CN106792333A - The sound system of television set - Google Patents
The sound system of television set Download PDFInfo
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- 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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
- H04R2430/01—Aspects of volume control, not necessarily automatic, in sound systems
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
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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
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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