CN102740015B - Television system playing different channels simultaneously - Google Patents
Television system playing different channels simultaneously Download PDFInfo
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- CN102740015B CN102740015B CN201110092113.5A CN201110092113A CN102740015B CN 102740015 B CN102740015 B CN 102740015B CN 201110092113 A CN201110092113 A CN 201110092113A CN 102740015 B CN102740015 B CN 102740015B
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- channel
- shutter glasses
- lcd
- television system
- control signal
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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 simultaneously playing different channel.
Background technology
Existing Digital Television all uses in conjunction with Set Top Box, to obtain the display frame of high definition, but, user once can only watch a channel by this TV, just cannot meet, such as when multiple kinsfolk thinks to see the program oneself liked at one time at all, mother wanted the channel seeing beauty treatment aspect at that time, father wants the channel of competing of watching the football game, and multiple stage TV has been bought by the family also had, but needs very large cost to go to buy TV like this.
Summary of the invention
In order to solve above-mentioned Problems existing, the object of the invention is to, a kind of television system simultaneously playing different channel be provided.
A kind of television system simultaneously playing different channel of the present invention, the switching that this television system control LCD TV is interlocked continuously shows the picture of two channels and keeps mute state, Set Top Box controls each shutter glasses and watches its corresponding video and synchronously play audio frequency corresponding to this video, and two users watch by the shutter glasses that it is worn the different channel picture that LCD TV screen shows and synchronously listen to audio frequency corresponding to different channel display frame by connecting an earphone on shutter glasses.Therefore different user wears this shutter glasses can watch the different channel oneself liked by a total LCD TV, thus greatly facilitates user, eliminates the trouble buying multiple stage TV simultaneously.
Accompanying drawing explanation
Fig. 1 is the hardware configuration schematic diagram that the present invention one plays the television system of different channel simultaneously;
Fig. 2 is the hardware configuration schematic diagram of the Set Top Box of Fig. 1 television system; And
Fig. 3 is the hardware configuration schematic diagram of the shutter glasses of Fig. 1 television system.
Main element symbol description
| Television system | 1 |
| LCD TV | 2 |
| Remote controller | 3 |
| Set Top Box | 4 |
| Shutter glasses | 5 |
| Ad hoc button | 30 |
| Audio process | 41 |
| Synchronous detector | 42 |
| BMC encoder | 43 |
| Header data control unit | 44 |
| Multiplexer | 45 |
| Wireless launcher | 46 |
| Wireless receiver | 50 |
| BMC decoder | 51 |
| Frequency restoration and phase place frequency locking device | 52 |
| Channel indicates acquiring unit | 53 |
| Image synchronous generator | 54 |
| Shutter release | 55 |
| Channel judging unit | 56 |
| Digital to analog converter | 57 |
| Audio output interface | 58 |
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
Below in conjunction with accompanying drawing, television system the present invention being play simultaneously to different channel is described in further detail.
Fig. 1 is the hardware configuration schematic diagram that the present invention one plays the television system of different channel simultaneously.This television system (hereinafter referred to as " television system ") 1 simultaneously playing different channel comprises LCD TV 2, remote controller 3, Set Top Box 4 and two shutter glasses 5.This remote controller 3 controls LCD TV 2 and Set Top Box 4 for the input operation far-end responding user, this remote controller 3 panel is provided with a special key 30, and the button such as existing channel selection and volume control is not shown.This special key 30 is for when responding the pressing operation of user, and this television system 1 enters one and plays different channel state simultaneously, and this LCD TV 2 controls its loud speaker (not shown) and do not work, namely as quiet state.In another embodiment of the present invention, this television system 1 is without the need to comprising this remote controller 3, and this special key 30 is arranged on the panel of LCD TV 2.
This Set Top Box 4 is electrically connected this LCD TV 2, for obtaining audio, video data current control LCD TV 2 and the shutter glasses 5 of television channel from extraneous (as television network broadcast).This Set Top Box 4 and this two shutter glasses 5 are wireless connections, as with infrared mode.Each shutter glasses 5 is all made with special material.When this television system 1 this play simultaneously the input operation responding user under different channel state receive the input signal of two channels time, such as, by two channel selections operations of two key response users of remote controller 3 or LCD TV 2, this Set Top Box 4 obtains the audio and video data streams of two channels from the external world, the switching that the screen controlling LCD TV 2 interlocks continuously shows the video pictures of two channels, namely between two channel pictures, frequently switches display.In the present embodiment, simultaneously play two channels are also defined as channel 1 and channel 2 by Set Top Box 4 respectively, and such as A is the picture of channel 1, and B is the picture of channel 2, and so Set Top Box 4 controls the picture of LCD TV 2 broadcasting is ABABAB.......Meanwhile, LCD TV 2 can not broadcast the sound of two channels, is quiet.
The screen refresh frequency of this LCD TV 2 is for being more than or equal to 120Hz, it is under this plays different channel state simultaneously, screen refresh frequency is that the LCD TV 2 of 120Hz just can guarantee that each channel is the refreshing frequency of 60Hz, and it is clearly that the picture of each channel is play.
This Set Top Box 4 also produces the synchronous control signal controlling the continuous interleaved switching of shutter glasses 5, the picture synchronization that this synchronous control signal and LCD TV 2 are play according to the switching display of two channels.In the present embodiment, this synchronous control signal is low and high level staggered continuously, such as, and the picture synchronization of high level and LCD TV 2 broadcasting channel 1, the picture synchronization of low level and LCD TV 2 broadcasting channel 2.Set Top Box 4 also extracts audio data stream from the audio and video data streams of each channel, and encodes to obtained audio data stream.This Set Top Box 4 wirelessly sends the audio data stream after this synchronous control signal and coding to each shutter glasses 5.Each shutter glasses 5 controls the switch of shutter release 58 according to this synchronous control signal, and the audio frequency that acquisition is mated with this shutter glasses 5 from the audio data stream received is play by an earphone (not shown).
Each shutter glasses 5 indicates corresponding with the channel that LCD TV 2 is play one by one.Such as, shutter glasses A is corresponding with play channel 1, and shutter glasses B is corresponding with play channel 2.In one embodiment of the present invention, realize when the channel of each shutter glasses 5 is indicated in Default Value.In another embodiment of the present invention, each shutter glasses 5, when this plays the input signal receiving two channels under different channel state simultaneously, obtains a channel and indicates.Such as, 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, use the user of shutter glasses A can see the picture of channel 1, and shutter glasses B closes, the picture of channel 1 can not be seen 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, use the user of shutter glasses A can not see the picture of channel 2, and shutter glasses B opens, use the user of shutter glasses B can see the picture of channel 2.It should be noted that, shutter glasses 5 is in embodiments of the present invention different from 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 alternating expression switch.
In the present embodiment, Set Top Box 4 is when encoding to audio data stream, add corresponding channel to each packets of audio data to indicate, corresponding shutter glasses 5 is in the process of decoding to received voice data, if the channel sign of packets of audio data indicates with the channel of shutter glasses 5 mate, then play this packets of audio data, otherwise do not play this packets of audio data.Such as, the channel of a packets of audio data is denoted as channel 1, 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, then shutter glasses A does not play, and shutter glasses B plays.
According to description above, in embodiments of the present invention, when LCD TV 2 interlocks broadcasting two channels, the picture of user by using shutter glasses 5 clearly can watch a wherein channel, and the audio frequency of this channel can be heard.Such as clearly can be watched the picture of channel 1 by shutter glasses A, and the audio frequency of this channel 1 can be heard; And clearly can be watched the picture of channel 2 by shutter glasses B, and the audio frequency of this channel 2 can be heard.
As shown in Figure 2, this Set Top Box 4 comprises synchronous detector 42, BMC of an audio process 41, (" Biphase Mark Code " two-phase symbolic coding) encoder 43, header data control unit 44, multiplexer 45 and a wireless launcher 46 further.
When this Set Top Box 4 enter this play different channel state simultaneously time, this audio process 41 receives for the input operation responding user simultaneously and processes two-way audio stream, adds corresponding channel indicate each packets of audio data.This synchronous detector 42 detects the video synchronization signal in two-path video signal simultaneously for the input operation responding user.The switching that the screen that this header data control unit 44 controls LCD TV 2 according to the header information of video synchronization signal interlocks continuously shows the video pictures of two channels and and produces a synchronous control signal synchronous with LCD TV broadcasting pictures.Meanwhile, LCD TV 2 is mute state.This BMC encoder 43 is encoded for two-way audio data flow and this synchronous control signal being mixed.The two channel data streams of this multiplexer 45 to coding carry out multiplexing again, realize the Dynamic Bandwidth Allocation between two channels.This wireless launcher 46 is wirelessly sent to two shutter glasses 5, such as, with infrared mode multiplexing data.
As shown in Figure 3, wear when each shutter glasses 5 watches TV programme for user, each shutter glasses 5 comprises wireless receiver 50, BMC decoder 51, frequency restoration further and phase place frequency locking device 52, channel indicates acquiring unit 53, image synchronous generator 54, shutter release 55, channel judging unit 56, digital to analog converter 57 and an audio output interface 58.
This wireless receiver 50 is for the two-way audio data flow of receiving set up box 4 and this synchronous control signal.This BMC decoder 51 for this two-way audio data flow of decoding 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 in order to after transmission end frequency signal is replied and the frequency producing quadruple do solution to this BMC decoder 51 and transfer to provide synchronous more accurately.This image synchronous generator 54 its control shutter release 58 by this synchronous control signal, make the picture of this shutter glasses 5 synchronism output one channel and cover the picture of another channel.
This channel indicates acquiring unit 53 when this plays the input signal receiving two channels under different channel state simultaneously, obtains channel and indicates.In another embodiment of the present invention, realize when the channel of each shutter glasses 5 is indicated in Default Value, therefore indicate acquiring unit 53 without the need to this channel.Each shutter glasses 5 indicates corresponding with the channel that LCD TV 2 is play one by one, when the picture that LCD TV 2 is play is the picture of a channel, the shutter glasses that shutter glasses 5 is opened and this channel non-indicates that this shutter release 58 controls this channel sign according to the synchronous control signal received is closed.This channel judging unit 56 indicates with the channel of the shutter glasses 5 of this unlatching the voice data mated for judging and obtaining.This digital to analog converter 57 is for changing the analog audio data that can hear into people's ear to audio output interface 58 by the voice data of coupling.User listens to the audio frequency of corresponding channel by the earphone connecting this audio output interface 58.
Therefore, television system 1 of the present invention controls LCD TV 2 switching staggered continuously and shows the picture of two channels and keep mute state, Set Top Box 4 controls each shutter glasses 5 and watches its corresponding video and synchronously play audio frequency corresponding to this video, and two users watch the different channel picture of LCD TV 2 screen display by the shutter glasses 5 that it is worn and synchronously listen to audio frequency corresponding to different channel display frame by connecting an earphone on shutter glasses 5.
Although be illustrated the preferred embodiment of the present invention and describe, those skilled in the art will realize, and can make various different changes and improvements, these do not exceed true scope of the present invention.Therefore expect, the present invention is not limited to the disclosed embodiment as the optimal mode realized contemplated by the present invention, and all execution modes that the present invention includes have in the protection range of appended claims.
Claims (6)
1. play a television system for different channel, it comprises a LCD TV, a Set Top Box and two shutter glasses, it is characterized in that simultaneously,
This Set Top Box, input operation for responding user enters one and plays different channel state simultaneously and receive the input signal of two channels, obtain the audio and video data streams of these two channels, the switching that the screen controlling LCD TV interlocks continuously shows the video pictures of two channels and produces a synchronous control signal synchronous with LCD TV broadcasting pictures, coding extracts audio data stream, add corresponding channel to each packets of audio data to indicate, and wirelessly send the voice data after coding and this synchronous control signal to two shutter glasses;
Each shutter glasses, include a shutter release, the channel of this each shutter glasses and institute's broadcasting channel indicates one_to_one corresponding, and this shutter glasses controls unlatching and the closedown of this shutter release according to this synchronous control signal, and broadcasting indicates with its channel the voice data mated;
This each shutter glasses also comprises:
Wireless receiver, for receiving the audio data stream after this coding and this synchronous control signal;
BMC decoder, for the audio data stream after this coding of decoding and this synchronous control signal;
Frequency restoration and phase place frequency locking device, carry out demodulation to obtain the synchronous more accurately of audio frequency and video for providing the frequency of quadruple to this BMC decoder;
Image synchronous generator, controls this shutter release for the audio data stream after receiving this decoding and this synchronous control signal; And
Channel judging unit, the voice data that the channel for this shutter glasses judged and obtain and open matches.
2. the television system simultaneously playing different channel according to claim 1, it is characterized in that, also comprise a remote controller and a special key, this special key is positioned in remote controller or LCD TV, and this special key makes this television system enter this for the pressing operation responding user and plays different channel state simultaneously.
3. the television system simultaneously playing different channel 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 simultaneously playing different channel according to claim 1, is characterized in that, this Set Top Box comprises a BMC encoder further, and it is encoded for two-way audio data flow and this synchronous control signal being mixed.
5. the television system simultaneously playing different channel according to claim 1, is characterized in that, when this television system enter this play different channel state simultaneously time, this LCD TV is quiet.
6. the television system simultaneously playing different channel according to claim 1, it is characterized in that, this synchronous control signal is low and high level staggered continuously, and high level and LCD TV play the picture synchronization of a channel, and low level and LCD TV 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 |
Publications (2)
| Publication Number | Publication Date |
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| CN102740015A CN102740015A (en) | 2012-10-17 |
| CN102740015B true CN102740015B (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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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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Families Citing this family (5)
| 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 |
| 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 |
| 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 |
| CN112929650B (en) * | 2021-01-22 | 2022-11-25 | 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2357836B1 (en) * | 2002-03-27 | 2015-05-13 | Sanyo Electric Co., Ltd. | 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 |
| US8269822B2 (en) * | 2007-04-03 | 2012-09-18 | Sony Computer Entertainment America, LLC | Display viewing system and methods for optimizing display view based on active tracking |
| US20100079585A1 (en) * | 2008-09-29 | 2010-04-01 | Disney Enterprises, Inc. | Interactive theater with audience participation |
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| CN102740015A (en) | 2012-10-17 |
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| TR01 | Transfer of patent right |
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 |
Granted publication date: 20150311 Termination date: 20180413 |
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| CF01 | Termination of patent right due to non-payment of annual fee |