WO2017220017A1 - Procédé et système de réception de source de signal - Google Patents

Procédé et système de réception de source de signal Download PDF

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Publication number
WO2017220017A1
WO2017220017A1 PCT/CN2017/089756 CN2017089756W WO2017220017A1 WO 2017220017 A1 WO2017220017 A1 WO 2017220017A1 CN 2017089756 W CN2017089756 W CN 2017089756W WO 2017220017 A1 WO2017220017 A1 WO 2017220017A1
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WIPO (PCT)
Prior art keywords
audio
video data
transport stream
real
stored
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2017/089756
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English (en)
Chinese (zh)
Inventor
丁前利
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Skyworth Digital Technology Co Ltd
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Shenzhen Skyworth Digital Technology Co Ltd
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Publication of WO2017220017A1 publication Critical patent/WO2017220017A1/fr
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Ceased legal-status Critical Current

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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]
    • H04N21/40—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
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4334—Recording 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
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4385—Multiplex stream processing, e.g. multiplex stream decrypting

Definitions

  • the present disclosure relates to the field of signal processing techniques, for example, to a method and system for receiving a signal source.
  • a personal video recorder (PVR) set-top box has appeared, which can be synchronized with the broadcast time of the TV station.
  • PVR personal video recorder
  • the set-top box cannot receive satellite programs while receiving the cable program, and the PVR set-top box on the market satisfies the program that is recorded at the same frequency point. There is no way to satisfy the program of different receiving modes while watching, and the recording function and receiving function are limited.
  • the present disclosure provides a method and system for receiving a signal source that enables simultaneous playback and recording of programs of different mode signal sources using a set top box.
  • This embodiment provides a method for receiving programs of different signal sources, which may include:
  • the set top box receives the second mode signal source while receiving the first mode signal source
  • the first transport stream is obtained by demultiplexing; after the second mode signal source is demodulated and decoded, the second transport stream is obtained by demultiplexing;
  • the set top box decodes the first transport stream to obtain first real-time audio and video data, and the A real-time audio and video data is output to the first audio-video player; the second transport stream is stored in the hard disk.
  • the method further includes:
  • decoding by the decoder, the stored second transport stream from the hard disk for decoding, obtaining the second stored audio and video data, and outputting the second stored audio and video data to the first audio and video player.
  • the method further includes: storing the first transport stream in a hard disk;
  • the method further includes: decoding the second transport stream to obtain second real-time audio and video data, and outputting the second real-time audio and video data to the second audio and video broadcast Device.
  • the method further includes:
  • the method further includes:
  • the set top box When the set top box receives the play control command for the second real-time audio and video data, stopping outputting the second real-time audio and video data to the second audio and video player; and removing the stored first from the hard disk by the decoder Transmitting the second transport stream to obtain the second stored audio and video data, and outputting the second stored audio and video data to the second audio and video player; or
  • the second real-time audio and video data is stopped from being output to the second audio and video player; and the stored first transport stream is taken out from the hard disk by the decoder for decoding to obtain the first storage. And audio and video data, outputting the first stored audio and video data to a second audio and video player.
  • the method further includes: storing the first transport stream in a hard disk;
  • the method further includes:
  • the set top box When the set top box receives the play control command for the first real-time audio and video data, stopping outputting the first real-time audio and video data to the first audio-video player; and removing the stored first from the hard disk by the decoder Decoding a transport stream to obtain first stored audio and video data, and outputting the first stored audio and video data to the first audio and video player; or
  • the first real-time audio and video data is stopped from being output to the first audio and video player; and the stored second transport stream is taken out from the hard disk by the decoder for decoding to obtain the second storage. And audio and video data, outputting the second stored audio and video data to the first audio and video player.
  • the embodiment further provides a system for receiving a signal source, which may include:
  • the first receiving unit is configured to receive the first mode signal source, and the second receiving unit is configured to receive the second mode signal source while the first receiving unit receives the first mode signal source;
  • a demodulation and decoding unit configured to: after demodulating and decoding the first mode signal source, obtain a first transport stream by demultiplexing; demodulate and decode the second mode signal source, and obtain a demultiplexed signal a second transport stream;
  • a first output storage unit configured to decode the first transport stream to obtain first real-time audio and video data, and output the first real-time audio and video data to a first audio-video player;
  • the transport stream is stored in the hard disk.
  • system further includes:
  • a first mode switching unit configured to stop outputting the first real-time audio and video data to the first time after the first set of real-time audio and video data is output to the first audio-video player, when the set-top box receives the mode switching command An audio and video player; the second transport stream stored in the hard disk is decoded by the decoder for decoding, and the second stored audio and video data is obtained, and the second stored audio and video data is output to the first audio and video player.
  • system further includes:
  • a first depositing unit configured to store the first transport stream into a hard disk after obtaining the first transport stream by demultiplexing
  • An output unit configured to: after obtaining the second transport stream by demultiplexing, decoding the second transport stream to obtain second real-time audio and video data, and outputting the second real-time audio and video data to the second audio and video player.
  • system further includes:
  • a first play control unit configured to: after outputting the second real-time audio and video data to the second audio-video player, when the set-top box receives the play control command for the second real-time audio and video data, stop the The second real-time audio and video data is output to the second audio and video player; the stored second transport stream is retrieved from the hard disk by the decoder for decoding to obtain the second stored audio and video data, and the second stored audio and video data is Output to the second audio and video player;
  • a second mode switching unit configured to stop outputting the second real-time audio and video data to the first time after the set-top box receives the mode switching command after outputting the second real-time audio and video data to the second audio-video player a two-tone video player; decoding, by the decoder, the stored first transport stream from the hard disk for decoding, obtaining the first stored audio and video data, and outputting the first stored audio and video data to the second audio and video player.
  • system further includes:
  • a second depositing unit configured to: after obtaining the first transport stream by demultiplexing, storing the first transport stream into a hard disk;
  • a second play control unit configured to: after outputting the first real-time audio and video data to the first audio-video player, when the set-top box receives the play control command for the first real-time audio and video data, stop the The first real-time audio and video data is output to the first audio and video player; the stored first transport stream is retrieved from the hard disk by the decoder to obtain the first stored audio and video data, and the first stored audio and video data is obtained. Output to the first audio and video player;
  • a third mode switching unit configured to output the first real-time audio and video data to the first audio-visual After the frequency player, when the set top box receives the mode switching command, the first real-time audio and video data is stopped from being output to the first audio-video player; and the stored second transport stream is taken out from the hard disk by the decoder for decoding. Obtaining second stored audio and video data, and outputting the second stored audio and video data to the first audio and video player.
  • This embodiment further provides a set top box, which may include:
  • first source receiver receives the second mode source while the first source receiver receives the first source
  • the memory is configured to store at least one of data of the first signal source and data of a second signal source.
  • the set top box may also include one or more processors and one or more programs, the one or more programs being stored in a memory, and when executed by one or more processors, performing any of the methods described above.
  • the embodiment further provides a computer readable storage medium storing computer executable instructions for performing any of the above methods.
  • the embodiment further provides a computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions, when the program instructions are executed by a computer Having the computer perform any of the methods described above.
  • the same set top box can simultaneously receive two different modes of signal sources, so that while playing a program in one mode signal source, the program in another mode signal source can be recorded to satisfy the user while watching.
  • the need to record programs of different mode sources improves the user experience.
  • FIG. 1 is a schematic flowchart of a method for receiving a signal source according to this embodiment.
  • FIG. 2 is a schematic flow chart of another method for receiving a signal source according to this embodiment.
  • FIG. 3 is a schematic flowchart of still another method for receiving a signal source according to the embodiment.
  • FIG. 3b is a schematic flowchart of still another method for receiving a signal source according to the embodiment.
  • FIG. 4 is a schematic structural diagram of a system for receiving a signal source according to the embodiment.
  • FIG. 5 is a schematic structural diagram of another system for receiving a signal source according to the embodiment.
  • FIG. 6 is a schematic structural diagram of another system for receiving a signal source according to the embodiment.
  • FIG. 7 is a schematic structural diagram of hardware of a set top box according to this embodiment.
  • FIG. 1 is a schematic flowchart of a method for receiving a signal source according to this embodiment. As shown in FIG. 1, the method may include steps 110-step 130.
  • step 110 the set top box receives the second mode signal source while receiving the first mode signal source.
  • the first mode signal source may include a cable television signal, a wireless television signal, and a satellite television signal; the second mode signal source may include a cable television signal, a wireless television signal, and a satellite television signal; the first mode signal source and the second mode signal source are different .
  • the first mode signal source is a cable television signal
  • the second mode signal source is a satellite television signal;
  • the first mode signal source is a satellite television signal
  • the second mode signal source is a wireless television signal.
  • step 120 after the first mode signal source is demodulated and decoded, the first transport stream is obtained by demultiplexing; after the second mode signal source is demodulated and decoded, the second mode is obtained by demultiplexing. Transport stream.
  • the set top box receives the first mode signal source, and passes through a high frequency tuner (Tuner), also called a tuner,
  • the first mode signal source is demodulated to obtain an intermediate frequency signal, which is decoded by a digital demodulator (Demodulator, Demo), demultiplexed by a demultiplexer to obtain a first transport (Transport Stream, TS) stream;
  • the set top box receives The second mode signal source, through the analog tuner Tuner to the second mode signal
  • the source is demodulated, decoded by a digital demodulator Demo, and demultiplexed by a demultiplexer to obtain a second transport stream;
  • the set top box can simultaneously demodulate and decode the first mode signal source and the second mode signal source.
  • Demultiplexing first demodulating, decoding, and demultiplexing the first mode signal source, and then demodulating, decoding, and demultiplexing the second mode signal source; or performing the second mode signal source first Demodulation, decoding, and demultiplexing, and then demodulating, decoding, and demultiplexing the first mode signal source.
  • the first mode signal source may be a satellite program signal
  • the second mode signal source may be a cable program signal
  • the first mode signal source may be a cable program signal
  • the second mode signal source may be a satellite program signal
  • the satellite receiver of the set top box receives the satellite program signal, and the satellite program signal is demodulated by using a satellite Tuner RDA5818 tuner, using the satellite
  • the DEMO1310 demodulator is demultiplexed by a demultiplexer of the chip BCM7366 to obtain a first transport stream
  • the cable receiver of the set top box receives a cable program signal
  • the cable program signal is performed by a cable Tuner 1820 tuner.
  • Demodulation is performed by decoding the Demo decoder of the built-in cable of the BCM7366 chip, and then demultiplexed by another demultiplexer of the chip BCM7366 to obtain a second transport stream.
  • the cable receiver of the set top box receives the cable program signal, and the cable program signal is demodulated by a cable Tuner 1820 tuner, using the chip.
  • the BCM7366 built-in cable demo decoder is decoded, and then demultiplexed by the chip BCM7366 demultiplexer to obtain the first transport stream; the satellite receiver of the set top box receives the satellite program signal, and the satellite program signal is adopted by the satellite Tuner RDA5818
  • the tuner is demodulated and decoded by the satellite DEMO1310 decoder, and then demultiplexed by another demultiplexer of the chip BCM7366 to obtain a second transport stream.
  • step 130 decoding the first transport stream to obtain first real-time audio and video data, outputting the first real-time audio and video data to a first audio-video player, and storing the second transport stream hard disk.
  • the first audiovisual data may include audio data and video data.
  • the first audio and video data is output to the first audio and video player, and the first audio and video player starts playing after receiving the first audio and video data.
  • the second transport stream obtained by demultiplexing the second mode signal source is stored in the hard disk, and the second mode signal source is buffered by the user in advance by storing the second transport stream in the hard disk.
  • the two modes of the set-top box receive the cable signal and the satellite signal at the same time.
  • the cable signal receives the program signal of Hunan Satellite TV
  • the satellite signal receives the program signals of the central two.
  • the user can control the set-top box to Hunan.
  • the program signal of the TV is output to the audio and video player for playback.
  • the transmission stream of the two central program signals is stored in the hard disk, that is, the program of the central station is recorded while watching the program of Hunan Satellite TV; the center of the set-top box can also be controlled.
  • the program signal of the station is output to the audio and video player for playback, and the transmission stream of the Hunan Satellite TV program is stored in the hard disk, that is, the program of Hunan Satellite TV is recorded while watching the programs of the central 2 stations.
  • the first mode signal source and the second mode signal source are simultaneously received by the set top box; after the first mode signal source is demodulated and decoded, the first transport stream is obtained by demultiplexing; and the second mode signal is obtained.
  • the second transport stream is obtained by demultiplexing; the first transport stream is decoded to obtain first audio and video data, and the first audio and video data is output to the first audio and video player.
  • the same set-top box can simultaneously receive two different modes of signal source, and realize the program in the signal source of one mode while recording the program in the source of another mode, which satisfies the program of recording the different mode signal source while the user is watching. The requirement is that the user can directly take out the recorded program of another mode source from the hard disk while watching, without being affected by the network signal, thereby improving the user experience.
  • FIG. 2 is a schematic flowchart of another method for receiving a signal source according to the embodiment. As shown in FIG. 2, the method can include steps 210-230.
  • step 210 the set top box receives the second mode signal source while receiving the first mode signal source.
  • step 220 after the first mode signal source is demodulated and decoded, the first transport stream is obtained by demultiplexing; after the second mode signal source is demodulated and decoded, the second mode is obtained by demultiplexing. Transport stream.
  • the first transport stream is decoded to obtain first real-time audio and video data, and the first real-time audio and video data is output to a first audio-video player; the first transport stream is stored a hard disk; decoding the second transport stream to obtain second real-time audio and video data, outputting the second real-time audio and video data to a second audio-video player; and storing the second transport stream into a hard disk.
  • Both the first audiovisual data and the second audiovisual data may include audio data and video data.
  • the first audio and video data is output to the first audio and video player, and the first audio and video player starts playing after receiving the first audio and video data; and stores the first transport stream into the hard disk for storage.
  • the second audio and video data is output to the second audio and video player, and the second audio and video player starts playing after receiving the second audio and video data; and stores the second transport stream into the hard disk.
  • the decoder of the set top box can decode and play the first transport stream and the second transport stream at the same time, or can perform decoding and playback in sequence.
  • the set-top box can store the transport stream to the hard disk while decoding and playing the transport stream, or at different times.
  • the playing and saving of the first transport stream may be performed simultaneously or sequentially; the playing and storing of the second transport stream may be performed simultaneously or sequentially, for example, after being stored as a hard disk;
  • the four operations of playing and storing the first transport stream, playing the second transport stream, and storing the data into the hard disk can be performed simultaneously, that is, two audio and video players simultaneously play programs of different mode signal sources, and the two different The program transmission stream of the mode signal source flows into the hard disk for storage while being played; these four operations can also be performed in sequence.
  • the programs of the two TVs can be the same program of the same source, such as one program in the center or the same frequency point of the same source.
  • Different programs such as the satellite signal source in the center of the 6B 3840 frequency, the central one and the central three; can also be different signal source programs, such as Hunan TV, which can use the first TV to broadcast the cable source,
  • the second TV receives 5 high-definition central programs that broadcast satellite signals, so that you can watch multiple source programs.
  • the recording function can be supported while playing the program, and the recording mode can also be various.
  • the same program can be played and recorded on different audio and video players, and different programs can be played and recorded, played and recorded.
  • the modes are as follows:
  • Mode 1 Two TVs play the same program, and the set-top box records the same program; Both the television set and the second set of televisions broadcast a central program of the cable source, and the set-top box records three central programs on the satellite signal source 3840;
  • Mode 2 Two TV sets play the same program, and the set-top box records different programs; for example, the first TV set and the second TV set play a central program of the cable signal source, and the set-top box records the signal source on the 3840 3 central programs, and recorded Hunan TV programs with cable sources;
  • Mode 3 Two TV sets play different programs, and the set-top box records the same program; for example, the set-top box records the central program of the cable source, and the first TV broadcasts the central 3 programs on the satellite signal source 3840.
  • Mode 4 Two TV sets play different programs, and the set-top box records different programs; for example, the first TV broadcasts a central program of the cable signal source, and the set-top box records three central programs on the satellite program 3840; Two TV sets play the central 2 programs on the 3840, and the set-top box records the Hunan Satellite TV program with the cable source.
  • the set top box can simultaneously record the same program as the played program, and can also record a program different from the played program.
  • the same set top box can be controlled to simultaneously receive two different modes of signal sources, and the program of recording signals of two different modes can be recorded while watching, and the second mode can be recorded while playing the program of the first mode signal source.
  • a program of the signal source; the program of the program and the second mode signal source may also be recorded while playing the program of the first mode signal source; or the two audio and video players may respectively play the program of the first mode signal source and
  • the program of the second mode signal source, and the set top box records at least one of the program of the first mode signal source and the program of the second mode signal source, which satisfies the user's various recording requirements and the viewing requirements of the plurality of signal source programs, and improves User experience.
  • FIG. 3a is a schematic flowchart of still another method for receiving a signal source according to the embodiment. As shown in FIG. 3a, the method can include steps 310-370.
  • step 310 the set top box receives the second mode signal source while receiving the first mode signal source.
  • step 320 after the first mode signal source is demodulated and decoded, the first transport stream is obtained by demultiplexing; after the second mode signal source is demodulated and decoded, the second mode is obtained by demultiplexing. Transport stream.
  • the first transport stream is decoded to obtain first real-time audio and video data, and the first real-time audio and video data is output to a first audio-video player; the first transport stream is stored a hard disk; decoding the second transport stream to obtain second real-time audio and video data, outputting the second real-time audio and video data to a second audio-video player; and storing the second transport stream into a hard disk.
  • step 340 when the set top box receives the play control command for the first real-time audio and video data, stop outputting the first real-time audio and video data to the first audio-video player; from the hard disk through the decoder
  • the stored first transport stream is decoded to obtain first stored audio and video data, and the first stored audio and video data is output to the first audio and video player.
  • the play control commands may include: pause, fast forward, slow release, and reverse commands.
  • the first audio data is the 300th episode of the animal world program in the center.
  • the set top box receives the command to pause the currently playing animal world, and stops the playback of the current video.
  • the 300th episode of the stored animal world program in the center is directly taken out from the hard disk, and playback is continued from the paused position, so that the user can watch it at any time.
  • the first audio data is the 300th episode of the animal world program in the center.
  • the first stored animal central program in the central unit is taken out from the hard disk. 300 episodes, playing back the video content before the current video; when the set-top box receives the command to slow down the currently playing animal world, the third episode of the stored central animal world program is taken out from the hard disk, and the video is adjusted.
  • the playback speed such as the normal playback speed of 60 frames / sec, when slow playback, the playback speed can be adjusted to 30 frames / sec; when the TV plays the video content stored in the set-top box, you can fast forward operation, for example
  • the set top box retrieves the 300th episode of the stored central animal program from the hard disk for playback, it receives a command to fast forward the currently played program, and then fast forwards the currently played video content.
  • step 350 when the set top box receives the mode switching command for the first real-time audio and video data, stop outputting the first real-time audio and video data to the first audio-video player; from the hard disk through the decoder
  • the stored second transport stream is decoded to obtain second stored audio and video data, and the second stored audio and video data is output to the first audio and video player.
  • the mode switching command is to switch from the currently playing one mode source to another mode source that has been saved in the hard disk.
  • the set top box receives the switch from the first mode signal source to the second mode signal source, stops outputting the first audio and video data to the first audio and video player, and stops the first audio and video player from the first mode signal source.
  • the audio and video data is played; the stored second transport stream is retrieved from the hard disk by the decoder for decoding, and the second audio and video data is output to the first audio and video player for playback.
  • the signals of the two modes received at the same time are the cable signal and the satellite signal, the cable signal receives the program of Hunan Satellite TV, and the satellite signal receives the programs of the central two.
  • the user sets up to record the two programs in the center while watching the Hunan Satellite TV program.
  • the set-top box receives the corresponding mode switching command, stops playing the Hunan Satellite TV program, and switches from the Hunan Satellite TV program to the recorded central 2 program to continue playing, from the hard disk.
  • the recorded signal that is taken out is not affected by the smoothness of the playback when the signal is not good, and can be played smoothly when the signal is not good.
  • step 360 when the set top box receives the play control command for the second real-time audio and video data, stop outputting the second real-time audio and video data to the second audio-video player; from the hard disk through the decoder
  • the stored second transport stream is decoded to obtain second stored audio and video data, and the second stored audio and video data is output to the second audio and video player.
  • step 370 when the set top box receives the mode switching command for the second real-time audio and video data, stop outputting the second real-time audio and video data to the second audio-video player; from the hard disk through the decoder And extracting the stored first transport stream to obtain the first stored audio and video data, and outputting the first stored audio and video data to the second audio and video player.
  • step 340-step 370 may be performed independently of each other or in combination, for example, one, two, or three of the four steps may be performed, or all of the four steps may be performed; When there are more than two steps, there is no sequence relationship between the executed steps. They can be executed at the same time or in sequence. When executing in sequence, which command is received first, which step is executed first.
  • the same set-top box simultaneously receives two different modes of signal sources, and realizes recording two different modes of the program while watching, and can record the second mode signal source while playing the program in the first mode signal source.
  • the program can also record the program and the program in the second mode signal source while playing the program in the first mode signal source; or can play the program in the first mode signal source and the second mode signal source, and record At least one of the first mode signal source and the second mode signal source;
  • the set top box can simultaneously process the control commands of the pause, fast forward, mode switch, etc. received by the first audio and video player and the second audio and video player, satisfying The user's multiple recording needs and a variety of signal source viewing needs to improve the user experience.
  • FIG. 3b is a schematic flowchart of a received signal source according to the embodiment.
  • the embodiment may provide a user with a selection interface for receiving a signal source, so that the user selects whether to receive two signal sources, and when the user selects to receive two signals.
  • the program recording of the signal source and the corresponding channel are selected as follows:
  • the satellite signal receiver is demodulated by the high frequency head RDA5815 and the Demo1310 chip decodes and transports the TS stream into the chip BCM7366.
  • the chip internal demultiplexing module demultiplexes the TS stream
  • the digital TV program A/V data selected by the user is obtained. That is, audio and video data, such as the central one that the user likes to watch, in the case of normal viewing of the program, the demultiplexed A/V data is simultaneously sent to the decoder and the hard disk through channel 1 and channel 2, and respectively decoded and broadcasted. And time shift storage.
  • the satellite signal receiver When the user performs operations such as pause, rewind or slow release, the satellite signal receiver enters the time shift state, channel 1 is cut off, and the decoder obtains A/V data from the hard disk through channel 4 for decoding output, and channel 2 remains in normal operation.
  • the cable signal receiver is demodulated by the cable high frequency head 1820, and the decoder Demo1310 inside the chip BCM7366 is decoded, and the internal demultiplexer of the chip is demultiplexed to obtain the A/V data of the digital television program selected by the user, for example, the user watches.
  • the de-multiplexed A/V data is simultaneously sent to the decoder and the hard disk through channel 5 and channel 3, respectively for decoding broadcast and time-shift storage.
  • the cable signal receiver When the user performs operations such as pause, rewind or slow release, the cable signal receiver enters the time shift state, channel 5 is cut off, and the decoder obtains A/V data from the hard disk through channel 4 for decoding output, and channel 3 remains in normal operation.
  • the satellite receiver is demodulated by the high frequency head RDA5815 and decoded by the demo1310 chip to transport the TS stream into the chip BCM7366.
  • the internal demultiplexing module of the chip is demultiplexed to obtain the digital TV program A/V data selected by the user (that is, in the above embodiment)
  • the first TS stream for example, is playing in the central unit, and then the cable receiver is demodulated by the cable tuner 1820, internally decoded by the chip BCM7366, and the TS stream is solved by the chip BCM7366 internal demultiplexing module.
  • the digital TV program A/V data selected by the user ie, the second TS stream in the above embodiment
  • the cable signal program is recorded on the hard disk, for example, the cable signal being recorded is 5 central units, at this time.
  • the channel for the strobe is 1 and 3.
  • the user receives one of the satellite signals in the center of the satellite, and simultaneously records 5 of the center of the cable signal.
  • Method 4 receiving a cable signal program, recording a satellite signal program
  • the cable receiver is demodulated by the cable tuner 1820, and the chip BCM7366 internally decodes, and the chip internal demultiplexing module demultiplexes to obtain the digital TV program A/V data selected by the user (ie, the first TS in the above embodiment) Stream), then the cable signal section is displayed on the TV, for example, the cable signal is being played in the center 5; the satellite receiver is demodulated by the high frequency head RDA5815 and the demo1310 chip decodes and transports the TS stream into the chip BCM7366, and the chip is internally solved.
  • Mode 5 Simultaneously receive satellite and cable signals.
  • the channels for strobing are 1, 2, and 5; while receiving satellite and cable signals, when recording the cable signal, the channels for strobing are 1, 3, and 5;
  • the strobe channels are 1, 2, 3, and 5.
  • FIG. 4 is a schematic structural diagram of a system for receiving a signal source according to an embodiment of the present disclosure.
  • the system can include:
  • the first receiving unit 400 is configured to receive the first mode signal source.
  • the second receiving unit 410 is configured to receive the second mode signal source while the first receiving unit receives the first mode signal source.
  • the demodulation and decoding unit 420 is configured to: after demodulating and decoding the first mode signal source, obtain a first transport stream by demultiplexing; demodulate and decode the second mode signal source, and then demultiplex A second transport stream is obtained.
  • the first output storage unit 430 is configured to decode the first transport stream to obtain first real-time audio and video data, and output the first real-time audio and video data to the first audio and video player;
  • the second transport stream is stored in the hard disk.
  • the above plurality of units work together, and the same set top box can simultaneously receive two different modes of signal sources, thereby realizing the program in the one mode source while recording the program in the other mode source. It satisfies the requirement of the user to record different mode signal source programs while watching, so that the user can directly take out the recorded program of another mode signal source from the hard disk when idle, and is not affected by the network signal, thereby improving the user.
  • the experience of using is satisfies the requirement of the user to record different mode signal source programs while watching, so that the user can directly take out the recorded program of another mode signal source from the hard disk when idle, and is not affected by the network signal, thereby improving the user.
  • FIG. 5 is a schematic structural diagram of another system for receiving a signal source according to the embodiment.
  • the system can include:
  • the first receiving unit 400 is configured to receive the first mode signal source.
  • the second receiving unit 410 is configured to receive the second mode signal source while the first receiving unit receives the first mode signal source.
  • the demodulation and decoding unit 420 is configured to: after demodulating and decoding the first mode signal source, obtain a first transport stream by demultiplexing; demodulate and decode the second mode signal source, and then demultiplex A second transport stream is obtained.
  • the first output storage unit 430 is configured to decode the first transport stream to obtain first real-time audio and video data, and output the first real-time audio and video data to the first audio and video player;
  • the second transport stream is stored in the hard disk.
  • the first depositing unit 440 is configured to: after the first transport stream is obtained by demultiplexing, the first The transport stream is stored in the hard disk.
  • the output unit 450 is configured to: after the second transport stream is obtained by demultiplexing, decode the second transport stream to obtain second real-time audio and video data, and output the second real-time audio and video data to the second sound Video player.
  • the plurality of units cooperate to work together, and the same set top box can be controlled to simultaneously receive two different modes of signal sources, so as to record two different modes of the program while watching, and can play the program in the first mode signal source.
  • recording the program in the second mode signal source also playing the program in the first mode signal source while recording the program in the program and the second mode signal source; or controlling the two audio and video players Simultaneously playing the first mode signal source, the program in the second mode signal source, and recording at least one of the first mode signal source and the second mode signal source, satisfying various recording requirements of the user and viewing by multiple signal sources Demand to improve the user experience.
  • FIG. 6 is a schematic structural diagram of another system for receiving a signal source according to the embodiment.
  • the system can include:
  • the first receiving unit 400 is configured to receive the first mode signal source.
  • the second receiving unit 410 is configured to receive the second mode signal source while the first receiving unit receives the first mode signal source.
  • the demodulation and decoding unit 420 is configured to: after demodulating and decoding the first mode signal source, obtain a first transport stream by demultiplexing; demodulate and decode the second mode signal source, and then demultiplex A second transport stream is obtained.
  • the first output storage unit 430 is configured to decode the first transport stream to obtain first real-time audio and video data, and output the first real-time audio and video data to the first audio and video player;
  • the second transport stream is stored in the hard disk.
  • the first depositing unit 440 is configured to store the first transport stream into the hard disk after the first transport stream is obtained by demultiplexing.
  • the output unit 450 is configured to decode the second transport stream to obtain a second real-time audio and video number According to the second real-time audio and video data is output to the second audio and video player.
  • the first play control unit 460 is configured to: after outputting the second real-time audio and video data to the second audio-video player, when the set-top box receives the play control command for the second real-time audio and video data, stop The second real-time audio and video data is output to the second audio and video player; the stored second transport stream is retrieved from the hard disk by the decoder for decoding to obtain the second stored audio and video data, and the second stored audio and video data is obtained. Data output to the second audio and video player;
  • the second mode switching unit 470 is configured to, after outputting the second real-time audio and video data to the second audio-video player, stop outputting the second real-time audio and video data to the set-top box when receiving the mode switching command a second audio and video player; decoding, by the decoder, the stored first transport stream from the hard disk for decoding, obtaining the first stored audio and video data, and outputting the first stored audio and video data to the second audio and video player .
  • two different modes of signal sources are simultaneously received by the same set top box, so that two different modes of the program are recorded while watching, and the program in the first mode signal source can be recorded while recording the second mode signal source.
  • a program; the program in the program and the second mode signal source may be recorded while the program in the first mode signal source is being played; the program in the first mode signal source and the second mode signal source may also be played, and the recording is performed.
  • a mode signal source, at least one of the second mode signal sources; the set top box can simultaneously process the control commands of the pause, fast forward, mode switch, etc. received by the first audio and video player and the second audio and video player, satisfying the user A variety of recording needs and a variety of signal source viewing needs to improve the user experience.
  • the foregoing system further includes:
  • the first mode switching unit is configured to: after outputting the first audio and video data to the first audio and video player, stop receiving the first audio and video data to the first when the set top box receives the mode switching command And an audio and video player; the second transport stream is retrieved from the hard disk by the decoder for decoding to obtain the second audio and video data output to the first audio and video player.
  • the foregoing system further includes:
  • a second depositing unit configured to: after obtaining the first transport stream by demultiplexing, storing the first transport stream into a hard disk;
  • the second storage unit and the first storage unit may have the same hardware structure.
  • a second play control unit configured to: after outputting the first real-time audio and video data to the first audio-video player, when the set-top box receives the play control command for the first real-time audio and video data, stop the The first real-time audio and video data is output to the first audio and video player; the stored first transport stream is retrieved from the hard disk by the decoder to obtain the first stored audio and video data, and the first stored audio and video data is obtained. Output to the first audio and video player;
  • a third mode switching unit configured to stop outputting the first real-time audio and video data to the first time after the set-top box receives the mode switching command after outputting the first real-time audio and video data to the first audio-video player An audio and video player; the second stored audio stream is retrieved from the hard disk by the decoder to obtain the second stored audio and video data, and the second stored audio and video data is output to the first audio and video player.
  • the embodiment further provides a computer readable storage medium having stored thereon a computer program, the computer program comprising program instructions, when the program instructions are executed by a computer, implementing a received signal source as provided by all embodiments of the present disclosure method.
  • FIG. 7 is a schematic structural diagram of a set top box according to the embodiment.
  • the set top box may include: one or more processors 510 and a memory 520.
  • One processor 510 is taken as an example in FIG.
  • the set top box may also include an input device 530 and an output device 540.
  • the processor 510, the memory 520, the input device 530, and the output device 540 in the set top box may be connected by a bus or other means, and the connection through the bus is taken as an example in FIG.
  • the set top box may further include a first source receiver and a second source receiver, wherein the second source receiver receives the first signal source while the first source receiver receives the first mode source Two mode signal source;
  • the memory 520 is configured to store data of the first mode signal source and a second mode signal source At least one of the data.
  • the memory 520 can be a hard disk.
  • the set top box may further include a first tuner communicatively coupled to the first receiver, a first demodulator communicatively coupled to the first tuner, and a first communicatively coupled to the first demodulator a demultiplexer; a second tuner communicatively coupled to the second source receiver, a second demodulator communicatively coupled to the second tuner, and a communicatively coupled to the second demodulator a second demultiplexer; the memory 520 is communicatively coupled to the first demultiplexer connection and the second demultiplexer, respectively.
  • the set top box may further include: a third decoder; the third decoder is respectively connected to the first demultiplexer, the second demultiplexer, the memory 520, and the first audio and video Player communication connection.
  • the third decoder may be configured to decode at least one of the first A/V data and the second A/V data, and output corresponding audio and video information to the first audio and video player and the second audio and video player At least one of the devices.
  • the memory 520 can be used as a computer readable storage medium for storing software programs, computer executable programs, and modules.
  • the processor 510 executes various functional applications and data processing by executing software programs, instructions, and modules stored in the memory 520 to implement any of the above embodiments.
  • the memory 520 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application required for at least one function; and the storage data area may store the set top box in use. Data created during the process or data received by the set-top box.
  • the memory can store at least one of data of the first mode signal source and data of the second mode signal source.
  • the memory may include volatile memory such as random access memory (RAM), and may also include non-volatile memory such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device.
  • volatile memory such as random access memory (RAM)
  • non-volatile memory such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device.
  • Memory 520 can be a non-transitory computer storage medium or a transitory computer storage medium.
  • the non-transitory computer storage medium such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
  • memory 520 can optionally include memory remotely located relative to processor 510, which can be connected to the set top box via a network.
  • the above network may include the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.
  • Input device 530 can be used to receive input numeric or character information and to generate key signal inputs related to user settings and function control of the set top box.
  • the output device 540 can include a display device such as a display screen.
  • a person skilled in the art can understand that all or part of the process of implementing the above embodiment method can be completed by executing related hardware by a computer program, and the program can be stored in a non-transitory computer readable storage medium.
  • the program when executed, may include the flow of an embodiment of the method as described above, wherein the non-transitory computer readable storage medium may be a magnetic disk, an optical disk, a read only memory (ROM), or a random access memory (RAM). Wait.
  • the present disclosure provides a method and system for receiving a signal source, which can simultaneously receive two different modes of signal sources in the same set top box, so that while playing a program in one mode signal source, another mode signal is recorded.
  • the program in the source satisfies the user to record different mode source programs while watching Demand to improve the user experience.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

L'invention concerne un procédé et un système de réception de source de signal. Le procédé consiste : à recevoir simultanément, par un boîtier décodeur, une source de signal d'un premier mode et une source de signal d'un second mode ; à effectuer, après avoir effectué une démodulation et un décodage sur la source de signal du premier mode, un démultiplexage pour obtenir un premier flux de transport ; à effectuer, après avoir effectué une démodulation et un décodage sur la source de signal du second mode, un démultiplexage pour obtenir un second flux de transport ; à décoder le premier flux de transport pour obtenir des premières données audio/vidéo en temps réel, et à transmettre les premières données audio/vidéo en temps réel à un premier lecteur audio/vidéo ; et à mémoriser le second flux de transport dans un disque dur.
PCT/CN2017/089756 2016-06-23 2017-06-23 Procédé et système de réception de source de signal Ceased WO2017220017A1 (fr)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114339278A (zh) * 2021-12-22 2022-04-12 四川九州电子科技股份有限公司 直播卫星节目录制版权保护系统及方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105898537A (zh) * 2016-06-23 2016-08-24 深圳创维数字技术有限公司 一种支持同时播放和录制不同模式节目源的方法与系统
CN107707949A (zh) * 2017-09-26 2018-02-16 深圳佳力拓科技有限公司 一种支持有线电视信号和isdb‑t的机顶盒系统和方法
CN110557686A (zh) * 2019-09-27 2019-12-10 四川九州电子科技股份有限公司 实现移动终端播放卫星小码率直播节目的系统及方法

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050122334A (ko) * 2004-06-24 2005-12-29 주식회사 대우일렉트로닉스 2튜너와 1ｃｉ를 이용한 방송 프로그램 저장 및 재생 장치
JP2008252390A (ja) * 2007-03-29 2008-10-16 Sharp Corp 放送受信装置、放送受信方法、プログラムおよびその記録媒体
CN201156782Y (zh) * 2008-01-14 2008-11-26 青岛海信电器股份有限公司 电视机
CN101453594A (zh) * 2007-12-07 2009-06-10 上海晨兴电子科技有限公司 手机电视实现画中画和即播即录功能的方法及装置
CN102036029A (zh) * 2010-09-01 2011-04-27 郴州希典科技有限公司 一种结合地面和卫星的电视接收系统
CN102223504A (zh) * 2011-07-19 2011-10-19 深圳市金锐显数码科技有限公司 一种多制式电视接收机及其电视信号接收方法
CN202696760U (zh) * 2012-05-31 2013-01-23 深圳市同洲电子股份有限公司 数字电视一体机
CN103139645A (zh) * 2011-11-23 2013-06-05 康佳集团股份有限公司 一种对节目进行控制的方法和机顶盒技术领域
CN104244038A (zh) * 2014-09-19 2014-12-24 四达时代通讯网络技术有限公司 机顶盒系统
CN105898537A (zh) * 2016-06-23 2016-08-24 深圳创维数字技术有限公司 一种支持同时播放和录制不同模式节目源的方法与系统

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202143181U (zh) * 2011-07-20 2012-02-08 苏州工业职业技术学院 一种新型的网络电视机顶盒

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050122334A (ko) * 2004-06-24 2005-12-29 주식회사 대우일렉트로닉스 2튜너와 1ｃｉ를 이용한 방송 프로그램 저장 및 재생 장치
JP2008252390A (ja) * 2007-03-29 2008-10-16 Sharp Corp 放送受信装置、放送受信方法、プログラムおよびその記録媒体
CN101453594A (zh) * 2007-12-07 2009-06-10 上海晨兴电子科技有限公司 手机电视实现画中画和即播即录功能的方法及装置
CN201156782Y (zh) * 2008-01-14 2008-11-26 青岛海信电器股份有限公司 电视机
CN102036029A (zh) * 2010-09-01 2011-04-27 郴州希典科技有限公司 一种结合地面和卫星的电视接收系统
CN102223504A (zh) * 2011-07-19 2011-10-19 深圳市金锐显数码科技有限公司 一种多制式电视接收机及其电视信号接收方法
CN103139645A (zh) * 2011-11-23 2013-06-05 康佳集团股份有限公司 一种对节目进行控制的方法和机顶盒技术领域
CN202696760U (zh) * 2012-05-31 2013-01-23 深圳市同洲电子股份有限公司 数字电视一体机
CN104244038A (zh) * 2014-09-19 2014-12-24 四达时代通讯网络技术有限公司 机顶盒系统
CN105898537A (zh) * 2016-06-23 2016-08-24 深圳创维数字技术有限公司 一种支持同时播放和录制不同模式节目源的方法与系统

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114339278A (zh) * 2021-12-22 2022-04-12 四川九州电子科技股份有限公司 直播卫星节目录制版权保护系统及方法
CN114339278B (zh) * 2021-12-22 2023-06-02 四川九州电子科技股份有限公司 直播卫星节目录制版权保护方法

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