CN2712008Y - Television program receiver for multi-audio signal process - Google Patents
Television program receiver for multi-audio signal process Download PDFInfo
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- CN2712008Y CN2712008Y CNU2004200708229U CN200420070822U CN2712008Y CN 2712008 Y CN2712008 Y CN 2712008Y CN U2004200708229 U CNU2004200708229 U CN U2004200708229U CN 200420070822 U CN200420070822 U CN 200420070822U CN 2712008 Y CN2712008 Y CN 2712008Y
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Abstract
The utility model relates to a television program receiver for multi-audio signal processing, which is also provided with a microprocessor, an audio control circuit, an image control circuit and more than one audio signal input ports, wherein, each audio signal input port is connected to the audio control circuit, and the audio control circuit and the image control circuit are connected with the microprocessor to be controlled by the microprocessor to receive commands of the microprocessor to control the output of audio signals and video signals. One sound passage can be arbitrarily selected by the utility model from sound passages which are provided by a television to be used as a current voice output passage to simultaneously process audio information and video information of different channels to enable users to listen to favoured music programs simultaneously when the television program is received.
Description
Technical field
The utility model relates to the TV programme receiving system, user's TV programme receiving system of output channel that can oneself select a sound specifically, and the user can arbitrarily listen to the audio-frequency information of liking when received television program.
Background technology
TV programme receiving system of the prior art, as television set, its sound channel accompanying image passage all has been set and has solidified.The platform program if the user televiews, its audio signal can only be the audio components of institute's limit channel, and sound just can only be the sound of this program in other words; If select the AV passage, its sound can only be the voice signal from this passage.
Along with the port that present television set provides is more and more, comprise TV, AV, S-VIDEO, YCbCr, YPbPr, VGA, or the like, and user's also increasing to amount of information that the same time obtained, therefore, television set should offer users and more select freedom as the instrument of propagating image and sound.Also have some passages, as VGA, itself has only picture signal, if user's this moment wants to listen a sound of television, just television set can only be switched to the TV passage, but the VGA video also will substitute by the TV video, can't the two get both.
Application number be 00265055.X public announcement of a patent application a kind of television set with expansion listening function, it has attached radio function, can between TV and radio programs, switch, but it only is to have wireless function, can not only see TV but also listen to the radio simultaneously, can not effectively address the above problem.Same application number a kind of television set of listening separately that has been 00205760.3 public announcement of a patent application, this television set is measured Digital Signal Processing and two kinds of unit of power amplifier before color television set inside is set up, stereo sound accompaniment output is connected to respectively on outer a pair of of color television set or several groups of three sections frequency divisions, the three loudspeaker stereo speakers.This television set can have independently function of loudspeaker box, listens to the sound equipment program separately, but can not address the above problem.
Summary of the invention
At defective of the prior art, the purpose of this utility model is to provide a kind of TV programme receiving system that multichannel audio signal is handled that is used for, this device can select one road sound channel as current voice output passage from the sound channel that TV provided arbitrarily, can handle the Voice ﹠ Video information of different channel simultaneously, make the user can in received television program, listen to the music program of oneself liking.
Another purpose of the present utility model provides a kind of TV programme receiving system that multichannel audio signal is handled that is used for, can select current sound channel by menu or shortcut by this device users, also provide simultaneously the sound channel of acquiescence to be provided with compatible, easy and simple to handle, quick mutually with existing mode of operation.
For achieving the above object, the technical solution of the utility model is:
A kind of TV programme receiving system that is used for the multichannel audio signal processing, include original receiving circuit, it is characterized in that this device also has microprocessor, audio control circuit and image control circuit, and be no less than one audio signal input end mouth, the audio signal input end mouth is connected on the audio control circuit, audio control circuit and image control circuit all are connected on the microprocessor, controlled by microprocessor, receive the instruction of microprocessor, the output of control audio and vision signal, original receiving circuit also is connected on audio control circuit and the image control circuit, so that the processing of received signal.
For being no less than two and carry the input port of audio signal, audio control circuit independence control audio signal, and audio signal selected to play, the user can remove to control corresponding voice-grade channel selector switch by suitable control method, selects one tunnel audio signal input channel to export as audio frequency arbitrarily.
Image control circuit can adopt existing control circuit, finish control and conversion to signal, but image control circuit and audio control circuit are independent the settings, avoid causing mutual influence and interference, this and former image control circuit and the audio control circuit broadcast of control audio vision signal simultaneously are different.
The described TV programme receiving system that is used for the multichannel audio signal processing, it is arranged at the inside of television set, one of them above audio input port and video inputs mouth is arranged on the shell of television set together, be convenient to be connected, and other parts comprise that circuit all is arranged on the TV SKD with external equipment.This is a kind of concrete execution mode, in fact also has other execution mode, and for example this receiving system is made into independent device, is arranged on the outside of television set, is connected with television set by interface.
The described TV programme receiving system that is used for the multichannel audio signal processing, it comprises the above TV programme antenna input port of two-way, the user is when watching certain channel, can go the control audio channel selector switch that the audio signal of another one channel is exported as current audio frequency by suitable control method (microprocessor sends instruction, makes audio control circuit independently control specified audio signal output to audio amplifier).
The described TV programme receiving system that is used for the multichannel audio signal processing, it can be provided with shortcut on TV remote controller, carry out the control of audio signal by this shortcut.
The program that is solidificated in microprocessor is finished the output control to audio signal, predefined played in order audio-frequency information can be installed, the definite audio-frequency information of being liked of user, and instruct it to play, this process is that the drop video signal independently carries out, so be not subjected to the influence of vision signal, can determine the audio signal of being play separately.
So when input port had only vision signal, the user can control corresponding voice-grade channel switch voluntarily, select any one tunnel audio signal input channel to export as audio frequency.
Equally, when current input port was configured to the VGA pattern, the user can remove to control corresponding voice-grade channel selector switch by suitable control method, selected one tunnel audio signal input channel to export as audio frequency arbitrarily.
For a plurality of television antenna input interfaces, the user can select the audio frequency output of the audio signal of other arbitrary channel as current channel when watching certain channel.
In the initial setting up of this receiving system, for the port that comprises audio frequency and image simultaneously, the default setting that its voice-grade channel is selected is arranged to be consistent with image channel.
In the setting of microprocessor, there is one to be used for showing and to select current voice-grade channel in the custom menu that can set, its options comprises all voice-grade channels and default setting, when selecting certain paths, just export as audio frequency with this audio signal channel, when selecting default setting, select audio signal channel to export as audio frequency according to default setting.
When shortcut being set on the remote controller selecting audio signal, its options comprises all voice-grade channels and default setting, when selecting certain paths, just export as audio frequency with this audio signal channel, when selecting default setting, select audio signal channel to export as audio frequency according to default setting.
Microprocessor can be preserved by user's selection the audio frequency output channel of a certain road in all input ports or multi-channel port, when device switches to this port, exports as audio frequency with the audio frequency output channel of being preserved.
When the present image passage is switched to when itself not having audio signal port, the audio signal input channel does not change thereupon, as current audio frequency output.
The utility model independently is provided with audio control circuit, control by microprocessor, finish the detection and the output of audio signal, make this receiving system watching that any audio signal channel of selecting is as current output under the situation of certain image information, perhaps under the situation of not watching image information, also can select audio signal channel as current output arbitrarily, make the selection audio signal output that the user can be personalized, satisfy the requirement of oneself.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment,
Fig. 2 is that the voice-grade channel of the port of the utility model embodiment is selected E2PROM storage organization block diagram,
Fig. 3 is the circuit diagram of the utility model embodiment.
Embodiment
Referring to Fig. 1, Fig. 2 and Fig. 3, embodiment of the present utility model is to realize on the basis of HDTV (High-Definition Television).Its input port comprises two-way television antenna input port, two-way AV input port, one road S-VIDEO input port, one road YCbCr input port, one road YPbPr input port, an independent audio signal input end mouth and a VGA input port.For normal tv signal, high-frequency tuner output intermediate-freuqncy signal, through in obtain vision intermediate frequency and SIF sound intermediate frequency after putting.Because the utility model just switches at audio signal, will not discuss the picture signal flow process.Behind SIF sound intermediate frequency process detection and the frequency discrimination, the signal that obtains is the common acoustic analog signal, can directly output to power amplifier.The voice signal of two-way AV input port and one road audio port is the common acoustic analog signal, also can directly output to power amplifier.Generally, when port is chosen as TV, output be TV programme image and corresponding audio signal, when being chosen as the AV port, output be picture signal and the voice signal that this port is imported.Do not have audio signal for port itself, as S-VIDEO, YCbCr, YPbPr, VGA etc. generally are the sound channels by multiplexing AV or use independent audio input port to realize voice output, and fix, the user can not change.All audio signals all are connected on the voice-grade channel selector switch in this programme, are controlled by the audio frequency control access.The control of this programme all is to be realized by the output of the IO port on MCU high-low level.
When television set is opened, the port that MCU sets when reading the relevant last shutdown of E2PROM, and read the voice-grade channel set information that sets according to set port, then, according to the information that reads the corresponding I port is set, thereby make the voice-grade channel selector switch be communicated with this voice-grade channel, and other passage is disconnected.Like this, the audio signal of television set output is exactly the voice-grade channel that sets.When the user carries out the port switching, as switch to the VGA passage, MCU just stores the space of VGA voice-grade channel and reads this value from E2PROM, and switches.If be set at default setting, then when port is TV1, export the audio frequency of TV1; During for TV2, the audio frequency of output TV2; During for AV1, the audio frequency of output AV1; During for AV2, the audio frequency of output AV2; Be S-VIDEO, YCbCr, YPbPr, during VGA, the audio frequency of output AUDIO input port.
When the user wants to change current voice-grade channel, only need enter custom menu, choose the voice-grade channel options to select, its options comprises default setting, TV1 voice-grade channel, TV2 voice-grade channel, AV1 voice-grade channel, AV2 voice-grade channel, AUDIO voice-grade channel.When user's selection changed, voice-grade channel just changed accordingly and exports, and simultaneously setting is saved in E2PROM.Each port all has the voice-grade channel memory space of oneself.
Another method is the method for establishing shortcut on remote controller, when pressing for the first time this shortcut, the sign that shows the current audio signals output channel on the TV, before this marks obliterated, press this key once more, voice-grade channel switches, and its transfer sequence circulates according to " default setting → TV1 voice-grade channel → TV2 voice-grade channel → AV1 voice-grade channel → AV2 voice-grade channel → AUDIO voice-grade channel → default setting ".After switching each time setting is saved in E2PROM.
For the utility model, also has a kind of implementation, especially port itself does not have audio signal, as S-VIDEO, and YCbCr, YPbPr, ports such as VGA switch to the input port of television set have the port of wanting the audio signal exported earlier, and then the television set input port is switched to S-VIDEO or YCbCr or YPbPr or VGA, when image channel was switched, voice-grade channel was constant.So just can select audio input channel and come output audio for the absence of audio port.
Enforcement of the present utility model is not limited to above execution mode; above-mentioned execution mode is not to concrete qualification of the present utility model; as long as it all is feasible can reaching the similar structure and the compound mode of the purpose of this utility model, all within protection range of the present utility model.
Claims (6)
1, a kind of TV programme receiving system that is used for the multichannel audio signal processing, include original receiving circuit, it is characterized in that this device also has microprocessor, audio control circuit and image control circuit, and be no less than one audio signal input end mouth, the audio signal input end mouth is connected on the audio control circuit, audio control circuit and image control circuit all are connected on the microprocessor, controlled by microprocessor, receive the instruction of microprocessor, the output of control audio and vision signal, original receiving circuit also is connected on audio control circuit and the image control circuit.
2, the TV programme receiving system that is used for the multichannel audio signal processing as claimed in claim 1, it is characterized in that for being no less than two and carry the input port of audio signal, audio control circuit independence control audio signal is selected to play to audio signal.
3, the TV programme receiving system that is used for the multichannel audio signal processing as claimed in claim 1, it is characterized in that image control circuit adopts existing control circuit, finish control and conversion, but image control circuit and audio control circuit are independent the settings to signal.
4, the TV programme receiving system that is used for the multichannel audio signal processing as claimed in claim 1, it is characterized in that this device is arranged at the inside of television set, one of them above audio input port and video inputs mouth is arranged on the shell of television set together, be convenient to be connected, and other parts comprise that circuit all is arranged on the TV SKD with external equipment.
5, the TV programme receiving system that is used for the multichannel audio signal processing as claimed in claim 1 is characterized in that it comprises the above TV programme antenna input port of two-way.
6, the TV programme receiving system that is used for the multichannel audio signal processing as claimed in claim 1 is characterized in that TV remote controller is provided with the shortcut that can carry out audio signal control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200708229U CN2712008Y (en) | 2004-06-25 | 2004-06-25 | Television program receiver for multi-audio signal process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200708229U CN2712008Y (en) | 2004-06-25 | 2004-06-25 | Television program receiver for multi-audio signal process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2712008Y true CN2712008Y (en) | 2005-07-20 |
Family
ID=36193107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200708229U Expired - Lifetime CN2712008Y (en) | 2004-06-25 | 2004-06-25 | Television program receiver for multi-audio signal process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2712008Y (en) |
-
2004
- 2004-06-25 CN CNU2004200708229U patent/CN2712008Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN TCL NEW TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: TCL KING ELECTRICAL APPLIANCES (SHENZHEN) CO., LTD. Effective date: 20110212 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518067 NO.5, MIDDLE OF GONGYE AVENUE, SHEKOU, SHENZHEN CITY, GUANGDONG PROVINCE TO: 518067 TCL BUILDING, SOUTH OF NANHAI AVENUE, NANSHAN DISTRICT, SHENZHEN CITY |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110212 Address after: 518067 South TCL building, Nanhai Road, Shenzhen, Nanshan District Patentee after: Shenzhen TCL New Technology Co., Ltd. Address before: 518067 No. 5, industrial road, Shekou, Guangdong, Shenzhen Patentee before: TCL Kingbrand Electronic (Shenzhen) Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140625 Granted publication date: 20050720 |
|
| DD01 | Delivery of document by public notice |
Addressee: Wu Xiaoyun Document name: Notification of Expiration of Patent Right Duration |