CN101388975A - Multimedia broadcast television terminal and method for implementing radio function thereon - Google Patents
Multimedia broadcast television terminal and method for implementing radio function thereon Download PDFInfo
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- CN101388975A CN101388975A CNA2008101673696A CN200810167369A CN101388975A CN 101388975 A CN101388975 A CN 101388975A CN A2008101673696 A CNA2008101673696 A CN A2008101673696A CN 200810167369 A CN200810167369 A CN 200810167369A CN 101388975 A CN101388975 A CN 101388975A
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Abstract
The invention provides a multimedia broadcast television terminal and the method to realize radio reception function thereon. The multimedia broadcast television terminal comprises: a multimedia application module, a video decoder, a player and a demultiplexing module; the multimedia application module is used for starting the radio reception function, and after the radio reception function is started, notifying the multiplexing module to reject video code stream acquired from analysis, notifying the video decoder to stop decoding the video code stream, and notifying the player to stop displaying the video image; the demultiplexing module is used for rejecting video code stream acquired from analysis after receiving the notification of rejecting video code stream acquired from analysis; the video decoder is used for stopping decoding the video code stream after receiving the notification of stopping decoding the video code stream; the player is used for stopping displaying the video image after receiving the notification of stopping displaying the video image. The invention can realize the radio reception function on a multimedia broadcast television terminal, can improve the user experience while the signal received by the multimedia broadcast television terminal is poor, and can saver electricity comsuption.
Description
Technical field
The invention belongs to the multimedia broadcasting field, relate in particular to a kind of multimedia broadcast television terminal and reach the method that realizes function of radio receiver thereon.
Background technology
SARFT(The State Administration of Radio and Television) has issued CMMB (China Mobile MultimediaBroadcasting: industry standard China Mobile's DMB) in October, 06, determine to adopt the mobile TV acceptance criteria STiMi of China's independent research, this standard will be from enforcement on November 1 in 06 year.It is the system of first cover of domestic independent research towards mobile phone, PDA, MP3, MP4, digital camera, the multiple portable terminal of notebook computer, utilize the S-band satellite-signal to realize that " world " one covers, whole nation roaming, support 25 cover TV programme and 30 cover broadcast programs.
CMMB has stipulated in the broadcasting service frequency range, frame structure, chnnel coding and the modulation of mobile multimedia broadcast system broadcast channel transmission signals, this standard is applicable to that 30MHz is to the interior broadcasting service frequency of 3000MHz frequency range, via satellite and/or the broadcast system of multi-media signals such as terrestrial wireless emission TV, broadcasting, data message, can realize whole nation roaming.
The CMMB multimedia broadcast television terminal watches that effect is not subjected to the restriction of bandwidth, and the audio frequency and video quality is all very good generally speaking, but can not carry out interactive VOD.CMMB is in world-leading level at present on key indexs such as networking, transmission covering power, mobile receptivity, terminal power saving.
The real-time audio and video data streaming service is illustrated in fig. 1 shown below.Audio/video coding data encapsulation after the compression is the output of RTP/UDP/IP form, the IP bag covers with sufficient MTU value (＜1.5K byte), the data broadcasting packaging machine is sealed the RTP/UDP/IP that receives and is installed in the XPE payload, multiplexer is sealed XPE to install in the multiplexed sub frame data segment and is transmitted, through multiplexing, transmit by the CMMB radio network modulation back, multimedia broadcast television terminal is selected program and frequency range is set according to the user, receive the signal of respective program, through the multimedia broadcast television terminal demodulator, demultiplexing module, decoder and player, the user then can see the multimedia broadcast television terminal program.
Can see the TV programme that we select though use multimedia broadcast television terminal, demodulator provides interface, report signal receiving strength, and on the interface, show by application module, but it is bad or when interference is arranged when received signal, serious mosaic and noise appear probably, thereby cause TV reception normally, perhaps when the user when taking the vehicles such as train, the sensation dizziness does not want to see video, but when still thinking listening to audio, if continue the very big waste that receiver, video information can cause resource.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of multimedia broadcast television terminal and realizes the method for function of radio receiver thereon, can realize function of radio receiver at multimedia broadcast television terminal, can also improve the user experience under the bad situation of multimedia broadcast television terminal received signal, and economical power consumption.
In order to address the above problem, the invention provides a kind of method at multimedia broadcast television terminal realization function of radio receiver, comprising: multimedia broadcast television terminal stops video code flow being decoded after starting function of radio receiver, and stops displaying video information.
The upper limit threshold values of received signal is set further;
When the received signal of described multimedia broadcast television terminal starts function of radio receiver during less than described upper limit threshold values.
Further, comprise also whether the prompting user starts function of radio receiver, and it is then to start that the user selects, otherwise does not start during less than upper limit threshold values when the received signal of described multimedia broadcast television terminal;
After starting function of radio receiver, described multimedia broadcast television terminal shows static image, and text prompt user is function of radio receiver at this moment.
Further, close function of radio receiver during more than or equal to upper limit threshold values, recover video code flow is decoded, and recover displaying video information when the received signal of described multimedia broadcast television terminal.
Further, the user starts described function of radio receiver in the time of need starting function of radio receiver, and described multimedia broadcast television terminal shows static image, and text prompt user is a function of radio receiver;
When the user need close the function of radio receiver that has started, close described function of radio receiver, recover video code flow is decoded, and recover displaying video information.
The present invention also provides a kind of multimedia broadcast television terminal, comprising: multimedia application module, Video Decoder, player and demultiplexing module;
Described multimedia application module is used to start function of radio receiver, and starts behind the described function of radio receiver notice demultiplexing module and abandon the video code flow, the notice Video Decoder that parse and stop to decode, notify player to stop display video image to video code flow;
Described demultiplexing module abandons the video code flow that parses after being used to receive the notice that abandons the video code flow that parses;
Described Video Decoder stops video code flow being decoded after being used to receive the notice that stops video code flow being decoded;
Described player stops display video image after being used to receive the notice that stops display video image.
Further, described terminal also comprises demodulator;
Described demodulator is used to the upper limit threshold values of received signal is set and detect received signal, sends the message of received signal less than upper limit threshold values to the multimedia application module when also being used to detect received signal less than upper limit threshold values;
Described multimedia application module is used to receive that the notice demultiplexing module abandons the video code flow that parses after received signal is less than the message of upper limit threshold values, and the notice Video Decoder stop to video code flow decode, player stops display video image.
Further, described multimedia application module also is used to receive to point out the user whether to start function of radio receiver after received signal is less than the message of upper limit threshold values, it is then to start that the user selects, otherwise does not start; Described player shows static image after also being used to start function of radio receiver, and text prompt user is function of radio receiver at this moment.
Further, described demodulator also is used for sending received signal message more than or equal to upper limit threshold values more than or equal to upper limit threshold values to the multimedia application module when detected received signal;
Described multimedia application module is used to receive notifies demultiplexing module that the video code flow that parses is sent to Video Decoder after received signal is more than or equal to the message of upper limit threshold values, the notice Video Decoder recovers to decode, notify player to recover display video image to video code flow.
Further, described multimedia application module also is used for starting function of radio receiver when the user indicates when starting function of radio receiver, and the notice demultiplexing module abandons the video code flow, the notice Video Decoder that parse and stops to decode, notify player to stop display video image to video code flow;
Described multimedia application module also is used for closing function of radio receiver when the function of radio receiver that has started is closed in user's indication, and the notice demultiplexing module sends to the video code flow that parses Video Decoder, notifies Video Decoder to recover to decode, notify player to recover display video image to video code flow.
In sum, the invention provides a kind of multimedia broadcast television terminal and reach the method that realizes function of radio receiver thereon, following technique effect can be arranged:
The first, the user uses flexibly.The present invention is a little less than demodulator is reported received signal or reason such as rapid movement when causing the not smooth or flower screen of audio frequency and video serious, demodulator reports signal to the user, give user prompt information, whether open radio function, this function is will obtain the user to determine just can open this function; If the user also can be provided with in mobile phone and satisfy condition then open the function of radio reception automatically; The user can start radio function at any time according to own demand in seeing the multimedia broadcast television process simultaneously.After starting radio function, the user also can close radio function at any time, starts and close radio function to have any impact to the multimedia broadcast television effect.On the other hand, can avoid the video information that receives not smooth owing to when received signal is bad, start function of radio receiver, thereby improve the experience of user under the poor signal situation.
The second, economical power consumption.Because for CMMB multimedia broadcast television broadcasting service, there is not the restriction of transmission bandwidth, the multimedia broadcast television broadcast receiver is a control channel not, after video stream is received by the multimedia broadcast television terminal demodulator, demultiplexing module parses video information and then is dropped, without video decoder decodes and video player broadcast and the demonstration of LCD image, so can economical power consumption.
Description of drawings
Fig. 1 is a multimedia broadcast television terminal networking schematic diagram;
Fig. 2 is a multimedia broadcast television terminal structural representation of the present invention;
Fig. 3 is the flow chart of the inventive method.
Embodiment
Main design of the present invention is: multimedia broadcast television terminal received signal that demodulator detects is strong and weak relevant with the error rate of audio frequency and video, general signal is poor more, the audio frequency and the video error rate are high more, audio frequency and video effect are also just poor more, the audio frequency and video quality can be poor when the received signal intensity of multimedia broadcast television terminal is more weak, noise and mosaic might appear, the audio frequency and video quality can be poorer when received signal intensity is very weak, serious mosaic and noise can appear, when preventing user's TV reception since bad causing of received signal can't normally watch, the present invention is in order to overcome the problems referred to above, expected when received signal is bad, starting function of radio receiver, not only stopped display video information, and stop video code flow being decoded, can continue listening to audio like this, can also the amount of saving energy.
Present embodiment provides a kind of multimedia broadcast television terminal, comprises audio decoder, Video Decoder, player, demultiplexing module, demodulator, ESG module, multimedia application module; Indication multimedia broadcast television terminal of the present invention can but to be not limited to be the CMMB multimedia broadcast television terminal;
The multimedia application module is used for to demodulator acquisition request playlist, and offers user's selection after being used to receive playlist; Also be used for after the user selects program, notifying demodulator to receive the business datum of this program; The notice Video Decoder stops video code flow being decoded after also being used to start function of radio receiver, and the notice player stops displaying video, and the notice demultiplexing module abandons the video code flow that demultiplexing goes out; Also be used for notifying Video Decoder to recover video code flow is decoded after the user closes function of radio receiver, the notice demultiplexing module sends to Video Decoder with the video code flow that parses, and the notice player recovers display video information;
Start function of radio receiver and can be receiving after received signal intensity that demodulator is sent is less than the message of upper limit threshold values and start automatically, also can be to point out the user whether to need to start function of radio receiver earlier after receiving described message, when selecting to be, the user starts, otherwise do not start, can also be the user indicates the multimedia application module to start according to self needs at any time; And close function of radio receiver can be to close automatically after received signal intensity that demodulator is sent is more than or equal to the message of upper limit threshold values, also can be to receive to point out the user whether to need to close function of radio receiver after described received signal intensity is more than or equal to the message of upper limit threshold values earlier, the user closes when selecting to be, otherwise do not close, can also be the user indicates the multimedia application module to close the function of radio receiver that has started according to self needs at any time.
Demodulator is used for obtaining the basic description list of ESG from the ESG module, and sends it to demultiplexing module; The business data flow that also is used for receiving sends to demultiplexing module; Demodulator can also be used to be provided with the upper limit threshold values of received signal and detect received signal, when the received signal intensity that detects sends the message of received signal less than upper limit threshold values to the multimedia application module during less than upper limit threshold values, can also be used for sending the message of received signal more than or equal to upper limit threshold values to the multimedia application module more than or equal to upper limit threshold values when the received signal intensity that detects;
Demultiplexing module is used for the basic description list of ESG that demultiplexing is received, the playlist that obtains is sent to the multimedia application module; Demultiplexing module also is used for the business data flow that demultiplexing is received, and the audio code stream that parses is sent to audio decoder, and the video code flow that parses is sent to Video Decoder; Abandon the video code flow that demultiplexing goes out after also being used to receive the notice that abandons the video code flow that demultiplexing goes out, and receive after the video code flow that will parse sends to the notice of Video Decoder the video code flow that parses is sent to Video Decoder.
Audio decoder is used for audio code stream is decoded, and decoded audio-frequency information is sent to player;
Video Decoder is used for video code flow is decoded, and decoded video information sent to player, stop video code flow being decoded after also being used to receive the notice that stops to decode, and recover video code flow is decoded after receiving the notice that begins to decode, and decoded video information is sent to player;
Player is used for audio frequency of receiving and video information are play, and promptly offers user's TV programme by LCD (LCD) and loud speaker, watches for the user; LCD shows static picture after also being used to receive the notice that stops display video that the multimedia application module sends, and literal reminds that the user be the broadcast receiver state at this moment, and receives after the notice of recovery display video display video image again.
Present embodiment also provides a kind of method at multimedia broadcast television terminal realization function of radio receiver, as shown in Figure 3, may further comprise the steps:
Step 301: the user starts multimedia broadcast television, initialization multimedia broadcast television terminal, configuration demodulator operating frequency and the upper limit threshold values of received signal is set; This upper limit threshold values can be that multimedia broadcast television terminal is provided with according to received signal, also can be that the user is provided with as required.
Step 302: multimedia broadcast television terminal offers the user with the playlist that obtains and selects, and after the TV programme of selecting to want to watch as the user, receives the business data flow of this program, and watches to the user by player plays;
Step 303: the function of radio receiver that when needs start function of radio receiver, starts this multimedia broadcast television terminal, promptly abandon the video code flow that parses, stop video code flow being decoded, and stop display video image, only show static images, and literal is reminded, and the user is the broadcast receiver state at this moment by LCD;
The situation that need to start function of radio receiver can be, when the received signal of multimedia broadcast television terminal during less than upper limit threshold values this terminal start function of radio receiver automatically; Also can be arranged to when received signal during less than upper limit threshold values, whether the prompting user needs to start function of radio receiver, if to select be then to start function of radio receiver to the user, otherwise does not start; Can also be that the user starts function of radio receiver at any time according to own needs, and be not limited to start during less than upper limit threshold values when received signal.
Step 304: the function of radio receiver of when needs are closed function of radio receiver, closing this multimedia broadcast television terminal, promptly recover video code flow is decoded, and the recovery display video image, the user can see the multimedia broadcast television program image afterwards, hears multimedia broadcast television program sound;
The situation that need close function of radio receiver can be, when the received signal of multimedia broadcast television terminal during more than or equal to upper limit threshold values this terminal close the function of radio receiver that has started automatically; Can be arranged to also whether time prompting user needs to close function of radio receiver more than or equal to upper limit threshold values when received signal,, otherwise not close if to select be then to close to the user; Can also be that the user closes the function of radio receiver that has started at any time according to own needs.
Close the resource of release busy behind the multimedia broadcast television of watching as the user.
Provided by the inventionly realize that at multimedia broadcast television terminal the technology of radio reception and indication broadcast receiver at ordinary times can only listen to below the program of radio station existence of various frequency ranges different: the one, multimedia broadcast television terminal can not only be answered sound, can also see image at any time, common broadcast receiver then can only receive sound, can not see image; The 2nd, receive the audio-source difference, multimedia broadcast television terminal broadcast receiver sound source is a TV station, common broadcast receiver then sound source is the broadcasting station; The 3rd, the network difference, what the multimedia broadcast television terminal broadcast receiver used is multimedia broadcasting network, as can but to be not limited to be the CMMB network, be the common broadcast network and common broadcast receiver uses; The 4th, the terminal difference.
And the wireless difference of multimedia broadcast television terminal of the present invention and video telephone is also clearly: during the first multimedia broadcast television terminal radio reception only to hear sound, can not exchange voice messaging to the opposite end, the video telephone broadcast receiver then is to exchange voice messaging with the other side; The secondth, the two based on the network difference, the multimedia broadcast television terminal broadcast receiver is based on multimedia broadcasting network, as can but to be not limited to be the CMMB network, and the video telephone broadcast receiver is based on mobile communication network, be based on circuit domain 3G-324M protocol stack; The 3rd is that the two broadcast receiver realizes that principle is inequality, because for the multimedia broadcast television terminal broadcasting service, there is not the restriction of transmission bandwidth, the multimedia broadcast television terminal broadcast receiver is a control channel not, after video stream is received by multimedia broadcast television terminal, parsing video information then is dropped, do not decode and video playback, can economical power consumption, and for based on 3G-324M protocol stack video telephone, the resource that bandwidth still is of great value, the video telephone broadcast receiver needs control of video receive logic passage, at the broadcast receiver state, the opposite end does not send video data stream to local terminal; The 3rd is that multimedia broadcast television terminal broadcast receiver and video telephone broadcast receiver terminal are inequality.
Claims (10)
1, a kind of method at multimedia broadcast television terminal realization function of radio receiver, comprising: multimedia broadcast television terminal stops video code flow being decoded after starting function of radio receiver, and stops displaying video information.
2, the method for claim 1 is characterized in that, also comprises:
The upper limit threshold values of received signal is set;
When the received signal of described multimedia broadcast television terminal starts function of radio receiver during less than described upper limit threshold values.
3, method as claimed in claim 2 is characterized in that:
When the received signal of described multimedia broadcast television terminal comprises also whether the prompting user starts function of radio receiver, and it is then to start that the user selects, otherwise does not start during less than upper limit threshold values;
After starting function of radio receiver, described multimedia broadcast television terminal shows static image, and text prompt user is function of radio receiver at this moment.
4, as claim 2 or 3 described methods, it is characterized in that:
Close function of radio receiver when the received signal of described multimedia broadcast television terminal during more than or equal to upper limit threshold values, recover video code flow is decoded, and recover displaying video information.
5, the method for claim 1 is characterized in that:
The user starts described function of radio receiver in the time of need starting function of radio receiver, described multimedia broadcast television terminal shows static image, and text prompt user is a function of radio receiver;
When the user need close the function of radio receiver that has started, close described function of radio receiver, recover video code flow is decoded, and recover displaying video information.
6, a kind of multimedia broadcast television terminal is characterized in that, comprising: multimedia application module, Video Decoder, player and demultiplexing module;
Described multimedia application module is used to start function of radio receiver, and starts behind the described function of radio receiver notice demultiplexing module and abandon the video code flow, the notice Video Decoder that parse and stop to decode, notify player to stop display video image to video code flow;
Described demultiplexing module abandons the video code flow that parses after being used to receive the notice that abandons the video code flow that parses;
Described Video Decoder stops video code flow being decoded after being used to receive the notice that stops video code flow being decoded;
Described player stops display video image after being used to receive the notice that stops display video image.
7, terminal as claimed in claim 6 is characterized in that:
Described terminal also comprises demodulator;
Described demodulator is used to the upper limit threshold values of received signal is set and detect received signal, sends the message of received signal less than upper limit threshold values to the multimedia application module when also being used to detect received signal less than upper limit threshold values;
Described multimedia application module is used to receive that the notice demultiplexing module abandons the video code flow that parses after received signal is less than the message of upper limit threshold values, and the notice Video Decoder stop to video code flow decode, player stops display video image.
8, terminal as claimed in claim 7 is characterized in that:
Described multimedia application module also is used to receive to point out the user whether to start function of radio receiver after received signal is less than the message of upper limit threshold values, it is then to start that the user selects, otherwise does not start; Described player shows static image after also being used to start function of radio receiver, and text prompt user is function of radio receiver at this moment.
9, as claim 7 or 8 described terminals, it is characterized in that:
Described demodulator also is used for sending received signal message more than or equal to upper limit threshold values more than or equal to upper limit threshold values to the multimedia application module when detected received signal;
Described multimedia application module is used to receive notifies demultiplexing module that the video code flow that parses is sent to Video Decoder after received signal is more than or equal to the message of upper limit threshold values, the notice Video Decoder recovers to decode, notify player to recover display video image to video code flow.
10, terminal as claimed in claim 6 is characterized in that:
Described multimedia application module also is used for starting function of radio receiver when the user indicates when starting function of radio receiver, and the notice demultiplexing module abandons the video code flow, the notice Video Decoder that parse and stops to decode, notify player to stop display video image to video code flow;
Described multimedia application module also is used for closing function of radio receiver when the function of radio receiver that has started is closed in user's indication, and the notice demultiplexing module sends to the video code flow that parses Video Decoder, notifies Video Decoder to recover to decode, notify player to recover display video image to video code flow.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008101673696A CN101388975B (en) | 2008-10-22 | 2008-10-22 | Multimedia broadcast television terminal and method for implementing radio function thereon |
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| CN2008101673696A CN101388975B (en) | 2008-10-22 | 2008-10-22 | Multimedia broadcast television terminal and method for implementing radio function thereon |
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| CN101388975A true CN101388975A (en) | 2009-03-18 |
| CN101388975B CN101388975B (en) | 2010-08-18 |
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| CN2008101673696A Expired - Fee Related CN101388975B (en) | 2008-10-22 | 2008-10-22 | Multimedia broadcast television terminal and method for implementing radio function thereon |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101938641A (en) * | 2010-06-30 | 2011-01-05 | 无锡中星微电子有限公司 | Mobile multimedia broadcast television playing system and implementation method thereof |
| CN102118586B (en) * | 2009-12-31 | 2013-08-14 | 深圳Tcl新技术有限公司 | Television with custom broadcasting function display mode |
| CN105828144A (en) * | 2016-03-14 | 2016-08-03 | 乐视网信息技术（北京）股份有限公司 | Terminal control method and device |
| CN107888958A (en) * | 2017-11-15 | 2018-04-06 | 青岛海信电器股份有限公司 | A kind of method, equipment and storage medium for managing application |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100301825B1 (en) * | 1997-12-29 | 2001-10-27 | 구자홍 | Mpeg video decoding system and method of processing overflow of mpeg video decoding system |
| US7539391B2 (en) * | 2002-06-27 | 2009-05-26 | Nxp B.V. | Method and apparatus for trick-mode support of audio/video/data streams with conditional access |
-
2008
- 2008-10-22 CN CN2008101673696A patent/CN101388975B/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102118586B (en) * | 2009-12-31 | 2013-08-14 | 深圳Tcl新技术有限公司 | Television with custom broadcasting function display mode |
| CN101938641A (en) * | 2010-06-30 | 2011-01-05 | 无锡中星微电子有限公司 | Mobile multimedia broadcast television playing system and implementation method thereof |
| CN101938641B (en) * | 2010-06-30 | 2012-09-26 | 无锡中星微电子有限公司 | Mobile multimedia broadcast television playing system and implementation method thereof |
| CN105828144A (en) * | 2016-03-14 | 2016-08-03 | 乐视网信息技术（北京）股份有限公司 | Terminal control method and device |
| WO2017156929A1 (en) * | 2016-03-14 | 2017-09-21 | 乐视控股（北京）有限公司 | Method and device for controlling terminal |
| CN107888958A (en) * | 2017-11-15 | 2018-04-06 | 青岛海信电器股份有限公司 | A kind of method, equipment and storage medium for managing application |
| CN107888958B (en) * | 2017-11-15 | 2020-02-14 | 青岛海信电器股份有限公司 | Method, device and storage medium for managing application |
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| CN101388975B (en) | 2010-08-18 |
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