CN101079973A - A method and system for simultaneously playing multi-channel TV signals - Google Patents
A method and system for simultaneously playing multi-channel TV signals Download PDFInfo
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- CN101079973A CN101079973A CN 200610124272 CN200610124272A CN101079973A CN 101079973 A CN101079973 A CN 101079973A CN 200610124272 CN200610124272 CN 200610124272 CN 200610124272 A CN200610124272 A CN 200610124272A CN 101079973 A CN101079973 A CN 101079973A
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000012545 processing Methods 0.000 claims description 8
- 239000000284 extract Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
- H04N21/4347—Demultiplexing of several video streams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43637—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/50—Tuning indicators; Automatic tuning control
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Telephone Function (AREA)
Abstract
This invention provides a method and a system for playing multi-channel TV signals simultaneously, in which, said method includes: A, setting up wireless connection between a receiving decoder of TV signals and a mobile terminal, B, the decoder receives TV signals and transmits them to a mobile terminal after it processes them, C, the mobile terminal receives said TV signals and plays TV programs corresponding to the signals, in which, the decoder converts received TV signals to streaming-media signals according to the needs of a mobile terminal to audio-video attribute and sends them to a mobile terminal independent of the TV set via the wireless channel and plays it.
Description
Technical field
The present invention relates to TV and moving communicating field, more particularly, relate to a kind of method and system of playing multi-channel TV signals simultaneously.
Background technology
Because the rise of Digital Television, TV signal receives decoding device and is known by people, this device is the conversion equipment that digital television signal is converted to analog signal, to the reduction of decoding through the image of digitalization compressed and voice signal, produce the video and the voice signal of simulation, by the television set TV reception.Typical TV signal receives decoding device and comprises set-top box, computer and digital TV integrated machine etc.
In present stage, TV signal receives decoding device can receive the two-way TV signal simultaneously, thereby can play the content of two channels simultaneously.Its broadcast mode is to take " picture-in-picture " mode to realize: channel of broadcast all over the screen, on screen, open the content that a little besel is play another channel simultaneously, and this broadcast mode is mainly used in and monitors or auxiliary channel selection.
But in the broadcast mode of prior art, besel has taken certain screen space, when certain spectators does not stop the content of channel selection change besel, can visually disturb other people to watch TV programme, brings inconvenience.In addition, this mode can only be play dubbing of key frame, and therefore dubbing and can not broadcasting simultaneously of besel institute play content can't be undertaken monitoring effectively and easily and channel selection by besel.
Therefore need a kind of method overcome the above-mentioned deficiency that besel brings, can play the content of a plurality of television channels simultaneously, and television channel is effectively monitored and channel selection not influencing under other people prerequisite of watching.
Summary of the invention
The object of the present invention is to provide a kind of system that plays multi-channel TV signals simultaneously, be intended to solve prior art and play in the process of multi-channel TV signals the problem of the convenience difference that aspect broadcast, supervision and channel selection, exists.
The present invention also aims to provide a kind of method of playing multi-channel TV signals simultaneously, to solve the above-mentioned problems in the prior art better.
In order to realize goal of the invention, the described system that plays multi-channel TV signals simultaneously comprises TV signal Rcv decoder and portable terminal, wherein said TV signal Rcv decoder comprises television signal receiver module, television signal decoder module, described portable terminal comprises the streaming media playing module, described TV signal Rcv decoder further comprises Streaming Media modular converter and audio/video flow transceiver module, and described portable terminal further comprises the audio/video flow transceiver module;
Described Streaming Media modular converter links to each other with the television signal decoder module, is used for extracting audio-video signal from described television signal decoder module, and according to portable terminal the requirement of audio frequency and video attribute is converted into the Streaming Media signal;
Set up between audio/video flow transceiver module in the described TV signal Rcv decoder and the audio/video flow transceiver module in the described portable terminal and the maintenance wireless connections, be used for described Streaming Media signal is transmitted.
Described TV signal Rcv decoder comprises set-top box, computer, digital TV integrated machine.
Described portable terminal comprises mobile phone, portable computer.
Described audio/video flow transceiver module is meant bluetooth equipment.
Described audio frequency and video attribute comprises the form and the size of described audio frequency and video.
In order to realize goal of the invention better, the described method of utilizing the described system of claim 1 to play multi-channel TV signals simultaneously may further comprise the steps:
A. between TV signal Rcv decoder and portable terminal, set up wireless connections;
B. described TV signal Rcv decoder received television signal carries out sending to described portable terminal after the signal processing;
C. described portable terminal receives described TV signal, and plays the TV programme of described TV signal correspondence.
Described step B further comprises:
B1. described TV signal Rcv decoder received television signal;
B2. described TV signal is carried out signal processing, described signal processing comprises: the described TV signal of decoding, and the requirement of audio frequency and video attribute is converted to the Streaming Media signal with described TV signal according to described portable terminal;
B3. described Streaming Media signal loading is arrived the wireless channel of described wireless connections correspondence, and be sent to described portable terminal.
Audio frequency and video attribute among the described step B2 comprises the form and the size of audio frequency and video.
Described step C further comprises:
C1. described portable terminal receives described Streaming Media signal from described wireless channel, and extracts audio/video flow;
C3. in described portable terminal, play the TV programme of described audio/video flow correspondence.
Described portable terminal comprises mobile phone, portable computer.
Among the present invention, the TV signal Rcv decoder is converted to Streaming Media signal according to portable terminal (as mobile phone) to the requirement of audio frequency and video attribute with received TV signal, and be sent in the portable terminal that is independent of television set by wireless channel and play, improving convenience aspect the watching of TV programme, supervision and the channel selection.
Description of drawings
Fig. 1 is a system construction drawing of playing multi-channel TV signals among the present invention simultaneously;
Fig. 2 is a method flow diagram of playing multi-channel TV signals among the present invention simultaneously.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Among the present invention, the TV signal Rcv decoder receives multi-channel TV signals, and will be wherein one tunnel TV signal according to portable terminal (as mobile phone) requirement of audio frequency and video attribute is converted to Streaming Media (StreamingMedia, SM) signal, be sent to portable terminal by wireless channel then, in portable terminal, play this TV signal, this broadcast mode is independent of television set, so can not disturb to cause vision by other people of television set TV reception, and can monitor fully effectively and channel selection, greatly improved the convenience of operation.
Fig. 1 shows the system configuration of playing multi-channel TV signals among the present invention simultaneously, and this system comprises TV signal Rcv decoder 100 and portable terminal 200.
Wherein, TV signal Rcv decoder 100 typically can be set-top box, computer and digital TV integrated machine etc., and it comprises television signal receiver module 101, television signal decoder module 102, Streaming Media modular converter 103 and audio/video flow transceiver module 104.200 of portable terminals typically can be mobile phone, portable computer etc., and set up wireless connections between the TV signal Rcv decoder 100, and it comprises audio/video flow transceiver module 201 and streaming media playing module 202.
Television signal receiver module 101 is used for according to the customer requirements received television signal, in an application of the invention, this television signal receiver module 101 can receive multi-channel TV signals simultaneously, these TV signal are image and the voice signal through digitalization compressed, therefore it will be delivered in the television signal decoder module 102 and decode.
Television signal decoder module 102 links to each other with television signal receiver module 101, is used for the reduction of decoding through the image of digitalization compressed and voice signal is produced the video and the voice signal of simulating, and could pass through the television set TV reception.TV signal program module 102 is decoded digital television signal and is reduced to the process of anolog TV signals, is equivalent to a process that audio/video flow is extracted.
Streaming Media modular converter 103 links to each other with television signal decoder module 102, is used for audio/video flow that television signal decoder module 102 is extracted and according to portable terminal 200 (for example, mobile phone) attribute specification of audio frequency and video is converted to corresponding Streaming Media signal.The file of stream media format has passed through special compressed encoding, can be implemented in the network and play while downloading, rather than will could play after the whole downloads of whole audio-video document, the user listens to and watches that the network audio-video file then is the process of a decompression, about the detailed content of stream media technology, can with reference to beautifully show by opening, the China Youth Press is in " the stream media technology complete works " of publication on November 1 calendar year 2001.The attribute specification of herein mentioning, comprise aspects such as the form of audio frequency and video and size, because the audio frequency and video requirement in these areas that television set and portable terminal (for example, mobile phone) are play and inequality, so will play multi-channel TV signals simultaneously, carry out the attribute adjustment and be absolutely necessary.
Audio/video flow transceiver module 104 is set up with the audio/video flow transceiver module 201 in the portable terminal 200 and is also kept wireless connections, and the Streaming Media signal loading of Streaming Media modular converter 103 outputs to wireless channel, and is sent to portable terminal 200.Among the present invention, audio/video flow transceiver module 104 and 200 is bluetooth equipments, generally is meant Bluetooth chip and supporting software product thereof, is used to set up wireless connections.
Audio/video flow transceiver module 201 in the portable terminal 200 is after setting up wireless connections with audio/video flow transceiver module 104, then be used to receive the TV signal that audio/video flow transceiver module 104 is sent, also promptly from wireless channel, receive the Streaming Media signal carried out after the attribute conversion, and decode, then it is delivered in the streaming media playing module 202 and play.
Streaming media playing module 202 links to each other with audio/video flow transceiver module 201, is used for the audio/video flow that playing audio-video stream transceiver module 201 sends over, thus the TV programme that the machine that can teleview in portable terminal 200 is transmitted.This streaming media playing module 202 is playout softwares that operate in the portable terminal 200, as DST PLAYER that people used always etc.
Fig. 2 shows the method flow of playing multi-channel TV signals among the present invention simultaneously, may further comprise the steps:
In step S201, between TV signal Rcv decoder 100 and portable terminal 200, set up wireless connections by audio/video flow transceiver module 104 and 201.In the present invention, TV signal Rcv decoder 100 typically can be set-top box, computer and digital TV integrated machine etc., 200 of portable terminals typically can be mobile phone, portable computer etc., audio/video flow transceiver module 104 and 201 is bluetooth equipment, in one embodiment, its concrete connection is set up process and is: audio/video flow transceiver module 104 is typically Bluetooth adapter, be set and be discoverable mode, 201 of audio/video flow transceiver modules in the portable terminal 200 adopt search pattern that the bluetooth equipment in the certain limit is searched for, and the equipment that searches is used the method for screening target device filter, obtain a bluetooth device address that will connect, thereby set up wireless connections.About the relevant detailed content of Bluetooth technology, can be with reference to bluetooth official website, network address is
Http:// chinese.bluetooth.com/bluetooth/
Should be noted that in the present invention, if portable terminal 200 is play the audio/video program that television set is transmitted for the first time, so step S201 not necessarily institute in steps before, also can carry out synchronously with step S202 and S203.After this, TV signal Rcv decoder 100 is keeping wireless connections with portable terminal 200, does not then need to rebulid connection when transmitting audio/video program more again.
In step S202, the television signal receiver module 101 beginning received television signals in the TV signal Rcv decoder 100 in the present invention, can receive multi-channel TV signals simultaneously, and these TV signal are image and the voice signal through digitalization compressed.
In step S203,100 pairs of TV signal of TV signal Rcv decoder are carried out signal processing, comprise decoding and attribute adjustment: (1) owing to TV signal Rcv decoder 100 received be digital television signal, therefore will be to its reduction of decoding, produce corresponding anolog TV signals, could in television set, play, but the bluetooth official website that concrete decode procedure is also mentioned among the refer step S201; (2) because the requirement of audio frequency and video aspect form and size that television set and portable terminal (as mobile phone) are play is all inequality, therefore if will in portable terminal, play the audio/video program that television set is transmitted, then need change the form and the size of this road TV signal, audio-video signal is converted to the Streaming Media signal, but the bluetooth official website of mentioning among the concrete transfer process refer step S201.Finish after the above-mentioned signal processing, then TV signal is loaded on wireless channel, and send to portable terminal 200.
In step S204, portable terminal 200 is from the wireless channel received television signal, and extracts audio/video flow.
In step S205, portable terminal 200 is play the audio/video flow that is obtained by streaming media playing module 202.So far, then finished once complete forwarding playing process.
Should be noted that; typical application of the present invention but be not limited to audio/video program is forwarded in mobile phone terminal, the portable computer terminal and play; also can be forwarded in other portable terminals with similar functions 200 and play, therefore, protection scope of the present invention is not limited thereto.
In addition, the present invention does not limit yet and only is applicable to the situation of playing the two-way TV signal, if TV signal Rcv decoder 100 can receive more multi-channel TV signals, can will wherein one the tunnel in television set, play, other each roads can be forwarded to respectively in each portable terminal 200 and play.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1, a kind of system that plays multi-channel TV signals simultaneously, comprise TV signal Rcv decoder and portable terminal, wherein said TV signal Rcv decoder comprises television signal receiver module, television signal decoder module, described portable terminal comprises the streaming media playing module, it is characterized in that, described TV signal Rcv decoder further comprises Streaming Media modular converter and audio/video flow transceiver module, and described portable terminal further comprises the audio/video flow transceiver module;
Described Streaming Media modular converter links to each other with the television signal decoder module, is used for extracting audio-video signal from described television signal decoder module, and according to portable terminal the requirement of audio frequency and video attribute is converted into the Streaming Media signal;
Set up between audio/video flow transceiver module in the described TV signal Rcv decoder and the audio/video flow transceiver module in the described portable terminal and the maintenance wireless connections, be used for described Streaming Media signal is transmitted.
2, the system that plays multi-channel TV signals simultaneously according to claim 1 is characterized in that, described TV signal Rcv decoder comprises set-top box, computer, digital TV integrated machine.
3, the system that plays multi-channel TV signals simultaneously according to claim 1 is characterized in that, described portable terminal comprises mobile phone, portable computer.
4, the system that plays multi-channel TV signals simultaneously according to claim 1 is characterized in that, described audio/video flow transceiver module is meant bluetooth equipment.
5, the system that plays multi-channel TV signals simultaneously according to claim 1 is characterized in that, described audio frequency and video attribute comprises the form and the size of described audio frequency and video.
6, a kind of method of utilizing the described system of claim 1 to play multi-channel TV signals simultaneously is characterized in that, said method comprising the steps of:
A. between TV signal Rcv decoder and portable terminal, set up wireless connections;
B. described TV signal Rcv decoder received television signal carries out sending to described portable terminal after the signal processing;
C. described portable terminal receives described TV signal, and plays the TV programme of described TV signal correspondence.
7, the method for playing multi-channel TV signals simultaneously according to claim 6 is characterized in that, described step B further comprises:
B1. described TV signal Rcv decoder received television signal;
B2. described TV signal is carried out signal processing, described signal processing comprises: the described TV signal of decoding, and the requirement of audio frequency and video attribute is converted to the Streaming Media signal with described TV signal according to described portable terminal;
B3. described Streaming Media signal loading is arrived the wireless channel of described wireless connections correspondence, and be sent to described portable terminal.
8, the method for playing multi-channel TV signals simultaneously according to claim 7 is characterized in that, the audio frequency and video attribute among the described step B2 comprises the form and the size of audio frequency and video.
9, the method for playing multi-channel TV signals simultaneously according to claim 7 is characterized in that, described step C further comprises:
C1. described portable terminal receives described Streaming Media signal from described wireless channel, and extracts audio/video flow;
C3. in described portable terminal, play the TV programme of described audio/video flow correspondence.
10, according to the described method of playing multi-channel TV signals simultaneously of arbitrary claim in the claim 6 to 9, it is characterized in that described portable terminal comprises mobile phone, portable computer.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101242728A CN100459670C (en) | 2006-12-12 | 2006-12-12 | A method and system for simultaneously playing multi-channel TV signals |
| PCT/CN2007/071026 WO2008071110A1 (en) | 2006-12-12 | 2007-11-07 | A method and a system for playing multi-channel tv signal simultaneously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101242728A CN100459670C (en) | 2006-12-12 | 2006-12-12 | A method and system for simultaneously playing multi-channel TV signals |
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| Publication Number | Publication Date |
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| CN101079973A true CN101079973A (en) | 2007-11-28 |
| CN100459670C CN100459670C (en) | 2009-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006101242728A Active CN100459670C (en) | 2006-12-12 | 2006-12-12 | A method and system for simultaneously playing multi-channel TV signals |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN100459670C (en) |
| WO (1) | WO2008071110A1 (en) |
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| CN102098512A (en) * | 2010-12-15 | 2011-06-15 | 中兴通讯股份有限公司 | Mobile terminal and video display realizing method thereof |
| CN102300059A (en) * | 2010-06-25 | 2011-12-28 | 深圳Tcl新技术有限公司 | Television playing system and auxiliary playing device |
| CN102355587A (en) * | 2011-08-17 | 2012-02-15 | 冠捷显示科技（厦门）有限公司 | Realization method and device for synchronously receiving and rebroadcasting television subprogram |
| CN102547420A (en) * | 2010-12-30 | 2012-07-04 | 上海无戒空间信息技术有限公司 | Method for playing multi-network media data |
| CN102572606A (en) * | 2010-12-17 | 2012-07-11 | 微软公司 | Streaming digital content with flexible remote playback |
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| CN102946558A (en) * | 2012-11-19 | 2013-02-27 | 中国计量学院 | Method and device for receiving broadcasting digital television by intelligent mobile phone |
| CN103024527A (en) * | 2012-12-27 | 2013-04-03 | 深圳Tcl新技术有限公司 | Method, main unit and system for playing television programs |
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| CN103686317A (en) * | 2013-11-26 | 2014-03-26 | 小米科技有限责任公司 | Method and device for playing television channels |
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| CN100459670C (en) | 2009-02-04 |
| WO2008071110A1 (en) | 2008-06-19 |
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