CN102946558A - Method and device for receiving broadcasting digital television by intelligent mobile phone - Google Patents
Method and device for receiving broadcasting digital television by intelligent mobile phone Download PDFInfo
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- CN102946558A CN102946558A CN2012104675628A CN201210467562A CN102946558A CN 102946558 A CN102946558 A CN 102946558A CN 2012104675628 A CN2012104675628 A CN 2012104675628A CN 201210467562 A CN201210467562 A CN 201210467562A CN 102946558 A CN102946558 A CN 102946558A
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Abstract
The invention discloses a device for receiving broadcasting digital television by an intelligent mobile phone. The device comprises a digital television streaming media transponder and an intelligent mobile phone terminal (5), wherein the intelligent mobile phone terminal (5) is used for receiving video and audio data stream of a digital television streaming media; the digital television streaming media transponder comprises a digital television tuner (1), an ARM (advanced RISC machines) system and a WIFI (wireless fidelity) network adapter; and a TS (transmission stream) de-multiplexing module (2), a ts stream distributing module (3) and a streaming media server (4) are arranged on the ARM system. The invention further discloses a method for receiving broadcasting digital television by the intelligent mobile phone. According to the technical scheme of the invention, the current widespread ground broadcast television coverage, and the situations that the intelligent mobile phones and intelligent PADs have many users are completely used; and through the digital television streaming media transponder, the intelligent mobile phones or the intelligent PADs can receive ground broadcast digital television or mobile digital television programs without flow.
Description
Technical field
The present invention relates to a kind of method and apparatus that receives broadcast digital TV, a kind of smart mobile phone receives the method and apparatus of broadcast digital TV specifically.
Background technology
Terrestrial broadcasting Digital Television (DTMB, DVB-T) has all realized covering at most cities at present, and mobile phone mobile digital TV (such as CMMB, T-DMB) has also been realized covering in national certain limit.The occasions such as present terrestrial broadcasting Digital Television receives out of doors, mobile reception have certain application, realize receiving by special broadcast digital TV receiver, but the customer volume less; More domestic brand embedded in mobile phone have the mobile phone television receiver module, but the mobile phone market occupation rate that built-in mobile TV receives is very little, causes market scale also always less.
User's receiving television broadcasting program has multiple possible approaches.Can receive the cable digital TV program at home; In the family or the office space that have broadband network to connect, people also can watch Web TV by the internet, perhaps enjoy the IPTV service; The place that wireless WIFI network connection is arranged, people also can pass through smart mobile phone, intelligent PAD browse network TV or video website, enjoy the digital video-audio program.
Based on above-mentioned analysis, the application of terrestrial broadcasting Digital Television and mobile phone television has been subject to larger extruding.In the place that does not have cable TV, broadband internet connection, wireless WIFI the Internet to connect, people just may selectively wide broadcast digital television or mobile digital TV.A kind of typical scheme is to adopt portable type ground broadcast digital TV terminal, can realize exempting from the traffic figure television reception, but in recent years, smart mobile phone and intelligent PAD user are very many, people's common practice hand-held intelligent mobile phone or PAD, can be not separately in order to watch digital television program, and select to buy separately portable type ground broadcast digital TV receiving terminal.
Existing portable type ground broadcast digital TV receiver, Mobile Digital Television Receiver, this two classes portable digital television receiver receiving terminal, be built-in with digital TV tuner, the functions such as transmission flow demultiplexing, digital video-audio source coding, Audio and Video playback are complete playback terminals.But need to buy separately receiving terminal, function is relatively single, can't form competition with smart mobile phone, uses and is subject to larger limitation.
Existing terrestrial broadcasting digital TV set-top box, mobile phone television set-top box, this two classes set-top box is finished terrestrial broadcasting Digital Television, the tuning reception of mobile television signal, obtain comprising transmission (TS) stream of multi-path digital TV programme, then carry out transport stream parsing, source coding by built-in source decoder, obtain digitized decoding video/audio signal, by HDMI, DVI, SPDIF digital interface, or CVBS, VGA, YCbCr, S-Video, RCA analog interface, output to the terminal equipments such as television set, liquid crystal display and look voice reproducing.But this class set-top box and looking between the audio frequency display terminal (television set, power amplifier) by cable connects, and receives the terrestrial broadcasting Digital Television, mobile digital TV needs set-top box and display terminal simultaneously; This solution is fit to relatively-stationary television reception, and the video/audio signal that smart mobile phone, intelligent PAD can't the receiving set up box demodulation.
Existing terrestrial broadcasting digital television stick, mobile television rod, this two classes kind digital television stick all passes through USB interface, connect on computers, television rod is as a hardware co-processor, finish terrestrial broadcasting Digital Television, the tuning reception of mobile television signal, obtain comprising the transport stream of multi-path digital TV programme, transport stream is transferred to computer through USB interface, depending on the audio frequency demultiplexing, look audio decoder and all have the software on the computer to realize, decoding receives but television rod needs computer, and television rod is as just coprocessor; The place that has the Internet to connect, the user can receive video-audio program by video website, and this application has been subject to larger limitation; This solution also is not easy to carry, and smart mobile phone, intelligent PAD can't receive the video/audio signal of television rod demodulation.
How being implemented on smart mobile phone or the intelligent PAD, exempting from flow and receive terrestrial broadcasting Digital Television or mobile digital TV program, is the key issue that solves present terrestrial broadcasting Digital Television and mobile phone mobile digital TV user covering.
Summary of the invention
In order to solve the above-mentioned technical problem that exists in the prior art, the invention provides the device that a kind of smart mobile phone receives broadcast digital TV, comprise Digital Television Streaming Media transponder and intelligent mobile phone terminal, the video/audio data flow of described intelligent mobile phone terminal receiving digital television Streaming Media, Digital Television Streaming Media transponder comprises digital TV tuner, ARM system and WIFI network adapter, and TS stream demultiplexing module, ts stream distribution module and streaming media server are arranged in the ARM system.
Further, described digital TV tuner includes DTMB, CMMB digital TV tuner.
Further, described streaming media server realizes that by the WIFI network adapter WIFI connects focus, advises that based on RTSP streaming media agreement streaming media connects between described intelligent mobile phone terminal and streaming media server.
Further, adopt ts stream distribution module between described TS stream demultiplexing module and the streaming media server, advise a plurality of data pipes, realize the ts stream distribution and copy.
The present invention also provides a kind of smart mobile phone to receive the method for broadcast digital TV, comprises the steps:
A. the TS that demodulates with digital TV tuner flows to TS stream demultiplexing module and carries out the decomposition of program stream;
B. the multi-channel program that decomposes flows to into ts stream distribution module, carries out ts stream and copies or distribute;
C. the ts of distribution is streaming to the streaming media server end, and a plurality of clients realize control and flow transmission by TCP and rstp agreement;
D. intelligent mobile phone terminal receives streaming ts stream, carries out source coding and playback.
Further, described digital TV tuner includes DTMB, CMMB digital TV tuner.
Further, described streaming media server realizes that by the WIFI network adapter WIFI connects focus, advises that based on RTSP streaming media agreement streaming media connects between described intelligent mobile phone terminal and streaming media server.
Description of drawings
Fig. 1 is the structural representation that smart mobile phone of the present invention receives the device of broadcast digital TV.
Embodiment
The present invention is further illustrated below in conjunction with accompanying drawing.
As shown in Figure 1, the device of smart mobile phone reception broadcast digital TV of the present invention comprises digital TV tuner 1, TS stream demultiplexing module 2, ts stream distribution module 3, streaming media server 4 and intelligent mobile phone terminal 5.Digital Television Streaming Media transponder comprises digital TV tuner 1, ARM system and WIFI network adapter.TS stream demultiplexing module 2, ts stream distribution module 3 and streaming media server 4 are arranged in the ARM system.
The method that smart mobile phone of the present invention receives broadcast digital TV comprises the steps: that TS that a. digital TV tuner 1 demodulates flows to TS stream demultiplexing module 2 and carries out the decomposition of program stream; B. the multi-channel program that decomposes flows to into ts stream distribution module 3, carries out ts stream and copies or distribute; C. the ts of distribution is streaming to streaming media server end 4, and a plurality of clients realize control and flow transmission by TCP and rstp agreement; D. intelligent mobile phone terminal receives streaming ts stream, carries out source coding and playback.
Digital TV tuner 1 of the present invention adopts DTMB, CMMB digital TV tuner, obtains containing the TS stream of multi-channel tv programs; The TS stream demultiplexing module 2 of ARM system is finished the program demultiplexing, obtains the single program transport stream ts1 that a plurality of clients need, ts2, ts3 etc.
Streaming media server in the ARM system, realize that by the WIFI network adapter WIFI connects focus, advise that based on RTSP streaming media agreement streaming media connects between client (mobile phone or intelligent PAD) and streaming media server, realize that video/audio data flow (RTSP data flow) is to the mobile phone transmission; Design can allow a plurality of client-requested.
Between TS stream demultiplexing module 2 and streaming media server 4, set up a plurality of data pipes, realize the ts stream distribution and copy, ts stream pipeline mechanism realizes by asynchronous FIFO, the video/audio data flow of parallel transmission multi-channel program (ts1, ts2, ts3), a plurality of smart mobile phones or PAD terminal realize that by the control of TCP control stream realization to TS stream demultiplexing multi-channel program stream is demultiplexed into the concurrent transmission of a plurality of intelligent terminals from TS.
Smart mobile phone of the present invention receives the device of broadcast digital TV in the place of terrestrial broadcasting Digital Television or mobile television signal covering, portable digital television Streaming Media transponder is placed on apart from (50-100 rice) in the smart mobile phone certain limit, and smart mobile phone or PAD terminal can realize that Digital Television exempts from flow and receive; A plurality of intelligent mobile phone terminals can access the transponder streaming media server simultaneously, can set up at most 4-5 RSTP protocol streams transmission simultaneously and connect; Smart mobile phone or intelligent PAD can select by player menus, by TCP control stream and asynchronous pipeline ts stream distribution and replicanism, select respectively different digital television programs, or select simultaneously same channel program, can realize switching at any time;
Portable Streaming Media transponder is apart from the smart mobile phone certain limit, realize digital television signal Streaming Media forwarding capability, smart mobile phone or intelligent PAD access transponder WIFI focus need not accessing Internet, realize Digital Television streaming media and broadcast in WLAN (wireless local area network).
A plurality of terminal access controls and data flow example
Each client and WIFI focus connect, and each client is distributed different Wireless LAN IP addresses.Server adopts static ip address.A plurality of clients obtain the list information of all programs by Transmission Control Protocol, after certain client is selected channel, by Transmission Control Protocol streaming media server 4 is issued in control information, after service end multithreading oracle listener detects the request of connecting or changes the platform request, change the TS stream that possible tuning carrier frequency obtains containing current program, disconnect current RTSP and connect, connect for rebuliding a RTSP between active client and the server, realize the stream transmission of Digital Television ts stream; A plurality of RSTP data connect concurrent transmission, share the channel width of WIFI local area network (LAN).
Realize the TS stream distribution mechanism example that a plurality of streaming medias connect
When being tuned at certain carrier frequency, the TS stream that digital TV tuner output contains multi-channel program adopts ts stream distribution module 3 between TS demultiplexing and the streaming media server, set up a plurality of data pipes, realizes the ts stream distribution and copies.If different clients is selected different programs, the ts stream that different pipeline FIFO are different; If the same program of certain several client-requested when setting up pipeline, copies ts stream so, guarantee FIFO stream normal transmission, realize that multi-channel program stream is demultiplexed into the concurrent transmission of a plurality of intelligent terminals from TS.
Adopt RTSP data flow and TCP control stream mechanism in the Digital Television Streaming Media transponder between streaming media server and smart mobile phone; For realizing the different programs of a plurality of client concurrent requests, adopt a plurality of data flow pipeline FIFO transmission mechanisms between TS stream demultiplexing and streaming media server.
Technical scheme of the present invention takes full advantage of current universal terrestrial broadcast television and covers, and smart mobile phone and intelligent PAD have very big customer volume present situation, by adopting Digital Television Streaming Media transponder, be implemented on smart mobile phone or the intelligent PAD, exempt from flow and receive terrestrial broadcasting Digital Television or mobile digital TV program.
Claims (7)
1. a smart mobile phone receives the device of broadcast digital TV, comprise Digital Television Streaming Media transponder and intelligent mobile phone terminal (5), the video/audio data flow of described intelligent mobile phone terminal (5) receiving digital television Streaming Media, Digital Television Streaming Media transponder comprises digital TV tuner (1), ARM system and WIFI network adapter, it is characterized in that: TS stream demultiplexing module (2), ts stream distribution module (3) and streaming media server (4) are arranged in the ARM system.
2. smart mobile phone as claimed in claim 1 receives the device of broadcast digital TV, and it is characterized in that: described digital TV tuner (1) includes DTMB, CMMB digital TV tuner.
3. smart mobile phone as claimed in claim 1 or 2 receives the device of broadcast digital TV, it is characterized in that: described streaming media server (4) realizes that by the WIFI network adapter WIFI connects focus, advises that based on RTSP streaming media agreement streaming media connects between described intelligent mobile phone terminal (5) and streaming media server (4).
4. smart mobile phone as claimed in claim 1 or 2 receives the device of broadcast digital TV, it is characterized in that: adopt ts stream distribution module (3) between described TS stream demultiplexing module (2) and the streaming media server (4), set up a plurality of data pipes, realize the ts stream distribution and copy.
5. the method for a smart mobile phone reception broadcast digital TV comprises the steps:
A. the TS that uses digital TV tuner (1) to demodulate flows to TS stream demultiplexing module (2) and carries out the decomposition of program stream;
B. the multi-channel program that decomposes flows to into ts stream distribution module (3), carries out ts stream and copies or distribute;
C. the ts of distribution is streaming to streaming media server end (4), and a plurality of clients realize control and flow transmission by TCP and rstp agreement;
D. intelligent mobile phone terminal (5) receives streaming ts stream, carries out source coding and playback.
6. smart mobile phone as claimed in claim 5 receives the method for broadcast digital TV, and it is characterized in that: described digital TV tuner (1) includes DTMB, CMMB digital TV tuner.
7. receive the method for broadcast digital TVs such as claim 5 or 6 described smart mobile phones, it is characterized in that: described streaming media server (4) realizes that by the WIFI network adapter WIFI connects focus, advises that based on RTSP streaming media agreement streaming media connects between described intelligent mobile phone terminal (5) and streaming media server (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012104675628A CN102946558A (en) | 2012-11-19 | 2012-11-19 | Method and device for receiving broadcasting digital television by intelligent mobile phone |
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| CN2012104675628A CN102946558A (en) | 2012-11-19 | 2012-11-19 | Method and device for receiving broadcasting digital television by intelligent mobile phone |
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| CN2012104675628A Pending CN102946558A (en) | 2012-11-19 | 2012-11-19 | Method and device for receiving broadcasting digital television by intelligent mobile phone |
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Cited By (4)
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| CN104125499A (en) * | 2014-07-11 | 2014-10-29 | 小米科技有限责任公司 | Method and device for playing television programs |
| WO2017020326A1 (en) * | 2015-07-31 | 2017-02-09 | 深圳市浪尖科技有限公司 | Mobile television pal |
| CN106791941A (en) * | 2016-12-28 | 2017-05-31 | 桂林龙隐科技有限公司 | Wireless WiFi multi-media broadcasting systems and method |
| CN113747220A (en) * | 2021-09-06 | 2021-12-03 | 合肥润东通信科技股份有限公司 | Method and system for realizing DVB (digital video broadcasting) receiving of mobile terminal based on coaxial gateway |
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| CN101079973A (en) * | 2006-12-12 | 2007-11-28 | 腾讯科技（深圳）有限公司 | A method and system for simultaneously playing multi-channel TV signals |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104125499A (en) * | 2014-07-11 | 2014-10-29 | 小米科技有限责任公司 | Method and device for playing television programs |
| CN104125499B (en) * | 2014-07-11 | 2017-01-18 | 小米科技有限责任公司 | Method and device for playing television programs |
| WO2017020326A1 (en) * | 2015-07-31 | 2017-02-09 | 深圳市浪尖科技有限公司 | Mobile television pal |
| CN106791941A (en) * | 2016-12-28 | 2017-05-31 | 桂林龙隐科技有限公司 | Wireless WiFi multi-media broadcasting systems and method |
| CN106791941B (en) * | 2016-12-28 | 2023-08-11 | 桂林龙隐科技有限公司 | Wireless WiFi multimedia broadcasting system and method |
| CN113747220A (en) * | 2021-09-06 | 2021-12-03 | 合肥润东通信科技股份有限公司 | Method and system for realizing DVB (digital video broadcasting) receiving of mobile terminal based on coaxial gateway |
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Inventor after: Yin Haibing Inventor after: Pan Zhili Inventor after: Yang Cheng Inventor before: Yin Haibing |
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Free format text: CORRECT: INVENTOR; FROM: YIN HAIBING TO: YIN HAIBING PAN ZHILI YANG CHENG |
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Application publication date: 20130227 |