CN106792333A - The sound system of television set - Google Patents

The sound system of television set Download PDF

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Publication number
CN106792333A
CN106792333A CN201611202206.8A CN201611202206A CN106792333A CN 106792333 A CN106792333 A CN 106792333A CN 201611202206 A CN201611202206 A CN 201611202206A CN 106792333 A CN106792333 A CN 106792333A
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CN
China
Prior art keywords
audio
channel
channel audio
sound
new
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CN201611202206.8A
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Chinese (zh)
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CN106792333B (en
Inventor
杨福军
严方红
朱生林
高伟标
杨海霞
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Shenzhen TCL New Technology Co Ltd
Shenzhen TCL Digital Technology Co Ltd
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Shenzhen TCL New Technology Co Ltd
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Priority to CN201611202206.8A priority Critical patent/CN106792333B/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00Circuits for transducers, loudspeakers or microphones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00Signal processing covered by H04R, not provided for in its groups
    • H04R2430/01Aspects of volume control, not necessarily automatic, in sound systems

Abstract

The invention discloses a kind of sound system of television set, the sound system of the television set includes audio sources selected input module:For being input into multichannel audio information source, decoder:For being decoded to multichannel audio information source;First mix module:Left audio for decoder to be decoded output carries out audio mixing with center channels audio, obtains the first new left channel audio signal;Second mix module:Right audio channel and center channels audio row audio mixing for decoder to be decoded output, obtain the first new right channel audio signal;First power amplifier:For being amplified to the first new left channel audio signal;Second power amplifier:For being amplified to the first new right channel audio signal;Left channel loudspeaker:For exporting the first new left channel audio signal after amplifying;Right channel loudspeaker:For exporting the first new right channel audio signal after amplifying.The present invention can reappear multichannel effect, also, also have a relatively low advantage of hardware cost.

Description

The sound system of television set
Technical field
The present invention relates to field of television, more particularly to a kind of sound system of television set.
Background technology
In the prior art, audio (such as 9.1 sound of the television set to 5.1 channel audios and 7.1 channel audios even more multichannel Channel audio and 11.1 channel audios) processing method generally have following two:(1) television set enters to the multichannel audio being input into Row decoding, decoded each channel audio is then carried out into stereo process, audio mixing into left audio and right audio channel, then from The left and right loudspeaker of television set sends sound;(2) television set is not decoded to multichannel audio, but by corresponding sound Frequency interface (such as HDMI ARC, optical fiber interface or coaxial COBBAIF) exports to external the source code of the multichannel audio of input Multi-channel audio equipment, external multi-channel audio equipment is decoded to the multichannel audio, decoded each channel audio Sound is sent by the audio amplifier of the corresponding sound channel of the external multi-channel audio equipment.
However, because television set generally only has two loudspeakers of sound channel (i.e. left speaker and right loudspeaker), above-mentioned side The acoustics of method () is difficult to reappear original multichannel effect, and especially acoustic image and telepresenc loss are serious;And above-mentioned side The multi-channel audio equipment that method (two) then needs cooperation external could reappear original multichannel effect.For example, when television set is defeated When the multichannel audio information source for entering is 5.1 channel audio, then external multi-channel audio equipment needs 6 independent road audio amplifier ability Realize the original multichannel effect of 5.1 channel audio;When the multichannel audio information source of television set input is 7.1 channel audios When, then 8 independent road audio amplifiers of external multi-channel audio equipment needs could realize the original multichannel effect of 7.1 channel audio Really;I.e. there is the defect that nextport hardware component NextPort is more and hardware cost is higher in the above method (two).
The content of the invention
It is a primary object of the present invention to provide a kind of sound system of television set, it is intended to ensure that reproduction multichannel effect While fruit, reduce nextport hardware component NextPort and reduce hardware cost.
To achieve these goals, the present invention provides a kind of sound system of television set, the sound system of the television set Including:
Audio sources selected input module:Multichannel audio information source for being input into television set carries out selection input;
Decoder:The type of the multichannel audio information source for being input into according to the audio sources selected input module, The multichannel audio information source is decoded;
First mix module:Left audio for the decoder to be decoded output is carried out with center channels audio Stereo process, obtains the first new left channel audio signal;
Second mix module:Right audio channel for the decoder to be decoded output is mixed with center channels audio row Sound treatment, obtains the first new right channel audio signal;
First power amplifier:For being amplified treatment to the described first new left channel audio signal;
Second power amplifier:For being amplified treatment to the described first new right channel audio signal;
Left channel loudspeaker:For exporting the described first new left channel audio signal after amplifying;
Right channel loudspeaker:For exporting the described first new right channel audio signal after amplifying.
Preferably, the sound system of the television set also includes that multi-path ANTENNAUDIO transmitter module and wireless acoustics set It is standby, wherein:
The multi-path ANTENNAUDIO transmitter module, for the audio being input into when the audio sources selected input module When information source is 5.1 channel audio, the circular channel audio in a left side that the decoder is decoded into output, right surround channel audio and low Speech channel audio is launched to the wireless acoustics equipment through wireless network;When the audio sources selected input module is input into When audio sources are 7.1 channel audio, the decoder is decoded into a left side for output around channel audio, right surround sound channel sound Frequently, launch to the wireless sound through wireless network around channel audio and subwoofer channel audio behind left back circular channel audio, the right side The equipment of sound;
The wireless acoustics equipment, for receiving the audio signal that the multi-path ANTENNAUDIO transmitter module is launched, And the audio signal to receiving is amplified treatment, and play the audio signal after enhanced processing.
Preferably, the loudspeaker that the left channel loudspeaker and the right channel loudspeaker are carried for television set.
Preferably, the wireless acoustics equipment is the external wireless acoustics equipment of television set.
Preferably, when the type of the multichannel audio information source of audio sources selected input module input is 5.1 sound channels During audio, the wireless acoustics equipment includes:
Bass sound equipment, for receiving the bass sound in the audio signal that the multi-path ANTENNAUDIO transmitter module is launched Channel audio, and treatment is amplified to the subwoofer channel audio, and export the subwoofer channel audio after enhanced processing;
A left side surround sound equipment, for receiving the left ring in the audio signal that the multi-path ANTENNAUDIO transmitter module is launched Around channel audio, and treatment is amplified to the left channel audio that surround, and exports the described left surround sound after enhanced processing Channel audio;
Right surround sound equipment, for receiving the right ring in the audio signal that the multi-path ANTENNAUDIO transmitter module is launched Around channel audio, and treatment is amplified to the right surround channel audio, and exports the right surround sound after enhanced processing Channel audio.
Preferably, when the type of the multichannel audio information source of audio sources selected input module input is 7.1 sound channels During audio, the wireless acoustics equipment also includes:
Left back circular sound equipment:For receiving the left side in the audio signal that the multi-path ANTENNAUDIO transmitter module is launched Afterwards around channel audio, and treatment is amplified to the left back circular channel audio, and exports the left side after enhanced processing Afterwards around channel audio;
Around sound equipment behind the right side:For receiving the right side in the audio signal that the multi-path ANTENNAUDIO transmitter module is launched Afterwards around channel audio, and to being amplified treatment around channel audio behind the right side, and export the right side after enhanced processing Afterwards around channel audio.
Preferably, the sound system of the television set also includes:
3rd mix module:Audio sources for being input into when the audio sources selected input module are 5.1 sound channels During audio, the left side that the decoder decodes output is carried out into mixed processing around channel audio and subwoofer channel audio, obtained It is new left around channel audio;When the audio sources that the audio sources selected input module is input into are 7.1 channel audio, will The left side that the decoder decodes output is carried out at mixing around channel audio, left back circular channel audio and subwoofer channel audio Reason, obtains new left around channel audio;
4th mix module:Audio sources for being input into when the audio sources selected input module are 5.1 sound channels During audio, the decoder is decoded into the right surround channel audio of output and subwoofer channel audio carries out mixed processing, obtains New right surround channel audio;When the audio sources that the audio sources selected input module is input into are 7.1 channel audio, will The decoder is carried out at mixing after decoding the right surround channel audio of output, the right side around channel audio and subwoofer channel audio Reason, obtains new right surround channel audio;
The multi-path ANTENNAUDIO transmitter module is additionally operable to:Will be described new left around channel audio and the new right surround Channel audio is launched through wireless network;
The wireless acoustics equipment includes a left side around sound equipment and right surround sound equipment, and the left sound equipment that surround is used for:Receive institute A new left side is stated around channel audio, and treatment is amplified to the new left channel audio that surround, and play the institute after enhanced processing State new left around channel audio;The right surround sound equipment is used for:The new right surround channel audio is received, and to the new right ring Treatment is amplified around channel audio, and plays the described new right surround channel audio after enhanced processing.
Preferably, the sound system of the television set also includes:
5th mix module:Audio sources for being input into when the audio sources selected input module are 5.1 sound channels During audio, the decoder is decoded into left audio, the left side of output around channel audio, center channels audio and bass sound Channel audio carries out stereo process, obtains the second new left channel audio signal;When the audio sources selected input module is input into Audio sources when being 7.1 channel audio, by the decoder decode the left audio of output, left circular channel audio, Center channels audio, subwoofer channel audio and left back circular channel audio carry out stereo process, obtain the second new left audio Signal;
6th mix module:Audio sources for being input into when the audio sources selected input module are 5.1 sound channels During audio, the decoder is decoded right audio channel, right surround channel audio, center channels audio and the bass sound of output Channel audio carries out stereo process, obtains the second new right channel audio signal;When the audio sources selected input module is input into Audio sources be 7.1 channel audio when, the decoder is decoded into the right audio channel of output, the right surround sound Stereo process is carried out around channel audio behind channel audio, center channels audio, subwoofer channel audio and the right side, the second new right sound is obtained Audio channel signal;
First gating module:For to the described first new left channel audio signal and the second new left channel audio signal Selection output is carried out, and the selected first new left channel audio signal or the second new left channel audio signal is defeated Go out to first power amplifier;
Second gating module:For to the described first new right channel audio signal and the second new right channel audio signal Selection output is carried out, and the selected first new right channel audio signal or the second new right channel audio signal is defeated Go out to second power amplifier.
Preferably, the sound system of the television set also includes first switch control module and second switch control module, The first switch control module is used for:The work shape of the left channel loudspeaker and the right channel loudspeaker is controlled simultaneously State;The second switch control module is used for:Control the working condition of the wireless acoustics equipment.
Preferably, the sound system of the television set also includes volume adjusting module, and it is right that the volume adjusting module is used for The volume of total volume of the sound system of the television set and each channel audio that output is decoded to the decoder is distinguished It is adjusted.
Preferably, the multichannel audio information source that the audio sources selected input module is input into be from HDMI, network, The multichannel audio information source that USB, SD card or mobile hard disk are exported.
The present invention provides a kind of sound system of television set, and the sound system of the television set includes audio sources selected input Module:Multichannel audio information source for being input into television set carries out selection input;Decoder:For being believed according to the audio The type of the multichannel audio information source that source selected input module is input into, decodes to the multichannel audio information source;First Mix module:Left audio for the decoder to be decoded output carries out stereo process with center channels audio, obtains To the first new left channel audio signal;Second mix module:For the decoder is decoded the right audio channel of output with Center channels audio row stereo process, obtains the first new right channel audio signal;First power amplifier:For to described first New left channel audio signal is amplified treatment;Second power amplifier:For entering to the described first new right channel audio signal Row enhanced processing;Left channel loudspeaker:For exporting the described first new left channel audio signal after amplifying;R channel is raised one's voice Device:For exporting the described first new right channel audio signal after amplifying.The sound system of television set of the present invention can reappear many Sound channel effect, also, also have the advantages that nextport hardware component NextPort is less and hardware cost is relatively low.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 is the modular structure schematic diagram of the sound system first embodiment of television set of the present invention;
Fig. 2 is the modular structure schematic diagram of the sound system second embodiment of television set of the present invention;
Fig. 3 is the modular structure schematic diagram of the sound system 3rd embodiment of television set of the present invention;
Fig. 4 is the modular structure schematic diagram of the sound system fourth embodiment of television set of the present invention;
Fig. 5 is the modular structure schematic diagram of the embodiment of sound system the 5th of television set of the present invention.
The realization of the object of the invention, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention provides a kind of sound system of television set, reference picture 1, and Fig. 1 is the sound system the of television set of the present invention The modular structure schematic diagram of one embodiment, in the present embodiment, the sound system of the television set includes being arranged inside television set 100 Audio sources selected input module 101, decoder 102, the first mix module 103, the second mix module 104, the first power Amplifier 105, the second power amplifier 106, left channel loudspeaker 107, right channel loudspeaker 108, multi-path ANTENNAUDIO hair Penetrate module 109 and the wireless acoustics equipment 200 being arranged at outside television set.
Wherein, the audio sources selected input module 101, for the multichannel audio letter being input into television set 100 Source carries out selection input.In the present embodiment, the multichannel audio information source that the audio sources selected input module 101 is input into can Think the multichannel audio information source exported from HDMI, network, USB, SD card or mobile hard disk.The audio sources gating is defeated The type for entering the multichannel audio information source that module 101 is input into includes 5.1 channel audios, 7.1 channel audios, 9.1 channel audios And 11.1 channel audios etc..Wherein, 5.1 channel audios and 7.1 channel audios are most common multichannel audio information source.
The decoder 102, for the multichannel audio information source being input into according to the audio sources selected input module Type, the multichannel audio information source is decoded.
Specifically, the multichannel audio information source that the present embodiment is input into the audio sources selected input module 101 Type is 5.1 channel audios example, to the present embodiment in the function of the decoder 102 be described in detail.When the audio When the type of the multichannel audio information source that information source selected input module 101 is input into is 5.1 channel audio, the decoder 102 5.1 channel audio being input into is decoded into left audio, a left side around channel audio, center channels audio, subwoofer channel Audio, right audio channel and right surround channel audio;
First mix module 103, the left audio for the decoder 102 to be decoded output puts sound with Channel audio carries out stereo process, obtains the first new left channel audio signal.
Second mix module 104, right audio channel and center channels for the decoder to be decoded output Audio row stereo process, obtains the first new right channel audio signal.
First power amplifier 105:For being amplified treatment to the described first new left channel audio signal.
Second power amplifier 106:For being amplified treatment to the described first new right channel audio signal.
The left channel loudspeaker 107, for exporting the described first new left channel audio signal after amplifying.
The right channel loudspeaker 108, for exporting the described first new right channel audio signal after amplifying.
The multi-path ANTENNAUDIO transmitter module 109, for being input into when the audio sources selected input module 101 Audio sources when being 5.1 channel audio, a left side circular channel audio, the right surround sound that the decoder 102 decode into output Channel audio and subwoofer channel audio are launched to the wireless acoustics equipment 200 through wireless network;
The wireless acoustics equipment 200, for receiving the audio that the multi-path ANTENNAUDIO transmitter module 109 is launched Signal, and audio signal to receiving is amplified treatment, and play the audio signal after enhanced processing.
In the present embodiment, the left channel loudspeaker 107 and the right channel loudspeaker 108 be the television set 100 from The loudspeaker of band.The wireless acoustics equipment 200 is the external wireless acoustics equipment of television set.
Further, in the present embodiment, the wireless acoustics equipment includes bass sound equipment 201, a left side around sound equipment 202 and the right side Around sound equipment 203.
Wherein, the bass sound equipment 201, for receiving the sound that the multi-path ANTENNAUDIO transmitter module 101 is launched Subwoofer channel audio in frequency signal, and treatment is amplified to the subwoofer channel audio, and export the institute after enhanced processing State subwoofer channel audio;
It is described left around sound equipment 202, for receiving the audio letter that the multi-path ANTENNAUDIO transmitter module 101 is launched A left side in number is amplified treatment around channel audio to the left channel audio that surround, and exports the institute after enhanced processing State left around channel audio;
The right surround sound equipment 203, for receiving the audio letter that the multi-path ANTENNAUDIO transmitter module 101 is launched Right surround channel audio in number, and treatment is amplified to the right surround channel audio, and export the institute after enhanced processing State right surround channel audio.
In the present embodiment, by the decoder 102 decode output center channels audio simultaneously with the decoder 102 left audios and right audio channel for decoding output carry out audio mixing, then again by the left channel loudspeaker 107 and institute State right channel loudspeaker 108 and send sound, and according to the physiological property of human ear, user can significantly hear that the L channel is raised one's voice The sound that device 107 and the right channel loudspeaker 108 send sends from electroacoustic M signal, therefore, the present embodiment TV The sound system of machine puts sound equipment in need not in addition setting one, you can realize the reproduction of center channels audio signal.
The sound system of the present embodiment television set, when the multichannel that the audio sources selected input module 101 is input into When audio sources are 5.1 channel audio, the left channel loudspeaker 107, the right channel loudspeaker carried using television set 108 and the external bass sound equipment 201, left around sound equipment 202 and right surround sound equipment 203, it becomes possible to reappear 5.1 sound channel sounds Frequently original multichannel effect;Also, the wireless acoustics equipment 200 in the sound system of the present embodiment television set is due to only Independent 3 road audio amplifiers (i.e. described bass sound equipment 201, the left side are around sound equipment 202 and the right surround sound equipment 203) are needed, therefore, The sound system of the present embodiment television set has the advantages that nextport hardware component NextPort is less and hardware cost is relatively low.
Further, reference picture 2, when the multichannel audio information source that the audio sources selected input module 101 is input into During for 7.1 channel audio, the decoder 102 is used for:7.1 sound that the audio sources selected input module 101 is input into Channel audio is decoded into left audio, a left side around channel audio, left back circular channel audio, center channels audio, subwoofer channel Around channel audio behind audio, right audio channel, right surround channel audio and the right side;
The multi-path ANTENNAUDIO transmitter module 109 is used for:The decoder 102 is decoded the left surround sound of output Around channel audio and subwoofer channel audio through wireless network behind channel audio, right surround channel audio, left back circular channel audio, the right side Network is launched to the wireless acoustics equipment 200;
In the present embodiment, the wireless acoustics equipment 200 includes bass sound equipment 201, a left side around sound equipment 202, right surround sound Sound equipment 205 is surround after ringing 203, left back circular sound equipment 204 and the right side.
Wherein, the bass sound equipment 201, for receiving the sound that the multi-path ANTENNAUDIO transmitter module 101 is launched Subwoofer channel audio in frequency signal, and treatment is amplified to the subwoofer channel audio, and export the institute after enhanced processing State subwoofer channel audio;
It is described left around sound equipment 202, for receiving the audio letter that the multi-path ANTENNAUDIO transmitter module 101 is launched A left side in number is amplified treatment around channel audio to the left channel audio that surround, and exports the institute after enhanced processing State left around channel audio;
The right surround sound equipment 203, for receiving the audio letter that the multi-path ANTENNAUDIO transmitter module 101 is launched Right surround channel audio in number, and treatment is amplified to the right surround channel audio, and export the institute after enhanced processing State right surround channel audio.
The left back circular sound equipment 204:For receiving the audio that the multi-path ANTENNAUDIO transmitter module 101 is launched Left back circular channel audio in signal, and treatment is amplified to the left back circular channel audio, and export enhanced processing Described left back circular channel audio afterwards;
Around sound equipment 205 behind the right side:For receiving the audio that the multi-path ANTENNAUDIO transmitter module 101 is launched Around channel audio behind the right side in signal, and to being amplified treatment around channel audio behind the right side, and export enhanced processing Around channel audio behind the right side afterwards.
In the present embodiment, first mix module 103, second mix module 104, first power amplifier 105th, the function of second power amplifier 106, the left channel loudspeaker 107 and the right channel loudspeaker 108 with it is upper State first embodiment identical, here is omitted.
The sound system of the present embodiment television set, when the multichannel that the audio sources selected input module 101 is input into When audio sources are 7,1 channel audio, the left channel loudspeaker 107, the right channel loudspeaker carried using television set 108 and the external bass sound equipment 201, left around sound equipment 202, right surround sound equipment 203, left back circular sound equipment 204 and the right side Afterwards around sound equipment 205, it becomes possible to reappear the original multichannel effect of 7.1 channel audios;Also, the sound equipment of the present embodiment television set System also has the advantages that nextport hardware component NextPort is less and hardware cost is relatively low.
Further, reference picture 3, the sound system first embodiment based on television set of the present invention, in television set of the present invention Sound system 3rd embodiment in, the sound system of the television set also includes the 3rd mix module 110 and the 4th mix module 111。
Wherein, the 3rd mix module 110:For the audio letter being input into when the audio sources selected input module When source is 5.1 channel audio, the left side that the decoder 101 decodes output is carried out around channel audio with subwoofer channel audio Mixed processing, obtains new left around channel audio;
4th mix module 111:For the audio sources being input into when the audio sources selected input module 101 During for 5.1 channel audio, the right surround channel audio that the decoder 102 decodes output is mixed with subwoofer channel audio Conjunction is processed, and obtains new right surround channel audio;
In the present embodiment, the multi-path ANTENNAUDIO transmitter module 109 is used for:3rd mix module 110 is defeated The described new left described new right surround channel audio exported around channel audio and the 4th mix module 111 for going out is through wireless Network launches are to the wireless acoustics equipment 200;
In the present embodiment, the wireless acoustics equipment 200 only includes described left around sound equipment 202 and the right surround sound equipment 203.In the present embodiment, the left sound equipment 202 that surround is used for:Receive the transmitting of multi-path ANTENNAUDIO transmitter module 109 It is described new left around channel audio, and to it is described it is new it is left be amplified treatment around channel audio, and after playing enhanced processing It is described new left around channel audio;In the present embodiment, the right surround sound equipment 203 is used for:Receive the multi-path ANTENNAUDIO The described new right surround channel audio of the transmitting of transmitter module 109, and treatment is amplified to the new right surround channel audio, and Play the described new right surround channel audio after enhanced processing.
The sound system of the present embodiment television set, because the directionality of subwoofer channel audio signal is not strong, the present embodiment can Suitably do big with by the left sound box around sound equipment 202 and the right surround sound equipment 203, you can reproducing bass sound sound channel sound The effect of frequency.Specifically, the sound system of the present embodiment television set is by the decoder by the 3rd mix module 110 101 left sides for decoding output carry out mixed processing around channel audio and subwoofer channel audio, obtain new left around channel audio; And the decoder 102 is decoded the right surround channel audio and bass sound of output by the 4th mix module 111 Channel audio carries out mixed processing, obtains new right surround channel audio, then again by described left described to play around sound equipment 202 It is new left around channel audio, the new right surround channel audio, i.e. the present embodiment are played by the right surround sound equipment 203 In, the subwoofer channel audio is reset by the left side around sound equipment 202 and the right surround sound equipment 203, therefore, this reality The sound system of the television set of the sound system relative to above-mentioned first embodiment of a television set is applied, the bass sound can be saved Case 201, so as to create a further reduction hardware cost.
It is understood that in the present embodiment, when the audio sources that the audio sources selected input module is input into are During 7.1 channel audio, the 3rd mix module 110 is used for:By the decoder decode the left side of output around channel audio, Left back circular channel audio and subwoofer channel audio carry out mixed processing, obtain new left around channel audio;4th audio mixing Module 111 is used for:Channel audio and subwoofer channel are surround behind right surround channel audio, the right side that the decoder is decoded output Audio carries out mixed processing, obtains new right surround channel audio.When the audio that the audio sources selected input module is input into When information source is 7.1 channel audio, the function of other each modules is identical when being 5.1 channel audio with audio sources, no longer goes to live in the household of one's in-laws on getting married herein State.
Further, reference picture 4, the sound system 3rd embodiment based on television set of the present invention, in television set of the present invention Sound system fourth embodiment in, the sound system of the television set also includes the 5th mix module 112, the 6th mix module 113rd, the first gating module 114 and the second gating module 115.
Wherein, the 5th mix module 112:For the sound being input into when the audio sources selected input module 101 When frequency information source is 5.1 channel audio, by the decoder 102 decode the left audio of output, left circular channel audio, in Putting channel audio and subwoofer channel audio carries out stereo process, obtains the second new left channel audio signal;
6th mix module 113:For the audio sources being input into when the audio sources selected input module 101 During for 5.1 channel audio, the decoder 102 is decoded right audio channel, right surround channel audio, the center channels of output Audio and subwoofer channel audio carry out stereo process, obtain the second new right channel audio signal;
First gating module 114:For the described first new L channel sound exported to first mix module 103 Frequency signal and the described second new left channel audio signal of the 5th mix module 112 output carry out selection output, and by institute The described first new left channel audio signal or the second new left channel audio signal of selection are exported to first power and put Big device 105;
Second gating module 115:For the described first new R channel sound exported to second mix module 104 Frequency signal and the described second new right channel audio signal of the 6th mix module 113 output carry out selection output, and by institute The described first new right channel audio signal or the second new right channel audio signal of selection are exported to second power and put Big device 106.
The sound system of the present embodiment television set, realizes controlling the television set by first gating module 114 What 100 left speaker 107 was played is the described first new left channel audio signal after amplifying or described after amplifying Second new left channel audio signal, realizes controlling the right side of the television set 100 to raise by second gating module 115 What sound device 108 was played is the described first new right channel audio signal after amplifying or the described second new R channel sound after amplification Frequency signal.In actual applications, the He of the first gating module 114 can be realized by TV remote controller and TV menu Selection operation of second gating module 115 to TV loudspeaker institute playing audio signal.
It is understood that when the audio sources that the audio sources selected input module is input into are 7.1 channel audios When, the 5th mix module 112 is used for:The decoder 102 is decoded into left audio, the left side of output around sound channel sound Frequently, center channels audio, subwoofer channel audio and left back circular channel audio carry out stereo process, obtain the second new L channel sound Frequency signal.
6th mix module 113 is used for:The decoder 102 is decoded the right audio channel, the institute of output Stereo process is carried out around channel audio after stating right surround channel audio, center channels audio, subwoofer channel audio and the right side, is obtained Second new right channel audio signal.
It should be noted that when the audio sources that the audio sources selected input module is input into are 7.1 channel audios When, the function of other each modules of the sound system of the present embodiment television set is identical when being 5.1 channel audio with audio sources, this Place repeats no more.
The sound system of the present embodiment television set is on the basis of with all beneficial effects of above-mentioned 3rd embodiment, moreover it is possible to The audio signal that enough loudspeakers to the television set 100 itself are played carries out selection control.
Further, reference picture 5, the sound system fourth embodiment based on television set of the present invention, in television set of the present invention The embodiment of sound system the 5th in, the sound system of the television set also includes first switch control module 116 and second switch Control module 117, the first switch control module 116 is used for:Control the left channel loudspeaker 107 and the right sound simultaneously The working condition of road loudspeaker 108;The second switch control module 117 is used for:Control the work of the wireless acoustics equipment 200 Make state.
Specifically, in the present embodiment, the first switch control module 116 and second switch control module 117 are respectively provided with In the inside of the television set 100.In actual applications, can be by way of TV remote controller coordinates TV menu come real The switch selection control function of the existing first switch control module 116 and second switch control module 117.Specifically, this reality It is that opening for the first switch control module 116 and the second switch control module 117 is set by TV menu to apply example And pass, then coordinating TV remote controller, user is realized by pressing on TV remote controller default switch selection key The switch selection control function of the first switch control module 116 and second switch control module 117.
Further, the sound system of the present embodiment television set also includes volume adjusting module (not shown), the volume Adjustment module is used to decode each of output to total volume of the sound system of described television set and to the decoder 102 The volume of channel audio is adjusted respectively.
In actual applications, the volume adjusting can be realized by way of TV remote controller coordinates TV menu The volume adjusting function of module.Specifically, in the present embodiment, the volume adjusting module is by controlling decoded each sound channel The amplitude of audio signal controls the sound size of each sound equipment.
Further, the sound system of the present embodiment television set also connects including HDMI ARC, optical fiber interface and coaxial audio Mouth (not shown), the HDMI ARC, optical fiber interface or coaxial COBBAIF are used for:By the audio sources selected input module The multichannel audio information source being input into described in 101 is exported to the multi-channel audio equipment (not shown) for being placed on the television set 100, External multi-channel audio equipment is decoded to the multichannel audio, and decoded each channel audio is external more by this The audio amplifier of the corresponding sound channel of sound channel stereo set sends sound.
The sound system of the present embodiment television set, can be with the basis of with all beneficial effects of above-mentioned fourth embodiment By the first switch control module 116 and the switch control action of the second switch control module 117, only with TV The loudspeaker (i.e. described left channel loudspeaker 107 and the right channel loudspeaker 108) that machine is carried is come after playing multichannel audio mixing Signal, it would however also be possible to employ the loudspeaker and external wireless acoustics equipment 200 that television set is carried come together reappear it is original many Sound channel effect;Also, because the sound system of the present embodiment television set is additionally arranged the volume adjusting module, therefore, this implementation Example each channel audio volume be it is controllable, user can (i.e. described L channel be raised according to the size of television set size The spacing of sound device 107 and the right channel loudspeaker 108) and the putting position of each sound equipment be slightly different to adjust each sound The sound pressure level ratio in road, the acoustics most satisfied so as to obtain user.
The preferred embodiments of the present invention are these are only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills Art field, is included within the scope of the present invention.

Claims (10)

1. a kind of sound system of television set, it is characterised in that the sound system of the television set includes:
Audio sources selected input module:Multichannel audio information source for being input into television set carries out selection input;
Decoder:The type of the multichannel audio information source for being input into according to the audio sources selected input module, to institute Multichannel audio information source is stated to be decoded;
First mix module:Left audio for the decoder to be decoded output carries out audio mixing with center channels audio Treatment, obtains the first new left channel audio signal;
Second mix module:For at right audio channel and center channels audio row audio mixing that the decoder is decoded output Reason, obtains the first new right channel audio signal;
First power amplifier:For being amplified treatment to the described first new left channel audio signal;
Second power amplifier:For being amplified treatment to the described first new right channel audio signal;
Left channel loudspeaker:For exporting the described first new left channel audio signal after amplifying;
Right channel loudspeaker:For exporting the described first new right channel audio signal after amplifying.
2. the sound system of television set as claimed in claim 1, it is characterised in that the sound system of the television set also includes Multi-path ANTENNAUDIO transmitter module and wireless acoustics equipment, wherein:
The multi-path ANTENNAUDIO transmitter module, for the audio sources being input into when the audio sources selected input module During for 5.1 channel audio, the decoder is decoded into a left side for output around channel audio, right surround channel audio and bass sound Channel audio is launched to the wireless acoustics equipment through wireless network;When the audio that the audio sources selected input module is input into When information source is 7.1 channel audio, the decoder is decoded into a left side for output around channel audio, right surround channel audio, a left side Launch to the wireless acoustics through wireless network around channel audio and subwoofer channel audio behind channel audio, the right side afterwards and set It is standby;
The wireless acoustics equipment is for receiving the audio signal that the multi-path ANTENNAUDIO transmitter module is launched and right The audio signal for receiving is amplified treatment, and plays the audio signal after enhanced processing.
3. the sound system of television set as claimed in claim 1, it is characterised in that the left channel loudspeaker and the right sound The loudspeaker that road loudspeaker is carried for television set, the wireless acoustics equipment is the external wireless acoustics equipment of television set.
4. the sound system of television set as claimed in claim 2, it is characterised in that when the audio sources selected input module When the type of the multichannel audio information source of input is 5.1 channel audio, the wireless acoustics equipment includes:
Bass sound equipment, for receiving the subwoofer channel sound in the audio signal that the multi-path ANTENNAUDIO transmitter module is launched Frequently, treatment and to the subwoofer channel audio is amplified, and exports the subwoofer channel audio after enhanced processing;
A left side surround sound equipment, for receiving the left surround sound in the audio signal that the multi-path ANTENNAUDIO transmitter module is launched Channel audio, and treatment is amplified to the left channel audio that surround, and export described left around sound channel sound after enhanced processing Frequently;
Right surround sound equipment, for receiving the right surround sound in the audio signal that the multi-path ANTENNAUDIO transmitter module is launched Channel audio, and treatment is amplified to the right surround channel audio, and export the right surround sound channel sound after enhanced processing Frequently.
5. the sound system of television set as claimed in claim 4, it is characterised in that when the audio sources selected input module When the type of the multichannel audio information source of input is 7.1 channel audio, the wireless acoustics equipment also includes:
Left back circular sound equipment:For receiving the left back ring in the audio signal that the multi-path ANTENNAUDIO transmitter module is launched Around channel audio, and treatment is amplified to the left back circular channel audio, and exports the described left back ring after enhanced processing Around channel audio;
Around sound equipment behind the right side:For receiving ring behind the right side in the audio signal that the multi-path ANTENNAUDIO transmitter module is launched Around channel audio, and to being amplified treatment around channel audio behind the right side, and export ring behind the right side after enhanced processing Around channel audio.
6. the sound system of television set as claimed in claim 2, it is characterised in that the sound system of the television set is also wrapped Include:
3rd mix module:Audio sources for being input into when the audio sources selected input module are 5.1 channel audios When, the left side that the decoder decodes output is carried out into mixed processing around channel audio and subwoofer channel audio, obtain a new left side Around channel audio;When the audio sources that the audio sources selected input module is input into are 7.1 channel audio, will be described The left side that decoder decodes output carries out mixed processing around channel audio, left back circular channel audio and subwoofer channel audio, Obtain new left around channel audio;
4th mix module:Audio sources for being input into when the audio sources selected input module are 5.1 channel audios When, the decoder is decoded into the right surround channel audio of output and subwoofer channel audio carries out mixed processing, obtains the new right side Around channel audio;When the audio sources that the audio sources selected input module is input into are 7.1 channel audio, will be described Decoder carries out mixed processing after decoding the right surround channel audio of output, the right side around channel audio and subwoofer channel audio, Obtain new right surround channel audio;
The multi-path ANTENNAUDIO transmitter module is additionally operable to:Will be described new left around channel audio and the new right surround sound channel Audio is launched through wireless network;
The wireless acoustics equipment includes a left side around sound equipment and right surround sound equipment, and the left sound equipment that surround is used for:Receive described new A left side is amplified treatment around channel audio to the new left channel audio that surround, and plays described new after enhanced processing A left side is around channel audio;The right surround sound equipment is used for:The new right surround channel audio is received, and to the new right surround sound Channel audio is amplified treatment, and plays the described new right surround channel audio after enhanced processing.
7. the sound system of television set as claimed in claim 6, it is characterised in that the sound system of the television set is also wrapped Include:
5th mix module:Audio sources for being input into when the audio sources selected input module are 5.1 channel audios When, the decoder is decoded into left audio, the left side of output around channel audio, center channels audio and subwoofer channel sound Frequency carries out stereo process, obtains the second new left channel audio signal;When the sound that the audio sources selected input module is input into When frequency information source is 7.1 channel audio, by the decoder decode the left audio of output, left circular channel audio, in put Channel audio, subwoofer channel audio and left back circular channel audio carry out stereo process, obtain the second new left channel audio signal;
6th mix module:Audio sources for being input into when the audio sources selected input module are 5.1 channel audios When, the decoder is decoded right audio channel, right surround channel audio, center channels audio and the subwoofer channel sound of output Frequency carries out stereo process, obtains the second new right channel audio signal;When the sound that the audio sources selected input module is input into When frequency information source is 7.1 channel audio, the decoder is decoded into the right audio channel of output, the right surround sound channel sound Frequently stereo process, is carried out around channel audio behind center channels audio, subwoofer channel audio and the right side, the second new R channel sound is obtained Frequency signal;
First gating module:For being carried out to the described first new left channel audio signal and the second new left channel audio signal Selection output, and by the selected first new left channel audio signal or the second new left channel audio signal export to First power amplifier;
Second gating module:For being carried out to the described first new right channel audio signal and the second new right channel audio signal Selection output, and by the selected first new right channel audio signal or the second new right channel audio signal export to Second power amplifier.
8. the sound system of television set as claimed in claim 2, it is characterised in that the sound system of the television set also includes First switch control module and second switch control module, the first switch control module are used for:Control the left sound simultaneously The working condition of road loudspeaker and the right channel loudspeaker;The second switch control module is used for:Control the wireless sound The working condition of the equipment of sound.
9. the sound system of the television set as any one of claim 1 to 8, it is characterised in that the sound of the television set Acoustic system also includes volume adjusting module, the volume adjusting module be used for total volume of the sound system of the television set with And the volume of each channel audio of output is decoded to the decoder be adjusted respectively.
10. the sound system of the television set as any one of claim 1 to 8, it is characterised in that the audio sources choosing The multichannel audio information source that logical input module is input into be from HDMI, network, USB, SD card or mobile hard disk exported it is many Channel audio information source.
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