CN102740015A - Television system playing different channels simultaneously - Google Patents
Television system playing different channels simultaneously Download PDFInfo
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- CN102740015A CN102740015A CN2011100921135A CN201110092113A CN102740015A CN 102740015 A CN102740015 A CN 102740015A CN 2011100921135 A CN2011100921135 A CN 2011100921135A CN 201110092113 A CN201110092113 A CN 201110092113A CN 102740015 A CN102740015 A CN 102740015A
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- shutter glasses
- channel
- lcd
- television system
- different channel
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Abstract
The present invention relates to a television system playing different channels simultaneously. The system comprises an LCD television, a set-top box and two shutter glasses. The television system controls the LCD television to display images of two channels in a continuously interleaved way and keep a silent state, the set-top box controls each shutter glasses to view a corresponding video and synchronously plays an audio corresponding to the video, and through wearing different shutter glasses, two users view different channel images displayed by a screen of the LCD television and synchronously listen to the audio corresponding to each of the different channel images through connecting an earphone to the shutter glasses. Therefore, different users can wear the shutter glasses to view different favorite channels simultaneously through a same LCD television, great convenience is brought to the users, and the bother of buying a plurality of televisions is avoided.
Description
Technical field
The present invention relates to a kind of television system, more specifically, relate to a kind of television system of playing different channel simultaneously.
Background technology
Existing DTV all combines STB to use, obtaining the display frame of high definition, yet; The user once can only watch a channel through this TV, when a plurality of kinsfolks think to see the program of oneself liking at one time, just can't satisfy, for example at all; Mother wanted to see the channel of beauty treatment aspect at that time; Father's want to watch the football game channel of match, many TVs have been bought by the family that also has, yet need very big cost remove to buy TV like this.
Summary of the invention
In order to solve the problem of above-mentioned existence, the objective of the invention is to, a kind of television system of playing different channel simultaneously is provided.
A kind of television system of playing different channel simultaneously of the present invention; This television system control LCD TV is the picture and the maintenance mute state of staggered two channels of switching displayed continuously; Each shutter glasses of STB control is watched its corresponding video and this video corresponding audio of synchronous playing, and two users watch the different channel picture of LCD TV screen demonstration and come to listen to synchronously different channel display frame corresponding audio through on shutter glasses, connecting an earphone through its shutter glasses of wearing.So different user is worn this shutter glasses can watch the different channel that oneself is liked simultaneously through a total LCD TV, thereby greatly facilitates the user, has saved the trouble of buying many TVs.
Description of drawings
Fig. 1 is the hardware configuration sketch map of the present invention one television system of playing different channel simultaneously;
Fig. 2 is the hardware configuration sketch map of the STB of Fig. 1 television system; And
Fig. 3 is the hardware configuration sketch map of the shutter glasses of Fig. 1 television system.
The main element symbol description
| |
1 |
| |
2 |
| |
3 |
| STB | 4 |
| Shutter glasses | 5 |
| Ad hoc |
30 |
| |
41 |
| |
42 |
| The BMC |
43 |
| Header |
44 |
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45 |
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46 |
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50 |
| The BMC |
51 |
| Frequency restoration and phase place |
52 |
| Channel indicates acquiring |
53 |
| The image |
54 |
| Shutter |
55 |
| The |
56 |
| Digital to analog converter | 57 |
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58 |
Following embodiment will combine above-mentioned accompanying drawing to further specify the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is play simultaneously the television system of different channel and do further to describe in detail.
Fig. 1 is the hardware configuration sketch map of the present invention one television system of playing different channel simultaneously.This television system (hereinafter to be referred as " television system ") 1 of playing different channel simultaneously comprises a LCD TV 2, a remote controller 3, a STB 4 and two shutter glasses 5.This remote controller 3 is used to respond user's input operation far-end control LCD TV 2 and STB 4, and these remote controller 3 panels are provided with a special key 30, and buttons such as existing channel selection and volume control are not shown.This special key 30 is used for when response user's pressing operation, and this television system 1 gets into one and plays the different channel state simultaneously, and these LCD TV 2 its loud speaker (not shown) of control are not worked, promptly like quiet state.In another embodiment of the present invention, this television system 1 need not to comprise this remote controller 3, and this special key 30 is arranged on the panel of LCD TV 2.
This STB 4 is electrically connected this LCD TV 2, is used for obtaining from extraneous (like television network broadcast) the audio, video data current control LCD TV 2 and shutter glasses 5 of television channel.This STB 4 and this two shutter glasses 5 are wireless connections, as with infrared mode.Each shutter glasses 5 is all processed with special material.When this television system 1 when this input operation of playing under the different channel state response user simultaneously receives the input signal of two channels; For example; Two channel selections operations of two key response users through remote controller 3 or LCD TV 2; This STB 4 obtains the audio and video data streams of two channels from the external world, the screen of control LCD TV 2 is the video pictures of staggered two channels of switching displayed continuously, i.e. frequent switching displayed between two channel pictures.In this execution mode, two channels that STB 4 also will be play simultaneously are defined as channel 1 and channel 2 respectively, and for example A is the picture of channel 1, and B is the picture of channel 2, and the picture of STB 4 control LCD TVs 2 broadcasts is ABABAB...... so.Simultaneously, LCD TV 2 can not broadcast the sound of two channels, is quiet.
The screen-refresh frequency of this LCD TV 2 is more than or equal to 120Hz; It is play under the different channel state at this simultaneously; The screen-refresh frequency is that the LCD TV 2 of 120Hz can guarantee that just each channel is the refreshing frequency of 60Hz, makes that the picture broadcast of each channel all is clearly.
This STB 4 also produces the synchronous control signal of control shutter glasses 5 continuous interleaved switchings, the picture synchronization that this synchronous control signal and LCD TV 2 are play according to the switching displayed of two channels.In this execution mode, this synchronous control signal is staggered continuously high-low level, for example, and the picture synchronization of high level and LCD TV 2 broadcasting channels 1, the picture synchronization of low level and LCD TV 2 broadcasting channels 2.STB 4 also extracts audio data stream from the audio and video data streams of each channel, and the audio data stream of being obtained is encoded.This STB 4 with this synchronous control signal and the coding after audio data stream send each shutter glasses 5 to through wireless mode.Each shutter glasses 5 is controlled the switch of shutter release 58 according to this synchronous control signal, and from the audio data stream that receives, obtains with the audio frequency of this shutter glasses 5 couplings and play through an earphone (not shown).
Each shutter glasses 5 indicates corresponding with the channel that LCD TV 2 is play one by one.For example, shutter glasses A is corresponding with the channel of being play 1, and shutter glasses B is corresponding with the channel of being play 2.Realize when in one embodiment of the present invention, the channel of each shutter glasses 5 is indicated in Default Value.In another embodiment of the present invention, each shutter glasses 5 obtains a channel and indicates when this plays the input signal that receives two channels under the different channel state simultaneously.For example, during the selection signal of user's inputting channel 1, shutter glasses A obtains the sign of channel 1; During the selection signal of user's inputting channel 2, shutter glasses B obtains the sign of channel 2.When the picture that LCD TV 2 is play is the picture of channel 1; It is high level that each shutter glasses 5 receives synchronous control signal; This shutter glasses A opens; The user of use shutter glasses A can see the picture of channel 1, and shutter glasses B closes, and can not see the picture of channel 1 with the user of shutter glasses B; When the picture that LCD TV 2 is play is the picture of channel 2; It is low level that each shutter glasses 5 receives synchronous control signal; This shutter glasses A closes; The user of use shutter glasses A can not see the picture of channel 2, and shutter glasses B opens, and the user of use shutter glasses B can see the picture of channel 2.Need to prove that the shutter glasses 5 in embodiment of the present invention is different with the 3D shutter glasses to be: the right and left eyes eyeglass of shutter glasses 5 opens or closes simultaneously, and the right and left eyes eyeglass of 3D shutter glasses is the alternating expression switch.
In this execution mode; STB 4 is when encoding to audio data stream; The channel corresponding to each packets of audio data interpolation indicates, and corresponding shutter glasses 5 is in the process that received voice data is decoded, if the channel of packets of audio data indicates and the channel of shutter glasses 5 indicates coupling; Then play this packets of audio data, otherwise do not play this packets of audio data.For example, the channel of a packets of audio data is denoted as channel 1, and then shutter glasses A plays, and shutter glasses B does not play; And the channel of packets of audio data is denoted as channel 2, and then shutter glasses A does not play, and shutter glasses B plays.
According to top description, in embodiment of the present invention, when two channels of LCD TV 2 staggercast, the user can clearly watch the wherein picture of a channel through using shutter glasses 5, and can hear the audio frequency of this channel.For example the picture of channel 1 can be clearly watched, and the audio frequency of this channel 1 can be heard through shutter glasses A; And can clearly watch the picture of channel 2, and can hear the audio frequency of this channel 2 through shutter glasses B.
As shown in Figure 2, this STB 4 further comprises the synchronous detector of an audio process 41, one 42, a BMC (" Biphase Mark Code " two-phase symbolic coding) encoder 43, a header data control unit 44, a multiplexer 45 and a wireless launcher 46.
When this STB 4 got into this and plays the different channel state simultaneously, the input operation that this audio process 41 is used to respond the user received and handles two-way audio stream simultaneously, each packets of audio data is added corresponding channel indicate.The video synchronization signal of two-path video signal is detected in the input operation that this synchronous detector 42 is used for responding the user simultaneously.This header data control unit 44 is controlled screen video pictures and and the generation one and the synchronous synchronous control signal of LCD TV broadcasting pictures of staggered two channels of switching displayed continuously of LCD TV 2 according to the header information of video synchronization signal.Simultaneously, LCD TV 2 is a mute state.This BMC encoder 43 is used for two-way audio data flow and this synchronous control signal mixed encodes.The two channel datas stream of 45 pairs of codings of this multiplexer carries out multiplexing again, realizes the Dynamic Bandwidth Allocation between two channels.This wireless launcher 46 is sent to two shutter glasses 5 to multiplexing data through wireless mode, for example with infrared mode.
As shown in Figure 3; Each shutter glasses 5 is used for wearing when the user watches TV programme, and each shutter glasses 5 comprises that further a wireless receiver 50, a BMC decoder 51, a frequency restoration and phase place frequency locking device 52, a channel indicate acquiring unit 53, an image synchronous generator 54, a shutter release 55, a channel judging unit 56, a digital to analog converter 57 and an audio output interface 58.
This wireless receiver 50 is used for the two-way audio data flow and this synchronous control signal of receiving set up box 4.This BMC decoder 51 is used to decipher this two-way audio data flow and this synchronous control signal to image synchronous generator 54 and channel judging unit 56.This frequency restoration and phase place frequency locking device 52 are done to separate for this BMC decoder 51 in order to the frequency of the transmission end frequency signal being replied afterwards and produce quadruple and are transferred to provide synchronous more accurately.This image synchronous generator 54 its through this synchronous control signal control shutter release 58, make this shutter glasses 5 pictures and the pictures that cover another channel of output one channels synchronously.
This channel indicates acquiring unit 53 when this plays the input signal that receives two channels under the different channel state simultaneously, obtains channel and indicates.In another embodiment of the present invention, when being indicated in Default Value, realizes the channel of each shutter glasses 5, indicate acquiring unit 53 so need not this channel.Each shutter glasses 5 indicates corresponding with the channel that LCD TV 2 is play one by one; When the picture of being play when LCD TV 2 was the picture of a channel, the shutter glasses 5 that this shutter release 58 indicates according to this channel of synchronous control signal control that receives was opened with the shutter glasses of non-this channel sign and is closed.This channel judging unit 56 is used to judge and obtains the voice data that indicates coupling with the channel of the shutter glasses 5 of this unlatching.This digital to analog converter 57 is used for the analog audio data that the voice data conversion of coupling can be heard for people's ear is arrived audio output interface 58.The user can listen to the audio frequency of corresponding channel through the earphone that connects this audio output interface 58.
Therefore; Television system 1 control LCD TV 2 of the present invention is the picture and the maintenance mute state of staggered two channels of switching displayed continuously; STB 4 each shutter glasses 5 of control are watched its corresponding video and this video corresponding audio of synchronous playing, and two users watch the different channel picture of LCD TV 2 screen displays and come to listen to synchronously different channel display frame corresponding audio through on shutter glasses 5, connecting an earphone through its shutter glasses of wearing 5.
Although preferred implementation of the present invention is illustrated and describes, those skilled in the art will realize, and can make various variation and improvement, and these do not exceed true scope of the present invention.Therefore expectation, the present invention are not limited to disclosed as the embodiment that realizes the optimal mode that the present invention is contemplated, and all execution modes that the present invention includes all have in the protection range of appended claims.
Claims (6)
1. television system of playing different channel simultaneously, it comprises a LCD TV, a STB and two shutter glasses, it is characterized in that,
This STB; The input operation that is used to respond the user gets into one and plays the different channel state simultaneously and receive the input signal of two channels; Obtain the audio and video data streams of these two channels; The screen of control LCD TV continuously staggered two channels of switching displayed video pictures and produce one with the synchronous synchronous control signal of LCD TV broadcasting pictures; Coding extracts audio data stream, each packets of audio data is added corresponding channel indicate, and the voice data after will encoding sends two shutter glasses with this synchronous control signal to wireless mode;
Each shutter glasses; Include a shutter release; This each shutter glasses is corresponding one by one with the channel sign of institute's broadcasting channel, and this shutter glasses is controlled the unlatching of this shutter release according to this synchronous control signal and closed, and the voice data of broadcast and its channel sign coupling.
2. the television system of playing different channel simultaneously according to claim 1; It is characterized in that; Also comprise a remote controller and a special key; This special key is positioned on remote controller or the LCD TV, and the pressing operation that this special key is used to respond the user makes this television system get into this and plays the different channel state simultaneously.
3. the television system of playing different channel simultaneously according to claim 1 is characterized in that, the screen-refresh frequency of this LCD TV is more than or equal to 120Hz.
4. the television system of playing different channel simultaneously according to claim 1 is characterized in that, this infrared transmitter further comprises a BMC encoder, and it is used for two-way audio data flow and this synchronous control signal mixed encodes.
5. the television system of playing different channel simultaneously according to claim 1 is characterized in that, when this play the different channel state simultaneously when this television system entering, this LCD TV was quiet.
6. the television system of playing different channel simultaneously according to claim 1; It is characterized in that; This synchronous control signal is staggered continuously high-low level, and high level and LCD TV are play the picture synchronization of a channel, and low level and LCD TV are play the picture synchronization of another channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110092113.5A CN102740015B (en) | 2011-04-13 | 2011-04-13 | Television system playing different channels simultaneously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110092113.5A CN102740015B (en) | 2011-04-13 | 2011-04-13 | Television system playing different channels simultaneously |
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| Publication Number | Publication Date |
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| CN102740015A true CN102740015A (en) | 2012-10-17 |
| CN102740015B CN102740015B (en) | 2015-03-11 |
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| CN201110092113.5A Expired - Fee Related CN102740015B (en) | 2011-04-13 | 2011-04-13 | Television system playing different channels simultaneously |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104349213A (en) * | 2013-08-01 | 2015-02-11 | 鸿富锦精密工业（深圳）有限公司 | Display system, and display method of display system |
| CN104954944A (en) * | 2015-06-11 | 2015-09-30 | 联想(北京)有限公司 | Audio control method and audio control device |
| CN105050002A (en) * | 2015-08-05 | 2015-11-11 | 惠州Tcl移动通信有限公司 | Method and system for playing multimedia of intelligent terminal |
| CN113840047A (en) * | 2020-06-24 | 2021-12-24 | 瑞昱半导体股份有限公司 | Image playing system, image data transmission device and method |
| WO2022156671A1 (en) * | 2021-01-22 | 2022-07-28 | 上海曼恒数字技术股份有限公司 | Multi-view virtual display signal processing method and system, computer readable storage medium, and electronic device |
| CN113840047B (en) * | 2020-06-24 | 2024-04-12 | 瑞昱半导体股份有限公司 | Image playing system, image data transmission device and method |
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| CN101715092A (en) * | 2008-09-29 | 2010-05-26 | 迪斯尼实业公司 | Interactive theater with audience participation |
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| CN1643939A (en) * | 2002-03-27 | 2005-07-20 | 三洋电机株式会社 | Method and apparatus for processing three-dimensional images |
| US20070153122A1 (en) * | 2005-12-30 | 2007-07-05 | Ayite Nii A | Apparatus and method for simultaneous multiple video channel viewing |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104349213A (en) * | 2013-08-01 | 2015-02-11 | 鸿富锦精密工业（深圳）有限公司 | Display system, and display method of display system |
| CN104954944A (en) * | 2015-06-11 | 2015-09-30 | 联想(北京)有限公司 | Audio control method and audio control device |
| CN105050002A (en) * | 2015-08-05 | 2015-11-11 | 惠州Tcl移动通信有限公司 | Method and system for playing multimedia of intelligent terminal |
| CN105050002B (en) * | 2015-08-05 | 2019-08-20 | 惠州Tcl移动通信有限公司 | A kind of multi-medium play method and system of intelligent terminal |
| CN113840047A (en) * | 2020-06-24 | 2021-12-24 | 瑞昱半导体股份有限公司 | Image playing system, image data transmission device and method |
| CN113840047B (en) * | 2020-06-24 | 2024-04-12 | 瑞昱半导体股份有限公司 | Image playing system, image data transmission device and method |
| WO2022156671A1 (en) * | 2021-01-22 | 2022-07-28 | 上海曼恒数字技术股份有限公司 | Multi-view virtual display signal processing method and system, computer readable storage medium, and electronic device |
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| CN102740015B (en) | 2015-03-11 |
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Effective date of registration: 20170710 Address after: Quan Lu and Lu Lu in Hunan province high tech Development Zone 410000 Changsha Pine Road interchange of agricultural extension comprehensive building 14 building 14-G01 room Patentee after: Hunan hurricane Polytron Technologies Inc. Address before: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Patentee before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20170710 Address after: 2414-2416, main building, No. five, No. 371, Tianhe District mountain road, Guangzhou, Guangdong, China Patentee after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 518109 Guangdong city of Shenzhen province Baoan District Longhua Town Industrial Zone tabulaeformis tenth East Ring Road No. 2 two Co-patentee before: HON HAI PRECISION INDUSTRY Co.,Ltd. Patentee before: HONG FU JIN PRECISION INDUSTRY (SHENZHEN) Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20180413 |