CN107393579A - The way of recording, sound pick-up outfit - Google Patents
The way of recording, sound pick-up outfit Download PDFInfo
- Publication number
- CN107393579A CN107393579A CN201710650711.7A CN201710650711A CN107393579A CN 107393579 A CN107393579 A CN 107393579A CN 201710650711 A CN201710650711 A CN 201710650711A CN 107393579 A CN107393579 A CN 107393579A
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- voice signal
- microphone
- sound
- yield value
- recording
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/16—Storage of analogue signals in digital stores using an arrangement comprising analogue/digital [A/D] converters, digital memories and digital/analogue [D/A] converters
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10018—Improvement or modification of read or write signals analog processing for digital recording or reproduction
- G11B20/10027—Improvement or modification of read or write signals analog processing for digital recording or reproduction adjusting the signal strength during recording or reproduction, e.g. variable gain amplifiers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
- G11B2020/10537—Audio or video recording
- G11B2020/10592—Audio or video recording specifically adapted for recording or reproducing multichannel signals
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Circuit For Audible Band Transducer (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Abstract
The present invention relates to a kind of way of recording, and the voice signal of multiple directions is correspondingly received using the microphone of multiple unidirectivities；The voice signal in the multiple direction is stored to corresponding memory respectively；The voice signal in the multiple direction of synchronization is sampled, and selects the maximum voice signal of sound pressure level；The maximum voice signal of the sound pressure level is amplified processing using the first yield value, and at least one in remaining voice signal is amplified processing using the second yield value, wherein, the first yield value is more than the second yield value；Voice signal after processing is stored to corresponding memory respectively.The present invention also provides a kind of sound pick-up outfit.The microphone of the multiple unidirectivities of the way of recording and equipment utilization of the present invention correspondingly receives the voice signal of multiple directions, and utilize the maximum voice signal of larger gain amplification sound pressure level, so as to amplify useful voice signal while the sound of multiple directions is received, and reduce noise jamming.
Description
Technical field
The present invention relates to Audiotechnica field, more particularly to a kind of way of recording, sound pick-up outfit.
Background technology
Current sound pick-up outfit be generally divided into (such as recording microphone, recording pen) all referring to and noise-reduction type.Omnidirectional
Sound pick-up outfit can receive sound all around, but the sound received there may be more noise, and can not differentiate sound
Direction；The sound pick-up outfit of noise-reduction type can reduce noise, but can only receive the sound in one or two direction, can not be clearly
Receive the signal of surrounding.
Therefore, current sound pick-up outfit can not reduce noise jamming around receiving while the sound of multiple directions.
The content of the invention
It is an object of the present invention to provide a kind of way of recording, sound pick-up outfit, can receive the same of the sound of multiple directions
When reduce noise jamming.
The present invention provides a kind of way of recording, and the way of recording correspondingly connects using the microphone of multiple unidirectivities
Receive the voice signal of multiple directions；The voice signal in the multiple direction is stored to corresponding memory respectively；Sample same
The voice signal in the multiple direction at moment, and select the maximum voice signal of sound pressure level；The sound pressure level is maximum
Voice signal is amplified processing using the first yield value, and at least one in remaining voice signal is increased using second
After beneficial value is amplified processing, wherein, the first yield value is more than the second yield value；
By the sound signal storage after processing to corresponding memory.
Further, the way of recording is included in when receiving total play instruction, by multiple sides in multiple memories
To voice signal synthesized；Voice signal after being synthesized using player plays.
Further, the way of recording is included in when receiving set direction play instruction, plays and is chosen direction
Voice signal in memory corresponding to microphone.
Further, the corresponding voice signal for receiving a direction of the microphone of each unidirectivity.
The present invention also provides a kind of sound pick-up outfit, and the sound pick-up outfit includes microphone, the Duo Gecun of multiple unidirectivities
Reservoir, sampling module and processing module.The microphone of the multiple unidirectivity is used for the corresponding sound letter for receiving multiple directions
Number.The multiple memory is corresponding with the microphone of the multiple unidirectivity to be connected, for storing the multiple direction respectively
Voice signal.The sampling module is connected with the multiple memory, for sampling the multiple direction of synchronization
Voice signal, and select the maximum voice signal of sound pressure level.The processing module and the sampling module and the multiple deposit
Reservoir is connected, for the maximum voice signal of the sound pressure level to be amplified into processing using the first yield value, and by remaining sound
After at least one in sound signal is amplified processing using the second yield value, the voice signal after processing is sent to right
The memory storage answered, wherein, the first yield value is more than the second yield value.
Further, the sound pick-up outfit also includes input module, synthesis module, player.The input module is used for
Receive total play instruction.The synthesis module is connected with the input module, described total for being received in the input module
During play instruction, the voice signal of the multiple directions in multiple memories is synthesized.The player and the synthesis mould
Block is connected, for playing the voice signal after synthesizing.
Further, the input module is additionally operable to receive set direction play instruction；The player is additionally operable to described
When input module receives the set direction play instruction, the sound in memory corresponding to the microphone for being chosen direction is played
Sound signal.
Further, the input module includes total broadcast button and multiple directions select button.Total broadcast button
For receiving total play instruction.The multiple direction selection buttons are used to receive the set direction instruction.
Further, the multiple direction selection buttons are located at the surrounding of total broadcast button, and each arrow button
The microphone of a corresponding unidirectivity.
Further, the corresponding voice signal for receiving a direction of the microphone of each unidirectivity.
The way of recording of the present invention, sound pick-up outfit, multiple directions are correspondingly received using the microphone of multiple unidirectivities
Voice signal, and stored after the maximum voice signal of sound pressure level is amplified into processing using the first yield value to corresponding storage
Device, and at least one in remaining voice signal is amplified to store to corresponding after processing using the second yield value and deposited
Reservoir, wherein, the first yield value is more than the second yield value, is made an uproar so that can be reduced while the sound of multiple directions is received
Acoustic jamming.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, and in order to allow the above and other objects, features and advantages of the present invention can
Become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail as follows.
Brief description of the drawings
Fig. 1 is the schematic flow sheet for the way of recording that first embodiment of the invention provides.
Fig. 2 is the schematic flow sheet for the way of recording that second embodiment of the invention provides.
Fig. 3 is the schematic flow sheet for the way of recording that third embodiment of the invention provides.
Fig. 4 is the modular structure schematic diagram for the sound pick-up outfit that fourth embodiment of the invention provides.
Fig. 5 is the structural representation of the embodiment of microphone one of multiple unidirectivities shown in 4 as shown.
Embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Accompanying drawing and preferred embodiment, to according to the way of recording proposed by the present invention, sound pick-up outfit its embodiment, method, step,
Structure, feature and its effect, describe in detail as follows.
For the present invention foregoing and other technology contents, feature and effect, in the following preferable reality coordinated with reference to schema
Applying in the detailed description of example to clearly appear from.By the explanation of embodiment, when predetermined mesh can be reached to the present invention
The technological means taken and effect be able to more deeply and it is specific understand, but institute's accompanying drawings are only to provide with reference to saying
It is bright to be used, not it is used for being any limitation as the present invention.
First embodiment
Fig. 1 is the schematic flow sheet for the way of recording that first embodiment of the invention provides.The way of recording as shown in Figure 1 can
With but be not limited to be applied to the terminal such as conference microphone, mobile phone.As shown in figure 1, the way of recording comprises the following steps：
Step S11：The voice signal of multiple directions is correspondingly received using the microphone of multiple unidirectivities；
Specifically, in the present embodiment, the corresponding voice signal for receiving a direction of the microphone of each unidirectivity.
In other embodiment, the microphone of at least one of unidirectivity can also receive the voice signal of both direction.
Wherein, the microphone of unidirectivity can be, but not limited to include cardioid and/or super core shape and/or gun shaped points to Mike
Wind.Cardioid, which is pointed to, optimal radio reception effect for the sound in front of microphone, and the sound from other directions then can
It is attenuated.Super core shape points to (Hypercardioid) and pointed to compared to cardioid, and super core shape, which points to counteract, more comes from microphone
The sound of side surface direction.Gun shaped directional microphone is the microphone that a kind of limit most asks single direction to point to.Its optimal radio reception angle
Spend the small range conical region for front.
Step S12:The voice signal of multiple directions is stored to corresponding memory respectively；
Specifically, can be, but not limited to correspondingly store the voice signal in a direction to a memory, but the present invention
It is not limited thereto.
Step S13：The voice signal of the multiple directions of synchronization is sampled, and selects the maximum sound letter of sound pressure level
Number；
Specifically, sample frequency can be that system default value can also be set according to the instruction of user.
Step S14：The maximum voice signal of sound pressure level is amplified processing using the first yield value, and by remaining sound
After at least one in signal is amplified processing using the second yield value, by the sound signal storage after processing to corresponding
Memory, wherein, the first yield value is more than the second yield value.
Specifically, remaining all voice signal in addition to the maximum voice signal of sound pressure level can be increased using second
Benefit is amplified processing, and remaining one or more voice signal profit can also will be chosen in addition to the maximum voice signal of sound pressure level
Processing etc. is amplified with the second gain.
The way of recording of the present invention, the voice signal of multiple directions is correspondingly received using the microphone of multiple unidirectivities,
And stored after the maximum voice signal of sound pressure level is amplified into processing using the first yield value to corresponding memory, and by its
In remaining voice signal at least one using the second yield value be amplified processing after store to corresponding memory, its
In, the first yield value is more than the second yield value, so that noise jamming can be reduced while the sound of multiple directions is received.
Second embodiment
Fig. 2 is the schematic flow sheet for the way of recording that second embodiment of the invention provides.As shown in Fig. 2 way of recording bag
Include following steps：
Step S21：The voice signal of multiple directions is correspondingly received using the microphone of multiple unidirectivities；
Step S22:The voice signal of multiple directions is stored to corresponding memory respectively；
Step S23：The voice signal of the multiple directions of synchronization is sampled, and selects the maximum sound letter of sound pressure level
Number；
Step S24：The maximum voice signal of sound pressure level is amplified processing using the first yield value, and by remaining sound
After at least one in signal is amplified processing using the second yield value, by the sound signal storage after processing to corresponding
Memory, wherein, the first yield value is more than the second yield value；
Step S25：When receiving total play instruction, the voice signal of the multiple directions in multiple memories is closed
Into；
Step S26：Voice signal after being synthesized using player plays.
The way of recording of the present invention, the voice signal of multiple directions is correspondingly received using the microphone of multiple unidirectivities,
And stored after the maximum voice signal of sound pressure level is amplified into processing using the first yield value to corresponding memory, and by its
In remaining voice signal at least one using the second yield value be amplified processing after store to corresponding memory, its
In, the first yield value is more than the second yield value, so that noise jamming can be reduced while the sound of multiple directions is received,
And when receiving total play instruction, the voice signal after synthesis is played, flexibility is high.
3rd embodiment
Fig. 3 is the schematic flow sheet for the way of recording that third embodiment of the invention provides.As shown in figure 3, way of recording bag
Include following steps：
Step S31：The voice signal of multiple directions is correspondingly received using the microphone of multiple unidirectivities；
Step S32:The voice signal of multiple directions is stored to corresponding memory respectively；
Step S33：The voice signal of the multiple directions of synchronization is sampled, and selects the maximum sound letter of sound pressure level
Number；
Step S34：The maximum voice signal of sound pressure level is amplified processing using the first yield value, and by remaining sound
After at least one in signal is amplified processing using the second yield value, by the sound signal storage after processing to corresponding
Memory, wherein, the first yield value is more than the second yield value.
Step S35：When receiving set direction play instruction, memory corresponding to the microphone for being chosen direction is played
In voice signal.
Specifically, the sound letter for receiving four corners of the world four direction respectively using the microphone of four unidirectivities is worked as in utilization
Number when, if receive the set direction play instruction in east, play positioned at east microphone corresponding to memory storage
Voice signal, be merely for illustration above, be not intended to limit the present invention.If such as receive the direction choosing in east
Play instruction is selected, then the voice signal of memory storage corresponding to the microphone positioned at east is played, if receiving the side in northeast
To selection play instruction, then the voice signal for being located at memory storage corresponding to the microphone of northeastward is played, if connect simultaneously
The set direction play instruction in east and northeast is received, then is played positioned at memory corresponding to the microphone of east and northeastward
The voice signal of storage.The like, if receiving the set direction play instruction in more than three directions simultaneously, play simultaneously
The voice signal being chosen in memory corresponding to the microphone in direction.
The way of recording of the present invention, the voice signal of multiple directions is correspondingly received using the microphone of multiple unidirectivities,
And stored after the maximum voice signal of sound pressure level is amplified into processing using the first yield value to corresponding memory, and by its
In remaining voice signal at least one using the second yield value be amplified processing after store to corresponding memory, its
In, the first yield value is more than the second yield value, so that noise jamming can be reduced while the sound of multiple directions is received,
And when receiving set direction play instruction, the voice signal that the microphone of correspondence direction receives is played, flexibility is high.
Fig. 4 is the modular structure schematic diagram for the sound pick-up outfit that fourth embodiment of the invention provides.As shown in figure 4, recording is set
It is standby to include sound receiving module 40, memory module 41, sampling module 42 and processing module 43.Sound receiving module 40 includes more
The microphone of individual unidirectivity, memory module 41 include multiple memories.
Wherein, the microphone of multiple unidirectivities is used for the corresponding voice signal for receiving multiple directions.It is real in the present invention one
Apply in mode, the corresponding voice signal for receiving a direction of microphone of each unidirectivity.
Fig. 5 is the structural representation of the embodiment of microphone one of multiple unidirectivities shown in 4 as shown.As shown in figure 5,
Sound receiving module 40 includes the microphone 401,402,403,404,405,406,407,408 of eight unidirectivities.
In one embodiment, 401,402,403,404,405,406,407,408 points of the microphone of eight unidirectivities
Not Jie Shou East, West, South, North, northeast, northwest, southwest, the voice signal in eight directions in the southeast, but the present invention is not limited thereto.
Wherein, multiple memories are corresponding with the microphone of multiple unidirectivities is connected, for storing multiple directions respectively
Voice signal.Sampling module 42 is connected with multiple memories, the voice signal of the multiple directions for sampling synchronization, and selects
Take out the maximum voice signal of sound pressure level.Processing module 43 is connected with sampling module 42 and multiple memories, for by sound pressure level
Maximum voice signal is amplified processing using the first yield value, and at least one in remaining voice signal is utilized
After second yield value is amplified processing, the voice signal after processing is sent to corresponding memory storage, wherein, first increases
Benefit value is more than the second yield value.
In an embodiment of the present invention, sound pick-up outfit also includes input module (not shown), synthesis module (in figure
Be not shown), player (not shown).
In one embodiment, input module is used to receive total play instruction.Synthesis module is connected with input module, is used for
When input module receives total play instruction, the voice signal of the multiple directions in multiple memories is synthesized.Play
Device is connected with synthesis module, for playing the voice signal after synthesizing.
In an embodiment of the present invention, input module is additionally operable to receive set direction play instruction.Player is additionally operable to
When input module receives set direction play instruction, the sound letter in memory corresponding to the microphone for being chosen direction is played
Number.If such as receive the set direction play instruction in east, play positioned at east microphone corresponding to memory storage
Voice signal, if receiving the set direction play instruction in northeast, play positioned at northeastward microphone corresponding to deposits
The voice signal of reservoir storage, if receiving the set direction play instruction in east and northeast simultaneously, play positioned at east and
The voice signal of memory storage corresponding to the microphone of northeastward.The like, if receiving more than three directions simultaneously
Set direction play instruction, then play the voice signal being chosen corresponding to the microphone in direction in memory simultaneously.
In an embodiment of the present invention, input module includes total broadcast button and multiple directions select button.It is total to play
Button is used to receive total play instruction.Multiple directions select button is used to receive direction selection instruction.
In an embodiment of the present invention, multiple directions select button is located at the surrounding of total broadcast button, and each direction
The microphone of the corresponding unidirectivity of button.
The way of recording of the present invention, sound pick-up outfit, multiple directions are correspondingly received using the microphone of multiple unidirectivities
Voice signal, and stored after the maximum voice signal of sound pressure level is amplified into processing using the first yield value to corresponding storage
Device, and at least one in remaining voice signal is amplified to store to corresponding after processing using the second yield value and deposited
Reservoir, wherein, the first yield value is more than the second yield value, is made an uproar so that can be reduced while the sound of multiple directions is received
Acoustic jamming.
It should be noted that each embodiment in this specification is described by the way of progressive, each embodiment weight
Point explanation is all difference with other embodiment, between each embodiment identical similar part mutually referring to.
For terminal class embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, related part is joined
See the part explanation of embodiment of the method.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, without departing from the scope of the present invention, when a little change or modification can be made by the technology contents of the disclosure above
For the equivalent embodiment of equivalent variations, as long as being the technical spirit pair according to the present invention without departing from technical solution of the present invention content
Any simple modification, equivalent change and modification that above example is made, in the range of still falling within technical solution of the present invention.
Claims (10)
1. a kind of way of recording, it is characterised in that the way of recording includes：
The voice signal of multiple directions is correspondingly received using the microphone of multiple unidirectivities；
The voice signal in the multiple direction is stored to corresponding memory respectively；
The voice signal in the multiple direction of synchronization is sampled, and selects the maximum voice signal of sound pressure level；
The maximum voice signal of the sound pressure level is amplified processing using the first yield value, and by remaining voice signal
At least one is amplified processing using the second yield value, wherein, the first yield value is more than the second yield value；
Voice signal after processing is stored to corresponding memory respectively.
2. the way of recording as claimed in claim 1, it is characterised in that the way of recording also includes：
When receiving total play instruction, multiple voice signals in multiple memories are synthesized；
Voice signal after being synthesized using player plays.
3. the way of recording as claimed in claim 1, it is characterised in that the way of recording includes：
When receiving set direction play instruction, the sound letter in memory corresponding to the microphone for being chosen direction is played
Number.
4. the way of recording as claimed in claim 1, it is characterised in that the microphone of each unidirectivity is corresponding to receive a side
To voice signal.
5. a kind of sound pick-up outfit, it is characterised in that the sound pick-up outfit includes the microphone of multiple unidirectivities, multiple storages
Device, sampling module and processing module；
The microphone of the multiple unidirectivity is used for the corresponding voice signal for receiving multiple directions；
The multiple memory is corresponding with the microphone of the multiple unidirectivity to be connected, for storing the multiple direction respectively
Voice signal；
The sampling module is connected with the multiple memory, the sound letter in the multiple direction for sampling synchronization
Number, and select the maximum voice signal of sound pressure level；
The processing module is connected with the sampling module and the multiple memory, for by the maximum sound of the sound pressure level
Signal is amplified processing using the first yield value, and at least one in remaining voice signal is utilized into the second yield value
After being amplified processing, the voice signal after processing is sent to corresponding memory storage, wherein, the first yield value is more than the
Two yield values.
6. sound pick-up outfit as claimed in claim 5, it is characterised in that the sound pick-up outfit also includes input module, synthesis mould
Block, player；
The input module is used to receive total play instruction；
The synthesis module is connected with the input module, for when the input module receives total play instruction,
The voice signal of multiple directions in multiple memories is synthesized；
The player is connected with the synthesis module, for playing the voice signal after synthesizing.
7. sound pick-up outfit as claimed in claim 6, it is characterised in that the input module is additionally operable to receive set direction broadcasting
Instruction；When the player is additionally operable to the input module and receives the set direction play instruction, play and be chosen direction
Microphone corresponding to voice signal in memory.
8. sound pick-up outfit as claimed in claim 7, it is characterised in that the input module includes total broadcast button and multiple
Direction selection buttons；
Total broadcast button is used to receive total play instruction；
The multiple direction selection buttons are used to receive the set direction instruction.
9. sound pick-up outfit as claimed in claim 8, it is characterised in that the multiple direction selection buttons are positioned at total broadcasting
The surrounding of button, and the microphone of the corresponding unidirectivity of each arrow button.
10. sound pick-up outfit as claimed in claim 5, it is characterised in that the microphone of each unidirectivity is corresponding to receive one
The voice signal in direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710650711.7A CN107393579A (en) | 2017-08-02 | 2017-08-02 | The way of recording, sound pick-up outfit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710650711.7A CN107393579A (en) | 2017-08-02 | 2017-08-02 | The way of recording, sound pick-up outfit |
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| Publication Number | Publication Date |
|---|---|
| CN107393579A true CN107393579A (en) | 2017-11-24 |
Family
ID=60343018
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| CN201710650711.7A Pending CN107393579A (en) | 2017-08-02 | 2017-08-02 | The way of recording, sound pick-up outfit |
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| CN108257605A (en) * | 2018-02-01 | 2018-07-06 | 广东欧珀移动通信有限公司 | Multichannel recording method, apparatus and electronic equipment |
| CN111145793A (en) * | 2018-11-02 | 2020-05-12 | 北京微播视界科技有限公司 | Audio processing method and device |
| CN113096693A (en) * | 2019-12-23 | 2021-07-09 | 蒂雅克股份有限公司 | Recording/reproducing apparatus |
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