CN206851017U - A kind of device for improving three-dimensional phonoreception - Google Patents
A kind of device for improving three-dimensional phonoreception Download PDFInfo
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- CN206851017U CN206851017U CN201720454609.5U CN201720454609U CN206851017U CN 206851017 U CN206851017 U CN 206851017U CN 201720454609 U CN201720454609 U CN 201720454609U CN 206851017 U CN206851017 U CN 206851017U
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Abstract
A kind of device for improving three-dimensional phonoreception, it includes L channel, R channel, left adder and right adder, in addition to left difference processing module and right difference processing module；Left difference processing module is provided with two inputs and an output end, left signal input is connected with the first input end of left difference processing module, right signal input is connected after 180 ° of paraphase processing with the second input of left difference processing module, and the output end of left difference processing module is connected after 180 ° of paraphase with right adder input；Right difference processing module is provided with two inputs and an output end, right signal input is connected with the first input end of right difference processing module, left signal input is connected after 180 ° of paraphase processing with the second input of right difference processing module, and the output end of right difference processing module is connected after 180 ° of paraphase with left adder input.The utility model improves the three-dimensional phonoreception of speaker products；The spatial impression of sound can be strengthened simultaneously.
Description
Technical field
It the utility model is related to speaker technology field, and in particular to a kind of 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.Such as the digital product such as mobile phone, computer, audio amplifier.Especially, with the development of audio-visual technology, small volume
Ingeniously, the very low portable loudspeaker box product of powerful, power consumption 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 the acoustical quality of portable speaker of today 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 having brought people's high definition and ultra-thin having regarded
Feel and enjoy but simultaneously more and more frivolous in terms of tonequality, anti-be not as full simple and honest as the tonequality of CRT TVs, consumer is in sense of hearing side
The enjoyment in face can not be met, thus aimed at and made up the SOUNDBAR audio amplifiers of flat panel TV tonequality deficiency also by producer and disappearing
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.
Utility model content
The purpose of this utility model is to provide a kind of device 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.
To achieve the above object, the utility model adopts the technical scheme that：
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 are 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 after 180 ° of paraphase with the right side
Adder input connects；
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 is connected after 180 ° of paraphase with left adder input.
As a kind of improvement of the present utility model, the left signal input and the first input end of left difference processing module
Left high-pass filter is provided between the second input of right difference processing module；The right signal input is handled with right difference
Right high-pass filter is provided between the first input end of module and the second input of left difference processing module.
As a kind of improvement of the present utility model, the audio amplifier also includes reverberation processing module, and reverberation processing module is to a left side
Sound channel and R channel carry out reverberation processing.
Further, the reverberation processing module is 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 after 180 ° of paraphase with reverberation processing
The second input connection of module, the output end of reverberation processing module are connected with left adder input, reverberation processing module
Output end is connected after 180 ° of paraphase with right adder input.
Further, the reverberation processing module is 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 after 180 ° of paraphase with reverberation processing
The second input connection of module, the output end of reverberation processing module are connected with right adder input, reverberation processing module
Output end is connected after 180 ° of paraphase with left adder input.
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, it is used 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, it is used as left channel output signal after being superimposed after right 180 ° of difference signal paraphase with left channel input signal.
The utility model by extract difference signal of the wherein sound channel in stereo, after 180 ° of difference signal paraphase with
Another channel output signal is used as after another channel input signal superposition, listener can be so offset and be listened in opposite side human ear
To the sound of a wherein sound channel, so as to reach the three-dimensional phonoreception for improving speaker products.
As a kind of improvement of the present utility model, before contrast difference is carried out, first by left channel input signal and R channel
Input signal carries out high-pass filtering processing, considers the not strong bass part of direction feeling remove respectively, so as to obtain left filtering input
Signal and right filtered input signal, the right filtered input signal after 180 ° of left filtered input signal and paraphase is then subjected to difference
Contrast obtains left difference signal, and the left filtered input signal progress contrast difference after 180 ° of right filtered input signal and paraphase is obtained
To right difference signal.
As a kind of improvement of the present utility model, reverberation processing is carried out to L channel and R channel.To L channel and right sound
Road adds appropriate reverberation sound, can strengthen the spatial impression of sound.
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 is carried out after right filtered input signal superposition afterwards to handle to obtain reverb signal, it is defeated that reverb signal is directly superimposed into L channel
Go out in signal, in addition by the right channel output signal that is added to after reverb signal 180 ° of paraphase of progress.
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 is carried out after left filtered input signal superposition afterwards to handle to obtain reverb signal, it is defeated that reverb signal is directly superimposed into R channel
Go out in signal, in addition by the left channel output signal that is added to after reverb signal 180 ° of paraphase of progress.
Compared with prior art, the utility model has advantages below：
The utility model by extract difference signal of the wherein sound channel in stereo, after 180 ° of difference signal paraphase with
Another channel output signal is used as after another channel input signal superposition, listener can be so offset and be listened in opposite side human ear
To the sound of a wherein sound channel, so as to reach the three-dimensional phonoreception for improving speaker products；L channel and R channel are added simultaneously suitable
When reverberation sound, the spatial impression of sound can be strengthened.
Brief description of the drawings
Fig. 1 is the schematic diagram of the utility model embodiment 3；
Fig. 2 is the schematic diagram of the utility model embodiment 4.
Embodiment
Content of the present utility model is described in further details with reference to the accompanying drawings and detailed description.It is appreciated that
, specific embodiment described herein is used only for explaining the utility model, rather than to restriction of the present utility model.In addition
It should also be noted that, for the ease of describing, the part related to the utility model rather than full content are illustrate only in accompanying drawing.
The skill that the utility model is proposed primarily directed to the existing defect of the product such as portable loudspeaker box and SOUNDBAR audio amplifiers
Art is improved, and because on some portable loudspeaker boxes and SOUNDBAR audio amplifiers, the distance between loudspeaker are closer, three-dimensional phonoreception is not
It is good, the utility model by extracting difference signal of the wherein sound channel in stereo, after 180 ° of difference signal paraphase with it is another
Another channel output signal is used as after channel input signal superposition, listener can be so offset and hear it in opposite side human ear
In a sound channel sound, so as to reach improve speaker products three-dimensional phonoreception.Certain the utility model can be used for all sounds
In case, further improve can be realized to the three-dimensional phonoreception of audio amplifier by the utility model.
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 carry out after level adjustment being used as R channel after being superimposed with right channel input signal after 180 ° of paraphase again
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 carries out after level adjustment as L channel output believing after be superimposed with left channel input signal after 180 ° of paraphase again
Number.
The utility model by extract difference signal of the wherein sound channel in stereo, after 180 ° of difference signal paraphase with
Another channel output signal is used as after another channel input signal superposition, listener can be so offset and be listened in opposite side human ear
To the sound of a wherein sound channel, so as to reach the three-dimensional phonoreception for improving speaker products.
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, the right filtered input signal after 180 ° of left filtered input signal and paraphase is then subjected to contrast difference and obtains left difference
Xor signal, the left filtered input signal after 180 ° of right filtered input signal and paraphase is subjected to contrast difference and obtains right difference letter
Number.The not strong bass part of direction feeling can be considered by high-pass filtering processing and removed, be advantageous to improve 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 handle to 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 the mode difference that reverberation processing is carried out to L channel and R channel.
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 is carried out after left filtered input signal superposition to handle to obtain reverb signal, by the right side that is added to after reverb signal progress 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 embodiment 3 of the present utility model, and it includes L channel 10, the right side
Sound channel 20, 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 are connected with the right input of adder 25, the right output end of adder 25 and right signal
Output end 22 connects.
The utility model also includes 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 connects, 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 connects, 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, first input end and right difference of the left signal input 11 with left difference processing module 13
Left high-pass filter 14 is provided between second input of processing module 23；The right signal input 21 and right difference processing mould
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 advantageous 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 connects.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 embodiment 4 of the present utility model, and it is different from the institute of embodiment 3
Be：The reverberation processing module, which sets 30, two inputs and an output end, and the output end of right high-pass filter 24 is with mixing
Ring the first input end connection of processing module 30, the output end of left high-pass filter 14 after 180 ° of paraphase with reverberation processing module
30 the second input connects, and connects after the output end progress level adjustment of reverberation processing module 30 with the right input of adder 25
Connect, the output end of reverberation 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 being described in detail with reference to above-mentioned each embodiment to this patent, still, the ordinary skill of this area
Personnel should be appreciated that and still this patent can be modified or equivalent substitution；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 (5)
1. 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 connects, 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 provided with two inputs and one defeated
Go out end, left signal input is connected with the first input end of left difference processing module, and 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 after 180 ° of paraphase with right addition
Device input connects；
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 is connected after 180 ° of paraphase with left adder input.
2. the device according to claim 1 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
The right side is provided 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.
3. the device according to claim 2 for improving three-dimensional phonoreception, it is characterised in that：Described device also includes reverberation and handled
Module, reverberation processing module carry out reverberation processing to L channel and R channel.
4. the device according to claim 3 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 is connected after 180 ° of paraphase with the second input of reverberation processing module, the output of reverberation processing module
End is connected with left adder input, and the output end of reverberation processing module is connected after 180 ° of paraphase with right adder input.
5. the device according to claim 3 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 right high-pass filter are connected with the first input end of reverberation processing module, Zuo Gao
The output end of bandpass filter is connected after 180 ° of paraphase with the second input of reverberation processing module, the output of reverberation processing module
End is connected with right adder input, and the output end of reverberation processing module is connected after 180 ° of paraphase with left adder input.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107040849A (en) * | 2017-04-27 | 2017-08-11 | 广州天逸电子有限公司 | A kind of method and device for improving three-dimensional phonoreception |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107040849A (en) * | 2017-04-27 | 2017-08-11 | 广州天逸电子有限公司 | A kind of method and device for improving three-dimensional phonoreception |
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