CN101001337A - Digital TV vedio recorder and record method thereof - Google Patents
Digital TV vedio recorder and record method thereof Download PDFInfo
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- CN101001337A CN101001337A CN 200610032981 CN200610032981A CN101001337A CN 101001337 A CN101001337 A CN 101001337A CN 200610032981 CN200610032981 CN 200610032981 CN 200610032981 A CN200610032981 A CN 200610032981A CN 101001337 A CN101001337 A CN 101001337A
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Abstract
This invention discloses a digital TV video recorder and its method for video recording, in which, the recorder includes a digital TV receiving demodulator, a digital TV decode processor, an AV interface circuit and a user interface circuit, the decode processor is connected with the demodulator, the video interface circuit and the user interface circuit by signals characterizing in also including a code stream storage interface circuit used in connecting storages, and the demodulator, the decode processor and the code stream storage interface circuit are connected by signals, which can realize separation of video recorders and storages.
Description
Technical field
The present invention relates generally to the digital television receiver field, more specifically to a kind of digital television recorders and video recording implementation method thereof.
Background technology
Present PVR (digital television recorders) mainly comprises Digital Television receiving demodulation device, system's master chip, memory, audio-video interface circuit, user interface circuit, system's master chip comprises digital TV decoding processor, code stream demodulation multiplexer, and system's master chip is connected with Digital Television receiving demodulation device, memory, audio-video interface circuit, user interface circuit signal.The implementation method of this digital television recorders is: Digital Television receiving demodulation device is demodulated into digital television code stream (or packet) with the digital television program that transmits in the digital television transmission channel; Pass through then that code stream demodulation multiplexer on the master chip is selected to filter to digital television code stream (or packet) and stored, playback on memory under the control of digital TV decoding processor; The digital TV decoding processing unit carries out decoding processing to digital television code stream (or packet), is connected through audio-video interface circuit and user's TV or other displays and loud speaker; User interface part is used for the user and carries out controls such as remote control, button.
There is the deficiency of following several respects in above-mentioned this video tape recorder:
1, the memory of rapid wear is integrated again advances video tape recorder with costliness, does not adopt interface circuit, does not realize separating of video tape recorder and memory, makes the user can't be to selecting memory device, memory capacity flexibly according to oneself needs and hobby.Initial stage owing to the manufacturing cost that has increased product and user's purchase has cost simultaneously, has influenced popularizing of this product.
2, TV decoding processor, code stream demodulation multiplexer, memorizer control circuit are located on the chip, make this chip become a kind of PVR special chip, cause adopting the design of this chip to be subjected to the restriction of decoding processor chip producer scheme, dumb, on the high side.
Summary of the invention
One of technical problem to be solved by this invention provides a kind of memory separates with it, and the user can be according to needs and the flexible digital television recorders of selecting memory device, memory capacity of hobby of oneself.
The present invention includes Digital Television receiving demodulation device, digital TV decoding processor, audio-video interface circuit, user interface circuit, the digital TV decoding processor is connected with television reception demodulator, video interface circuit, user interface circuit signal, it is characterized in that: also comprise a code stream via memory interface circuit that is used for connected storage, Digital Television receiving demodulation device, digital TV decoding processor are connected with code stream via memory interface circuit signal.
Above-mentioned code stream via memory interface circuit comprises code stream demodulation multiplexer, digital code stream-usb protocol transducer, usb circuit, and digital code stream-usb protocol transducer is connected with code stream demodulation multiplexer, usb circuit signal.USB is a kind of high speed digital interface, uses more convenient.
Above-mentioned code stream via memory interface circuit comprises code stream demodulation multiplexer, digital code stream-IEEE1394 protocol converter, IEEE1394 interface circuit, and digital code stream-IEEE1394 protocol converter is connected with code stream demodulation multiplexer, IEEE1394 interface circuit signal.IEEE1394 is a kind of general high-speed serial data bus, uses more convenient.
Above-mentioned code stream via memory interface circuit comprises code stream demodulation multiplexer, digital code stream-IEEE1394 protocol converter, IEEE1394 interface circuit, digital code stream-usb protocol transducer, usb circuit, digital code stream-usb protocol transducer is connected with code stream demodulation multiplexer, usb circuit signal, and digital code stream-IEEE1394 protocol converter is connected with code stream demodulation multiplexer, IEEE1394 interface circuit signal.The user can select to use different interfaces like this, has given the user bigger selection space.
Above-mentioned Digital Television receiving demodulation device is no less than two, and a plurality of Digital Television receiving demodulation devices are connected with the digital code stream switching matrix, and the digital code stream switching matrix connects and is connected with the code stream via memory interface circuit, the digital TV decoding processor connects.The user can be as required, selects to record one the road or play another road program the program of several roads the time.
The designed video tape recorder of the present invention has been owing to adopted the code stream via memory interface circuit, can realize separating of video tape recorder and memory.Equipment manufacturers can save the costliness integrated trouble of advancing video tape recorder of the memory of rapid wear again.The user has and can select memory device, memory capacity flexibly according to oneself needs and hobby simultaneously; Can also share expensive memory with apparatus such as computer.
Two of technical problem to be solved by this invention provides a kind of user can be according to needs and the flexible method that realizes digital video-record of selecting memory device, memory capacity of hobby of oneself.
This method may further comprise the steps:
A, Digital Television receiving demodulation device are demodulated into digital television code stream (or packet) with the digital television program of transmission in the digital television transmission channel (including but not limited to cable of cable TV, satellite antenna, terrestrial broadcasting antenna, other broadband networks);
B, process digital television code stream via memory interface circuit are selected to filter to digital television code stream (or packet) under the control of CPU and are stored on memory, playback.
C, digital TV decoding processing unit carry out decoding processing to digital television code stream (or packet), are connected through audio-video interface circuit and user's TV or other displays and loud speaker.
Demodulation when Digital Television receiving demodulation device can be realized multi-channel program in the above-mentioned steps A.Storage when can realize multi-channel program like this, and select to record one the road or several roads program in play another road program.
Interface among the above-mentioned step B adopts USB interface.USB is a kind of high speed digital interface, uses more convenient.
Interface among the above-mentioned step B adopts the IEEE1394 interface.IEEE1394 is a kind of general high-speed serial data bus, uses more convenient.
Interface among the above-mentioned step B has adopted USB interface and two kinds of interfaces of IEEE1394 interface.The user can select to use different interfaces like this, has given the user bigger selection space.
Method of the present invention proposes a kind of digital television signal to be stored method with playback by the novel high speed data/address bus in memory device, make the user can select memory device, memory capacity, satisfy the user to a greater extent Digital Television epoch program storage, the demand of watching.In order to save the holder resource, in memory interface, realized the selection of digital video bit stream and packet is filtered simultaneously.
Feature of the present invention and advantage will be elaborated in conjunction with the accompanying drawings by embodiment.
[description of drawings]
Fig. 1 represents the structured flowchart of digital television recorders of the present invention;
Fig. 2 represents the structured flowchart of a kind of embodiment of code stream via memory interface circuit of the present invention;
Fig. 3 represents the structured flowchart of a kind of embodiment of code stream via memory interface circuit of the present invention;
Fig. 4 represents the structured flowchart that two kinds of embodiment schemes of code stream via memory interface circuit of the present invention are used in combination.
Fig. 5 represents the structured flowchart of the embodiment of digital television recorders multi-channel program input of the present invention.
[embodiment]
Be illustrated in figure 1 as the structured flowchart of digital television recorders of the present invention.Digital Television receiving demodulation device is demodulated into digital television code stream (or packet) with the digital television program of transmission in the digital television transmission channel (including but not limited to cable of cable TV, satellite antenna, terrestrial broadcasting antenna, other broadband networks).Pass through then that the digital television code stream via memory interface circuit is selected to filter to digital television code stream (or packet) and stored, playback on memory under the control of CPU.The digital TV decoding processing unit carries out decoding processing to digital television code stream (or packet), is connected through audio-video interface circuit and user's TV or other displays and loud speaker.User interface part is used for the user and carries out controls such as remote control, button.
Embodiment 1
Fig. 2 is the structured flowchart of a kind of embodiment of digital television recorders code stream via memory interface circuit of the present invention.The code stream via memory interface circuit is made up of code stream demodulation multiplexer (selection filter), digital code stream-usb protocol transducer, usb circuit.Under the control of code stream demodulation multiplexer (selection filter) CPU in the digital TV decoding processor digital television code stream (packet) is filtered, select the code stream section (packet) that needs and deliver to digital code stream-usb protocol transducer and carry out the bus protocol conversion.Being connected with external or built-in USB interface memory, code stream (data) is stored in the memory by usb circuit.Content reverse conversion with storage during playback is that digital code stream (packet) is sent the digital TV decoding processor back to and decoded.
Embodiment 2
Fig. 3 is the structured flowchart of the another kind of embodiment of digital television recorders code stream via memory interface circuit of the present invention.The code stream via memory interface circuit comprises code stream demodulation multiplexer, digital code stream-IEEE1394 protocol converter, IEEE1394 interface circuit, and digital code stream-IEEE1394 protocol converter is connected with code stream demodulation multiplexer, IEEE1394 interface circuit signal.Be to have adopted IEEE1394 high-speed serial data bus as interface with the difference of Fig. 2.
Embodiment 3
The structured flowchart that Fig. 4 is used in combination for digital television recorders code stream via memory interface circuit various embodiments of the present invention.The code stream via memory interface circuit comprises code stream demodulation multiplexer, digital code stream-IEEE1394 protocol converter, IEEE1394 interface circuit, digital code stream-usb protocol transducer is connected with code stream demodulation multiplexer, usb circuit signal, and digital code stream-IEEE1394 protocol converter is connected with code stream demodulation multiplexer, IEEE1394 interface circuit signal.Integrated USB and IEEE1394 interface have been given the user bigger selection space in this example.
Embodiment 4
Fig. 5 is the embodiment of digital television recorders multi-channel program input of the present invention.The quantity of Digital Television receiving demodulation device is two, and two digital television reception demodulators are connected with the digital code stream switching matrix, and the digital code stream switching matrix connects and is connected with the code stream via memory interface circuit, the digital TV decoding processor connects.The user can be as required, selects to record one the road or play another road program the program of several roads the time.
Claims (10)
1, a kind of digital television recorders, comprise Digital Television receiving demodulation device, digital TV decoding processor, audio-video interface circuit, user interface circuit, the digital TV decoding processor is connected with television reception demodulator, video interface circuit, user interface circuit signal, it is characterized in that: also comprise a code stream via memory interface circuit that is used for connected storage, Digital Television receiving demodulation device, digital TV decoding processor are connected with code stream via memory interface circuit signal.
2, digital television recorders according to claim 1, it is characterized in that: above-mentioned code stream via memory interface circuit comprises code stream demodulation multiplexer, digital code stream-usb protocol transducer, usb circuit, and digital code stream-usb protocol transducer is connected with code stream demodulation multiplexer, usb circuit signal.
3, digital television recorders according to claim 1, it is characterized in that: above-mentioned code stream via memory interface circuit comprises code stream demodulation multiplexer, digital code stream-IEEE1394 protocol converter, IEEE1394 interface circuit, and digital code stream-IEEE1394 protocol converter is connected with code stream demodulation multiplexer, IEEE1394 interface circuit signal.
4, digital television recorders according to claim 1, it is characterized in that: above-mentioned code stream via memory interface circuit comprises code stream demodulation multiplexer, digital code stream-IEEE1394 protocol converter, IEEE1394 interface circuit, digital code stream-usb protocol transducer is connected with code stream demodulation multiplexer, usb circuit signal, and digital code stream-IEEE1394 protocol converter is connected with code stream demodulation multiplexer, IEEE1394 interface circuit signal.
5, digital television recorders according to claim 1, it is characterized in that: above-mentioned Digital Television receiving demodulation device is no less than two, a plurality of Digital Television receiving demodulation devices are connected with the digital code stream switching matrix, and the digital code stream switching matrix connects and is connected with the code stream via memory interface circuit, the digital TV decoding processor connects.
6, a kind of Digital Television video recording implementation method may further comprise the steps:
A, Digital Television receiving demodulation device are demodulated into digital television code stream with the digital television program that transmits in the digital television transmission channel;
B, process digital television code stream via memory interface circuit are selected to filter to digital television code stream under the control of CPU and are stored on memory, playback;
C, digital TV decoding processing unit carry out decoding processing to digital television code stream, are connected through audio-video interface circuit and user's TV or other displays and loud speaker.
7, video recording implementation method according to claim 6 is characterized in that: demodulation when Digital Television receiving demodulation device can be realized multi-channel program in the above-mentioned steps A, and select to record one the road or several roads program in play another road program.
8, video recording implementation method according to claim 6 is characterized in that: the interface among the above-mentioned step B adopts USB interface.
9, video recording implementation method according to claim 6 is characterized in that: the interface among the above-mentioned step B adopts the IEEE1394 interface.
10, video recording implementation method according to claim 6 is characterized in that: the interface among the above-mentioned step B has adopted USB interface and two kinds of interfaces of IEEE1394 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610032981 CN101001337A (en) | 2006-01-12 | 2006-01-12 | Digital TV vedio recorder and record method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610032981 CN101001337A (en) | 2006-01-12 | 2006-01-12 | Digital TV vedio recorder and record method thereof |
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| CN101001337A true CN101001337A (en) | 2007-07-18 |
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| CN 200610032981 Pending CN101001337A (en) | 2006-01-12 | 2006-01-12 | Digital TV vedio recorder and record method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009100612A1 (en) * | 2008-01-31 | 2009-08-20 | Mediatek Inc. | A wireless communication receiver, a wireless communication receiving method and a television receiver |
| CN107592563A (en) * | 2017-10-17 | 2018-01-16 | 东莞市博成硅胶制品有限公司 | A kind of video equipment converter and its application |
-
2006
- 2006-01-12 CN CN 200610032981 patent/CN101001337A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009100612A1 (en) * | 2008-01-31 | 2009-08-20 | Mediatek Inc. | A wireless communication receiver, a wireless communication receiving method and a television receiver |
| US8804049B2 (en) | 2008-01-31 | 2014-08-12 | Mediatek Inc. | Wireless communication receiver, a wireless communication receiving method and a television receiver |
| CN107592563A (en) * | 2017-10-17 | 2018-01-16 | 东莞市博成硅胶制品有限公司 | A kind of video equipment converter and its application |
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Effective date of registration: 20070713 Address after: Guangdong city of Shenzhen province Nanshan District Gao Xin Road SKYWORTH tower A 14 floor Applicant after: Shenzhen Skyworth RGB Electronic Co., Ltd. Address before: Guangdong city of Shenzhen province Nanshan District Gao Xin Road SKYWORTH building A13-16 Applicant before: Shenzhen Skyworth-RGB Electronics Co., Ltd. |
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