CN201577137U - Television system with double-channel PVR function - Google Patents
Television system with double-channel PVR function Download PDFInfo
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- CN201577137U CN201577137U CN2009200611334U CN200920061133U CN201577137U CN 201577137 U CN201577137 U CN 201577137U CN 2009200611334 U CN2009200611334 U CN 2009200611334U CN 200920061133 U CN200920061133 U CN 200920061133U CN 201577137 U CN201577137 U CN 201577137U
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- pvr
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Abstract
The utility model discloses a television system with a double-channel PVR function, which comprises a television master control board and a PVR expansion control board which is in matching connection with the television master control board, wherein the television master control board is provided with a high-frequency head, a tuner, a decoder, a main control chip and a first USB interface; the PVR expansion control board comprises a high-frequency head, a control chip, a second USB interface and a data control line interface and an audio-video signal line interface which are connected with the television master control board; and the PVR expansion control board is used for sharing the same operation control interface with the television master control board, carrying out channel data switching and recording and playing command control by an I2C/UART communication protocol and realizing that one channel of the television system plays a program of one channel and simultaneously the other channel records the program of the same channel or a program of a different channel.
Description
Technical field
The utility model relates to field of television, relates in particular to a kind of one side simultaneously broadcast program, Yi Bian record the television system of the binary channels PVR function of identical or different channel program.
Background technology
Has PVR (Personal Video Recording) function at present, it is the television structure complexity of recording function, generally all adopt the TV-set top box that is independent of television set to come program recording, and in the digital television chip of television system, because the height of function is integrated, be subjected to chip area and number of pins quantitative limitation, can only provide a digital channel in Digital Television input and decoded portion, that is to say when the user when watching the digital program of a channel, record a video with digital program only to this channel, but can not control simultaneously the program of another one channel is recorded a video, this has limited television function greatly.
Because the technical deficiency of chip communication agreement and interface function, existing television set can't be realized binary channels PVR function, can't be set, automatically recording video program using the channel and the beginning/concluding time of program recording in advance according to electronic program list.Can realize in low cost S OC Digital Television scheme that the product of binary channels PVR function does not also have at present.
The utility model content
The utility model purpose provides a kind of television system with binary channels PVR function, adopt the hardware connection mode of the two frameworks of master, the communication interface standard of utilization coupling, not only can play TV programme, also can utilize the external USB memory device to record the TV programme of identical or different channel simultaneously, realize the twin-channel PVR function of television set.
The utility model embodiment provides a kind of television system with binary channels PVR function, comprise the TV master control borad that is provided with tuner, tuner, decoder, main control chip and first USB interface, main control chip connects tuner, tuner, decoder by the Data Control bus.Described television system also comprises the PVR expansion control board that is complementary and is connected with described TV master control borad, and described PVR expansion control board comprises: tuner, control chip, second USB interface and the Data Control line interface and the audio-video signal line interface that are connected with described TV master control borad;
Described PVR expansion control board is arranged on the television set the inside or is arranged in the set-top box, be used for sharing same operation control interface with described TV master control borad, carry out channel data exchange and video recording, play command control by I2C/UART communication protocol, realize the program of a channel of a passage broadcast of described television system, another passage is recorded the program of identical or different channel simultaneously.
Further, first USB interface on the described TV master control borad is used to connect memory device, the channel program content that storage receives; Second USB interface on the described PVR expansion control board is connected with memory device, is used for storing simultaneously the different channel programme content that receives.
Further, described TV master control borad and described PVR expansion control board can support to receive analog-and digital-television broadcasting signal, support to receive charge programme signal (CA), also support coupling to connect general-purpose interface (CI); The coherent signal process software programs that carries by cooperation, can support to receive and handle EPG, Teletext, Subtitle, MHEG-5, ATS, DVB-T digital television service signal, and the tuning processing of carrying out PAL/SECAM colour decoding and relevant sound accompaniment standard.
Further, be connected with the audio-video signal line by I2C/UART Data Control bus, YPBPR video signal cable between described TV master control borad and the described PVR expansion control board.
Further, also comprise the displaying predetermined programme record device that is connected with described TV master control borad or described PVR expansion control board, be used for being provided with according to electronic program list in advance the channel and the beginning/concluding time of program recording, automatically recording video program using.
Further, described TV master control borad also comprises the system data administrative unit, infrared remote control/button receiving element and MPEG-2 stream decoder; Described PVR expansion control board also comprises decoder and the YPBPR signal coder of MPEG-2.
Further again, state the hardware connection mode that adopts the two frameworks of master between TV master control borad and the described PVR expansion control board, the I2C/UART communication interface standard that utilization is complementary, when described PVR expansion control board is operated in holotype, receive the protocol signal of infrared remote control form, realize function, automatic scan function, the EPG-related functions of OSD, the line correlation of going forward side by side video recording, play operation; When described PVR expansion control board is operated in from pattern, receive the I2C/UART communication interface standard control signal of described TV master control borad, according to the program recording channel and the beginning/concluding time of prior setting, automatically recording video program using.
Further, when described television system is recorded TS, convert a group of audio frequency, video information of current playing program among the TS MPG file of PS packet format to, and be kept in the systemic presupposition catalogue in the described storage facilities, described MPG file is numbered the classification storage according to file size and time.
The television system that adopts the utility model embodiment to provide with binary channels PVR function, can support simultaneously analog-and digital-TV programme broadcast, record, support to receive charge programme signal (CA), also support coupling to connect general-purpose interface (CI); The coherent signal process software programs that carries by cooperation, also can support to receive and handle EPG, Teletext, Subtitle, MHEG-5, ATS, DVB-T digital television service signal, and the tuning processing of carrying out PAL/SECAM colour decoding and relevant sound accompaniment standard.
Can realize watching TV programme, and imprinting simultaneously, standby reservation imprinting, EPG reservation imprinting, record while seeing, time shift is watched, the identical or different channel TV program of back platform independent imprinting, the reservation imprinting also can be set the program of liking in advance, PVR can get off these section directories automatically, waits and watches free the time again.The TV guide that shows a following week according to the program guide of electric program guide EPG, realized that digital television program is selected and pre-recording more simply and easily, by time shift and recording function, client can suspend programme televised live or record following program so that watch future, thereby realizes rating control better.Client can record a video to the another one TV programme on the backstage when watching a TV programme.
Description of drawings
Fig. 1 is the television system structure block diagram with binary channels PVR function that the utility model embodiment one provides;
Fig. 2 is the television system structure block diagram with binary channels PVR function that the utility model embodiment two provides.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, the utility model embodiment one provides a kind of television system with binary channels PVR function, comprise the TV master control borad 1 that is provided with tuner, tuner, decoder, main control chip, TV master control borad 1 is realized basic existing TV operation function, such as received television signal, channel selection, audio-video signal processing, controls playing etc.Described television system also comprises the PVR expansion control board 2 that is complementary and is connected with described TV master control borad, and described PVR expansion control board comprises: tuner, control chip, USB interface, actions menu and the Data Control line interface and the audio-video signal line interface that are connected with described TV master control borad.Concrete, control by the agreement of infrared remote control form between described TV master control borad and the described PVR expansion control board, realize function, automatic scan function, the EPG-related functions of OSD, and control described PVR expansion control board be correlated with video recording, play operation.
Also be provided with USB interface on the described TV master control borad, be used to be connected with memory device, the channel program content that storage receives; USB interface on the described PVR expansion control board is connected with memory device, is used for storing simultaneously another channel program content that receives.The described like this television system with binary channels PVR function can be expanded the program storage of this channel in the memory device of control board connection to TV master control borad or PVR by USB interface when playing a television channel program simultaneously; Perhaps receive the TV programme of other channels by the tuner on the PVR expansion control board simultaneously, and carry out recording and storing.
As shown in Figure 2, the utility model embodiment two provides a kind of television system with binary channels PVR function, described PVR expansion control board is arranged on the television set the inside or is arranged in the set-top box, is used for sharing same operation control interface with described TV master control borad.Be connected with audio signal wire by I2C/UART control bus, YPBPR video signal cable between described TV master control borad and the described PVR expansion control board.Described television system adopts I2C/UART control bus command mode, carry out channel data exchange and video recording, play command control by I2C/UART communication protocol, realize the program of a channel of a passage broadcast of described television system, another passage is recorded the program of identical or different channel simultaneously.
All be provided with USB interface on described TV master control borad and the PVR expansion control board, be used to connect memory device.The described like this television system with binary channels PVR function can be expanded the program storage of this channel in the memory device of control board connection to TV master control borad or PVR by USB interface when playing a television channel program simultaneously; Perhaps receive the TV programme of other channels by the tuner on the PVR expansion control board simultaneously, and carry out recording and storing.
As a kind of improved execution mode, described television system also comprises the displaying predetermined programme record device that is connected with described TV master control borad or described PVR expansion control board, be used for being provided with according to electronic program list in advance the channel and the beginning/concluding time of program recording, automatically recording video program using.
Described TV master control borad also comprises the system data administrative unit, infrared remote control/button receiving element and MPEG-2 stream decoder; Described PVR expansion control board also comprises decoder and the YPBPR signal coder of MPEG-2.
Described TV master control borad and described PVR expansion control board can support to receive analog-and digital-television broadcasting signal, support to receive charge programme signal (CA), also support coupling to connect general-purpose interface (CI); The coherent signal process software programs that carries by cooperation, can support to receive and handle EPG, Teletext, Subtitle, MHEG-5, ATS, DVB-T digital television service signal, and the tuning processing of carrying out PAL/SECAM colour decoding and relevant sound accompaniment standard.
Described television system adopts the hardware connection mode of the two frameworks of master, and the communication interface and the I2C/UART agreement of utilization coupling communicate.Described TV master control borad receives the protocol signal of infrared remote control form, realizes basic function, automatic scan function, the EPG-related functions of existing television set OSD, and controls described PVR expansion control board be correlated with video recording, play operation.When described PVR expansion control board is operated under pattern, receive the I2C/UART communication interface standard control signal of described TV master control borad, according to the program recording channel and the beginning/concluding time of prior setting, automatically recording video program using.Described PVR expansion control board also can be operated under the holotype, receives the protocol signal of infrared remote control form, realizes function, automatic scan function, the EPG-related functions of OSD, by tuner program receiving be correlated with video recording, play operation.
Described TV master control borad and described PVR expansion control board adopt the same DTV of manufacturer chip and DVB-T set-top-box chip respectively.Adopt the hardware connection mode of the two frameworks of master, use a Digital Television single-chip as main control chip, with a television decoding chip as extended device, and share same operation and control the interface, carry out channel data exchange and order control by I2C/UART communication protocol, seamlessly constitute a binary channels PVR television system.
Embodiment of the present utility model does new synchronization mechanism definition by restudying the chip bsp driver from the operating system of bottom, accomplishes the shared same driver of twin-core sheet, has defined the communication interface between software and hardware agreement that can adapt to big data quantity simultaneously.The television system with binary channels PVR based on the twin-core sheet is integrated by unified bsp driver, cooperates stable communications protocol to realize powerful binary channels PVR function.
This utility model product meets the standard of European digital simulation TV, possesses Nicam, Teletext, and ATS, the DVB-T Digital Television, PAL/SECAM colour decoding and relevant sound accompaniment standard possess MHEG-5 Digital Television middleware function.And possessed two-way USB port and multimedia decoding ability, after connecting outside USB memory device, can carry out music, picture, video playback.Under digital television channel, possess recording function, both can record a video to current program, also can carry out Time Shift operation to current program, by electronic program guides (EPG), can carry out subscription and video recording, in the specific time specific program is recorded a video.Support the backstage video recording simultaneously, promptly can when watching a digital television program, the another one digital television program be recorded a video binary channels PVR most important function that Here it is on the backstage.Digital television program under the record can carry out playback at any time.When described television system is recorded TS, one group of audio frequency, video information of current playing program among the TS is converted to the MPG file of PS packet format, and be kept in the systemic presupposition catalogue in the described storage facilities, described MPG file is numbered the classification storage according to file size and time.
Function and technical indicator that described television system with binary channels PVR function has are as follows.
One, PVR part technical parameter index
A, imprinting function:
Record TS, convert a group of audio frequency, video information of current playing program among the TS MPG file of PS packet format to, and be kept in the storage facilities in the systemic presupposition catalogue, described MPG file is numbered classification according to size and time and stores;
Singly-bound is recorded current program, and can stop to record by singly-bound;
The maximum 3.9G byte of the single file of imprinting surpasses divided file is deposited;
Support recording of TV and RADIO program;
The reservation imprinting:
Via EPG or UI pre-recording specific program;
Support eight reservation imprintings at most;
Support periodic reservation and disposable reservation;
When the reservation conflict, can eject warning message;
The imprinting of Polymera background:
Can record while playing, see a channel, the program of the another one of imprinting simultaneously channel
B, storage device management:
Can delete single file and file;
Can rename operation to recorded file;
The imprinting file playback
But playback video in USB film/music/audio recording file
C, imprinting specification:
Input: MPEG2TS stream, ISO/IEC 13818-2.
Output: MPEG2PS bag, only contain single Video and Audio PID content, do not comprise TS contents such as Teletext, Subtitle, EPG, the output file video is " .MPG " file, audio frequency is " .MP3 " file, and can play on other can play the player of MPEG2PS.
D, file designation rule: channel designation (Program name) adds TRDA (date) and time (Hour Minute Second), as: BBC ONE (2008-07-23_12-34-56) .MPG, when recording for a long time when file size surpasses 3.9GB cutting file and is compiled the classification preservation automatically, as BBCONE (2008-07-23_12-34-56) 001.MPG.
Two, memory device and file system
System supports USB Mass Storage memory device to connect.
USB host support 2.0 and compatibility 1.1 are not supported card reader and USB Hub.
The file system of external device is supported FAT32/FAT.
System can support the connection of maximum four disk partition simultaneously.
But listed files display file quantity is 9999 to the maximum, and 9999 files are recorded in the maximum support of promptly same subregion.
The single file size of FAT/FAT32 file system be restricted to 4GB.
The maximum disk partition capacity of FAT file system is 4GB, and the FAT32 file system is then supported maximum disk partition capacity 2TB.
Three, function and the specification partly supported of TV:
Simulated television S-SYSTEM: PAL, SECAM
Simulated television sound accompaniment standard: B/G, D/K, I, L/L ' modulation; NICAM, the A2 stereophonic sound system
Digital Television standard: DVB-T COFDM 2K/8K QPSK, 16QAM, 64QAM
Decoding digital video ability: MPEG-1/2MP@HL, VC1 L3
Digital audio decoding ability: MPEG-1/2, Layer 1,2, MP3, WMA
Digital information function: Teletext (1000 pages), subtitle, EPG (electric program guide in a week)
Input port: YPrPb, PC RGB, CVBS, HDMI, SCART
Pattern of the input is supported: the highest 1366x76860Hz of PC RGB-
YPrPb/HDMI-480I，480P，576I，576P，720P，1080I，1080P
Supporting language: English, French, Spanish, Italian, Portuguese and German (optional)
Display resolution is supported: 1920x1080P 60Hz
The television system that adopts the utility model embodiment to provide with binary channels PVR function, can support analog-and digital-television broadcasting to receive simultaneously, support the conditionity of charge rating to receive (CA), also support general-purpose interface (CI), support EPG, Teletext, digital service functions such as Subtitle, MHEG-5.
Support twin-channel PVR function, can realize instant imprinting, standby reservation imprinting, EPG reservation imprinting, record while seeing, functions such as time shift is watched, back platform independent TV programme imprinting, the reservation imprinting also can be set the program of liking in advance, PVR can get off these section directories automatically, waits and watches free the time again.The EPG program guide shows the TV guide in a following week, realized that digital television program is selected and recorded more simply and easily, by time shift and recording function, client can suspend programme televised live or record following program so that watch future, thereby realizes rating control better.Television system of the present utility model can realize the equal television reception of present similar products at home and abroad, imprinting, storage, playback function, and product will have higher cost performance, and the hardware platform of selecting for use simultaneously has the typical products in mass production basis.
The above is a preferred implementation of the present utility model; certainly can not limit the interest field of the utility model with this; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvement and change, these improvement and change also are considered as protection range of the present utility model.
Claims (7)
1. television system with binary channels PVR function, comprise the TV master control borad that is provided with tuner, tuner, decoder, main control chip and first USB interface, it is characterized in that, also comprise the PVR expansion control board that is complementary and is connected with described TV master control borad, described PVR expansion control board comprises: tuner, control chip, second USB interface and the Data Control line interface and the audio-video signal line interface that are connected with described TV master control borad.
2. television system according to claim 1 is characterized in that, first USB interface on the described TV master control borad is used to connect memory device, the channel program content that storage receives; Second USB interface on the described PVR expansion control board is connected with memory device, is used for storing simultaneously the different channel programme content that receives.
3. television system according to claim 1 and 2, it is characterized in that, adopt the hardware connection mode of the two frameworks of master between described TV master control borad and the described PVR expansion control board, the I2C/UART communication interface standard that utilization is complementary, realize the program of a channel of a passage broadcast of described television system, another passage is recorded the program of identical or different channel simultaneously.
4. television system according to claim 3, it is characterized in that, when described PVR expansion control board is operated in holotype, receive the protocol signal of infrared remote control form, realize function, automatic scan function, the EPG-related functions of OSD, be correlated with video recording, play operation; When described PVR expansion control board is operated in from pattern, receive the I2C/UART communication interface standard control signal of described TV master control borad, according to the program recording channel and the beginning/concluding time of prior setting, automatically recording video program using.
5. television system according to claim 1 and 2, it is characterized in that, described PVR expansion control board is arranged in television set the inside or the set-top box, is connected with audio signal wire by I2C/UART Data Control bus, YPBPR video signal cable between described TV master control borad and the described PVR expansion control board.
6. television system according to claim 1 and 2, it is characterized in that, also comprise the displaying predetermined programme record device that is connected with described TV master control borad or described PVR expansion control board, be used for being provided with according to electronic program list in advance the channel and the beginning/concluding time of program recording, automatically recording video program using.
7. television system according to claim 1 and 2 is characterized in that, described TV master control borad also comprises the system data administrative unit, infrared remote control/button receiving element and MPEG-2 stream decoder; Described PVR expansion control board also comprises decoder and the YPBPR signal coder of MPEG-2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200611334U CN201577137U (en) | 2009-07-24 | 2009-07-24 | Television system with double-channel PVR function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009200611334U CN201577137U (en) | 2009-07-24 | 2009-07-24 | Television system with double-channel PVR function |
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| CN201577137U true CN201577137U (en) | 2010-09-08 |
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| CN2009200611334U Expired - Lifetime CN201577137U (en) | 2009-07-24 | 2009-07-24 | Television system with double-channel PVR function |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014102115A1 (en) | 2012-12-27 | 2014-07-03 | Arcelik Anonim Sirketi | A video recording device |
| US10057536B2 (en) | 2012-12-31 | 2018-08-21 | Arcelik Anonim Sirketi | Video recording device |
| CN111225281A (en) * | 2020-01-20 | 2020-06-02 | 珠海迈科智能科技股份有限公司 | Method for releasing PVR function of low-end set-top box terminal |
| CN113225510A (en) * | 2021-04-30 | 2021-08-06 | 深圳创维－Rgb电子有限公司 | Television program recording method, device, equipment and storage medium |
-
2009
- 2009-07-24 CN CN2009200611334U patent/CN201577137U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014102115A1 (en) | 2012-12-27 | 2014-07-03 | Arcelik Anonim Sirketi | A video recording device |
| US10057536B2 (en) | 2012-12-31 | 2018-08-21 | Arcelik Anonim Sirketi | Video recording device |
| CN111225281A (en) * | 2020-01-20 | 2020-06-02 | 珠海迈科智能科技股份有限公司 | Method for releasing PVR function of low-end set-top box terminal |
| CN113225510A (en) * | 2021-04-30 | 2021-08-06 | 深圳创维－Rgb电子有限公司 | Television program recording method, device, equipment and storage medium |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510663 Guangdong Province, Guangzhou high tech Industrial Development Zone, science 4, Xue Cheng Ke Zhu Road No. 192 5 floor Patentee after: Guangzhou CVT Electronics Technology Co., Ltd. Address before: 510663 Guangdong Province, Guangzhou high tech Industrial Development Zone, science 4, Xue Cheng Ke Zhu Road No. 192 5 floor Patentee before: Guangzhou Shiyuan Electronics Technology Co., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20100908 |
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| CX01 | Expiry of patent term |