CN106792333B - The sound system of television set - Google Patents
The sound system of television set Download PDFInfo
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- CN106792333B CN106792333B CN201611202206.8A CN201611202206A CN106792333B CN 106792333 B CN106792333 B CN 106792333B CN 201611202206 A CN201611202206 A CN 201611202206A CN 106792333 B CN106792333 B CN 106792333B
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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 inputting multichannel audio information source, decoder: for being decoded to multichannel audio information source；First mix module: for the left channel audio of decoder institute decoded output and center channels audio to be carried out audio mixing, the first new left channel audio signal is obtained；Second mix module: for obtaining the first new right channel audio signal for the right audio channel of decoder institute decoded output and center channels audio row audio mixing；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 amplified first new left channel audio signal；Right channel loudspeaker: for exporting the amplified first new right channel audio signal.The present invention can reappear multichannel effect, also, also have a lower advantage of hardware cost.
Description
Technical field
The present invention relates to field of television more particularly to a kind of sound systems of television set.
Background technique
In the prior art, audio (such as 9.1 sound of the television set to 5.1 channel audios and the even more sound channels of 7.1 channel audios
Channel audio and 11.1 channel audios) processing method usually have following two: (one) television set to the multichannel audio of input into
Row decoding, then will decoded each channel audio progress stereo process, audio mixing at left channel audio and right audio channel, then from
The left and right loudspeaker of television set makes a sound；(2) television set is not decoded multichannel audio, but passes through corresponding sound
Frequency interface (such as HDMI ARC, optical fiber interface or coaxial audio interface) exports the source code of the multichannel audio of input to external
Multi-channel audio equipment, external multi-channel audio equipment are decoded the multichannel audio, decoded each channel audio
It is made a sound by the speaker of the corresponding sound channel of the external multi-channel audio equipment.
However, due to the loudspeaker (i.e. left speaker and right loudspeaker) of usually only two sound channels of television set, above-mentioned side
The acoustics of method (one) is difficult to reappear original multichannel effect, especially acoustic image and telepresenc loss is serious；And above-mentioned side
Method (two) then needs to cooperate external multi-channel audio equipment that could reappear original multichannel effect.For example, when television set is defeated
When the multichannel audio information source entered is 5.1 channel audio, then external multi-channel audio equipment needs independent 6 road speaker 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 external multi-channel audio equipment needs independent 8 road speaker to be just able to achieve the original multichannel effect of 7.1 channel audio
Fruit；I.e. there are hardware component is more and the higher defect of hardware cost for the above method (two).
Summary of the invention
The main purpose of the present invention is to provide a kind of sound systems of television set, it is intended to can guarantee to reappear multichannel effect
While fruit, reduces hardware component and reduce hardware cost.
To achieve the goals above, the present invention provides a kind of sound system of television set, the sound system of the television set
Include:
Audio sources selected input module: the multichannel audio information source for being inputted to television set carries out selection input；
Decoder: the type of the multichannel audio information source for being inputted according to the audio sources selected input module,
The multichannel audio information source is decoded；
First mix module: for carrying out the left channel audio of decoder institute decoded output and center channels audio
Stereo process obtains the first new left channel audio signal；
Second mix module: for mixing the right audio channel of decoder institute decoded output with center channels audio row
Sound processing, obtains the first new right channel audio signal；
First power amplifier: for amplifying processing to the described first new left channel audio signal；
Second power amplifier: for amplifying processing to the described first new right channel audio signal；
Left channel loudspeaker: for exporting the amplified first new left channel audio signal；
Right channel loudspeaker: for exporting the amplified first new right channel audio signal.
Preferably, the sound system of the television set further includes that multi-path wireless audio transmitting module and wireless acoustics are set
It is standby, in which:
The multi-path wireless audio transmitting module, the audio for being inputted when the audio sources selected input module
When information source is 5.1 channel audio, by a left side for decoder institute decoded output around channel audio, right surround channel audio and low
Speech channel audio emits through wireless network to the wireless acoustics equipment；It is inputted when the audio sources selected input module
When audio sources are 7.1 channel audio, by a left side for decoder institute decoded output around channel audio, right surround sound channel sound
Frequently, emit through wireless network to the wireless sound behind left back circular channel audio, the right side around channel audio and subwoofer channel audio
Ring equipment；
The wireless acoustics equipment, the audio signal emitted for receiving the multi-path wireless audio transmitting module,
And processing is amplified to the audio signal received, and play the audio signal after enhanced processing.
Preferably, the left channel loudspeaker and the right channel loudspeaker are the loudspeaker that television set carries.
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
When audio, the wireless acoustics equipment includes:
Bass sound equipment, for receiving the bass sound in the audio signal that the multi-path wireless audio transmitting module is emitted
Channel audio, and processing is amplified to the subwoofer channel audio, and export the subwoofer channel audio after enhanced processing；
A left side is around sound equipment, for receiving the left ring in the audio signal that the multi-path wireless audio transmitting module is emitted
Processing is amplified around channel audio, and to the left channel audio that surround, and exports the 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 wireless audio transmitting module is emitted
Processing is amplified around channel audio, and 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
When audio, the wireless acoustics equipment further include:
Left back circular sound equipment: for receiving the left side in the audio signal that the multi-path wireless audio transmitting module is emitted
Afterwards around channel audio, and processing is amplified to the left back circular channel audio, and export 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 wireless audio transmitting module is emitted
Afterwards around channel audio, and processing is amplified around channel audio to behind the right side, and export the right side after enhanced processing
Afterwards around channel audio.
Preferably, the sound system of the television set further include:
Third mix module: the audio sources for being inputted when the audio sources selected input module are 5.1 sound channels
When audio, a left side for decoder institute decoded output is subjected to mixed processing around channel audio and subwoofer channel audio, is obtained
It is new left around channel audio；It, will when the audio sources that the audio sources selected input module is inputted are 7.1 channel audio
A left side for decoder institute decoded output carries 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: the audio sources for being inputted when the audio sources selected input module are 5.1 sound channels
When audio, the right surround channel audio of decoder institute decoded output and subwoofer channel audio are subjected to mixed processing, obtained
New right surround channel audio；It, will when the audio sources that the audio sources selected input module is inputted are 7.1 channel audio
The right surround channel audio of decoder institute decoded output, it is right after carried out at mixing around channel audio and subwoofer channel audio
Reason, obtains new right surround channel audio；
The multi-path wireless audio transmitting module is also used 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 left around sound equipment and right surround sound equipment, and the left sound equipment that surround is used for: receiving institute
A new left side is stated around channel audio, and processing is amplified to the new left channel audio that surround, and play the institute after enhanced processing
It states new left around channel audio；The right surround sound equipment is used for: receiving the new right surround channel audio, and to the new right ring
Processing is amplified around channel audio, and plays the new right surround channel audio after enhanced processing.
Preferably, the sound system of the television set further include:
5th mix module: the audio sources for being inputted when the audio sources selected input module are 5.1 sound channels
When audio, by the left channel audio of decoder institute decoded output, a left side 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 inputted
Audio sources when being 7.1 channel audio, by the left channel audio of decoder institute decoded output, it is left around channel audio,
Center channels 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: the audio sources for being inputted when the audio sources selected input module are 5.1 sound channels
When audio, by the right audio channel of decoder institute decoded output, right surround channel audio, center channels audio and bass sound
Channel audio carries out stereo process, obtains the second new right channel audio signal；When the audio sources selected input module is inputted
Audio sources be 7.1 channel audio when, by the right audio channel of decoder institute decoded 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, obtains the second new right sound
Audio channel signal；
First gating module: for 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
Out to first power amplifier；
Second gating module: for 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
Out to second power amplifier.
Preferably, the sound system of the television set further includes first switch control module and second switch control module,
The first switch control module is used for: while controlling the work shape of the left channel loudspeaker and the right channel loudspeaker
State；The second switch control module is used for: controlling the working condition of the wireless acoustics equipment.
Preferably, the sound system of the television set further includes volume adjusting module, the volume adjusting module for pair
The volume difference of total volume of the sound system of the television set and each channel audio to decoder institute decoded output
It is adjusted.
Preferably, the multichannel audio information source that the audio sources selected input module is inputted 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: the multichannel audio information source for being inputted to television set carries out selection input；Decoder: for being believed according to the audio
The type for the multichannel audio information source that source selected input module is inputted is decoded the multichannel audio information source；First
Mix module: it for the left channel audio of decoder institute decoded output and center channels audio to be carried out stereo process, obtains
To the first new left channel audio signal；Second mix module: for by the right audio channel of decoder institute decoded output with
Center channels audio row stereo process, obtains the first new right channel audio signal；First power amplifier: for described first
New left channel audio signal amplifies processing；Second power amplifier: for the described first new right channel audio signal into
Row enhanced processing；Left channel loudspeaker: for exporting the amplified first new left channel audio signal；Right channel loudspeaking
Device: for exporting the amplified first new right channel audio signal.The sound system of television set of the present invention can reappear more
Sound channel effect, also, also have the advantages that hardware component is less and hardware cost is lower.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached 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 5th embodiment of sound system of television set of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
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, and referring to Fig.1, 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 set to 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 wireless audio hair
The wireless acoustics equipment 200 penetrating module 109 and being set to outside television set.
Wherein, the audio sources selected input module 101, the multichannel audio letter for being inputted to 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 inputted 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 inputted includes 5.1 channel audios, 7.1 channel audios, 9.1 channel audios
And 11.1 channel audio etc..Wherein, 5.1 channel audios and 7.1 channel audios are most common multichannel audio information source.
The decoder 102, the multichannel audio information source for being inputted 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 inputted with the audio sources selected input module 101
Type is 5.1 channel audio examples, and the function of the decoder 102 in the present embodiment is described in detail.When the audio
When the type for the multichannel audio information source that information source selected input module 101 is inputted is 5.1 channel audio, the decoder 102
5.1 channel audio of input is decoded into left channel audio, is left around channel audio, center channels audio, subwoofer channel
Audio, right audio channel and right surround channel audio；
First mix module 103, for the left channel audio of 102 decoded outputs of decoder to be set sound in
Channel audio carries out stereo process, obtains the first new left channel audio signal.
Second mix module 104, for by the right audio channel and center channels of decoder institute decoded output
Audio row stereo process obtains the first new right channel audio signal.
First power amplifier 105: for amplifying processing to the described first new left channel audio signal.
Second power amplifier 106: for amplifying processing to the described first new right channel audio signal.
The left channel loudspeaker 107, for exporting the amplified first new left channel audio signal.
The right channel loudspeaker 108, for exporting the amplified first new right channel audio signal.
The multi-path wireless audio transmitting module 109, for being inputted when the audio sources selected input module 101
Audio sources when being 5.1 channel audio, by a left side for 102 decoded outputs of decoder around channel audio, right surround sound
Channel audio and subwoofer channel audio emit through wireless network to the wireless acoustics equipment 200；
The wireless acoustics equipment 200, the audio emitted for receiving the multi-path wireless audio transmitting module 109
Signal, and processing is amplified to the audio signal received, 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 this 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, the sound emitted for receiving the multi-path wireless audio transmitting module 101
Subwoofer channel audio in frequency signal, and processing 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, the audio letter emitted for receiving the multi-path wireless audio transmitting module 101
A left side in number amplifies processing around channel audio, and to the left channel audio that surround, and exports the institute after enhanced processing
It states left around channel audio；
The right surround sound equipment 203, the audio letter emitted for receiving the multi-path wireless audio transmitting module 101
Right surround channel audio in number, and processing 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 102 decoded outputs of the decoder center channels audio simultaneously with the decoder
The left channel audio and right audio channel progress audio mixing of 102 decoded outputs, then again by the left channel loudspeaker 107 and institute
Right channel loudspeaker 108 is stated to make a sound, and according to the physiological property of human ear, user can significantly hear the L channel loudspeaking
The sound that device 107 and the right channel loudspeaker 108 issue is issued from electroacoustic M signal, therefore, the present embodiment TV
The sound system of machine, which does not need in addition to be arranged in one, sets sound equipment, and the reproduction of center channels audio signal can be realized.
The sound system of the present embodiment television set, when the multichannel that the audio sources selected input module 101 is inputted
When audio sources are 5.1 channel audio, the left channel loudspeaker 107, the right channel loudspeaker that are carried using television set
108 and the external bass sound equipment 201, left around sound equipment 202 and right surround sound equipment 203, it will be able 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 speaker (the i.e. described bass sound equipment 201, the left side are around sound equipment 202 and the right surround sound equipment 203) is needed, therefore,
The sound system of the present embodiment television set has the advantages that hardware component is less and hardware cost is lower.
Further, referring to Fig. 2, when the multichannel audio information source that the audio sources selected input module 101 is inputted
When for 7.1 channel audio, the decoder 102 is used for: 7.1 sound that the audio sources selected input module 101 is inputted
Channel audio is decoded into left channel audio, is left 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 wireless audio transmitting module 109 is used for: by the left surround sound of 102 decoded outputs of the decoder
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 emits 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, the sound emitted for receiving the multi-path wireless audio transmitting module 101
Subwoofer channel audio in frequency signal, and processing 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, the audio letter emitted for receiving the multi-path wireless audio transmitting module 101
A left side in number amplifies processing around channel audio, and to the left channel audio that surround, and exports the institute after enhanced processing
It states left around channel audio；
The right surround sound equipment 203, the audio letter emitted for receiving the multi-path wireless audio transmitting module 101
Right surround channel audio in number, and processing 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: the audio emitted for receiving the multi-path wireless audio transmitting module 101
Left back circular channel audio in signal, and processing is amplified to the left back circular channel audio, and export enhanced processing
The left back circular channel audio afterwards；
Around sound equipment 205 behind the right side: the audio emitted for receiving the multi-path wireless audio transmitting module 101
Around channel audio behind the right side in signal, and processing is amplified around channel audio to 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
105, the function of second power amplifier 106, the left channel loudspeaker 107 and the right channel loudspeaker 108 with it is upper
It is identical to state first embodiment, details are not described herein again.
The sound system of the present embodiment television set, when the multichannel that the audio sources selected input module 101 is inputted
When audio sources are 7,1 channel audio, the left channel loudspeaker 107, the right channel loudspeaker that are 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 will be able 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 hardware component is less and hardware cost is lower.
Further, referring to Fig. 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 further includes third mix module 110 and the 4th mix module
111。
Wherein, the third mix module 110: the audio letter for being inputted when the audio sources selected input module
When source is 5.1 channel audio, a left side for 101 decoded outputs of decoder is carried out around channel audio and subwoofer channel audio
Mixed processing obtains new left around channel audio；
4th mix module 111: the audio sources for being inputted when the audio sources selected input module 101
When for 5.1 channel audio, the right surround channel audio of 102 decoded outputs of the decoder is mixed with subwoofer channel audio
Conjunction processing, obtains new right surround channel audio；
In the present embodiment, the multi-path wireless audio transmitting module 109 is used for: the third mix module 110 is defeated
The new left new right surround channel audio exported around channel audio and the 4th mix module 111 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: receiving what the multi-path wireless audio transmitting module 109 emitted
It is described new left around channel audio, and to it is described it is new it is left amplify processing 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: receiving the multi-path wireless audio
The new right surround channel audio that transmitting module 109 emits, and processing is amplified to the new right surround channel audio, and
The new right surround channel audio after playing enhanced processing.
The sound system of the present embodiment television set, since the directionality of subwoofer channel audio signal is not strong, the present embodiment can
It, can reproducing bass sound sound channel sound suitably to do greatly the left sound box around sound equipment 202 and the right surround sound equipment 203
The effect of frequency.Specifically, the sound system of the present embodiment television set is by the third mix module 110 by the decoder
A left side for 101 decoded outputs carries out mixed processing around channel audio and subwoofer channel audio, obtains new left around channel audio；
And by the 4th mix module 111 by the right surround channel audio of 102 decoded outputs of the decoder and bass sound
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 to be reset by the left side around sound equipment 202 and the right surround sound equipment 203, therefore, this reality
The sound system of the sound system of a television set relative to the television set of above-mentioned first embodiment is applied, the bass sound can be saved
Case 201, 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 inputted are
When 7.1 channel audio, the third mix module 110 is used for: by a left side for decoder institute decoded 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: will surround channel audio and subwoofer channel behind the right surround channel audio of decoder institute decoded output, the right side
Audio carries out mixed processing, obtains new right surround channel audio.When the audio that the audio sources selected input module is inputted
When information source is 7.1 channel audio, the functions of other each modules is identical when with audio sources being 5.1 channel audio, no longer goes to live in the household of one's in-laws on getting married herein
It states.
Further, referring to Fig. 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 further includes the 5th mix module 112, the 6th mix module
113, the first gating module 114 and the second gating module 115.
Wherein, the 5th mix module 112: the sound for being inputted when the audio sources selected input module 101
When frequency information source is 5.1 channel audio, by the left channel audio of 102 decoded outputs of decoder, it is left around channel audio, in
It sets channel audio and subwoofer channel audio carries out stereo process, obtain the second new left channel audio signal；
6th mix module 113: the audio sources for being inputted when the audio sources selected input module 101
When for 5.1 channel audio, by right audio channel, the right surround channel audio, center channels of 102 decoded outputs of decoder
Audio and subwoofer channel audio carry out stereo process, obtain the second new right channel audio signal；
First gating module 114: the described first new L channel sound for being 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 the described first new left channel audio signal or the second new left channel audio signal of selection are exported to first power and are put
Big device 105；
Second gating module 115: the described first new right channel sound for being 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 the described first new right channel audio signal or the second new right channel audio signal of selection are exported to second power and are put
Big device 106.
The sound system of the present embodiment television set realizes the control television set by first gating module 114
What 100 left speaker 107 played is the amplified first new left channel audio signal or amplified described
Second new left channel audio signal realizes that the right side for controlling the television set 100 is raised by second gating module 115
What sound device 108 played is the amplified first new right channel audio signal or the amplified second new right channel sound
Frequency signal.In practical applications, 114 He of the first gating module 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 inputted are 7.1 channel audios
When, the 5th mix module 112 is used for: by the left channel audio of 102 decoded outputs of decoder, a left side 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: by the right audio channel of 102 decoded outputs of the decoder, institute
It is surround channel audio progress stereo process 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 inputted are 7.1 channel audios
When, the functions of other each modules of the sound system of the present embodiment television set is identical when with audio sources being 5.1 channel audio, this
Place repeats no more.
The sound system of the present embodiment television set is on the basis of beneficial effects all with above-mentioned 3rd embodiment, moreover it is possible to
The audio signal that enough loudspeakers to the television set 100 itself play carries out selection control.
Further, referring to Fig. 5, the sound system fourth embodiment based on television set of the present invention, in television set of the present invention
The 5th embodiment of sound system in, the sound system of the television set further includes first switch control module 116 and second switch
Control module 117, the first switch control module 116 are used for: while controlling the left channel loudspeaker 107 and the right sound
The working condition of road loudspeaker 108；The second switch control module 117 is used for: controlling 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.It in practical applications, can be in such a way that TV remote controller cooperates TV menu come real
The switch of the existing first switch control module 116 and second switch control module 117 selects control function.Specifically, this reality
Applying example is that opening for the first switch control module 116 and the second switch control module 117 is arranged by TV menu
And pass, then cooperate TV remote controller, user realizes by pressing on TV remote controller preset switch selection key
The switch of the first switch control module 116 and second switch control module 117 selects control function.
Further, the sound system of the present embodiment television set further includes volume adjusting module (not shown), the volume
Adjustment module is used for total volume of the sound system of the television set and to each of 102 decoded outputs of the decoder
The volume of channel audio is adjusted respectively.
In practical applications, the volume adjustment can be realized in such a way that TV remote controller cooperates 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 further includes that HDMI ARC, optical fiber interface and coaxial audio connect
Mouth (not shown), HDMI ARC, optical fiber interface or coaxial audio interface are used for: by the audio sources selected input module
The multichannel audio information source of 101 inputs is exported to the multi-channel audio equipment (not shown) for being placed outside the television set 100,
External multi-channel audio equipment is decoded the multichannel audio, and decoded each channel audio is external more by this
The speaker of the corresponding sound channel of sound channel stereo set makes a sound.
The sound system of the present embodiment television set, can be on the basis of beneficial effects all with above-mentioned fourth embodiment
It is acted on by the switch control of the first switch control module 116 and the second switch control module 117, only with TV
The included loudspeaker (the i.e. described left channel loudspeaker 107 and the right channel loudspeaker 108) of machine is come after playing multichannel audio mixing
Signal, can also using television set carry loudspeaker and external wireless acoustics equipment 200 come together to reappear it is original more
Sound channel effect；Also, since the sound system of the present embodiment television set is additionally arranged the volume adjusting module, this implementation
The volume of each channel audio of example be it is controllable, user can (the 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 placement position of each sound equipment be slightly different to adjust each sound
The sound pressure level ratio in road, to obtain the most satisfied acoustics of user.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (8)
1. a kind of sound system of television set, which is characterized in that the sound system of the television set includes:
Audio sources selected input module: the multichannel audio information source for being inputted to television set carries out selection input；
Decoder: the type of the multichannel audio information source for being inputted according to the audio sources selected input module, to institute
Multichannel audio information source is stated to be decoded；
First mix module: for the left channel audio of decoder institute decoded output and center channels audio to be carried out audio mixing
Processing, obtains the first new left channel audio signal；
Second mix module: for will be at the right audio channel of decoder institute decoded output and center channels audio row audio mixing
Reason, obtains the first new right channel audio signal；
First power amplifier: for amplifying processing to the described first new left channel audio signal；
Second power amplifier: for amplifying processing to the described first new right channel audio signal；
Left channel loudspeaker: for exporting the amplified first new left channel audio signal；
Right channel loudspeaker: for exporting the amplified first new right channel audio signal；
The sound system of the television set further includes multi-path wireless audio transmitting module and wireless acoustics equipment, in which:
The multi-path wireless audio transmitting module, the audio sources for being inputted when the audio sources selected input module
When for 5.1 channel audio, by a left side for decoder institute decoded output around channel audio, right surround channel audio and bass sound
Channel audio emits through wireless network to the wireless acoustics equipment；When the audio that the audio sources selected input module is inputted
When information source is 7.1 channel audio, by a left side for decoder institute decoded output around channel audio, right surround channel audio, a left side
Emit afterwards through wireless network to the wireless acoustics behind channel audio, the right side around channel audio and subwoofer channel audio and sets
It is standby；
The wireless acoustics equipment, the audio signal emitted for receiving the multi-path wireless audio transmitting module, and it is right
The audio signal received amplifies processing, and plays the audio signal after enhanced processing；
The sound system of the television set further include:
Third mix module: the audio sources for being inputted when the audio sources selected input module are 5.1 channel audios
When, a left side for decoder institute decoded output is subjected to mixed processing around channel audio and subwoofer channel audio, obtains a new left side
Around channel audio；It, will be described when the audio sources that the audio sources selected input module is inputted are 7.1 channel audio
A left side for decoder institute decoded output carries out mixed processing around channel audio, left back circular channel audio and subwoofer channel audio,
It obtains new left around channel audio；
4th mix module: the audio sources for being inputted when the audio sources selected input module are 5.1 channel audios
When, the right surround channel audio of decoder institute decoded output and subwoofer channel audio are subjected to mixed processing, obtain the new right side
Around channel audio；It, will be described when the audio sources that the audio sources selected input module is inputted are 7.1 channel audio
The right surround channel audio of decoder institute decoded output, it is right after around channel audio and subwoofer channel audio carry out mixed processing,
Obtain new right surround channel audio；
The multi-path wireless audio transmitting module is also used 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 left around sound equipment and right surround sound equipment, and the left sound equipment that surround is used for: being received described new
A left side amplifies processing around channel audio, and 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: receiving the new right surround channel audio, and to the new right surround sound
Channel audio amplifies processing, and plays the new right surround channel audio after enhanced processing.
2. the sound system of television set as described in claim 1, which is characterized in that the left channel loudspeaker and the right sound
Road loudspeaker is the loudspeaker that television set carries, and the wireless acoustics equipment is the external wireless acoustics equipment of television set.
3. the sound system of television set as described in claim 1, which is characterized 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 wireless audio transmitting module is emitted
Frequently, processing and to the subwoofer channel audio is amplified, and exports the subwoofer channel audio after enhanced processing；
A left side is around sound equipment, for receiving the left surround sound in the audio signal that the multi-path wireless audio transmitting module is emitted
Channel audio, and processing 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 wireless audio transmitting module is emitted
Channel audio, and processing is amplified to the right surround channel audio, and export the right surround sound channel sound after enhanced processing
Frequently.
4. the sound system of television set as claimed in claim 3, which is characterized 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 further include:
Left back circular sound equipment: for receiving the left back ring in the audio signal that the multi-path wireless audio transmitting module is emitted
Processing is amplified around channel audio, and to the left back circular channel audio, and exports the 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 wireless audio transmitting module is emitted
Processing is amplified around channel audio around channel audio, and to behind the right side, and exports ring behind the right side after enhanced processing
Around channel audio.
5. the sound system of television set as described in claim 1, which is characterized in that the sound system of the television set also wraps
It includes:
5th mix module: the audio sources for being inputted when the audio sources selected input module are 5.1 channel audios
When, by the left channel audio of decoder institute decoded output, a left side 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 inputted
When frequency information source is 7.1 channel audio, by the left channel audio of decoder institute decoded output, it is left around channel audio, in set
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: the audio sources for being inputted when the audio sources selected input module are 5.1 channel audios
When, by the right audio channel of decoder institute decoded output, right surround channel audio, center channels audio and subwoofer channel sound
Frequency carries out stereo process, obtains the second new right channel audio signal；When the sound that the audio sources selected input module is inputted
When frequency information source is 7.1 channel audio, by the right audio channel of decoder institute decoded 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, obtains the second new right channel sound
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.
6. the sound system of television set as described in claim 1, which is characterized in that the sound system of the television set further includes
First switch control module and second switch control module, the first switch control module are used for: while controlling the left sound
The working condition of road loudspeaker and the right channel loudspeaker；The second switch control module is used for: the control wireless sound
Ring the working condition of equipment.
7. such as the sound system of television set described in any one of claims 1 to 6, which is characterized in that the sound of the television set
Acoustic system further 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 decoder institute decoded output is adjusted respectively.
8. such as the sound system of television set described in any one of claims 1 to 6, which is characterized in that the audio sources choosing
The multichannel audio information source that logical input module is inputted is more to be exported from HDMI, network, USB, SD card or mobile hard disk
Channel audio information source.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107948858A (en) * | 2017-12-23 | 2018-04-20 | 广州市尊浪电器有限公司 | A kind of wireless sound system of multitrack surround sound |
| CN111263273B (en) * | 2018-11-30 | 2021-08-20 | 许祐豪 | Multi-channel audio control system |
| CN112346694B (en) * | 2019-08-08 | 2023-03-21 | 海信视像科技股份有限公司 | Display device |
| CN113507633B (en) * | 2021-05-26 | 2023-08-22 | 海信视像科技股份有限公司 | Sound data processing method and device |
| CN113873394A (en) * | 2021-10-25 | 2021-12-31 | 惠州视维新技术有限公司 | Television and audio control method |
| CN117234454B (en) * | 2023-11-13 | 2024-02-20 | 福建联迪商用设备有限公司 | Multichannel audio output control method and device and electronic equipment |
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