for creating a personalised stream, e.g. by combining a locally stored advertisement with an incoming stream; Updating operations, e.g. for OS modules ; time-related management operations
- H04N21/4583—Automatically resolving scheduling conflicts, e.g. when a recording by reservation has been programmed for two programs in the same time slot
-
- 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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/812—Monomedia components thereof involving advertisement data
-
- 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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/8126—Monomedia components thereof involving additional data, e.g. news, sports, stocks, weather forecasts
-
- 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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/84—Generation or processing of descriptive data, e.g. content descriptors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
- H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
Definitions
- the present invention relates to a content detection device in digital broadcasting, and more particularly to a commercial detection device.
- Japanese Patent Laid-Open No. 5-250762 discloses the following.
- the audio used in commercials is stereo.
- mono or multiplexed bilingual languages may be used.
- commercials are detected by detecting this difference in voice.
- Japanese Unexamined Patent Application Publication No. 2003-47031 discloses the following.
- a commercial is detected by detecting a sound silence state when switching to a commercial with a program.
- Japanese Patent Laid-Open No. 2003-47031 further discloses a method for detecting a commercial by detecting an interval in which a silent state between a program and a commercial is generated, and detecting a commercial.
- Japanese Patent Laid-Open No. 11-136634 discloses the following.
- a signal converted into a movie power television signal that is, a signal power of a telecine video is determined. This distinguishes commercials created with normal television signals from programs.
- a receiver for receiving and decoding a digital broadcast signal of the present invention or a content detection device for a recording apparatus for recording the digital broadcast signal is configured as follows, Make.
- the program-related information acquisition unit includes program identification information, which is information for decoding a digital broadcast signal, and information for creating an electronic program guide, which is included in a multiplex stream that is a digital broadcast signal. Get guide information, multi-stream power.
- the memory stores program specifying information and electronic program guide information acquired by the program related information acquiring unit.
- the detection unit is included in the digital transmission / reception signal based on the program specific information read from the memory and the information about the presence or absence of deviation between the character broadcast and the data broadcast of the electronic program guide information.
- the commercial is detected, and detection information indicating the commercial detection is output and stored in the memory.
- the discriminating unit reads the detection information from the memory, discriminates the detection of the commercial, and outputs a signal for discriminating the program from the commercial.
- the detection unit indicates that the information in the program identification information read from the memory and the information in the electronic program guide information indicate contents that conflict with each other regarding the presence or absence of subtitle broadcasting or data broadcasting.
- the detection unit stores detection information indicating commercial detection in the memory.
- FIG. 1 is a functional block diagram showing a configuration of a digital broadcast receiver including a content detection device according to an embodiment of the present invention.
- FIG. 2 is a functional block diagram showing the configuration of the content detection apparatus in the embodiment of the present invention.
- FIG. 3 is a flowchart for explaining a timer operation in the embodiment of the present invention.
- EPGZAMX Discriminator Electronic Program Guide Z Audio Multiplex Signal Discriminator
- FIG. 1 is a functional block diagram showing a configuration of a digital television (digital TV) broadcast receiver including the content detection device of this embodiment.
- a CPU 164 controls each part of the entire receiver.
- the received digital broadcast signal is input to the digital broadcast signal input 110.
- Tuner 150 selects the channel of the input signal based on the control data indicating the selected channel from CPU 164.
- the digital TV broadcast signal of the selected channel is input to the demodulation unit 152.
- Demodulation section 152 digitally demodulates the received signal and outputs a multiplexed data stream (transport stream (TS)) as digital data including the selected channel.
- transport stream transport stream
- the demultiplexing unit 154 separates the packet of the selected channel from the input TS according to the MPEG2 (Moving Picture Expert Group2) standard, and uses the video data, audio data, and data broadcasting of the channel. Separate each data stream and output each data stream.
- TS includes program specific information (Program Specific Information (PSI)), time information, and the like, which are information for decoding a digital broadcast signal.
- PSI Program Specific Information
- the demultiplexing unit 154 extracts these pieces of information and sends them to the CPU 164 as control information.
- the CPU 164 sends control data for controlling the separation to the demultiplexing unit 154.
- the TS includes program arrangement information (Service Information (SI))! SI includes information such as service channel names, individual program titles and start / end times, durations, contents and progress.
- SI Service Information
- EPG electronic program guide
- the demultiplexing unit 154 also separates PSI and SI packets from the TS.
- the video decoding unit 156 decodes the video data of the video stream separated by the demultiplexing unit 154, and outputs a video signal to the video output 114.
- the audio decoding unit 158 decodes the encoded audio data of the audio data stream, and outputs the decoded audio signal to the audio output 112.
- the voice decoding unit 158 operates based on control data having a CPU 164 power.
- the voice decoding unit 158 identifies data such as a header in the voice data and causes the CPU 164 to send data indicating information such as a voice format.
- the data decoding unit 160 processes the data of the data broadcast data stream 120 to form a data broadcast display screen, and generates the display screen data 128 indicating the display screen. Output to 2. In addition, the data decoding unit 160 processes the input SI data, configures an EPG display screen, and outputs EPG display screen data 130 indicating the EPG display screen to the combining unit 162.
- combining unit 162 Based on the control data from CPU 164, combining unit 162 combines or selects a video signal, a data broadcast display screen, and an EPG display screen.
- the CPU 164 receives the tuner 150, the demodulation unit 152, the demultiplexing unit 154, the video decoding unit 156, the audio decoding unit 158, the data decoding unit 160, and the combining unit 1 via the bus line 166.
- Content detection apparatus 200 in the embodiment of the present invention is coupled to demultiplexing section 154, audio decoding section 158, and data decoding section 160.
- the content detection apparatus 200 may be controlled by being coupled to the CP U164. Further, the content detection apparatus 200 may exchange information for the operation with the control CPU 164. Further, it may be controlled by another CPU (not shown).
- FIG. 2 is a functional block diagram illustrating the operation of content detection apparatus 200 in the embodiment of the present invention.
- the program related information acquisition unit 201 is coupled to the TS data line of the demultiplexing unit 154 via the data line 124 and is used to decode the digital broadcast signal.
- PSI PSI
- SI Service Information
- the program related information obtaining unit 201 may obtain the PSI and SI separated by the demultiplexing unit 154 via the data line 124.
- the data broadcast information acquisition unit 210 is a download information indication (Download Information Indication) that is information indicating the configuration of data constituting the data broadcast from the data stream 120 for data broadcasting separated by the demultiplexing unit 154. (DII)) and a download data block (Download Data Block (DDB)) which is information including data constituting the data broadcast.
- DII and DBB are included in the data stream for data transmission, and DII is periodically inserted into a plurality of DDB block streams constituting the data carousel.
- the memory 203 stores the data acquired by the data broadcast information acquisition unit 210 and the program related information acquisition unit 201.
- the detection unit 206 is one of the data stored in the memory 203, the audio multiplex related data 118 input from the audio decoding unit 158, the data related information 122 input from the data decoding unit 160, or their data Based on the combination, it detects specific content, especially commercials, contained in digital broadcast signals.
- the detection unit 206 stores detection information indicating the detection of the commercial in the memory 203.
- EPG Z audio multiplexed signal (A MX) discriminating unit 204 is coupled to memory 203. Further, the EPGZAMX discrimination unit 204 receives the audio multiplexing related data 118 from the audio decoding unit 158. The EPGZAMX determining unit 204 determines that the commercial is decoded based on the PSI information stored in the audio multiplexing related data 118 and the memory 203.
- the discriminating unit 207 reads the detection information stored in the memory 203, discriminates that a commercial has been detected, and outputs a discrimination signal 132 for discriminating between a program and a commercial to the discrimination signal output 212. .
- CPU 164 is coupled to data broadcast information acquisition unit 210, program-related information acquisition unit 201, memory 203, detection unit 206, EPGZAMX determination unit 204, and determination unit 207 via bus line 209. Control each part.
- the timer 208 is coupled to the determination unit 207 and controls the determination time of the determination unit 207.
- Each part of the detection device 200 may be controlled by another CPU (not shown). Furthermore, each part of the detection device 200 may have its own control function, or the entire operation may be realized by software!
- the demultiplexing unit 154, the audio decoding unit 158, the video decoding unit 156, the data decoding unit 160, the content detection device 200, and the other parts are combined into one large scale integrated circuit (LSI). )) Etc., it may be composed of one hardware block.
- LSI large scale integrated circuit
- the data broadcast information acquisition unit 210 acquires DDB and DII information of data broadcast data.
- DDB is a block of data for data broadcasting, which forms a data carousel and is transmitted periodically and repeatedly.
- the data broadcast information acquisition unit 210 acquires a return flag (returnto-entry-flag) in DII and other information related to the data carousel in synchronization with the low-power content switching of the entry component in the data carousel. Such information is stored in the memory 203.
- the return flag (returnto-entry-flag) in DII will be described later.
- the program related information acquisition unit 201 acquires the following information.
- Information such as event information table (Event Information Table (EIT)), selection information table (Selection Information Table (SIT)) included in SI, and program map table (Progr am Map Table (PMT)) included in PSI To be acquired.
- EIT is information about the program such as the program name, broadcast date and time, and broadcast content.
- PMT is information about video, audio, data, etc., which are components that make up one channel.
- SIT is information about TS services, events, and streams extracted from a TS that includes multiple channels.
- Tables such as PMT and EIT are transmitted including data such as descriptors.
- a descriptor describing information on subtitles and audio, and a descriptor included in EIT and PMT is particularly important information.
- Information to be acquired by the program-related information acquisition unit 201 is a descriptor such as monaural Z stereo such as a component descriptor, audio component descriptor, and data content descriptor included in the EIT, information on subtitles, etc. .
- Such information is acquired by the program-related information acquisition unit 201 and stored in the memory 203.
- the memory 203 may be a storage device inside the control CPU 164. Also memory 20
- Audio multiplexing related data 118 is data indicating the state of audio of audio multiplexed broadcasting identified by audio decoding section 158.
- the program related information obtaining unit 201 obtains SI, obtains information about the EPG, and stores the information in the memory 203.
- the EPGZAMX discriminating unit 204 reads, from the memory 203, information related to audio multiplexing among the acquired information related to EPG. Based on the read information, the EPGZAMX discrimination unit 204 discriminates whether the state of the audio at that time is monaural power stereo power or Nike language broadcast audio (or multilingual broadcast audio).
- the EPG / AM X discriminating unit 204 determines what is the sound information of the program. It is determined that commercials with different audio conditions are decoded at that time.
- the EPGZAMX determination unit 204 determines that the content being decoded is commercial, and a flag indicating that the commercial has been detected, for example, CMflag-A, is determined only during the determined period. As detection information, a predetermined address in the memory 203 is set.
- the detection unit 206 determines a commercial by acquiring a descriptor describing information related to data broadcasting from information such as SI EIT and PSI PMT.
- EPGs do not contain information about commercials. That is, SI often does not change depending on the presence or absence of commercials. On the other hand, PSI often contains information that changes depending on the presence or absence of commercials.
- the detection unit 206 detects a description indicating that a data broadcast exists in a program from the data broadcast descriptor that is an EIT descriptor of SI. It can be determined that a broadcasting service is provided. Further, when there is no description of data broadcasting in the descriptor related to data broadcasting in the PSI PMT, the detection unit 206 performs the copying. Judgment is in progress.
- the detection unit 206 Conversely, there is no description about data broadcasting in the SI EIT. If there is a description about data broadcasting in the PSI PMT, the detection unit 206 also broadcasts a data broadcasting service for commercial use. Judge that he will speak.
- the above-described detection unit 206 displays conflicting information regarding whether or not there is a difference between caption broadcasting and data broadcasting in each of the program identification information and the electronic program guide information read from the memory 203.
- the detection unit 206 stores detection information indicating commercial detection in the memory 203.
- the detection unit 206 determines that the commercial is broadcast during the above period, and a flag indicating that the commercial is detected only during that period, for example, CMflag-D, is stored in the memory 203 with a predetermined value. Stand on the address.
- the detection unit 206 indicates that the commercial is broadcast during that period. to decide.
- the detection unit 206 determines that the period is in the commercial state, and sets a flag indicating that the commercial is detected only during the period, for example, CMflag-D, to a predetermined address in the memory 203.
- the detection unit 206 stores information indicating detection of commercials in the memory 203 as follows. [0064] For each of program specific information, which is information for decoding the digital broadcast signal read from the memory 203, and electronic program guide information for creating an electronic program guide, subtitle broadcasting and data Detect conflicting information depending on whether the broadcast is! / Or not. At that time, the detection unit 206 stores detection information indicating the detection of the commercial in the memory 203.
- DII download information indication
- the detection unit 206 determines a period during which the above commercial can be determined to be broadcast as a period during which the commercial is broadcast, and a flag indicating that the commercial is detected, for example, CMflag— D is set at a predetermined address in the memory 203 for that period.
- the program-related information acquisition unit 201 acquires the descriptor related to the data broadcasting and stores it in the memory 203. Also, the program related information data broadcast information acquisition unit 210 acquires DII and stores it in the memory 203.
- the interlocking data is data for interlocking data broadcasting, and is supplementary data with contents that complement video and audio.
- a screen with some graphics display such as a menu screen is automatically displayed after starting up the receiver using linked data.
- Unlinked data is data for independent data broadcasting, and is often used for independent data broadcasting with contents independent of video and audio!
- an automatic start flag (auto-stat-flag) included in the PMT data encoding scheme descriptor activates the function of decoding the data broadcast of the receiver.
- auto—Start—f lag is “1”
- a TV broadcast channel is selected, and at the same time, a service based on linked data is started.
- Non-linked data is activated when the user selects data broadcasting.
- the broadcast station sets the auto-Start-flag to "1" to display the data contents of the screen when the receiver is started up (start-up) and the entire TV image as unlinked data. Data broadcasts that are displayed on are sent out.
- the screen at startup is called the “TOP screen”.
- a data broadcasting screen that displays TV content on the entire screen is called a “transparent data screen”.
- the screen when the receiver is started is a transparent data screen, and when the user presses the data start button, a menu screen or the like is presented.
- the data decoding unit 160 analyzes the content data (DDB) of the data broadcast and creates a data broadcast display screen. Therefore, the data decoding unit 160 recognizes the content of the data broadcast screen when analyzing the DDB data. That is, the data decoding unit 160 can recognize that the data in the DDB is “transparent screen data” and whether the data is linked data or non-linked data. Therefore, the data decryption unit 160 displays the TOP screen.
- DDB content data
- the data decoding unit 160 recognizes the content of the data broadcast screen when analyzing the DDB data. That is, the data decoding unit 160 can recognize that the data in the DDB is “transparent screen data” and whether the data is linked data or non-linked data. Therefore, the data decryption unit 160 displays the TOP screen.
- the detection unit 206 can detect that the screen has been switched from a non-linked transparent screen to a linked data screen.
- “transparent screen data” broadcasts commercials by switching from the state of non-linked data to linked data.
- the detection unit 206 can also determine whether the original data broadcast also has an unlinked data force-linked data force and the content power of the data content identifier of the EIT of the SI.
- the program information acquisition unit 201 acquires the data content identifier of the EIT and stores it at a predetermined address in the memory 203.
- the detection unit 206 recognizes that the data content of the TOP screen has been switched to the linked data, the detection unit 206 looks at the data content identifier of the EIT stored in the memory 203. At this time, if the EIT indicates that the data broadcast is not linked, the detection unit 206 determines that the commercial has started.
- the data decoding unit 160 can input the data related information 122 indicating that the DDB data is switched from the non-linked data to the linked data to the detecting unit 206. Accordingly, in this case as well, the detection unit 206 looks at the data content identifier of the EIT stored in the memory 203. At this time, if the EIT indicates that the original data broadcasting is linked, the detection unit 206 determines that the commercial has started.
- the detection unit 206 determines the end of the commercial when the information on whether the data broadcast is linked or not linked indicated by the EIT matches the content capability of the data broadcast.
- the memory 203 records the start and end of these commercials.
- data content is updated at the boundary between the commercial and the program.
- the return-to-entry-flag has a function to return to the start-up screen from any screen of data broadcasting when its value is “1”. Therefore, this function can be used to start and end commercials.
- Information on updating the data content is input from the data decryption unit 160 to the detection unit 206.
- the data broadcast information acquisition unit 210 stores data indicating that the DII return flag is set in the memory 203.
- the detection unit 206 is linked or not linked to the data update information, the information about the return flag (return-to-entry-flag), and the contents of the data broadcast described above. Combining with heel judgment, commercial detection can be performed more reliably.
- At least one of the information about the update information and the return flag (return-to-entry-flag) of the data content is used as a condition for determining at least one of the commercial start and the commercial end. You can pick one up!
- the detection unit 206 sets a flag CMflag-D indicating that a commercial is detected from a time point when the commercial start is detected until a time point when the commercial end is detected to a predetermined address in the memory. .
- the discriminating unit 207 can distinguish between a program and a commercial by viewing a flag indicating commercial detection such as CMflag-D stored in the memory 203.
- CMflag-A indicating commercial detection based on audio multiplexed signals and commercial detection based on information regarding data broadcasting and captions, detection based on information regarding contents of data broadcasting, or commercial detection based on switching of data broadcasting
- CMf 1 ag_D indicating each is a different flag. For example, if a commercial is detected, both flags are set to “1”, and if no commercial is detected, both flags are set to “0”.
- the discriminator 207 calculates the logical expression “A” AND “B” using logical product or “A” OR “B” using logical sum, and the result is “1”. It is determined that it is during a commercial period. This can change the commercial detection conditions. The Therefore, the accuracy and frequency of commercial detection can be changed. That is, when “A” AND “B” is used, commercial detection is performed more reliably. When “A” OR “B” is used, commercial detection is performed more frequently.
- the determination unit 207 may determine a commercial U based on a logical product or a logical sum of detection information indicating commercial detection and further information indicating commercial detection.
- the determination unit 207 uses the time information from the timer 208 to determine that the commercial has ended after a predetermined time from the commercial start.
- step S300 the determination unit 207 determines that the commercial starts.
- step S301 the determination unit 207 activates the timer 208.
- step S302 the determination unit 207 determines whether or not a predetermined time from the commercial start set by the timer 208 has elapsed. If the predetermined time has elapsed (Yes), the process proceeds to step S305, and the determination unit 207 determines that the commercial has ended. In step S302, if the predetermined time has not elapsed (No), the process proceeds to step 303.
- step 303 the determination unit 207 checks whether or not a flag indicating that a commercial is in progress is set in the memory 203. If the commercial 203 flag is not set in the memory 203 (Yes), the process proceeds to steps S304 and S305. If the commercial 203 flag is set in the memory 203 (No), the process returns to step S302 and the timer 208 continues to operate.
- step S304 the determination unit 207 stops the timer 208.
- step S305 the determination unit 207 determines that the commercial has ended, and outputs a signal 132 indicating the end of commercial to the output unit 212. Alternatively, the determination unit 207 stops outputting a signal indicating that the communi- cation is being performed.
- the predetermined time is set in the timer 208, it is determined that the commercial has automatically ended after the set predetermined time. For example, in the case of Japanese television broadcasting, many commercials with a duration of about 15 seconds or 30 seconds are broadcast. So set the timer time to 15 seconds or longer than 15 seconds and not longer than 30 seconds You can do it.
- the detection device 110 can force the receiver to recognize the commercial end even if the commercial end cannot be detected.
- the transport stream received from the receiver is a selection information table (selection information table) that is not included in the transport stream of the signal broadcast from the broadcast station. (SIT)). SIT is also generated by receivers such as EIT. The SIT contains information about services, streams, events or programs included in the received transport stream as well as receiver capabilities. SIT is information included in Program Sequence Information (SI), which is information for creating an electronic program guide.
- SI Program Sequence Information
- the information (1) is compared with the information (2), and the existence of one of the caption broadcasting and data broadcasting is confirmed. ! If there is conflicting information detected, it may be possible to determine that a commercial is being performed.
- the detection device of the present invention provides a useful function for a digital television broadcast receiver or a digital television signal recorder.
- a digital television broadcast receiver commercial detection is performed with high accuracy by this detection device.
- the digital TV signal recorder can use the detection signal from the detection device for commercial cut or for distinguishing between a program and a commercial as a menu and storing them on a recording medium.
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/813,042 US7802282B2 (en) | 2005-01-14 | 2006-01-11 | Detection of commercials in a digital broadcast |
CN2006800020598A CN101103629B (zh) | 2005-01-14 | 2006-01-11 | 数字广播中的内容检出装置 |
KR1020077015991A KR101096973B1 (ko) | 2005-01-14 | 2006-01-11 | 디지털 방송에서의 컨텐츠 검출 장치 |
EP06711524A EP1819166A1 (en) | 2005-01-14 | 2006-01-11 | Content detection device in digital broadcast |
JP2006552919A JP4518079B2 (ja) | 2005-01-14 | 2006-01-11 | デジタル放送におけるコンテンツ検出装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005-007382 | 2005-01-14 | ||
JP2005007382 | 2005-01-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006075590A1 true WO2006075590A1 (ja) | 2006-07-20 |
Family
ID=36677615
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/300175 WO2006075590A1 (ja) | 2005-01-14 | 2006-01-11 | デジタル放送におけるコンテンツ検出装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7802282B2 (ja) |
EP (1) | EP1819166A1 (ja) |
JP (1) | JP4518079B2 (ja) |
KR (1) | KR101096973B1 (ja) |
CN (1) | CN101103629B (ja) |
WO (1) | WO2006075590A1 (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009021762A (ja) * | 2007-07-11 | 2009-01-29 | Panasonic Corp | コマーシャル判別装置、方法及びプログラム |
JP2009188440A (ja) * | 2008-02-01 | 2009-08-20 | Mitsubishi Electric Corp | 録画再生装置 |
JP2009212792A (ja) * | 2008-03-04 | 2009-09-17 | Nec Corp | 広告情報提供システムおよび広告情報受信端末 |
JP2010062966A (ja) * | 2008-09-05 | 2010-03-18 | Honda Motor Co Ltd | デジタル放送受信装置 |
WO2012164864A1 (ja) * | 2011-06-01 | 2012-12-06 | パナソニック株式会社 | 映像処理装置、方法、プログラム、記録媒体及び集積回路 |
JP2013121046A (ja) * | 2011-12-07 | 2013-06-17 | Sony Corp | 受信装置、表示制御方法、放送システム、並びにコンピューター・プログラム |
JP2014239515A (ja) * | 2011-12-02 | 2014-12-18 | ソニー株式会社 | 情報処理装置、情報処理方法およびプログラム |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090262242A1 (en) * | 2008-04-22 | 2009-10-22 | Sony Corporation | System and method for display device operation synchronization |
US7996422B2 (en) | 2008-07-22 | 2011-08-09 | At&T Intellectual Property L.L.P. | System and method for adaptive media playback based on destination |
US8990848B2 (en) | 2008-07-22 | 2015-03-24 | At&T Intellectual Property I, L.P. | System and method for temporally adaptive media playback |
JP5249677B2 (ja) * | 2008-08-21 | 2013-07-31 | 株式会社バッファロー | 宣伝区間検出装置及び宣伝区間検出プログラム |
WO2010046971A1 (ja) * | 2008-10-21 | 2010-04-29 | 富士通株式会社 | データ伝送装置およびデータ受信装置 |
FR2940575B1 (fr) * | 2008-12-23 | 2013-03-01 | Sagem Comm | Procede de gestion de la detection de publicite dans un appareil electronique, par exemple un decodeur de television numerique. |
CN102292993B (zh) * | 2009-01-20 | 2015-05-13 | Lg电子株式会社 | 三维字幕显示方法以及用于实现该方法的三维显示装置 |
JP2011091699A (ja) * | 2009-10-23 | 2011-05-06 | Hosiden Corp | 携帯電話機及び着信報知システム |
CN103428524B (zh) | 2012-05-23 | 2017-04-26 | 华为终端有限公司 | 一种iptv服务器和录制内容的播放方法 |
EP3383056A1 (en) | 2017-03-30 | 2018-10-03 | Vestel Elektronik Sanayi ve Ticaret A.S. | Epg based on live user data |
CN111294643A (zh) * | 2020-01-21 | 2020-06-16 | 海信视像科技股份有限公司 | 在显示设备中显示音轨语言的方法及显示设备 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001333406A (ja) * | 2000-05-22 | 2001-11-30 | Mitsubishi Electric Corp | ディジタル放送受信装置 |
JP2002218377A (ja) * | 2001-01-15 | 2002-08-02 | Sony Corp | Cm記録再生装置及び記録再生方法、放送システム、並びに記憶媒体 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05250762A (ja) | 1992-03-06 | 1993-09-28 | Toshiba Corp | Cmスキップ装置 |
JPH11136634A (ja) * | 1997-10-31 | 1999-05-21 | Victor Co Of Japan Ltd | コマーシャル検出装置及びコマーシャル検出方法並びにコマーシャル検出プログラムの記録された記録媒体及びコマーシャルスキップ記録装置 |
CN1220375C (zh) * | 1999-09-20 | 2005-09-21 | 提维股份有限公司 | 电视影音广播数据流标签与解释的方法和装置 |
US6993245B1 (en) * | 1999-11-18 | 2006-01-31 | Vulcan Patents Llc | Iterative, maximally probable, batch-mode commercial detection for audiovisual content |
US6901207B1 (en) * | 2000-03-30 | 2005-05-31 | Lsi Logic Corporation | Audio/visual device for capturing, searching and/or displaying audio/visual material |
US20060064716A1 (en) * | 2000-07-24 | 2006-03-23 | Vivcom, Inc. | Techniques for navigating multiple video streams |
US20050193408A1 (en) * | 2000-07-24 | 2005-09-01 | Vivcom, Inc. | Generating, transporting, processing, storing and presenting segmentation information for audio-visual programs |
JP4697371B2 (ja) | 2001-08-03 | 2011-06-08 | 日本電気株式会社 | コマーシャル検出方法及び装置 |
-
2006
- 2006-01-11 JP JP2006552919A patent/JP4518079B2/ja not_active Expired - Fee Related
- 2006-01-11 CN CN2006800020598A patent/CN101103629B/zh not_active Expired - Fee Related
- 2006-01-11 WO PCT/JP2006/300175 patent/WO2006075590A1/ja active Application Filing
- 2006-01-11 KR KR1020077015991A patent/KR101096973B1/ko not_active IP Right Cessation
- 2006-01-11 EP EP06711524A patent/EP1819166A1/en not_active Withdrawn
- 2006-01-11 US US11/813,042 patent/US7802282B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001333406A (ja) * | 2000-05-22 | 2001-11-30 | Mitsubishi Electric Corp | ディジタル放送受信装置 |
JP2002218377A (ja) * | 2001-01-15 | 2002-08-02 | Sony Corp | Cm記録再生装置及び記録再生方法、放送システム、並びに記憶媒体 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009021762A (ja) * | 2007-07-11 | 2009-01-29 | Panasonic Corp | コマーシャル判別装置、方法及びプログラム |
JP2009188440A (ja) * | 2008-02-01 | 2009-08-20 | Mitsubishi Electric Corp | 録画再生装置 |
JP2009212792A (ja) * | 2008-03-04 | 2009-09-17 | Nec Corp | 広告情報提供システムおよび広告情報受信端末 |
JP2010062966A (ja) * | 2008-09-05 | 2010-03-18 | Honda Motor Co Ltd | デジタル放送受信装置 |
WO2012164864A1 (ja) * | 2011-06-01 | 2012-12-06 | パナソニック株式会社 | 映像処理装置、方法、プログラム、記録媒体及び集積回路 |
JPWO2012164864A1 (ja) * | 2011-06-01 | 2015-02-23 | パナソニック株式会社 | 映像処理装置、方法、プログラム、記録媒体及び集積回路 |
JP2014239515A (ja) * | 2011-12-02 | 2014-12-18 | ソニー株式会社 | 情報処理装置、情報処理方法およびプログラム |
JP2013121046A (ja) * | 2011-12-07 | 2013-06-17 | Sony Corp | 受信装置、表示制御方法、放送システム、並びにコンピューター・プログラム |
Also Published As
Publication number | Publication date |
---|---|
JPWO2006075590A1 (ja) | 2008-06-12 |
KR101096973B1 (ko) | 2011-12-20 |
EP1819166A1 (en) | 2007-08-15 |
US7802282B2 (en) | 2010-09-21 |
KR20070093105A (ko) | 2007-09-17 |
JP4518079B2 (ja) | 2010-08-04 |
CN101103629B (zh) | 2010-07-14 |
CN101103629A (zh) | 2008-01-09 |
US20100031291A1 (en) | 2010-02-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4518079B2 (ja) | デジタル放送におけるコンテンツ検出装置 | |
KR100546603B1 (ko) | 디지털 티브이 및 그의 채널 자동전환 방법 | |
KR101053595B1 (ko) | 디지털 방송 수신기 및 디지털 방송 신호 처리 방법 | |
US20070261074A1 (en) | Broadcast receiver and method for processing broadcast data | |
KR100664012B1 (ko) | 디지털 티브이의 출력언어 표시방법 | |
EP1447982A2 (en) | Method of controlling ETT information display on electronic program guide screen of digital television | |
US20130061279A1 (en) | Digital broadcast reception device and digital broadcast reception method | |
US8315384B2 (en) | Information processing apparatus, information processing method, and program | |
JP2006270299A (ja) | Cm検出装置およびcm検出方法 | |
EP2359589B1 (en) | Display device and method for providing data broadcasting thereof | |
KR20060015076A (ko) | 서브타이틀 크기를 가변하기 위한 데이터 구조 및 디지털방송 송/수신기 및 서브타이틀 송/수신 방법 | |
JP2003309779A (ja) | 画像処理装置 | |
KR20080054181A (ko) | 방송 수신 장치 및 방송 수신 방법 | |
JP5434259B2 (ja) | 情報処理装置および情報処理方法 | |
KR100782196B1 (ko) | 타임 시프트 기능을 가지는 영상표시기기 및 그 제어방법 | |
KR101025212B1 (ko) | 프로그램 가이드 제공시 선호 채널 팝업창 표시 시스템 및방법 | |
KR101539776B1 (ko) | 부가 타임스탬프를 이용한 방송 신호 녹화 및 재생 장치 및 방법 | |
JP2006050065A (ja) | 移動型地上デジタル放送受信機 | |
JP4431633B2 (ja) | 受信装置及び受信方法 | |
JP4431635B2 (ja) | 受信装置及び受信方法 | |
JP4379428B2 (ja) | 受信装置 | |
KR100216914B1 (ko) | 텔레비전의 방송프로그램정보 음성경보장치와 그 방법 | |
KR100614328B1 (ko) | 영상 표시 기기에서 방송 신호 녹화 방법 및 그 기기 | |
JP2009272779A (ja) | 放送受信装置、その制御方法 | |
JP2001333375A (ja) | 多重化放送信号記録装置及び多重化放送信号記録再生装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2006552919 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2006711524 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 11813042 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 200680002059.8 Country of ref document: CN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020077015991 Country of ref document: KR |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWP | Wipo information: published in national office |
Ref document number: 2006711524 Country of ref document: EP |