CN104244038A - Set top box system - Google Patents
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- CN104244038A CN104244038A CN201410482292.7A CN201410482292A CN104244038A CN 104244038 A CN104244038 A CN 104244038A CN 201410482292 A CN201410482292 A CN 201410482292A CN 104244038 A CN104244038 A CN 104244038A
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Abstract
The invention provides a set top box system which comprises a first high-frequency head, a second high-frequency head, a third high-frequency head, a fourth high-frequency head, three first demodulation chips, a second demodulation chip and a central processor. The first high-frequency head, the second high-frequency head and the third high-frequency head are used for receiving satellite signals, the fourth high-frequency head is used for receiving ground signals, the three first demodulation chips are used for demodulating intermediate-frequency signals output by the first high-frequency head, and the second high-frequency head and the third high-frequency head respectively, the second demodulation chip is used for demodulating intermediate-frequency signals output by the fourth high-frequency head. The central processor is used for processing transport streams output by the three first demodulation chips and the second demodulation chip. According to the set top box system, the requirement for watching satellite signal programs and ground signal programs at the same time can be met, and program recording can be more flexible.
Description
Technical field
The present invention relates to a kind of digital television techniques field, more relate to a kind of set-top-box system.
Background technology
Along with growing TV user is to the requirement of content of multimedia and HDTV (High-Definition Television) ease for use, the PVR of high definition set top box and many tuners (Personal Video Recorder, digital video recorder) Set Top Box is extensively adopted in the family.The development of Digital Television has been not only the number of watching content, also comprises the flexibility watching place, watches the randomness of period.
The deficiency of existing Set Top Box: if need in one family to watch satellite-signal program, also need to watch ground signal program, so can only buy two Set Top Box respectively; Existing PVR Set Top Box only has one or two tuners, and the PVR Set Top Box restriction ratio of a tuner is more, and when watching real time programme, the program of transponder place frequency can only be recorded in backstage.The PVR set-top box background of two tuners can only record the program of a road across frequency, if there is program push (Push Vod) front end, recording function will be restricted, and possible user can only select to abandon recording.
Summary of the invention
The embodiment of the present invention provides a kind of set-top-box system, and in order to meet the demand of watching satellite-signal program and ground signal program simultaneously, and make performance recording more flexible, described set-top-box system comprises:
First tuner, the second tuner and third high be head frequently, for receiving satellite signal;
4th tuner, for receiving ground signal;
Three the first demodulation chips, are respectively used to carry out demodulation to the first tuner, the second tuner and the third high intermediate-freuqncy signal that head exports frequently;
Second demodulation chip, carries out demodulation for the intermediate-freuqncy signal exported the 4th tuner;
Central processing unit, processes for the transport stream exported described three the first demodulation chips and described second demodulation chip.
In an embodiment, described central processing unit comprises: the first port, the second port, the 3rd port, the 4th port, five-port, the 6th port, multiple demultiplexing module, audio decoder, Video Decoder and processing unit;
Wherein, first port, second port and the 3rd port are respectively used to the transport stream receiving described three the first demodulation chip outputs, the transport stream that 4th port exports for receiving described second demodulation chip, five-port is for receiving HDD (Hard Disk Drive, hard disk drive) in transport stream, 6th port is for receiving HDD REC (Hard Disk Drive Record, hard-disc recording) in transport stream, described multiple demultiplexing module is for receiving the first port, second port, 3rd port, 4th port, transport stream in five-port and the 6th port also carries out demultiplexing process, audio decoder is for receiving the voice data of described multiple demultiplexing module output and carrying out audio decoder, Video Decoder is for receiving the video data of described multiple demultiplexing module output and carrying out video decode, SEC (the Section that processing unit exports for the treatment of described multiple demultiplexing module, data segment) data, PES (Packet Elemental Stream, grouping elementary stream) data and TS (Transport Stream, transport stream) data.
In an embodiment, described SEC data, PES data and TS data comprise the relevant information of digital television business, described digital television business comprises that program is play in real time, performance recording, programme replay, program time shifting, program push and EPG (Electronic Program Guide, electronic program list) search.
In an embodiment, the first port, the second port are different from the demultiplexing module that the 4th port connects with the demultiplexing module that the 3rd port is connected;
Or the demultiplexing module that the demultiplexing module that the demultiplexing module that the first port, the second port are connected with the 3rd port, the 4th port connect, five-port connect is different.
In an embodiment, the first port, the second port, the 4th port, five-port connect from different demultiplexing module respectively;
Or the first port, the second port, the 3rd port, five-port connect from different demultiplexing module respectively;
Or the first port, the second port, the 4th port, the 6th port connect from different demultiplexing module respectively;
Or the first port, the second port, the 3rd port, the 4th port, five-port connect from different demultiplexing module respectively;
Or the first port, the second port, the 3rd port, the 4th port, five-port, the 6th port connect from different demultiplexing module respectively.
In an embodiment, the first tuner, the second tuner and third high frequently head receive three road satellite-signals specifically for adopting same coaxial cable.
In an embodiment, described central processing unit is also for carrying out OTA (Over the Air downloads) upgrading in the air by the transport stream of the first port, the second port, the 3rd port or the 4th port accepts.
The set-top-box system of the embodiment of the present invention, by the first tuner, the second tuner and third high head receiving satellite signal frequently, ground signal is received by the 4th tuner, thus satellite-signal program can be watched by a set of set-top-box system, also ground signal program can be watched, realize sky earth signal all standing, and support to record satellite-signal program and ground signal program simultaneously, and recording function is not by the restriction of front end program push.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.In the accompanying drawings:
Fig. 1 is the set-top-box system structural representation in the embodiment of the present invention;
Fig. 2 ~ Fig. 9 is that the cpu port in the embodiment of the present invention is connected embodiment schematic diagram with demultiplexing module.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly understand, below in conjunction with accompanying drawing, the embodiment of the present invention is described in further details.At this, schematic description and description of the present invention is for explaining the present invention, but not as a limitation of the invention.
In order to meet the demand of watching satellite-signal program and ground signal program simultaneously, and make performance recording more flexible, the embodiment of the present invention provides a kind of set-top-box system.Fig. 1 is the schematic diagram of set-top-box system in the embodiment of the present invention.As shown in Figure 1, in the embodiment of the present invention, set-top-box system can comprise:
First tuner Tuner1, the second tuner Tuner2 and third high be head Tuner3 frequently, is respectively used to receiving satellite signal DVB-S1, DVB-S2 and DVB-S3;
4th tuner Tuner4, for receiving ground signal DVB-T0;
Three first demodulation chips QPSK1, QPSK2, QPSK3, be respectively used to carry out demodulation to the first tuner Tuner1, the second tuner Tuner2 and the third high intermediate-freuqncy signal IF (Intermediate Frequency) that head Tuner3 exports frequently;
A second demodulation chip COFDM0, carries out demodulation for the intermediate-freuqncy signal IF exported the 4th high frequency tuner4;
Central processing unit (CPU), processes for the transport stream (TS) exported first demodulation chip QPSK1, QPSK2, QPSK3 and the second demodulation chip COFDM0.
During concrete enforcement, first tuner, the second tuner and the third high satellite-signal that head receives frequently can be DVB-S (Digital Video Broadcasting-Satellite, digital satellite video broadcasting) signal, the ground signal that 4th tuner receives can be DVB-T (Digital Video Broadcasting-Terrestrial, digital ground video broadcasting) signal, also can be DVB-T2 (Digital Video Broadcasting-Terrestrial 2, digital ground video broadcasting 2) signal.
First demodulation chip can be QPSK (Quadrature Phase Shift Keying, quarternary phase-shift keying (QPSK)) demodulation chip.When the ground signal that the 4th tuner receives is DVB-T signal, the second demodulation chip can be COFDM (Coded Orthogonal Frequency Division Multiplexing, Coded Orthogonal Frequency Division Multiplexing (COFDM)) demodulation chip; When the ground signal that the 4th tuner receives is DVB-T2 signal, the second demodulation chip can be OFDM (Orthogonal Frequency Division Multiplexing, OFDM) demodulation chip.
During concrete enforcement, central processing unit can comprise the first port P1, the second port P2, the 3rd port P3, the 4th port P4, five-port P5, the 6th port P6, multiple demultiplexing module (D1, D2, D3, D4, D5, D6 ...), audio decoder, Video Decoder and processing unit.
Wherein, the first port P1, second port P2 and the 3rd port P3 is respectively used to reception three the first demodulation chip QPSK1, QPSK2, the transport stream TS that QPSK3 exports, the transport stream TS that 4th port tuner4 exports for receiving the second demodulation chip COFDM0, five-port P5 for receiving the transport stream in HDD, the 6th port P6 for receiving the transport stream in HDD REC, multiple demultiplexing module (D1, D2, D3, D4, D5, D6 ...) for receiving the first port P1, second port P2, 3rd port P3, 4th port P4, transport stream TS in five-port P5 and the 6th port P6 also carries out demultiplexing process, and audio decoder is for receiving multiple demultiplexing module (D1, D2, D3, D4, D5, D6 ...) the voice data AUD ES that exports carry out audio decoder, Video Decoder is for receiving multiple demultiplexing module (D1, D2, D3, D4, D5, D6 ...) the video data VID ES that exports carry out video decode, processing unit is for the treatment of multiple demultiplexing module (D1, D2, D3, D4, D5, D6 ...) the SEC data that export, PES data, TS data.
During concrete enforcement, SEC data, PES data, TS data can comprise the relevant information of digital television business, and such as, other programme informations except voice data AUD ES and video data VID ES, as programm name, channel, EPG etc.Digital television business such as can comprise that such as program is play in real time, performance recording, programme replay, program time shifting, program push and EPG search etc.
When needing the program carrying out satellite-signal or ground signal to play in real time, audio, video data filters and decodes and outputs to the video screen of Digital Television by central processing unit, carries out program and plays in real time; When needs carry out performance recording, the transport stream TS in first demodulation chip QPSK1, QPSK2, QPSK3 or the second demodulation chip COFDM0 is stored in the internal or external hard disk of central processing unit by five-port P5 by central processing unit; When needs carry out programme replay, central processing unit reads hard disk institute recorded program transport stream by five-port P5, and be sent to demultiplexing module (D1, D2, D3, D4, D5 or D6 ...), again voice data AUD ES and video data VID ES is sent to the video screen of Digital Television, carries out programme replay; When needs carry out program time shifting, the transport stream TS in first demodulation chip QPSK1, QPSK2, QPSK3 or the second demodulation chip COFDM0 is temporarily stored in the internal or external hard disk of central processor CPU by the 6th port P6 by central processing unit; When needs carry out program searching (EPG search), programme information is sent to Digital Television by central processing unit, for program searching (EPG search); When needs carry out program push, program push information is sent to Digital Television by central processing unit, to inform user.
Connection between first demodulation chip QPSK1, QPSK2, QPSK3 and the second demodulation chip COFDM0 and the first port P1, the second port P2, the 3rd port P3 and the 4th port P4 is physical connection, and this corresponding annexation immobilizes after the Set Top Box of the embodiment of the present invention is dispatched from the factory.
During concrete enforcement, demultiplexing module (D1, D2, D3, D4, D5, D6 ...) and the port (the first port P1, the second port P2, the 3rd port P3, the 4th port P4, five-port P5, the 6th port P6) of central processor CPU can carry out multiple combination connection.The spare time be connected depending on tuner hurries and carries out, and when the spare time of tuner, the situation of hurrying changed, above-mentioned connection also respective change.Such as, as satellite-signal DVB-S1, DVB-S2 and ground signal DVB-T0 inputs the first tuner tuner1 respectively, during the second tuner tuner2 and the 4th tuner tuner4, first port P1, second port P2 and the 4th port P4 correspondingly will be connected to demultiplexing module D1 respectively, D2, D4, if now also have a road satellite-signal DVB-S3 to input, simultaneously, ground signal DVB-T0 before stops input, then demultiplexing module D3 will be connected to the 3rd port P3, and the first port P1 or the second port P2 can not be connected to, or stop connecting, simultaneously, the connection of demultiplexing module D4 and the 4th port P4 also will disconnect, thus form new connection combination, i.e. demultiplexing module D1, D2, D3 respectively with the first port P1, second port P2, 3rd port P3 connects.Various combination connects (binding) can be undertaken connecting (binding) or disconnecting (solution is tied up) by the application program in central processor CPU.
The number of demultiplexing module can be arranged flexibly, the transmission flow demultiplexing that a demultiplexing module can provide multiple port, the transmission flow demultiplexing that multiple demultiplexing module also can provide same port.Generally, can have 6 demultiplexing module (D1, D2, D3, D4, D5, D6), each demultiplexing module only connects a port (the first port P1, the second port P2, the 3rd port P3, the 4th port P4, five-port P5, the 6th port P6).
During concrete enforcement, the demultiplexing module that the demultiplexing module that the first port, the second port are connected with the 3rd port and the 4th port connect can be different.Fig. 2 ~ 4 are that the cpu port in the embodiment of the present invention is connected embodiment schematic diagram with demultiplexing module, as shown in figs. 2 to 4, first port P1 is connected with demultiplexing module D1, second port P2 is connected with demultiplexing module D2,3rd port P3 is connected with demultiplexing module D3,4th port P4 is connected with demultiplexing module D4, thus play in real time for the program of satellite-signal or ground signal, EPG search or program push.Existing Set Top Box maybe can only can only receive ground signal by receiving satellite signal, if user had not only wanted to watch satellite-signal program but also want to watch ground signal program, then need the Set Top Box of a preparation receiving satellite signal and the Set Top Box of a reception ground signal, but only need the set-top-box system of a playscript with stage directions inventive embodiments just can play the program of satellite-signal or ground signal easily in real time, EPG search or the program push of satellite-signal or ground signal can also be carried out whereby.In addition, two ports idle in the first port P1, the second port P2 and the 3rd port P3 can also be used to receive other two-way satellite-signal, for across other digital television business such as frequency performance recording, program push.
In another embodiment, the first port, the second port be connected with the 3rd port demultiplexing module, the 4th port connect demultiplexing module, five-port connect demultiplexing module can be different.Such as, be connected except cpu port in Fig. 2 ~ 4 and demultiplexing module are existing, again five-port P5 can also be connected with demultiplexing module D5, this connected mode of cpu port and demultiplexing module, except playing in real time for the program of satellite-signal or ground signal, EPG search or program push, can also carry out the recording of a road program, institute's recorded program can be satellite-signal, also can be ground signal.
In embodiment, the first port, the second port, the 4th port, five-port can connect from different demultiplexing module respectively.Fig. 5 is that the cpu port in the embodiment of the present invention is connected embodiment schematic diagram with demultiplexing module, as shown in Figure 5, first port P1, the second port P2, the 4th port P4, five-port P5 are connected with demultiplexing module D1, D2, D4, D5 respectively, thus for carrying out that program is play in real time simultaneously, program push and across frequency performance recording.
The existing Set Top Box containing a tuner can only record the program of transponder place, a road frequency when program is play in real time.The existing Set Top Box containing two tuners can record the program of a road across frequency when program is play in real time, if also have program push, then play in real time by program due to above-mentioned two tuners and taken across frequency performance recording business, so program push business is limited.But, the set-top-box system of the embodiment of the present invention is while satellite-signal program is play in real time, transponder frequency can be selected or across frequency satellite-signal performance recording, can also simultaneously push by face signal program, if also have road satellite-signal input the 3rd port P3, a demultiplexing module D3 to be connected with the 3rd port P3, then can also carry out satellite-signal program push simultaneously, or carrying out that program is play in real time, while program push, the recording of two-way or three road programs can also be carried out.
In embodiment, the first port, the second port, the 3rd port, five-port can connect from different demultiplexing module respectively.Fig. 6 is that the cpu port in the embodiment of the present invention is connected embodiment schematic diagram with demultiplexing module, as shown in Figure 6, first port P1, the second port P2, the 3rd port P3, five-port P5 are connected with demultiplexing module D1, D2, D3, D5 respectively, thus for when program is play in real time, carry out two-way across frequency performance recording simultaneously.Like this, user when watching a set of satellite-signal program, not only can record the satellite-signal program of this frequency, can also record other two cover satellite-signal programs, namely record the satellite-signal program of two-way across frequency.If also have a road ground signal input, demultiplexing module D4 is connected with the 4th port P4, can also record a road ground signal program so again.
In embodiment, the first port, the second port, the 4th port, the 6th port can connect from different demultiplexing module respectively.Fig. 7 is that the cpu port in the embodiment of the present invention is connected embodiment schematic diagram with demultiplexing module, as shown in Figure 7, first port P1, the second port P2, the 4th port P4, the 6th port P6 are connected with demultiplexing module D1, D2, D4, D6 respectively, thus for carrying out program time shifting, performance recording and program push simultaneously.That is, when carrying out satellite-signal program time shifting, carrying out a road across frequency satellite-signal performance recording and a road ground signal program push simultaneously, or carrying out a road ground signal performance recording and a road satellite-signal program push simultaneously.Or, when carrying out ground signal program time shifting, carry out a road satellite-signal performance recording and a road satellite-signal program push simultaneously.If also have road satellite-signal input the 3rd port P3, a demultiplexing module D3 to be connected with the 3rd port P3, then can also carry out performance recording or the program push of a road satellite-signal more simultaneously.
In embodiment, the first port, the second port, the 3rd port, the 4th port, five-port can connect from different demultiplexing module respectively.Fig. 8 is that the cpu port in the embodiment of the present invention is connected embodiment schematic diagram with demultiplexing module, as shown in Figure 8, first port P1, the second port P2, the 3rd port P3, the 4th port P4, five-port P5 are connected with demultiplexing module D1, D2, D3, D4, D5 respectively, thus for carrying out EPG search, performance recording and program push simultaneously.Namely, when the EPG search carrying out a road satellite-signal, carry out two-way satellite-signal performance recording and a road ground signal program push simultaneously, or carry out a road ground signal performance recording, a road satellite-signal performance recording and a road satellite-signal program push simultaneously.Or, when carrying out a road ground signal EPG and searching for, carry out a road satellite-signal performance recording and two-way satellite-signal program push simultaneously.
In embodiment, the first port, the second port, the 3rd port, the 4th port, five-port, the 6th port can connect from different demultiplexing module respectively.Fig. 9 is that the cpu port in the embodiment of the present invention is connected embodiment schematic diagram with demultiplexing module, as shown in Figure 9, first port P1, the second port P2, the 3rd port P3, the 4th port P4, five-port P5, the 6th port P6 are connected with demultiplexing module D1, D2, D3, D4, D5, D6 respectively, thus for playing in real time at program, EPG search, programme replay or program time shifting time, carry out performance recording, program push simultaneously.Namely, carrying out that satellite-signal program is play in real time, EPG search, programme replay or program time shifting time, carry out one or more satellite-signal or the performance recording of a road ground signal and program push simultaneously, or carrying out that ground signal program is play in real time, EPG search, programme replay or program time shifting time, carry out performance recording and the program push of one or more satellite-signal simultaneously.
In the embodiment of the present invention, the central processor CPU of set-top-box system can also contain internal memory (RAM) port, like this, the signal source of Digital Television can be not only satellite-signal from tuner and ground signal, can also carry out the programme signal of automatic network, hard disk etc.Internal memory (RAM) port can receive the programme signal transport stream of automatic network, hard disk etc., is resent to demultiplexing module process, and the processing procedure of transport stream is similar with embodiment above afterwards, does not repeat at this.
During concrete enforcement, three road satellite-signals (DVB-S1, DVB-S2, DVB-S3) can adopt multiple receive mode, such as, first tuner, the second tuner and third high frequently head adopt same coaxial cable to receive three road satellite-signals (DVB-S1, DVB-S2, DVB-S3), the complexity of circuit can be reduced like this, again can effective controller set-top box system cost.Certainly, reception three road satellite-signal can also be carried out with Multi-path electricity cable.
In embodiment, can be received the system upgrade data of the set-top-box system of the embodiment of the present invention by the tuner (the first tuner tuner1, the second tuner tuner2 and third high be head tuner3 frequently) of receiving satellite signal or the tuner (the 4th tuner tuner4) of reception ground signal, these system upgrade data can import the download system in set-top-box system CPU into.That is, in the embodiment of the present invention, the CPU of set-top-box system downloads OTA upgrading in the air by the transport stream that the first port P1, the second port P2, the 3rd port P3 or the 4th port P4 receive.Connect except utilizing external hard disk, network and carry out system upgrade, can also be upgraded by satellite-signal or ground signal, upgrading in time, is convenient to system maintenance.
In sum, the set-top-box system of the embodiment of the present invention, by the first tuner, the second tuner and third high head receiving satellite signal frequently, ground signal is received by the 4th tuner, thus satellite-signal program can be watched by a set of set-top-box system, also can watch ground signal program, realize sky earth signal all standing, and support to record satellite-signal program and ground signal program, and recording function is not by the restriction of front end program push simultaneously.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; the protection range be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a set-top-box system, is characterized in that, comprising:
First tuner, the second tuner and third high be head frequently, for receiving satellite signal;
4th tuner, for receiving ground signal;
Three the first demodulation chips, are respectively used to carry out demodulation to the first tuner, the second tuner and the third high intermediate-freuqncy signal that head exports frequently;
Second demodulation chip, carries out demodulation for the intermediate-freuqncy signal exported the 4th tuner;
Central processing unit, processes for the transport stream exported described three the first demodulation chips and described second demodulation chip.
2. set-top-box system as claimed in claim 1, it is characterized in that, described central processing unit comprises: the first port, the second port, the 3rd port, the 4th port, five-port, the 6th port, multiple demultiplexing module, audio decoder, Video Decoder and processing unit;
Wherein, first port, second port and the 3rd port are respectively used to the transport stream receiving described three the first demodulation chip outputs, the transport stream that 4th port exports for receiving described second demodulation chip, five-port is for receiving the transport stream in hard disk drive HDD, 6th port is for receiving the transport stream in hard-disc recording HDD REC, described multiple demultiplexing module is for receiving the first port, second port, 3rd port, 4th port, transport stream in five-port and the 6th port also carries out demultiplexing process, audio decoder is for receiving the voice data of described multiple demultiplexing module output and carrying out audio decoder, Video Decoder is for receiving the video data of described multiple demultiplexing module output and carrying out video decode, the data segment SEC data that processing unit exports for the treatment of described multiple demultiplexing module, grouping elementary stream PES data and transport stream TS data.
3. set-top-box system as claimed in claim 2, it is characterized in that, described SEC data, PES data and TS data comprise the relevant information of digital television business, and described digital television business comprises that program is play in real time, the search of performance recording, programme replay, program time shifting, program push and electronic program EPG.
4. set-top-box system as claimed in claim 3, is characterized in that:
First port, the second port are different from the demultiplexing module that the 4th port connects with the demultiplexing module that the 3rd port is connected;
Or the demultiplexing module that the demultiplexing module that the demultiplexing module that the first port, the second port are connected with the 3rd port, the 4th port connect, five-port connect is different.
5. set-top-box system as claimed in claim 3, is characterized in that:
First port, the second port, the 4th port, five-port connect from different demultiplexing module respectively;
Or the first port, the second port, the 3rd port, five-port connect from different demultiplexing module respectively;
Or the first port, the second port, the 4th port, the 6th port connect from different demultiplexing module respectively;
Or the first port, the second port, the 3rd port, the 4th port, five-port connect from different demultiplexing module respectively;
Or the first port, the second port, the 3rd port, the 4th port, five-port, the 6th port connect from different demultiplexing module respectively.
6. the set-top-box system as described in any one of claim 2 to 5, is characterized in that, the first tuner, the second tuner and third high frequently head receive three road satellite-signals specifically for adopting same coaxial cable.
7. the set-top-box system as described in any one of claim 2 to 5, is characterized in that, described central processing unit is also for downloading OTA upgrading in the air by the transport stream of the first port, the second port, the 3rd port or the 4th port accepts.
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| CN105898537A (en) * | 2016-06-23 | 2016-08-24 | 深圳创维数字技术有限公司 | Method and system supporting simultaneous broadcasting and recording of program sources of different modes |
| CN106028099A (en) * | 2016-05-20 | 2016-10-12 | 青岛海信电器股份有限公司 | Program recording method and device of television terminal, television terminal, and system |
| CN107566876A (en) * | 2017-09-26 | 2018-01-09 | 深圳佳力拓科技有限公司 | Set-top-box system that is a kind of while supporting multisignal source |
| CN108377413A (en) * | 2018-04-18 | 2018-08-07 | 深圳佳力拓科技有限公司 | It is a kind of to support while the set-top-box system and method for three road performance recordings |
| CN110557686A (en) * | 2019-09-27 | 2019-12-10 | 四川九州电子科技股份有限公司 | System and method for realizing playing satellite low-bit-rate live broadcast program by mobile terminal |
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| CN110557686A (en) * | 2019-09-27 | 2019-12-10 | 四川九州电子科技股份有限公司 | System and method for realizing playing satellite low-bit-rate live broadcast program by mobile terminal |
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