CN201629792U - SD card realized PVR digital TV set top box - Google Patents
SD card realized PVR digital TV set top box Download PDFInfo
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- CN201629792U CN201629792U CN2010200593165U CN201020059316U CN201629792U CN 201629792 U CN201629792 U CN 201629792U CN 2010200593165 U CN2010200593165 U CN 2010200593165U CN 201020059316 U CN201020059316 U CN 201020059316U CN 201629792 U CN201629792 U CN 201629792U
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Abstract
The utility model provides a SD card realized PVR digital TV set top box, which comprises an SD card interface module, a remote controller interface module, a tuner, a tuner interface module and an AV output module which are connected one by one, and a PVR module. The PVR module is respectively connected to the SD card interface module, the remote controller interface module, the tuner interface module and the AV output module. Based on the prior set top box, a PVR module is added in order to real-time record programs through SD card technical. The utility model supports the PVR function without increasing the cost and is fit for improving any set top box requiring PVR function.
Description
[technical field]
The utility model relates to a kind of TV set-top box, and (Personal Video Recorder, the PVR) digital TV set-top box of function belong to digitlization terminal equipment field to relate in particular to a kind of personal video record of realizing by the SD card.
[background technology]
Traditional digital TV set-top box mainly is the passive TV programme of watching, if do not watch required program timely then can't watch again, has personal video record (PersonalVideo Recorder and have now, PVR) digital TV set-top box of function has realized recording at the program that the user is free to select to see, plays in any moment in later stage.In the time of can having simultaneously 2 favorite program to broadcast at the same time, select to watch one program, record and other one program is carried out the backstage.Present PVR digital TV set-top box adopts USB interface in a large number, and big capacity hard disk causes design complicated, is difficult for realizing technical difficulty height, the shortcoming that cost is big.
The digital TV set-top box development a kind of digital TV set-top box with the SD card occurred so far, therefore can be used.
[utility model content]
Major technology problem to be solved in the utility model is to provide a kind of PVR digital TV set-top box that realizes by the SD card, by increasing the PVR module, cooperates the SD card technique to realize real time programme is recorded.
The utility model is achieved in that a kind of PVR digital TV set-top box that realizes by the SD card, comprise SD card interface module, remote controller interface module, and the tuner, tuner interface module, the audio frequency and video output module that connect successively, wherein: also comprise a PVR module, this PVR module is connected with described SD card interface module, remote controller interface module and tuner interface module, audio frequency and video output module respectively.
Wherein, described PVR module further comprises a data recording module, one storage cache management module is looked the audio recording module, a PVR is provided with module, a SD card data read module, a SD card data writing module, a demultiplexing module, and an audio frequency and video module; Described SD card interface module, SD card data read module, data recording module, and the audio frequency and video module connects successively; Described demultiplexing module, look audio recording module, storage cache management module, SD card data writing module, SD card interface module and connect successively; Described tuner, tuner interface module, demultiplexing module, audio frequency and video module and audio frequency and video output module connect successively; Described PVR be provided with module respectively with remote controller interface module, data recording module, look the audio recording module and connect.
Advantage of the present utility model is: it mainly on existing basic model set-top box, has increased the PVR module, cooperates the SD card technique to realize real time programme is recorded.Realized on a small amount of basis that increases cost the support of personal video record (PVR) function, be applicable to simultaneously to transform on any set-top box that needs personal video record (PVR) function and realize.
[description of drawings]
In conjunction with the embodiments the utility model is further described with reference to the accompanying drawings.
Fig. 1 is a structured flowchart of the present utility model.
Fig. 2 is the detailed block diagram of Fig. 1.
[embodiment]
See also illustrated in figures 1 and 2, a kind of PVR digital TV set-top box 1 that realizes by the SD card of the present utility model, comprise SD card interface module 11, remote controller interface module 12, tuner 13, tuner interface module 14, audio frequency and video output module 15 and a PVR module 16.During use, it is connected SD card 2 and remote controller 3 respectively by described SD card interface module 11 and remote controller interface module 12.
Described PVR module 16 further comprises a data recording module 161, one storage cache management module 162, look audio recording module 163, a PVR is provided with module 164, a SD card data read module 165, a SD card data writing module 166, a demultiplexing module 167, an and audio frequency and video module 168; Described SD card interface module 11, SD card data read module 165, data recording module 161, and audio frequency and video module 168 connects successively; Described demultiplexing module 167, look audio recording module 163, storage cache management module 162, SD card data writing module 166, SD card interface module 11 and connect successively; Described tuner 13, tuner interface module 14, demultiplexing module 167, audio frequency and video module 168 and audio frequency and video output module 15 connect successively; Described PVR be provided with module 164 respectively with remote controller interface module 12, data recording module 161, look audio recording module 163 and connect.
The function of above-mentioned each module is expressed as follows:
Described SD card interface module 11: mainly finish the support that SD card 2 is inserted set-top box, finish the read-write operation of 1 pair of SD card 2 of set-top box;
Described remote controller interface module 12: mainly finish identification, reached input, use for the set-top box program to the remote controller code value to remote controller 3;
Described tuner 13, tuner interface module 14: mainly finish in the digital television signal reader top box 1 that radio and television operator is provided;
Described audio frequency and video output module 15: mainly finish the broadcast of real time programme, and the broadcast of program recording;
Described data recording module 161; Mainly finish the work of recording to the program data that comes to transmit in the set-top box demultiplexing module, and by real-time the writing data in the SD card of storage buffer module;
Described storage cache management module 162: mainly finish the buffering and the unloading of the data that the data recording module is sent here;
The described audio recording module 163 of looking: mainly finish the data that send from demultiplexing module store the SD card into by the storage buffer module control procedure.
Described PVR is provided with module 164: mainly finish the broadcast to PVR, suspend the relative set of memory location etc.;
Described SD card data read module 165: mainly finish the function that reads data recording processing module 161 of program from SD card 2 that records;
Described SD card data writing module 166: mainly finish the function that the data that record are written in the SD card 2 by storage cache management module 162;
Described demultiplexing module 167: mainly finish leaching, and data are sent to audio/video decoder (not shown) or data recording module 161 to digital television signal;
Described audio frequency and video module 168: finish broadcast to audio, video data.
Operation principle of the present utility model is:
Utilize the memory block of outside SD card 2 as performance recording, capacity can freely be selected by the user, with the duration of decision program recording.When playing real-time program, after the ts stream that the front end television network broadcast is transmitted by CABLE is taken corresponding program data through the demultiplexing module 167 of digital TV set-top box 1, when the user need carry out program data when recording, provide the rendition list to select required program for the user, the duration of recording can be set, and record from when beginning.After the program recording storage device is full, stop recording automatically to program.When the user watches different real time programmes, continually record user-selected program, and can not change owing to the user changes the program of watching.
When the program recording by user pausing operation, will stop to select recording of program data, continue to play the program that the user is watching now simultaneously; When user's program recording again, then start and carry out recording of program data, do not change the program that the user watches now simultaneously; When selecting to enter, the user watches when recording, stop demultiplexing module leaching real time programme, stop the broadcast of real time programme, stop to record of program data simultaneously, select the required program recording of watching by the recorded program tabulation for the user, provide menu to select to play the time of beginning for the user simultaneously, and use a teleswitch and 3 carry out fast forwarding and fast rewinding operation, program recording that system is selected according to the user and selected play start time are calculated required data and are read from SD card 2, send into the Video Decoder broadcast of decoding.
In sum, the utility model mainly on existing basic model set-top box, has increased the PVR module, cooperates the SD card technique to realize real time programme is recorded.Realized on a small amount of basis that increases cost the support of personal video record (PVR) function, be applicable to simultaneously to transform on any set-top box that needs personal video record (PVR) function and realize.
Claims (2)
1. PVR digital TV set-top box that realizes by the SD card, comprise SD card interface module, remote controller interface module, and the tuner, tuner interface module, the audio frequency and video output module that connect successively, it is characterized in that: also comprise a PVR module, this PVR module is connected with described SD card interface module, remote controller interface module and tuner interface module, audio frequency and video output module respectively.
2. the PVR digital TV set-top box that realizes by the SD card as claimed in claim 1 is characterized in that:
Described PVR module further comprises a data recording module, and a storage cache management module is looked the audio recording module, a PVR is provided with module, a SD card data read module, a SD card data writing module, a demultiplexing module, and an audio frequency and video module;
Described SD card interface module, SD card data read module, data recording module, and the audio frequency and video module connects successively;
Described demultiplexing module, look audio recording module, storage cache management module, SD card data writing module, SD card interface module and connect successively;
Described tuner, tuner interface module, demultiplexing module, audio frequency and video module and audio frequency and video output module connect successively;
Described PVR be provided with module respectively with remote controller interface module, data recording module, look the audio recording module and connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200593165U CN201629792U (en) | 2010-01-14 | 2010-01-14 | SD card realized PVR digital TV set top box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200593165U CN201629792U (en) | 2010-01-14 | 2010-01-14 | SD card realized PVR digital TV set top box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201629792U true CN201629792U (en) | 2010-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200593165U Expired - Fee Related CN201629792U (en) | 2010-01-14 | 2010-01-14 | SD card realized PVR digital TV set top box |
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| Country | Link |
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| CN (1) | CN201629792U (en) |
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2010
- 2010-01-14 CN CN2010200593165U patent/CN201629792U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101110 Termination date: 20150114 |
|
| EXPY | Termination of patent right or utility model |