CN107040849A - A kind of method and device for improving three-dimensional phonoreception - Google Patents
A kind of method and device for improving three-dimensional phonoreception Download PDFInfo
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- CN107040849A CN107040849A CN201710286976.3A CN201710286976A CN107040849A CN 107040849 A CN107040849 A CN 107040849A CN 201710286976 A CN201710286976 A CN 201710286976A CN 107040849 A CN107040849 A CN 107040849A
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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
- H04R5/00—Stereophonic arrangements
- H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
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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
- H04R2205/00—Details of stereophonic arrangements covered by H04R5/00 but not provided for in any of its subgroups
- H04R2205/026—Single (sub)woofer with two or more satellite loudspeakers for mid- and high-frequency band reproduction driven via the (sub)woofer
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Stereophonic System (AREA)
Abstract
A kind of method for improving three-dimensional phonoreception, it includes L channel and R channel；Right channel input signal after 180 ° of left channel input signal and paraphase is subjected to contrast difference and obtains left difference signal, as right channel output signal after being superimposed after left 180 ° of difference signal paraphase with right channel input signal；Left channel input signal after 180 ° of right channel input signal and paraphase is subjected to contrast difference and obtains right difference signal, as left channel output signal after being superimposed after right 180 ° of difference signal paraphase with left channel input signal.The present invention is by extracting difference signal of the wherein sound channel in stereo, as another channel output signal after being superimposed after 180 ° of difference signal paraphase with another channel input signal, so i.e. can offset listener hears the sound of a wherein sound channel in opposite side human ear, so as to reach the three-dimensional phonoreception for improving speaker products；Appropriate reverberation sound is added to L channel and R channel simultaneously, the spatial impression of sound can be strengthened.
Description
Technical field
The present invention relates to technology for loudspeaker box field, and in particular to a kind of method and device for improving three-dimensional phonoreception.
Background technology
With the development of science and technology, increasing sci-tech product is entered among the life of people, and have a deep effect on
Our life style.The digital product such as mobile phone, computer, audio amplifier.Especially, with the development of audio-visual technology, small volume
Ingeniously, powerful, power consumption very low portable loudspeaker box product increasingly receives an acclaim, and is particularly subject to the favor of young man, and
It is increasingly becoming a kind of consumption fashion.And portable loudspeaker box product functionality gradually strengthens, volume is less and less, although tonequality by
To the limitation of volume, but portable speaker of today acoustical quality relatively more preferably in the past.In addition as flat panel TV is general
And, and developing by leaps and bounds due to technology, the thickness of television set also more and more thinner, although brought people's high definition and ultra-thin regarded
Feel and enjoy but simultaneously more and more frivolous in terms of tonequality, the anti-tonequality for being not so good as CRT TVs is full simple and honest, and consumer is in sense of hearing side
The enjoyment in face can not be met, thus aimed at and made up the not enough SOUNDBAR audio amplifiers of flat panel TV tonequality and also by producer and disappear
Expense person's likes.
Although the properties of product of portable loudspeaker box and SOUNDBAR audio amplifiers are become better and better, in some portable loudspeaker boxes and
On SOUNDBAR audio amplifiers, because the distance between loudspeaker are closer, three-dimensional phonoreception is all bad.
The content of the invention
It is an object of the invention to provide a kind of method for improving three-dimensional phonoreception, with can improve portable loudspeaker box and
The three-dimensional phonoreception of speaker products closer to the distance between the loudspeaker such as SOUNDBAR audio amplifiers.
The present invention also provides a kind of device for improving three-dimensional phonoreception.
To achieve the above object, the present invention is adopted the technical scheme that：
A kind of method for improving three-dimensional phonoreception, it includes L channel and R channel；
Right channel input signal after 180 ° of left channel input signal and paraphase is subjected to contrast difference and obtains left difference letter
Number, as right channel output signal after being superimposed after left 180 ° of difference signal paraphase with right channel input signal；
Left channel input signal after 180 ° of right channel input signal and paraphase is subjected to contrast difference and obtains right difference letter
Number, as left channel output signal after being superimposed after right 180 ° of difference signal paraphase with left channel input signal.
The present invention by extract difference signal of the wherein sound channel in stereo, after 180 ° of difference signal paraphase with it is another
As another channel output signal after channel input signal superposition, so i.e. can offset listener hears it in opposite side human ear
In a sound channel sound so that reach improve speaker products three-dimensional phonoreception.
As a modification of the present invention, before contrast difference is carried out, first left channel input signal and R channel are inputted
Signal carries out high-pass filtering processing, considers the not strong bass part of direction feeling remove respectively, so as to obtain left filtered input signal
With right filtered input signal, the right filtered input signal after 180 ° of left filtered input signal and paraphase is then subjected to contrast difference
Left difference signal is obtained, the left filtered input signal after 180 ° of right filtered input signal and paraphase is carried out into contrast difference obtains the right side
Difference signal.
As a modification of the present invention, reverberation processing is carried out to L channel and R channel.L channel and R channel are added
Enter appropriate reverberation sound, the spatial impression of sound can be strengthened.
Further, it is described that reverberation processing is carried out to L channel and R channel：By 180 ° of left filtered input signal and paraphase
Reverberation processing is carried out after right filtered input signal superposition afterwards and obtains reverb signal, and it is defeated that reverb signal is directly superimposed into L channel
Go out in signal, reverb signal is subjected to the right channel output signal that is added to after 180 ° of paraphase in addition.
Further, it is described that reverberation processing is carried out to L channel and R channel：By 180 ° of right filtered input signal and paraphase
Reverberation processing is carried out after left filtered input signal superposition afterwards and obtains reverb signal, and it is defeated that reverb signal is directly superimposed into R channel
Go out in signal, reverb signal is subjected to the left channel output signal that is added to after 180 ° of paraphase in addition.
A kind of device for improving three-dimensional phonoreception, it includes L channel, R channel, left adder and right adder, L channel
Provided with left signal input and left signal output end, left signal input is connected with left adder input, left adder output
End is connected with left signal output end, and R channel is provided with right signal input and right signal output end, and right signal input adds with right
Multiplier input terminal is connected, and right adder output is connected with right signal output end；
Also include left difference processing module and right difference processing module；Left difference processing module is provided with two inputs and one
Individual output end, left signal input is connected with the first input end of left difference processing module, and right signal input is through 180 ° of paraphase
The second input after processing with left difference processing module is connected, the output end of left difference processing module through after 180 ° of paraphase with the right side
Adder input is connected；
Right difference processing module is provided with two inputs and an output end, right signal input and right difference processing module
First input end connection, left signal input connects after 180 ° of paraphase processing with the second input of right difference processing module
Connect, the output end of right difference processing module after 180 ° of paraphase with left adder input through being connected.
As a modification of the present invention, first input end and the right side of the left signal input with left difference processing module
Left high-pass filter is provided between second input of difference processing module；The right signal input and right difference processing module
First input end and left difference processing module the second input between be provided with right high-pass filter.
As a modification of the present invention, the audio amplifier also includes reverberation processing module, and reverberation processing module is to L channel
Reverberation processing is carried out with R channel.
Further, the reverberation processing module be provided with two inputs and an output end, left high-pass filter it is defeated
Go out end to be connected with the first input end of reverberation processing module, the output end of right high-pass filter through after 180 ° of paraphase with reverberation processing
The second input connection of module, the output end of reverberation processing module is connected with left adder input, reverberation processing module
Output end after 180 ° of paraphase with right adder input through being connected.
Further, the reverberation processing module be provided with two inputs and an output end, right high-pass filter it is defeated
Go out end to be connected with the first input end of reverberation processing module, the output end of left high-pass filter through after 180 ° of paraphase with reverberation processing
The second input connection of module, the output end of reverberation processing module is connected with right adder input, reverberation processing module
Output end after 180 ° of paraphase with left adder input through being connected.
Compared with prior art, the present invention has advantages below：
The present invention by extract difference signal of the wherein sound channel in stereo, after 180 ° of difference signal paraphase with it is another
As another channel output signal after channel input signal superposition, so i.e. can offset listener hears it in opposite side human ear
In a sound channel sound so that reach improve speaker products three-dimensional phonoreception；L channel and R channel are added suitably simultaneously
Reverberation sound, can strengthen the spatial impression of sound.
Brief description of the drawings
Fig. 1 is the schematic diagram of the embodiment of the present invention 3；
Fig. 2 is the schematic diagram of the embodiment of the present invention 4.
Embodiment
Present disclosure is described in further details with reference to the accompanying drawings and detailed description.It may be appreciated
It is that specific embodiment described herein is used only for explaining the present invention, rather than limitation of the invention.Further need exist for explanation
, for the ease of description, part related to the present invention rather than full content are illustrate only in accompanying drawing.
The technology that the present invention is proposed primarily directed to the existing defect of the product such as portable loudspeaker box and SOUNDBAR audio amplifiers changes
Enter, because on some portable loudspeaker boxes and SOUNDBAR audio amplifiers, the distance between loudspeaker are closer, three-dimensional phonoreception is all bad,
The present invention is inputted by extracting difference signal of the wherein sound channel in stereo after 180 ° of difference signal paraphase with another sound channel
As another channel output signal after Signal averaging, so i.e. can offset listener hears a wherein sound channel in opposite side human ear
Sound so that reach improve speaker products three-dimensional phonoreception.Certainly it is contemplated that the present invention may be use with all audio amplifiers, by this hair
It is bright to realize further improve to the three-dimensional phonoreception of audio amplifier.
Embodiment 1
A kind of method for improving three-dimensional phonoreception, it includes L channel and R channel.
Specifically, the right channel input signal after 180 ° of left channel input signal and paraphase is subjected to contrast difference and obtains a left side
Difference signal, left difference signal is carried out after level adjustment after being superimposed after 180 ° of paraphase again with right channel input signal as R channel
Output signal；Left channel input signal after 180 ° of right channel input signal and paraphase is subjected to contrast difference and obtains right difference letter
Number, right difference signal is carried out after level adjustment after be superimposed after 180 ° of paraphase again with left channel input signal as L channel output letter
Number.
The present invention by extract difference signal of the wherein sound channel in stereo, after 180 ° of difference signal paraphase with it is another
As another channel output signal after channel input signal superposition, so i.e. can offset listener hears it in opposite side human ear
In a sound channel sound so that reach improve speaker products three-dimensional phonoreception.
In the present embodiment, before contrast difference is carried out, first left channel input signal and right channel input signal are carried out
High-pass filtering is handled, and considers the not strong bass part of direction feeling remove respectively, so as to obtain left filtered input signal and right filtering
Input signal, then carries out contrast difference by the right filtered input signal after 180 ° of left filtered input signal and paraphase and obtains left difference
Xor signal, carries out contrast difference by the left filtered input signal after 180 ° of right filtered input signal and paraphase and obtains right difference letter
Number.Handle the not strong bass part of direction feeling can be considered by high-pass filtering and remove, be conducive to improving the tonequality of sound channel.
In the present embodiment, in order to improve tonequality, reverberation processing is carried out to L channel and R channel.By to L channel and
R channel adds appropriate reverberation sound, can strengthen the spatial impression of sound.
Specifically, it is described that reverberation processing is carried out to L channel and R channel：After 180 ° of left filtered input signal and paraphase
Right filtered input signal superposition after carry out reverberation processing obtain reverb signal, will reverb signal carry out level adjustment after be added to
In left channel output signal, reverb signal is subjected to the R channel output letter that is added to again after 180 ° of paraphase after level adjustment in addition
Number.
Embodiment 2
The present embodiment place different from embodiment 1 is that the mode for carrying out reverberation processing to L channel and R channel is different.
In the present embodiment, it is described that reverberation processing is carried out to L channel and R channel：After 180 ° of right filtered input signal and paraphase
Reverberation processing is carried out after left filtered input signal superposition and obtains reverb signal, and reverb signal is subjected to the right side that is added to after level adjustment
In channel output signal, reverb signal is subjected to the left channel output signal that is added to again after 180 ° of paraphase after level adjustment in addition.
Embodiment 3
The device of the three-dimensional phonoreception of raising as shown in Figure 1 is embodiments of the invention 3, and it includes L channel 10, R channel
20th, left adder 15 and right adder 25.
L channel 10 is provided with left signal input 11 and left signal output end 2, left signal input 11 and left adder 15
Input is connected, and the left output end of adder 15 is connected with left signal output end 12, and R channel 20 is provided with the He of right signal input 21
Right signal output end 22, right signal input 21 is connected with the right input of adder 25, the right output end of adder 25 and right signal
Output end 22 is connected.
Present invention additionally comprises left difference processing module 13 and right difference processing module 23.
Left difference processing module 13 is provided with two inputs and an output end, and left signal input 11 is handled with left difference
The first input end connection of module 13, right signal input 21 after 180 ° of paraphase processing with left difference processing module 13 second
Input is connected, the output end of left difference processing module 13 after level adjustment again after 180 ° of paraphase with the right input of adder 25
Connection；
Right difference processing module 23 is provided with two inputs and an output end, and right signal input 21 is handled with right difference
The first input end connection of module 23, left signal input 11 after 180 ° of paraphase processing with right difference processing module 23 second
Input is connected, the output end of right difference processing module 23 after level adjustment again after 180 ° of paraphase with the left input of adder 15
Connection.
In the present embodiment, the left signal input 11 and the first input end and right difference of left difference processing module 13
Left high-pass filter 14 is provided between second input of processing module 23；The right signal input 21 handles mould with right difference
Right high-pass filter 24 is provided between the first input end of block 23 and the second input of left difference processing module 13.It is poor in progress
Before different contrast, left channel input signal and right channel input signal are first subjected to high-pass filtering processing, it is respectively that direction feeling is not strong
Bass part consider remove, be conducive to improve sound channel tonequality.
In the present embodiment, the audio amplifier also includes reverberation processing module 30, and reverberation processing module 30 is to L channel 10 and the right side
Sound channel 20 carries out reverberation processing.Specifically, the reverberation processing module 30 is provided with two inputs and an output end, left high pass
The output end of wave filter 14 is connected with the first input end of reverberation processing module 30, and the output end of right high-pass filter 24 is through paraphase
Be connected after 180 ° with the second input of reverberation processing module 30, the output end of reverberation processing module 30 carry out after level adjustment with
The connection of the left input of adder 15, the output end of reverberation processing module 30 carry out after level adjustment after 180 ° of paraphase again with right addition
The input of device 25 is connected.By adding appropriate reverberation sound to L channel and R channel, the spatial impression of sound can be strengthened.
Embodiment 4
The device of the three-dimensional phonoreception of raising as shown in Figure 2 is embodiments of the invention 4, its with embodiment 3 except that：
The reverberation processing module, which sets 30, two inputs and an output end, and output end and the reverberation of right high-pass filter 24 are handled
The first input end connection of module 30, the output end of left high-pass filter 14 through after 180 ° of paraphase with reverberation processing module 30 the
Two inputs are connected, and the output end of reverberation processing module 30 is connected after carrying out level adjustment with the right input of adder 25, reverberation
The output end of processing module 30 is connected after carrying out after level adjustment 180 ° of paraphase again with the left input of adder 15.
Above-described embodiment only not limits the technical scheme described by this patent to illustrate this patent；Therefore, although
This specification has been carried out detailed description, still, the ordinary skill of this area to this patent with reference to each above-mentioned embodiment
Personnel should be appreciated that still can modify or equivalent substitution to this patent；And all do not depart from this patent spirit and
The technical scheme of scope and its improvement, it all should cover among the right of this patent.
Claims (10)
1. a kind of method for improving three-dimensional phonoreception, including L channel and R channel；It is characterized in that：
Right channel input signal after 180 ° of left channel input signal and paraphase is subjected to contrast difference and obtains left difference signal, it is left
As right channel output signal after being superimposed after 180 ° of difference signal paraphase with right channel input signal；
Left channel input signal after 180 ° of right channel input signal and paraphase is subjected to contrast difference and obtains right difference signal, it is right
As left channel output signal after being superimposed after 180 ° of difference signal paraphase with left channel input signal.
2. the method according to claim 1 for improving three-dimensional phonoreception, it is characterised in that：Before contrast difference is carried out, first will
Left channel input signal and right channel input signal carry out high-pass filtering processing, consider the not strong bass part of direction feeling remove respectively
Fall, so that left filtered input signal and right filtered input signal are obtained, then by after 180 ° of left filtered input signal and paraphase
Right filtered input signal carries out contrast difference and obtains left difference signal, by the left filtering after 180 ° of right filtered input signal and paraphase
Input signal carries out contrast difference and obtains right difference signal.
3. the method according to claim 2 for improving three-dimensional phonoreception, it is characterised in that：L channel and R channel are mixed
Ring processing.
4. the method according to claim 3 for improving three-dimensional phonoreception, it is characterised in that：It is described that L channel and R channel are entered
Row reverberation is handled：Obtained reverberation processing is carried out after the right filtered input signal superposition after 180 ° of left filtered input signal and paraphase
Reverb signal, reverb signal is directly superimposed in left channel output signal, carries out reverb signal folding after 180 ° of paraphase in addition
It is added to right channel output signal.
5. the method according to claim 3 for improving three-dimensional phonoreception, it is characterised in that：It is described that L channel and R channel are entered
Row reverberation is handled：Obtained reverberation processing is carried out after the left filtered input signal superposition after 180 ° of right filtered input signal and paraphase
Reverb signal, reverb signal is directly superimposed in right channel output signal, carries out reverb signal folding after 180 ° of paraphase in addition
It is added to left channel output signal.
6. a kind of device for improving three-dimensional phonoreception, including L channel, R channel, left adder and right adder, L channel are provided with
Left signal input and left signal output end, left signal input are connected with left adder input, left adder output with
Left signal output end is connected, and R channel is provided with right signal input and right signal output end, right signal input and right adder
Input is connected, and right adder output is connected with right signal output end；It is characterized in that：
Also include left difference processing module and right difference processing module；Left difference processing module is defeated provided with two inputs and one
Go out end, left signal input is connected with the first input end of left difference processing module, right signal input is through 180 ° of processing of paraphase
The second input with left difference processing module is connected afterwards, the output end of left difference processing module through after 180 ° of paraphase with right addition
Device input is connected；
Right difference processing module is provided with two inputs and an output end, and the of right signal input and right difference processing module
One input is connected, and left signal input is connected after 180 ° of processing of paraphase with the second input of right difference processing module, right
The output end of difference processing module after 180 ° of paraphase with left adder input through being connected.
7. the device according to claim 6 for improving three-dimensional phonoreception, it is characterised in that：The left signal input and left difference
Left high-pass filter is provided between the first input end of different processing module and the second input of right difference processing module；The right side
Provided with the right side between second input of the first input end and left difference processing module of signal input part and right difference processing module
High-pass filter.
8. the device according to claim 7 for improving three-dimensional phonoreception, it is characterised in that：The audio amplifier also includes reverberation and handled
Module, reverberation processing module carries out reverberation processing to L channel and R channel.
9. the device according to claim 8 for improving three-dimensional phonoreception, it is characterised in that：The reverberation processing module is provided with two
Individual input and an output end, the output end of left high-pass filter are connected with the first input end of reverberation processing module, right height
The output end of bandpass filter after 180 ° of paraphase with the second input of reverberation processing module through being connected, the output of reverberation processing module
End is connected with left adder input, and the output end of reverberation processing module after 180 ° of paraphase with right adder input through being connected.
10. the device according to claim 8 for improving three-dimensional phonoreception, it is characterised in that：The reverberation processing module is provided with
Two inputs and an output end, the output end of right high-pass filter are connected with the first input end of reverberation processing module, left
The output end of high-pass filter through being connected after 180 ° of paraphase with the second input of reverberation processing module, reverberation processing module it is defeated
Go out end to be connected with right adder input, the output end of reverberation processing module through after 180 ° of paraphase with left adder input company
Connect.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108040317A (en) * | 2017-12-22 | 2018-05-15 | 南京大学 | A kind of hybrid sense of hearing sound field broadening method |
| WO2021203474A1 (en) * | 2020-04-09 | 2021-10-14 | 瑞声声学科技(深圳)有限公司 | Mini-type speaker array, vehicle interior sound field control method and apparatus, and storage apparatus |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60169300A (en) * | 1984-02-13 | 1985-09-02 | Sharp Corp | Recorder orchestral accompaniment device |
| JPH02207700A (en) * | 1989-02-08 | 1990-08-17 | Mitsubishi Electric Corp | Sound reproducing device |
| JPH0787597A (en) * | 1993-09-17 | 1995-03-31 | Sharp Corp | Sound output circuit |
| CN2240222Y (en) * | 1995-10-01 | 1996-11-13 | 黄虹声 | Tabletop speaker having surrounding sound and karaoke function |
| CN202197400U (en) * | 2011-08-01 | 2012-04-18 | 海尔集团公司 | Sound signal processing device |
| CN103181191A (en) * | 2010-10-20 | 2013-06-26 | Dts有限责任公司 | Stereo image widening system |
| CN203596865U (en) * | 2013-11-28 | 2014-05-14 | 深圳Tcl新技术有限公司 | Audio signal high-frequency compensation circuit |
| CN105282679A (en) * | 2014-06-18 | 2016-01-27 | 中兴通讯股份有限公司 | Stereo sound quality improving method and device and terminal |
| CN105357624A (en) * | 2015-11-20 | 2016-02-24 | 珠海全志科技股份有限公司 | Loudspeaker replaying double-track signal processing method, device and system |
| CN106211007A (en) * | 2015-05-08 | 2016-12-07 | 深圳市三诺声智联股份有限公司 | A kind of stereo surrounding system of 3D |
| CN206851017U (en) * | 2017-04-27 | 2018-01-05 | 广州天逸电子有限公司 | A kind of device for improving three-dimensional phonoreception |
-
2017
- 2017-04-27 CN CN201710286976.3A patent/CN107040849A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60169300A (en) * | 1984-02-13 | 1985-09-02 | Sharp Corp | Recorder orchestral accompaniment device |
| JPH02207700A (en) * | 1989-02-08 | 1990-08-17 | Mitsubishi Electric Corp | Sound reproducing device |
| JPH0787597A (en) * | 1993-09-17 | 1995-03-31 | Sharp Corp | Sound output circuit |
| CN2240222Y (en) * | 1995-10-01 | 1996-11-13 | 黄虹声 | Tabletop speaker having surrounding sound and karaoke function |
| CN103181191A (en) * | 2010-10-20 | 2013-06-26 | Dts有限责任公司 | Stereo image widening system |
| CN202197400U (en) * | 2011-08-01 | 2012-04-18 | 海尔集团公司 | Sound signal processing device |
| CN203596865U (en) * | 2013-11-28 | 2014-05-14 | 深圳Tcl新技术有限公司 | Audio signal high-frequency compensation circuit |
| CN105282679A (en) * | 2014-06-18 | 2016-01-27 | 中兴通讯股份有限公司 | Stereo sound quality improving method and device and terminal |
| CN106211007A (en) * | 2015-05-08 | 2016-12-07 | 深圳市三诺声智联股份有限公司 | A kind of stereo surrounding system of 3D |
| CN105357624A (en) * | 2015-11-20 | 2016-02-24 | 珠海全志科技股份有限公司 | Loudspeaker replaying double-track signal processing method, device and system |
| CN206851017U (en) * | 2017-04-27 | 2018-01-05 | 广州天逸电子有限公司 | A kind of device for improving three-dimensional phonoreception |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108040317A (en) * | 2017-12-22 | 2018-05-15 | 南京大学 | A kind of hybrid sense of hearing sound field broadening method |
| CN108040317B (en) * | 2017-12-22 | 2019-09-27 | 南京大学 | A kind of hybrid sense of hearing sound field broadening method |
| WO2021203474A1 (en) * | 2020-04-09 | 2021-10-14 | 瑞声声学科技(深圳)有限公司 | Mini-type speaker array, vehicle interior sound field control method and apparatus, and storage apparatus |
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Application publication date: 20170811 |