CN208258049U - Generate the audio process equipment of binaural audio signal - Google Patents
Generate the audio process equipment of binaural audio signal Download PDFInfo
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- CN208258049U CN208258049U CN201820754423.6U CN201820754423U CN208258049U CN 208258049 U CN208258049 U CN 208258049U CN 201820754423 U CN201820754423 U CN 201820754423U CN 208258049 U CN208258049 U CN 208258049U
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- audio signal
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Abstract
This application discloses a kind of audio process equipments for generating binaural audio signal.Wherein, which includes: audio reading device (1), for reading monaural audio source, to generate monophonic audio signal；And audio signal reproducing unit (2), it is connected with audio reading device (1), left channel audio signal and right channel audio signal are generated for monophonic audio signal to be carried out duplication, and left channel audio signal is transmitted by the first transmission path (6), and transmits right channel audio signal by the second transmission path (7).It is provided with the first simulation reverberator (4) in first transmission path (6), the second simulation reverberator (5) is provided in the second transmission path (7).First simulation reverberator (4) is the simulation reverberator with same type and parameter with the second simulation reverberator (5), and has different random errors.
Description
Technical field
This application involves field of audio processing, process in particular to a kind of audio for generating binaural audio signal
Equipment.
Background technique
Past old disc is all recorded in mono, therefore the presence of sound is insufficient.Currently, carrying out weight to old disc
When new recording, in order to increase spot effect and audibility, need to remake into the old disc of monophonic the sound of two-channel
Frequency material, to generate stereosonic effect.
Shown in Figure 1, the prior art utilizes monaural audio source (such as other audio files of disc or monophonic
Deng) equipment of signal that generates multichannel sterego generally includes: audio reading device 1 is generated for reading monaural audio source
Monophonic audio signal；Audio signal reproducing unit 2 is believed for receiving monophonic audio signal, and by the monophonic audio
Duplication number is carried out to the audio signal as two sound channels of L channel and right channel；And audio signal record device 3, it is used for
By the audio signals of received two sound channels record.
Wherein shown in reference audio signal Fig. 2 and Fig. 3 of recording process.Fig. 2 shows caused by audio reading device 1
Audio signal.Fig. 3 shows the audio letter of two sound channels of L channel and right channel generated by audio signal reproducing unit 2
Number.As seen in Figure 3, the audio signal in left and right acoustic channels is identical.
But existing technical solution is only simply by the monophonic inputted two-way sound channel respectively in original disc
Audio.In this case, although obtaining the output of two sound channels, since the audio signal in two sound channels is identical, institute
Mono effects are remained as with the impression sounded, acoustic image only shows intermediate position, the absolutely not performance of sound field.
And for it is above-mentioned using monophonic audio material generate binaural audio signal it is existing in the prior art not
Effect of sound field can be led to the problem of, currently no effective solution has been proposed.
Utility model content
The utility model embodiment provides a kind of audio process equipment for generating binaural audio signal, at least to solve
Using monophonic audio material generate binaural audio signal the skill existing in the prior art that cannot generate effect of sound field
Art problem.
According to the one aspect of the utility model embodiment, a kind of audio processing for generating binaural audio signal is provided
Equipment, comprising: audio reading device, for reading monaural audio source, to generate monophonic audio signal；And audio signal
Reproducing unit is connected with audio reading device, generates left channel audio signal for monophonic audio signal to be carried out duplication
And right channel audio signal, and by the first transmission path left channel audio signal, and pass through the second transmission path
Transmit right channel audio signal.It is provided with the first simulation reverberator in first transmission path, is provided in the second transmission path
Two simulation reverberators.Wherein the first simulation reverberator and the second simulation reverberator are the simulation reverberation with same type and parameter
Device, and there is different random errors.
Optionally, further include audio signal record device, be configured to connect with the first transmission path and the second transmission path,
For the left channel audio signal of the first simulation reverberator processing and the right audio channel of the second simulation reverberator processing will to be passed through
Signal is recorded.
Optionally, the first simulation reverberator and the second simulation reverberator are foil reverberator.
Optionally, the foil reverberator includes: input terminal, the first amplifier, driver, paillon, sound pick-up, second puts
Big device and output end.Wherein input terminal is configured to receive audio signal；First amplifier is connect with input terminal for defeated
Enter and received audio is held to amplify；Driver is connect with the first amplifier, and motivates paillon based on received audio signal
Vibration；Sound pick-up picks up voice signal from paillon, and is converted to audio signal；Second amplifier is connect with sound pick-up, is used for
The audio signal that sound pick-up generates is amplified；Output end is connect with the second amplifier, for amplify the second amplifier
Audio signal output.
Optionally, paillon configures in a manner of through spring suspended.
Optionally, reverberator is spring reverberator.
Optionally, reverberator is the reverberator that analog circuit is constituted.
In the utility model embodiment, be utilized between left channel audio signal and right channel audio signal with chance error
Difference so that the sound after synthesis produces good effect of sound field, and then solves double using monophonic audio material generation
The technical issues of cannot generating effect of sound field existing in the prior art of channel audio signal.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is the schematic diagram for recording the equipment of two-channel audio and video products using monophonic audio material in the prior art；
Fig. 2 is the schematic diagram of the audio signal of monophonic audio material；
Fig. 3 is the schematic diagram of the binaural audio signal generated by duplication；
Fig. 4 is the sound that binaural audio signal is recorded using monophonic audio material according to disclosure specific embodiment
The schematic diagram of frequency process equipment；And
Fig. 5 is the foil reverberator according to disclosure specific embodiment as the specific example of simulation reverberator
Schematic diagram.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practical
Novel and its application or any restrictions used.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, is fallen within the protection scope of the utility model.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
Up to the unlimited the scope of the utility model processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each shown in attached drawing
The size of a part is not to draw according to actual proportionate relationship.For skill known to person of ordinary skill in the relevant
Art, method and apparatus may be not discussed in detail, but in the appropriate case, and technology, method and apparatus should be considered as authorization and say
A part of bright book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively,
Not as limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar mark
Number and letter similar terms are indicated in following attached drawing, therefore, once be defined in a certain Xiang Yi attached drawing, then subsequent
It does not need that it is further discussed in attached drawing.
Fig. 4 is to show to generate two-channel sound using monophonic audio material according to disclosure specific embodiment
The schematic diagram of the audio process equipment of frequency signal.
Refering to what is shown in Fig. 4, present disclose provides a kind of audio process equipments for generating binaural audio signal, comprising: sound
Frequency reading device 1 generates monophonic audio signal for reading monaural audio source；And audio signal reproducing unit 2, with
Audio reading device 1 is connected, and generates left channel audio signal and right channel sound for monophonic audio signal to be carried out duplication
Frequency signal, and left channel audio signal is transmitted by the first transmission path 6, and right sound is transmitted by the second transmission path 7
Audio channel signal.Wherein, it is provided with the first simulation reverberator 4 in the first transmission path 6, is provided in the second transmission path 7
Two simulation reverberators 5.First simulation reverberator 4 and the second simulation reverberator 5 are the simulation reverberation with same type and parameter
Device, and there is different random errors.
As mentioned above, it is provided in the first transmission path 6 in first simulation reverberator 4 and the second transmission path 7
Setting the second simulation reverberator 5.Due to the simulation reverberation that the first simulation reverberator 4 and the second simulation reverberator 5 are same type
Device, and parameter having the same, therefore the left channel audio signal that is theoretically exported from the first simulation reverberator 4 and from second
Simulating the right channel audio signal that reverberator 5 exports is still identical audio signal.But since simulation reverberator itself is deposited
In random error, the first simulation reverberator 4 and the second simulation reverberator 5 are there is different random errors, so as to cause the
It is deposited between the right channel audio signal that the left channel audio signal and the second simulation reverberator 5 that one simulation reverberator 4 exports export
In random error.
However, the technical solution of the disclosure is exactly utilized between the first simulation reverberator 4 and the second simulation reverberator 5
The random error between left channel audio signal and right channel audio signal is utilized in random error in other words, so that after synthesis
Sound produce good effect of sound field.The contribution of the technical solution of the disclosure is that the prior art is usually all put forth effort on
The error for reducing reverberator, to introduce Digital Artificial Reverberator.But the disclosure be then be utilized simulation reverberator error, and
And it is applied to the audio process equipment that binaural audio signal is generated using monophonic audio material.
Since the first simulation reverberator 4 and the second simulation reverberator 5 are the simulation reverberators with same type and parameter,
Therefore there is no significantly deviations for the left channel audio signal and right channel audio signal of its output, from without synthesizing
The cracking of sound effect afterwards.In addition, as mentioned above, left channel audio signal and right audio channel letter is utilized in the disclosure
Random error between number, so that the sound after synthesis produces good effect of sound field.
To through the above scheme, solve the existing skill for generating binaural audio signal using monophonic audio material
The technical issues of acoustic image existing for art scheme only shows intermediate position, shows without sound field.
Optionally, in addition, it refering to what is shown in Fig. 4, the equipment can also include audio signal record device 3, is configured to and the
One transmission path 6 and the connection of the second transmission path 7, the left channel audio signal handled for the first simulation reverberator 4 will to be passed through
The right channel audio signal handled with the second simulation reverberator 5 is recorded.Good sound field table has been provided it is thus possible to record
Existing audio and video products.
In addition, refering to what is shown in Fig. 5, the first simulation reverberator 4 and second simulates reverberator as the example for simulating reverberator
5 can be foil reverberator.
Further, foil reverberator may include input terminal 51, the first amplifier 52, driver 53, paillon 57, pickup
Device 54, the second amplifier 55 and output end 56.Input terminal 51 is configured to receive audio signal；First amplifier 52 and input
51 connection of end is for amplifying the received audio of input terminal 51；Driver 53 is connect with the first amplifier 52, and is based on
Received audio signal excitation paillon 57 vibrates；Sound pick-up 54 picks up voice signal from paillon 57, and is converted to audio signal；
Second amplifier 55 is connect with sound pick-up 54, and the audio signal for generating sound pick-up 54 amplifies；Output end 56 and
The connection of two amplifiers 55, the audio signal output for amplifying the second amplifier 55.
To which one respectively be arranged in the first transmission path 6 and the second transmission path 7 as above in the scheme of the disclosure
The foil reverberator.And the foil reverberator parameter having the same in two transmission paths, but have different
Random error, so as to realize the acoustics with good sound field representation.
Optionally, in addition, the paillon 57 is configured by by way of the suspention of spring 581 and 582.So that paillon 57
The vibration of the application of driver 53 can be experienced more sensitively, so that tamber effect is more preferably after reverberation.
Certainly, suitable for the unlimited foil reverberator of the simulation reverberator of disclosed technique scheme.For example, simulation reverberator
The reverberator that either can there is analog circuit to constitute using spring reverberator.As long as the first transmission path 6 and the second transmission
Spring reverberator structure and parameter having the same on path 7 is i.e. using the first transmission path 6 and the second transmission path 7
On spring reverberator between different random error, realizing has the acoustics of good sound field representation.
To through the above scheme, solve the existing skill for generating binaural audio signal using monophonic audio material
The technical issues of acoustic image existing for art scheme only shows intermediate position, shows without sound field.To realize with good
The acoustics of good sound field representation.
In the description of the present invention, it should be understood that the noun of locality such as " front, rear, top, and bottom, left and right ", " laterally,
Vertically, vertically, it is horizontal " and " pushing up, bottom " etc. indicated by orientation or positional relationship be normally based on orientation or position shown in the drawings
Relationship is set, is merely for convenience of describing the present invention and simplifying the description, in the absence of explanation to the contrary, these nouns of locality
Do not indicate that and imply that signified device or element must have a particular orientation or be constructed and operated in a specific orientation, because
This should not be understood as the limitation to scope of protection of the utility model；The noun of locality " inside and outside " refers to the wheel relative to each component itself
Wide is inside and outside.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of utility model protection range.
In addition, above-mentioned the embodiment of the present application serial number is for illustration only, do not represent the advantages or disadvantages of the embodiments.In the upper of the application
It states in embodiment, all emphasizes particularly on different fields to the description of each embodiment, there is no the part being described in detail in some embodiment, may refer to it
The associated description of his embodiment.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (7)
1. generating the audio process equipment of binaural audio signal, comprising:
Audio reading device (1), for reading monaural audio source, to generate monophonic audio signal；And
Audio signal reproducing unit (2) is connected with the audio reading device (1), is used for the monophonic audio signal
It carries out duplication and generates left channel audio signal and right channel audio signal, and transmit the left side by the first transmission path (6)
Channel audio signal, and the right channel audio signal is transmitted by the second transmission path (7), which is characterized in that
It is provided with the first simulation reverberator (4) on first transmission path (6), is provided on second transmission path (7)
Second simulation reverberator (5), wherein
First simulation reverberator (4) and second simulation reverberator (5) are mixed for the simulation with same type and parameter
Chinese percussion instrument, and there is different random errors.
2. equipment according to claim 1, which is characterized in that further include audio signal record device (3), be configured to and institute
The first transmission path (6) and second transmission path (7) connection are stated, at will be by first simulation reverberator (4)
The left channel audio signal of reason and the right channel audio signal of the second simulation reverberator (5) processing are recorded.
3. equipment according to claim 1 or 2, which is characterized in that first simulation reverberator (4) and the second simulation are mixed
Chinese percussion instrument (5) is foil reverberator.
4. equipment according to claim 3, which is characterized in that the foil reverberator includes: input terminal (51), first puts
Big device (52), driver (53), paillon (57), sound pick-up (54), the second amplifier (55) and output end (56), wherein
The input terminal (51) is configured to receive audio signal；
First amplifier (52) is connect for carrying out to the received audio of the input terminal (51) with the input terminal (51)
Amplification；
The driver (53) connect with first amplifier (52), and motivates the paillon based on received audio signal
(57) it vibrates；
The sound pick-up (54) picks up voice signal from the paillon (57), and is converted to audio signal；
Second amplifier (55) is connect with the sound pick-up (54), and the audio signal for generating the sound pick-up (54) carries out
Amplification；
Output end (56) is connect with second amplifier (55), and the audio for amplifying second amplifier (55) is believed
Number output.
5. equipment according to claim 4, which is characterized in that side of the paillon to be suspended in midair by spring (581,582)
Formula configuration.
6. equipment according to claim 1 or 2, which is characterized in that the reverberator is spring reverberator.
7. equipment according to claim 1 or 2, which is characterized in that the reverberator is the reverberator that analog circuit is constituted.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820754423.6U CN208258049U (en) | 2018-05-21 | 2018-05-21 | Generate the audio process equipment of binaural audio signal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820754423.6U CN208258049U (en) | 2018-05-21 | 2018-05-21 | Generate the audio process equipment of binaural audio signal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109922420A (en) * | 2019-04-08 | 2019-06-21 | 北京东奥时代教育科技有限公司 | One kind realizing stereosonic method based on sound channel copy |
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2018
- 2018-05-21 CN CN201820754423.6U patent/CN208258049U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109922420A (en) * | 2019-04-08 | 2019-06-21 | 北京东奥时代教育科技有限公司 | One kind realizing stereosonic method based on sound channel copy |
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Granted publication date: 20181218 |