CN101873470A - Method and system for supporting user to play television program and record program simultaneously - Google Patents
Method and system for supporting user to play television program and record program simultaneously Download PDFInfo
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Abstract
The embodiment of the invention discloses a digital television system. The digital television system supports the interaction of a digital television and a set top box; a television signal output server of the digital television system is in charge of the output of an original television code stream; a program customized application server of the digital television system manages program channel information; an application server of the digital television system transmits the compressed code stream to the set top box through a video server; and an external storage of the set top box records the program by processing the compressed video code stream. The embodiment of the invention also discloses a method for supporting user to play a television program and record the program simultaneously. Due to the embodiment of the invention, by transmitting the code stream to the external storage of the set top box for storage by using a DSL transmission network, the functions of recording and playing back the program are realized.
Description
Technical field
The present invention relates to Digital Television and TV signal transmission technique field, be specifically related to system architecture and method of operation that a kind of user of support plays TV programme and performance recording simultaneously.
Background technology
Along with country to Digital Television do one's utmost promote and himself peculiar advantage, the popularity rate of Digital Television is more and more higher, the utilization rate of digital TV set-top box is also just more and more higher.By digital TV set-top box, Digital Television can realize the business function that enriches, for the user provides various more humane services.
Behind the television digitization, software engineering is occupied even more important position in the digital television techniques.Except the decoding of audio frequency and video is realized by hardware, comprise the reproduction of television content, the realization of operation interface, the realization of data broadcast service, until the interconnected of set-top box and personal computer and and the interconnected of Internet all need realize by software.
And IPTV IPTV utilizes computer or set-top box and TV to finish functions such as receiver, video request program, video broadcasting and surfing on the net.It adopts video compression technology efficiently, make the video flowing transmission bandwidth that view reception effect near DVD (the video flowing transmission bandwidth of DVD needs 3Mb/s usually) can be arranged when 800Kb/s, video class is professional to be waited as net cast on the internet, remote true video request program, program making to carrying out from now on, very strong advantage is arranged, and is a brand-new technology notion.
Past, what set-top box was exported is baseband signal, directly connecting image pick-up card just can record, what but TV card was recorded is the own restituted signal of RF, and Digital Television is by the set-top box demodulated baseband signal, must just can record with capture card, it is big to record out the TV memory space, relatively wastes the storage medium space.
In research and practice process to the method, the present inventor finds: existing digital TV set-top box does not generally provide the function of performance recording; If the set-top box that this function is provided is arranged, its general TV capture card that adopts is recorded, the TV programme of recording out is not owing to handle through overcompression, so the needs for the storage medium space are bigger, have relatively high expectations, be unfavorable for that the user stores program recording by demand, and complex operation when watching, unfriendly.On the other hand, set-top box has timer function when carrying out performance recording, but the user can only carry out the performance recording operation under the situation of not watching program generally speaking.
Summary of the invention
The invention provides the system and method that a kind of user of support plays TV programme and performance recording simultaneously, can be in conjunction with the characteristics of IPTV and digital TV set-top box, at first solve the original tv code stream storage of above traditional tv performance recording and shown difficult problem, next utilizes different communication network to finish the system and method that different functions has realized playing simultaneously TV programme and performance recording, makes the user record the TV programme of another channel when watching a certain channel TV program.
The invention provides a kind of digital television system, described digital television system supports the user to play the system of TV programme and performance recording simultaneously, described digital television system is supported the mutual of Digital Television and set-top box, the TV signal export server of described digital television system is responsible for the output of original tv code stream, the program customizing application management server program channel information of described digital television system, the application server of described digital television system is dealt into set-top box by the code stream that video server will compress, the set-top box external memorizer carries out performance recording by handling compressed video bit stream, wherein: when set-top box is communicated by letter with the TV programme transmission platform in Digital Television, interactive function with general Digital Television, and utilize the mode of the direct-connected TV signal export server of set-top box to obtain TV signal, set-top box and TV signal export server adopt special-purpose TV signal communication link, Digital Television is carried out playing programs after receiving the TV signal that set-top box obtains, described TV programme transmission platform major control TV signal export server and TV programme management server, the whole television channel program of unified management.
Described program customizing application server is used for supporting the TV programme management server on the user class level, and the request of process user, and the communication protocol of pressing certain rule sends the performance recording request to the TV programme management server, the information list that then goes out to obtain the channel correlation program from the TV programme management server is notified the user on the other hand, and be shown in the Digital Television, strengthen the interaction between user and the digital television service.Accordingly, the embodiment of the invention also provides a kind of user of support to play the method for TV programme and performance recording simultaneously, may further comprise the steps:
The set-top box initialization, to application server request the rendition list, the TV programme management server returns pertinent program information, and set-top box is obtained and is shown to the user after the information and watches for you to choose;
The user need to select can watch other channel programs voluntarily behind the recorded program according to actual needs, is in charge of user's request and is sent customized information to application server by set-top box, and the program of customization is the program of same period or different periods;
Management server communicates by TV programme transmission platform and program output system after receiving the customization request of set-top box, the original tv signal is dealt into video server handles;
Video server utilizes the compression algorithm of international standard will receive to such an extent that the original tv signal keeps the audio frequency and video compressed bit stream of certain mass through quantification, coding and boil down to, and passes through the DSL traffic channel on set-top box;
Set-top box is written on the external memory device of set-top box after receiving the audio frequency and video compressed bit stream of video server, and this moment, the user was still at the program of watching other same other channels of period.
In described set-top box initialization, described this machine of set-top box initialization system, and send this machine identification information and request type to application server, realize basic interactive function.
After selecting to need recorded program according to actual needs, described user can watch other channel programs voluntarily, be in charge of user's request and send customized information by set-top box to application server, the program of customization is in the program of same period or different periods, described user need to select the recorded program channel by set top box interactive interface, finishing changeable time another channel in request back watches, the recorded program channel can be read from external memorizer when needs playback, application server receives the user asks the back to send request to the program server, carries out follow-up work by the program transmission platform.
After selecting to need recorded program according to actual needs, described user can watch other channel programs voluntarily, be in charge of user's request and send customized information by set-top box to application server, the program of customization is in the program of same period or different periods, described application server belongs to intercommunication with communicating by letter of set-top box, and application server is responsible for the mutual of processor top box; Application server and belong to PERCOM peripheral communication with management server carries out the message transmission through communication protocol on Broadcasting Cable Network.
Communicate by TV programme transmission platform and program output system receive the customization request of set-top box at described management server after, the original tv signal is dealt into during video server handles, described management server mainly is responsible for the communication between each application server in the digital home network, and its receives the request of application server and disposes the work etc. of program output system and video server according to request type.
Utilize the compression algorithm of international standard will receive to such an extent that the original tv signal passes through the audio frequency and video compressed bit stream that quantification, coding and boil down to keep certain mass at described video server, and by during the DSL traffic channel is on the set-top box, generally carry out following operation behind the described video server received television signal, comprise: quantize, analyze, the motion prediction compensation, encoding compression, code stream output, code stream after compression outputs to set-top box through the DSL network according to the TCP/IP host-host protocol.
In after described set-top box receives the audio frequency and video compressed bit stream of video server, being written on the external memory device of set-top box, described external memorizer type is to have the USB external memorizer that writes read out function, only needs to operate according to the order of set-top box.
Described method also comprises, uses the program on the set-top box to playback function when the user is idle, and set-top box will be read the program that records from external memory device and is presented on the Digital Television then.
Because the embodiment of the invention adopts the system and method for supporting the user to play TV programme and performance recording simultaneously, therefore the user records the TV programme of another channel when watching a certain channel TV program, reach and satisfy the multifarious requirement of user interest, wait for that the user just playbacks recorded program of same period when idle, after utilizing international compression standard that the original tv signal is carried out compressed encoding simultaneously, utilize the DSL transmission network to pass to the storage of set-top box external memorizer, realized that performance recording and program playback function.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the digital family system structural representation in the embodiment of the invention;
Fig. 2 is the flow chart that the support user in the embodiment of the invention plays the method for TV programme and performance recording simultaneously;
Fig. 3 is the cellular construction figure that the set-top box in the embodiment of the invention realizes the performance recording function;
Fig. 4 is the functional block diagram of management function in the unit of the performance recording function in the embodiment of the invention;
Fig. 5 is the functional block diagram that playbacks functional unit in the unit of the performance recording function in the embodiment of the invention;
Fig. 6 is the video server process chart of the processing performance recording in the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making all other embodiment that obtained under the creative work prerequisite.
The embodiment of the invention provides a kind of support user to play TV programme and method of program recording simultaneously, can make the user when watching a certain channel TV program, record the TV programme of another channel, wait for that the user just playbacks recorded program of same period when idle.The embodiment of the invention also provides corresponding support user to play TV programme and performance recording system simultaneously.Below be elaborated respectively.
First embodiment
Referring to Fig. 1, support the user to play the system of TV programme and performance recording simultaneously, its hardware comprises: Digital Television, set-top box, set-top box circumscribed USB memory, program customizing application server, TV programme management server, TV signal export server, video server, TV signal communication link and DSL communication channel.
Wherein support the mutual of ordinary numbers TV and set-top box, its TV signal export server is responsible for the output of original tv code stream, its program customizing application management server program channel information, its application server is dealt into set-top box by the code stream that video server will compress, and the set-top box external memorizer carries out performance recording by handling compressed video bit stream.When set-top box was communicated by letter with the TV programme transmission platform in Digital Television, it had the interactive function of general Digital Television, and utilized the mode of the direct-connected TV signal export server of set-top box to obtain TV signal.Comprise that also set-top box and TV signal export server adopt special-purpose TV signal communication link, Digital Television is carried out playing programs after receiving the TV signal that set-top box obtains.TV programme transmission platform major control TV signal export server and TV programme management server, the whole television channel program of unified management.
The program customizing application server is mainly supported the TV programme management server on the user class level, its main request of process user on the one hand, and the communication protocol of pressing certain rule sends the performance recording request to the TV programme management server, the information list that then goes out to obtain the channel correlation program from the TV programme management server is notified the user on the other hand, and be shown in the Digital Television, strengthen the interaction between user and the digital television service.Video server is a kind of special-purpose embedded device that video/audio is compressed, stores and handles, here it mainly is that the channel program TV signal that needs are recorded is sent to set-top box through quantizing, compress to handle the back by the DSL transmission network, satisfies the needs that the user playbacks program recording.Video server is a kind of compression, the embedded device of handling video/audio, it by video/audio condensing encoder, I/O passage, network interface, look audio interface, RS485/RS232 serial line interface, protocol interface, software interface etc. and constitute.The compression algorithm that the video/audio condensing encoder is adopted international standards, and the network transmission function of support regulation agreement.Video server receives to be responsible for after the instruction of TV programme transmission platform TV programme signal through self compression algorithm Cheng Kejing DSL traffic channel to set-top box, and the external memorizer by set-top box carries out performance recording again.When the TV programme management server is used, be in charge of the TV programme resource, and user profile and programme information are managed, and the request of process user and call the control of video server and carry out TV code flow and quantize compressed encoding work.
The top box of digital machine here comprises digital television interactive unit (front end services), and the digital television interactive unit is responsible for gathering TV signal and is shown on the Digital Television and ordinary numbers TV interaction service function.The modulating-coding of channel-decoding, source coding, upstream data, embedded type CPU, MPEG-2 decompression, set-top box software, demonstration control and scrambling-descrambling technology are the major techniques of set-top box device.
When this hardware system was disposed, at first the set-top box in the system need have digital TV set-top box function general on the market, can carry out common digital television interactive operation; Secondly, this set-top box also needs to have the required hardware cell of performance recording, referring to Fig. 3, comprising: performance recording administrative unit 31 and program playback functional unit 32.
Referring to Fig. 4, described performance recording administrative unit 31 also comprises:
Performance recording administration module 41 is used for the relevant information of unified management customization performance recording, and comprise and check, add and delete recorded program lists, and the management custom tabular, customizing programming information is sent to application server by communication protocol.
The rendition list is checked module 42, uses specified communication protocol by obtaining the relevant information of program in the program server, tabulates but be used for listing recorded program according to tension management.
Performance recording adds module 43, adds this option to managing listings when being used for the user and adding the program recording option, waits for that administration module handles the request of transmission.
Performance recording removing module 44 is deleted this option when being used for the user and deleting the program recording option from managing listings, and cancellation customization request.
Referring to Fig. 5, described program playbacks functional unit 32, also comprises:
Program playbacks administration module 51, be used for the relevant broadcast information of unified management user recorded program, mainly comprise from external memorizer and read all programme informations of being recorded, and determine which program to playback now, perhaps from external memorizer, delete needless programs.
Program playbacks handover module 52, is used for the user and follows the program that need playback at the in progress channel program of Digital Television seamless switching.
Program playbacks decoder module 53, be used for reading the required programme information of watching of user from the circumscribed USB memory, this programme information form with compressed bit stream in storage medium exists, and decoder module is exactly compressed bit stream to be reduced to Digital Television through the calculating of encoding can supply the video segment of broadcast, because this compressed bit stream is with international compression standard encoding compression H.264/AVC, thereby can guarantee video quality preferably.
Program playbacks playing module 54, is used for above-mentioned compressed video bit stream is carried out being presented at Digital Television after the corresponding conversion work.
Referring to Fig. 6, the video code flow of compression be by video server with TV programme signal through self compression algorithm Cheng Kejing DSL traffic channel on the set-top box.
Video server is a kind of compression, the embedded device of handling video/audio, it by video/audio condensing encoder, I/O passage, network interface, look audio interface, RS485/RS232 serial line interface, protocol interface, software interface etc. and constitute.The compression algorithm that the video/audio condensing encoder is adopted international standards, and the network transmission function of support regulation agreement.
Here the video server that adopts adopts the H.264 compression algorithm of standard, and code stream reaches 720P resolution at least, reaches the Real Time Compression effect of 25fps at least, and supports the HTTP host-host protocol.
Here the video code flow transmission channel of Cai Yonging is DSL, and specifically, Digital Subscriber Line (DigitalSubscriber Line, be called for short DSL) is the general name to the technological package of the digital data transfer that provided on the local call netting twine.Hardware device is generally selected the ADSL of 2-4M for use, and the method for designing of native system is suitable for the applicable cases of digital home's integration of three networks.
In addition, described application server belongs to intercommunication with communicating by letter of set-top box, and application server is responsible for the mutual of processor top box; Application server and belong to PERCOM peripheral communication with management server can carry out the message transmission through communication protocol on Broadcasting Cable Network.The operational order of command forms is generally adopted in intercommunication, if the flush type LINUX system that set-top box adopts, the driver that passes through that then changes operational order and be LINUX system and equipment communicates; PERCOM peripheral communication can adopt various communications protocol to carry out mutual message transmission, for example can use XML form encapsulation performance recording request type here, uses the TCP/IP host-host protocol then, sends request and receiving feedback information through the DSL network.
According to another aspect of present embodiment, support the user to play the method for TV programme and performance recording simultaneously, referring to Fig. 2, may further comprise the steps:
Step S201, the set-top box initialization, to application server request the rendition list, the TV programme management server returns pertinent program information, and set-top box is obtained and is shown to the user after the information and watches for you to choose.
Described this machine of set-top box initialization system, and send this machine identification information and request type to application server, realize basic interactive function.
Step S202, the user need to select can watch other channel programs voluntarily behind the recorded program according to actual needs, mainly be in charge of user's request and sent customized information to application server by set-top box, the program of customization can be the program of same period or different periods.
Described user need to select the recorded program channel by set top box interactive interface, finishing changeable time another channel in request back watches, the recorded program channel can be read from external memorizer when needs playback, application server receives the user asks the back to send request to the program server, carries out follow-up work by the program transmission platform.
Described application server belongs to intercommunication with communicating by letter of set-top box, and application server is responsible for the mutual of processor top box; Application server and belong to PERCOM peripheral communication with management server can carry out the message transmission through communication protocol on Broadcasting Cable Network.
Step S203, management server communicate by TV programme transmission platform and program output system after receiving the customization request of set-top box, the original tv signal is dealt into video server handles.
Described management server mainly is responsible for the communication between each application server in the digital home network, and its receives the request of application server and disposes the work etc. of program output system and video server according to request type.
Step S204, video server utilize the compression algorithm of international standard will receive to such an extent that the original tv signal keeps the audio frequency and video compressed bit stream of certain mass through quantification, coding and boil down to, and pass through the DSL traffic channel on set-top box.
Generally carry out following operation behind the described video server received television signal, comprising: quantize, analyze, motion prediction compensation, encoding compression, code stream output.Code stream after compression outputs to set-top box through the DSL network according to the TCP/IP host-host protocol.
Step S205, set-top box is written on the external memory device of set-top box after receiving the audio frequency and video compressed bit stream of video server, and this moment, the user was still at the program of watching other same other channels of period.
Described external memorizer type can be has the USB external memorizer that writes read out function, only needs to operate according to the order of set-top box.
Step S206, user use the program on the set-top box to playback function when idle, set-top box will be read the program that records from external memory device and is presented on the Digital Television then.
Behind the program that the user selects to playback, set-top box is read external memorizer and has been stored program, replays in Digital Television then.This program exists with the form of compressed video bit stream.
In the present embodiment, at first, set-top box is carried out initialization operation, can be with reference to the ordinary numbers set-top box.
In step S201, set-top box is behind application server request the rendition list, and the rendition list checks that module obtains the information of related-program, as programm name, plays the period, summary info etc., and this module returns to the user with tabular form and selects then, and is as follows:
In step S202, set-top box can select XML data encapsulation and transformat to communicate, and each service request bag comprises the value of identification information and the request type of a set-top box STB, i.e. STBNO and TSTVID.Be that we utilize performance recording to add the function of module, select to record " line today one " program that this program generated query TSTVID adds that the NO of set-top box sends to application server and management server as service request then.The XML form encapsulation here is as follows:
<ChannelServiceRequest>
<StartOver>
<TSTVID>channelID</TSTVID>
<STBNO>stbno</STBNO>
</StartOver>
</ChannelServiceRequest>
The user selects to record and switches to another channel after this program function and watch the online television program, and this set-top box background service routine can carry out the work of recording of program automatically.
Wherein said application server is mainly supported the TV programme management server on the user class level, its main request of process user on the one hand, and the communication protocol of pressing certain rule sends the performance recording request to the TV programme management server, the information list that then goes out to obtain the channel correlation program from the TV programme management server is notified the user on the other hand, and be shown in the Digital Television, strengthen the interaction between user and the digital television service.
And described management server mainly is responsible for the communication between each application server in the digital home network, and its receives the request of application server and disposes the work etc. of program output system and video server according to request type.
In step S204, referring to Fig. 6, described video server connects and generally carries out following operation, comprise: received television signal 61, quantize and preliminary treatment 62, video compression coding 63, code stream after compression is through DSL Network Transmission 64, set-top box receives code stream 65, writes circumscribed USB memory 66 and program and playbacks and call 67.
What described video server adopted is H.264/AVC code compression method of international compression standard, H.264/AVC be exactly to utilize the complexity that realizes to obtain the obvious improvement of compression performance, comprise: infra-frame prediction, inter prediction, Variable Length Code based on context-adaptive, based on the binary arithmetic entropy coding of context-adaptive, Rate Control etc.
Owing to adopt H.264/AVC method, make communicating by letter between video server and the set-top box can adopt the DSL network to transmit, and can greatly reduce the consumption of memory space when writing storage medium, reach and record the more effect of Polymera.
In step S206, this embodiment is realized in the unit that utilizes program to playback function, comprise: the user utilizes program to playback the program that the administration module selection need playback, set-top box is read video code flow from external memorizer, the program decoder module is to the video code flow computing of decoding, and the performance recording playing module is play decoded vision signal.
In sum, because the embodiment of the invention adopts the system and method for supporting the user to play TV programme and performance recording simultaneously, therefore the user records the TV programme of another channel when watching a certain channel TV program, reach and satisfy the multifarious requirement of user interest, wait for that the user just playbacks recorded program of same period when idle, after utilizing international compression standard that the original tv signal is carried out compressed encoding simultaneously, utilize the DSL transmission network to pass to the storage of set-top box external memorizer, realized that performance recording and program playback function.
Above disclosed is a kind of preferred embodiment of the present invention only, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of doing according to claim of the present invention still belongs to the scope that the present invention is contained.
Claims (10)
1. digital television system, described digital television system supports the user to play the system of TV programme and performance recording simultaneously, it is characterized in that, described digital television system is supported the mutual of Digital Television and set-top box, the TV signal export server of described digital television system is responsible for the output of original tv code stream, the program customizing application management server program channel information of described digital television system, the application server of described digital television system is dealt into set-top box by the code stream that video server will compress, the set-top box external memorizer carries out performance recording by handling compressed video bit stream, wherein: when set-top box is communicated by letter with the TV programme transmission platform in Digital Television, interactive function with general Digital Television, and utilize the mode of the direct-connected TV signal export server of set-top box to obtain TV signal, set-top box and TV signal export server adopt special-purpose TV signal communication link, Digital Television is carried out playing programs after receiving the TV signal that set-top box obtains, described TV programme transmission platform major control TV signal export server and TV programme management server, the whole television channel program of unified management.
2. digital television system as claimed in claim 1, it is characterized in that, described program customizing application server is used for supporting the TV programme management server on the user class level, and the request of process user, and the communication protocol of pressing certain rule sends the performance recording request to the TV programme management server, the information list that then goes out to obtain the channel correlation program from the TV programme management server is notified the user on the other hand, and be shown in the Digital Television, strengthen the interaction between user and the digital television service.
3. support the user to play the method for TV programme and performance recording simultaneously for one kind, it is characterized in that, may further comprise the steps:
The set-top box initialization, to application server request the rendition list, the TV programme management server returns pertinent program information, and set-top box is obtained and is shown to the user after the information and watches for you to choose;
The user need to select can watch other channel programs voluntarily behind the recorded program according to actual needs, is in charge of user's request and is sent customized information to application server by set-top box, and the program of customization is the program of same period or different periods;
Management server communicates by TV programme transmission platform and program output system after receiving the customization request of set-top box, the original tv signal is dealt into video server handles;
Video server utilizes the compression algorithm of international standard will receive to such an extent that the original tv signal keeps the audio frequency and video compressed bit stream of certain mass through quantification, coding and boil down to, and passes through the DSL traffic channel on set-top box;
Set-top box is written on the external memory device of set-top box after receiving the audio frequency and video compressed bit stream of video server, and this moment, the user was still at the program of watching other same other channels of period.
4. method as claimed in claim 3 is characterized in that, in described set-top box initialization, and described this machine of set-top box initialization system, and send this machine identification information and request type to application server, realize basic interactive function.
5. method as claimed in claim 3, after selecting to need recorded program according to actual needs, described user can watch other channel programs voluntarily, be in charge of user's request and send customized information by set-top box to application server, the program of customization is in the program of same period or different periods, described user need to select the recorded program channel by set top box interactive interface, finishing changeable time another channel in request back watches, the recorded program channel can be read from external memorizer when needs playback, application server receives the user asks the back to send request to the program server, carries out follow-up work by the program transmission platform.
6. method as claimed in claim 3, it is characterized in that, after selecting to need recorded program according to actual needs, described user can watch other channel programs voluntarily, be in charge of user's request and send customized information by set-top box to application server, the program of customization is that described application server belongs to intercommunication with communicating by letter of set-top box in the program of same period or different periods, and application server is responsible for the mutual of processor top box; Application server and belong to PERCOM peripheral communication with management server carries out the message transmission through communication protocol on Broadcasting Cable Network.
7. method as claimed in claim 3, it is characterized in that, communicate by TV programme transmission platform and program output system receive the customization request of set-top box at described management server after, the original tv signal is dealt into during video server handles, described management server mainly is responsible for the communication between each application server in the digital home network, and its receives the request of application server and disposes the work etc. of program output system and video server according to request type.
8. method as claimed in claim 3, it is characterized in that, utilize the compression algorithm of international standard will receive to such an extent that the original tv signal passes through the audio frequency and video compressed bit stream that quantification, coding and boil down to keep certain mass at described video server, and by during the DSL traffic channel is on the set-top box, generally carry out following operation behind the described video server received television signal, comprise: quantize, analyze, the motion prediction compensation, encoding compression, code stream output, code stream after compression outputs to set-top box through the DSL network according to the TCP/IP host-host protocol.
9. method as claimed in claim 3, it is characterized in that, in after described set-top box receives the audio frequency and video compressed bit stream of video server, being written on the external memory device of set-top box, described external memorizer type is to have the USB external memorizer that writes read out function, only needs to operate according to the order of set-top box.
10. as each described method of claim 3 to 9, it is characterized in that, described method also comprises, uses the program on the set-top box to playback function when the user is idle, and set-top box will be read the program that records from external memory device and is presented on the Digital Television then.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102223511A (en) * | 2011-06-13 | 2011-10-19 | Tcl集团股份有限公司 | Television program recording and broadcasting method and system, and television device |
| CN102523411A (en) * | 2011-12-31 | 2012-06-27 | 青岛海信宽带多媒体技术有限公司 | Code stream recording method |
| CN106937068A (en) * | 2017-02-14 | 2017-07-07 | 广东九联科技股份有限公司 | A kind of Set Top Box video recording system and method |
| CN110213649A (en) * | 2019-06-28 | 2019-09-06 | 中科物栖（北京）科技有限责任公司 | A kind of multi-medium play method, device, system and multimedia connector |
| CN112333520A (en) * | 2020-10-30 | 2021-02-05 | Vidaa美国公司 | Program recommendation method, display device and server |
| CN112887783A (en) * | 2021-01-22 | 2021-06-01 | 广州视源电子科技股份有限公司 | Recording method, recording device, processor and electronic equipment of ATV code stream |
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| CN1617586A (en) * | 2003-11-12 | 2005-05-18 | 李健诚 | TV top set |
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| CN1617586A (en) * | 2003-11-12 | 2005-05-18 | 李健诚 | TV top set |
| CN1625248A (en) * | 2003-12-03 | 2005-06-08 | 北京中视联数字系统有限公司 | Data storage managing method of set-top box |
| WO2006077500A1 (en) * | 2005-01-19 | 2006-07-27 | Alcatel Lucent | Multicast distribution of streaming multimedia content |
| US20080300917A1 (en) * | 2005-10-25 | 2008-12-04 | Koninklijke Philips Electronics, N.V. | Interactive Patient Care System |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102223511A (en) * | 2011-06-13 | 2011-10-19 | Tcl集团股份有限公司 | Television program recording and broadcasting method and system, and television device |
| CN102223511B (en) * | 2011-06-13 | 2014-03-12 | Tcl集团股份有限公司 | Television program recording and broadcasting method and system, and television device |
| CN102523411A (en) * | 2011-12-31 | 2012-06-27 | 青岛海信宽带多媒体技术有限公司 | Code stream recording method |
| CN106937068A (en) * | 2017-02-14 | 2017-07-07 | 广东九联科技股份有限公司 | A kind of Set Top Box video recording system and method |
| CN110213649A (en) * | 2019-06-28 | 2019-09-06 | 中科物栖（北京）科技有限责任公司 | A kind of multi-medium play method, device, system and multimedia connector |
| CN112333520A (en) * | 2020-10-30 | 2021-02-05 | Vidaa美国公司 | Program recommendation method, display device and server |
| CN112887783A (en) * | 2021-01-22 | 2021-06-01 | 广州视源电子科技股份有限公司 | Recording method, recording device, processor and electronic equipment of ATV code stream |
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|---|---|
| CN101873470B (en) | 2012-09-12 |
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