CN107493544A - A kind of sound switching method and microphone - Google Patents
A kind of sound switching method and microphone Download PDFInfo
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- CN107493544A CN107493544A CN201710014807.4A CN201710014807A CN107493544A CN 107493544 A CN107493544 A CN 107493544A CN 201710014807 A CN201710014807 A CN 201710014807A CN 107493544 A CN107493544 A CN 107493544A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/03—Connection circuits to selectively connect loudspeakers or headphones to amplifiers
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
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- Circuit For Audible Band Transducer (AREA)
Abstract
The invention provides a kind of sound switching method and microphone, methods described includes：Receive the first voice signal；Judge whether the current state of dry and wet sound switching switch indicates to store primary sound；Wherein, the dry and wet sound switching switch is arranged in microphone；If the current state instruction storage primary sound of the dry and wet sound switching switch, optimizes processing to first voice signal by digital processing unit, generates second sound signal；The second sound signal is sent to audiomonitor；First voice signal is sent to storage device and stored.The sound handover scheme of the offer of the embodiment of the present invention, microphone can carry out increase audio effect processing automatically to voice signal, and user need not carry out increase audio effect processing by third party software again to voice signal, simple operation, can lift the usage experience of user.
Description
Technical field
The present invention relates to sound processing techniques field, more particularly to a kind of sound switching method and microphone.
Background technology
Now with the popularization of mobile device K songs, the demand of the sound recording equipment that user uses when being sung to K is also increasingly
It is high.When user is sung using mobile device K, according to being actually needed for user, some users need to record dry sound, and some users are then
Need to record wet sound, so-called dry sound refers to the original sound without chip or software processing, and wet sound refers to by chip or software
The sound with audio of processing.
During user carries out record at present, user needs to use microphone to receive original sound, and soft by third party
Part to the original sound received increase the processing of audio.The software installed in general mobile K songs equipment, can be provided several
The effect mode of acoustic processing selects for user, such as：Reverberation, change voice, the audio such as electric sound.
But the scheme of audio effect processing is carried out, it is necessary to be handled by third party software, to sound to sound at present
When carrying out audio effect processing, audio file to be processed will be first needed to import, then the audio file of importing is entered by third party software
Row processing, audio effect processing is carried out to audio file.It can be seen that user will expect the audio with audio, it is necessary to carry out a series of numerous
Trivial work, loses time, and influences Consumer's Experience.
The content of the invention
It is right present in existing sound handover scheme to solve the invention provides a kind of sound switching method and microphone
The problem of during audio file progress audio effect processing, it is necessary to cumbersome caused by being handled using third party software.
In order to solve the above problems, the invention discloses a kind of sound switching method, methods described includes：Receive the first sound
Sound signal；Judge whether the current state of dry and wet sound switching switch indicates to store primary sound；Wherein, the dry and wet sound switching switch is set
It is placed in microphone；If the current state instruction storage primary sound of the dry and wet sound switching switch, by digital processing unit to described
First voice signal optimizes processing, generates second sound signal；The second sound signal is sent to audiomonitor；Will
First voice signal, which is sent to storage device, to be stored.
Preferably, methods described also includes：If the current state of the dry and wet sound switching switch does not indicate to store primary sound, lead to
Cross the digital processing unit and processing is optimized to first voice signal, generate second sound signal；By the rising tone
Sound signal is sent to audiomonitor；The second sound signal is sent to storage device and stored.
Preferably, methods described also includes：The sound received by radio reception mouth of the sound intensifier to the microphone
Signal is amplified processing, generates the first voice signal.
Preferably, methods described also includes：Analog-to-digital conversion is carried out to first voice signal by analog-digital converter, will
First voice signal is converted into data signal by analog signal.
Preferably, the step of optimizing processing to first voice signal by digital processing unit includes：By described in
First voice signal obtains second sound signal by audio effect processing chip, wherein, the audio effect processing chip is arranged at described
In digital processing unit.
In order to solve the above problems, the invention also discloses a kind of microphone, the microphone includes, digital processing unit,
The digital processing unit includes：Receiving module, for receiving the first voice signal；Judge module, for judging that dry and wet sound switches
Whether the current state of switch indicates to store primary sound；Wherein, the dry and wet sound switching switch is arranged in microphone；First optimization
Processing module, if the current state instruction storage primary sound for dry and wet sound switching switch, enters to first voice signal
Row optimization processing, generate second sound signal；First sends monitoring module, for the second sound signal to be sent to monitoring
Equipment；First sends memory module, is stored for first voice signal to be sent to storage device.
Preferably, the digital processing unit also includes：Second optimization processing module, if dry and wet sound switching switch is worked as
Preceding state does not indicate to store primary sound, processing is optimized to first voice signal, generates second sound signal；Second sends
Module is monitored, for the second sound signal to be sent to audiomonitor；Second sends memory module, for by described second
Voice signal sends to storage device and stored.
Preferably, the microphone also includes：Sound intensifier；The sound intensifier is used for the receipts to the microphone
The voice signal that sound mouth receives is amplified processing, generates the first voice signal.
Preferably, the microphone also includes, analog-digital converter；The analog-digital converter is used to pass through analog-digital converter pair
First voice signal carries out analog-to-digital conversion, and the first voice signal is converted into data signal by analog signal；Described first
Optimization processing module and the second optimization processing module are audio effect processing chip；Audio effect processing chip is used for first sound
Sound signal is handled to obtain second sound signal.
Preferably, the microphone includes：Be sequentially connected in series sound intensifier, analog-digital converter, digital processing unit, monolithic
Machine, Earphone Amplifier and dry and wet switching switch；The dry and wet switching switch is single-pole double-throw switch (SPDT), the dry and wet switching switch
First not moved end be connected on the sound intensifier and analog-digital converter path, second not moved end be connected to the digital processing
On the path of device and single-chip microcomputer, the moved end of the dry and wet switching switch is connected with peripheral storage device.
Compared with prior art, the present invention has advantages below：
Sound handover scheme provided in an embodiment of the present invention, dry and wet sound switching circuit is set in microphone, when user needs
When being stored to original sound signal, dry and wet sound switch is opened to instruction storage primary sound state, if desired wet sound entered
During row storage, then dry and wet sound is opened into the wet sound-like state of storage.It can be seen that existing sound handover scheme, user can be controlled
Make the storage to the dry sound or wet sound of voice signal.In addition, after microphone gets original voice signal, dry and wet is judged
The state of sound switch, the state according to dry and wet sound switch are handled sound.It can be seen that the sound of the offer of the embodiment of the present invention
Handover scheme, microphone can carry out increase audio effect processing automatically to voice signal, and user need not pass through again to voice signal
Third party software carries out increase audio effect processing, simple operation, can lift the usage experience of user.
Brief description of the drawings
Fig. 1 is a kind of step flow chart of sound switching method of the embodiment of the present invention one；
Fig. 2 is a kind of step flow chart of sound switching method of the embodiment of the present invention two；
Fig. 3 is sound recording system schematic；
Fig. 4 is a kind of structured flowchart of microphone of the embodiment of the present invention three；
Fig. 5 is a kind of structured flowchart of microphone of the embodiment of the present invention four.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
Embodiment one
Reference picture 1, show a kind of step flow chart of sound switching method of the embodiment of the present invention one.
The sound switching method of the embodiment of the present invention comprises the following steps：
Step 101：Receive the first voice signal.
When user carries out sound recording using microphone, user sends sound towards radio reception mouth, and MIC receives user
The sound sent.
It should be noted that the first voice signal be user send without any treated original sound.
Step 102：Judge whether the current state of dry and wet sound switching switch indicates to store primary sound.
Wherein, dry and wet sound switching switch is arranged in microphone；If the current state instruction storage of dry and wet sound switching switch
During primary sound, then step 103 is performed, if the current state of dry and wet sound switching switch does not indicate to store primary sound, perform setting behaviour
Make.
DSP receives the original sound signal sent from radio reception mouth, and the state for switching switch inside DSP to dry and wet sound is carried out
Detection, when detecting the indicated state of dry and wet sound switch to store primary sound, testing result is sent back into DSP, DSP is received
The consequential signal of return, basis signal carry out next step operation.
Wherein, setting operation could be arranged to add audio to the first voice signal, by the voice signal after addition audio
Store to local memory device, and the voice signal after addition audio is sent to audiomonitor.
Step 103：If the current state instruction storage primary sound of dry and wet sound switching switch, by digital processing unit to the first sound
Sound signal optimizes processing, generates second sound signal.
When DSP detects that the current state of dry and wet sound switching switch is used to indicate storage primary sound, testing result is instructed
Send back in DSP, and the original sound signal received is optimized into processing, and generate second sound signal.
It should be noted that second sound signal is the voice signal after handling original sound signal, that is, add
There is the voice signal of audio.
Step 104：Second sound signal is sent to audiomonitor.
After DSP generation second sound signals, second sound signal is sent to audiomonitor.User is pleasant to the ear in audiomonitor
The sound arrived is the voice signal after processing.
Step 105：First voice signal is sent to storage device and stored.
DSP sends the first voice signal into storage device.It should be noted that those skilled in the art can basis
It is actually needed and storage device is configured, storage device can be：Mobile device, USB flash disk etc..
By sound switching method provided in an embodiment of the present invention, primary sound both only can obtain by microphone and deposited primary sound
Store up to storage device；The sound with audio can be handled again after, and the sound with audio is sent to audiomonitor.
Sound switching method provided in an embodiment of the present invention, dry and wet sound switching circuit is set in microphone, when user needs
When being stored to original sound signal, dry and wet sound switch is opened to instruction storage primary sound state, if desired wet sound entered
During row storage, then dry and wet sound is opened into the wet sound-like state of storage.It can be seen that existing sound switching method, user can be controlled
Make the storage to the dry sound or wet sound of voice signal.In addition, after microphone gets original voice signal, dry and wet is judged
The state of sound switch, the state according to dry and wet sound switch are handled sound.It can be seen that the sound of the offer of the embodiment of the present invention
Switching method, microphone can carry out increase audio effect processing automatically to voice signal, and user need not pass through again to voice signal
Third party software carries out increase audio effect processing, simple operation, can lift the usage experience of user.
Embodiment two
Reference picture 2, show a kind of step flow chart of sound switching method of the embodiment of the present invention two.
The sound switching method of the embodiment of the present invention comprises the following steps：
Step 201：The voice signal received by radio reception mouth of the sound intensifier to microphone is amplified processing, raw
Into the first voice signal.
The sound that microphone is sent to user carries out radio reception and the sound received is amplified by sound intensifier
Processing.Wherein, sound intensifier is arranged in microphone.
The voice signal that sound intensifier obtains can be put for some time between in whole sound for receiving of microphone MIC
Signal, one or more voice signal may be included in this group of voice signal.
Step 202：Receive the first voice signal.
Voice signal after amplification is the first voice signal, and DSP receives the first voice signal by analog-to-digital conversion device.
Step 203：Judge whether the current state of dry and wet sound switching switch indicates to store primary sound；If so, then perform step
205, if it is not, then performing step 206.Wherein, the dry and wet sound switching switch is arranged in microphone.
DSP receives the first voice signal, and the state for switching switch inside DSP to dry and wet sound detects, when detecting
When the indicated state of dry and wet sound switch is stores primary sound state, testing result is sent back into DSP, DSP receives the knot of return
Fruit signal, basis signal carry out next step operation.
Step 204：Analog-to-digital conversion is carried out to the first voice signal by analog-digital converter, by the first voice signal by simulating
Signal is converted into data signal.
After microphone receives original sound signal, the voice signal of simulation will be converted to by numeral by analog-digital converter
Voice signal.Facilitate identifications and processing of the DSP to signal.
It should be noted that the analog-to-digital conversion to sound and the detection to dry and wet sound switch can be to carry out simultaneously,
It can be that analog-to-digital conversion is first carried out to voice signal, then dry and wet sound switch is detected.
Step 205：If the current state instruction storage primary sound of dry and wet sound switching switch, passes through audio by the first voice signal
Process chip obtains second sound signal.
Wherein, audio effect processing chip is arranged in digital processing unit.
When DSP detects the current state instruction storage primary sound of dry and wet sound switch, the first voice signal is in audio effect processing
Under a series of processing of chip, second sound signal is obtained, wherein second sound signal is the voice signal after increase audio.
Step 206：If the current state of dry and wet sound switching switch does not indicate to store primary sound, by digital processing unit to the
One voice signal optimizes processing, generates second sound signal.
When DSP detects that the current state of dry and wet sound switch is used to indicate to store wet sound, then the audio effect processing core in DSP
Piece under a series of processing of audio effect processing chip, obtains second sound signal to the first voice signal.
Step 207：Second sound signal is sent to audiomonitor.
Step 208：Second sound signal is sent to storage device and stored.
After DSP generation second sound signals, second sound signal is sent to audiomonitor.User is pleasant to the ear in audiomonitor
The sound arrived is the voice signal after processing.
DSP sends the first voice signal into storage device.It should be noted that those skilled in the art can basis
It is actually needed and storage device is configured, storage device can be：Mobile device, USB flash disk etc..
Sound switching method provided in an embodiment of the present invention, dry and wet sound switching circuit is set in microphone, when user needs
When being stored to original sound signal, dry and wet sound switch is opened to instruction storage primary sound state, if desired wet sound entered
During row storage, then dry and wet sound is opened into the wet sound-like state of storage.It can be seen that existing sound switching method, user can be controlled
Make the storage to the dry sound or wet sound of voice signal.In addition, after microphone gets original voice signal, dry and wet is judged
The state of sound switch, the state according to dry and wet sound switch are handled sound.It can be seen that the sound of the offer of the embodiment of the present invention
Switching method, microphone can carry out increase audio effect processing automatically to voice signal, and user need not pass through again to voice signal
Third party software carries out increase audio effect processing, simple operation, can lift the usage experience of user.
Referring to Fig. 3, the sound switching method of the embodiment of the present invention is illustrated by taking an instantiation as an example.
As shown in figure 3, sound recording system includes：The radio reception mouth that is sequentially connected in series, sound intensifier, analog-digital converter,
DSP, single-chip microcomputer, Earphone Amplifier and monitoring headpone.Dry and wet sound switching switch, dry and wet sound switching switch are provided with microphone
One not moved end be connected on the path of sound intensifier and analog-digital converter, dry and wet sound switching switch another not moved end understanding exists
On the path that DSP is connected with single-chip microcomputer, the turning end of dry and wet sound switching switch is connected with storage device.Wherein, MIC, sound
Amplifier, analog-digital converter, DSP, single-chip microcomputer, Earphone Amplifier, dry and wet sound switching switch are arranged in microphone.
After radio reception mouth collects former sound, former speech sound signal is sent to sound intensifier, and sound intensifier is by former speech sound
Signal sends voice signal to analog-digital converter after being amplified, while DSP judges the current state of dry and wet sound switching switch,
If the current state instruction storage primary sound of dry and wet sound switching switch, the audio effect processing chip in DSP is to the voice signal after conversion
Increase audio effect processing is carried out, and the voice signal after increase audio is sent to monitoring by single-chip microcomputer and Earphone Amplifier and set
It is standby.Meanwhile by former sound sound signal storage into storage device.
When DSP judges that the wet sound of current state instruction storage of dry and wet sound switching switch does not indicate to store primary sound, in DSP
Audio effect processing chip carry out increase audio effect processing to the voice signal after conversion, and pass through the voice signal after audio is increased
Single-chip microcomputer and Earphone Amplifier are sent to audiomonitor, meanwhile, by the sound signal storage after increase audio to storage device
In.
Sound switching method provided in an embodiment of the present invention, dry and wet sound switching circuit is set in microphone, when user needs
When being stored to original sound signal, dry and wet sound switch is opened to instruction storage primary sound state, if desired wet sound entered
During row storage, then dry and wet sound is opened into the wet sound-like state of storage.It can be seen that existing sound switching method, user can be controlled
Make the storage to the dry sound or wet sound of voice signal.In addition, after microphone gets original voice signal, dry and wet is judged
The state of sound switch, the state according to dry and wet sound switch are handled sound.It can be seen that the sound of the offer of the embodiment of the present invention
Switching method, microphone can carry out increase audio effect processing automatically to voice signal, and user need not pass through again to voice signal
Third party software carries out increase audio effect processing, simple operation, can lift the usage experience of user.
Embodiment three
Reference picture 4, show a kind of structured flowchart of microphone of the embodiment of the present invention three.
The microphone of the embodiment of the present invention includes：Digital processing unit 401, the digital processing unit 401 include：Receiving module
4011, for receiving the first voice signal；Judge module 4012, for judging whether the current state of dry and wet sound switching switch refers to
Show storage primary sound；Wherein, the dry and wet sound switching switch is arranged in microphone；First optimization processing module 4013, if for
The current state instruction storage primary sound of the dry and wet sound switching switch, optimizes processing to first voice signal, generates
Second sound signal, first sends monitoring module 4014, for the second sound signal to be sent to audiomonitor；First hair
Memory module 4015 is sent, is stored for first voice signal to be sent to storage device.
Microphone provided in an embodiment of the present invention, dry and wet sound switching circuit is set in microphone, when user is needed to original
When beginning voice signal is stored, dry and wet sound switch is opened to instruction storage primary sound state, if desired wet sound stored
When, then dry and wet sound is opened into the wet sound-like state of storage.It can be seen that existing microphone, user can be controlled to voice signal
Dry sound or wet sound storage.In addition, after microphone gets original voice signal, the shape of dry and wet sound switch is judged
State, the state according to dry and wet sound switch are handled sound.It can be seen that the microphone of the offer of the embodiment of the present invention, microphone
Increase audio effect processing can be carried out automatically to voice signal, user need not be increased by third party software again to voice signal
Add audio effect processing, simple operation, the usage experience of user can be lifted.
Example IV
The microphone of the embodiment of the present invention includes：Digital processing unit 501, the digital processing unit 501 include：Receiving module
5011, for receiving the first voice signal；Judge module 5012, for judging whether the current state of dry and wet sound switching switch refers to
Show storage primary sound；Wherein, the dry and wet sound switching switch is arranged in microphone；First optimization processing module 5013, if for
The current state instruction storage primary sound of the dry and wet sound switching switch, optimizes processing to first voice signal, generates
Second sound signal, first sends monitoring module 5014, for the second sound signal to be sent to audiomonitor；First hair
Memory module 5015 is sent, is stored for first voice signal to be sent to storage device.
Preferably, the digital processing unit 501 also includes：Second optimization processing module 5016, if the dry and wet sound switches
The current state of switch does not indicate to store primary sound, processing is optimized to first voice signal, generates second sound signal；
Second sends monitoring module 5017, for the second sound signal to be sent to audiomonitor；Second sends memory module
5018, stored for the second sound signal to be sent to storage device.
Preferably, the microphone also includes：Sound intensifier 502, the sound intensifier are used for the microphone
The voice signal that receives of radio reception mouth be amplified processing, generate the first voice signal.
Preferably, the microphone also includes, analog-digital converter 503；The analog-digital converter is used to pass through analog-to-digital conversion
Device carries out analog-to-digital conversion to first voice signal, and the first voice signal is converted into data signal by analog signal；It is described
First optimization processing module 5013 and the second optimization processing module 5016 are audio effect processing chip；Audio effect processing core is used for will
First voice signal is handled to obtain second sound signal.
Microphone provided in an embodiment of the present invention, dry and wet sound switching circuit is set in microphone, when user is needed to original
When beginning voice signal is stored, dry and wet sound switch is opened to instruction storage primary sound state, if desired wet sound stored
When, then dry and wet sound is opened into the wet sound-like state of storage.It can be seen that existing microphone, user can be controlled to voice signal
Dry sound or wet sound storage.In addition, after microphone gets original voice signal, the shape of dry and wet sound switch is judged
State, the state according to dry and wet sound switch are handled sound.It can be seen that the microphone of the offer of the embodiment of the present invention, microphone
Increase audio effect processing can be carried out automatically to voice signal, user need not be increased by third party software again to voice signal
Add audio effect processing, simple operation, the usage experience of user can be lifted.
Each embodiment in this specification is described by the way of progressive, what each embodiment stressed be with
The difference of other embodiment, between each embodiment identical similar part mutually referring to.For system embodiment
For, because it is substantially similar to embodiment of the method, so description is fairly simple, referring to the portion of embodiment of the method in place of correlation
Defend oneself bright.
A kind of sound switching method provided by the present invention and microphone are described in detail above, it is used herein
Specific case is set forth to the principle and embodiment of the present invention, and the explanation of above example is only intended to help and understands
The method and its core concept of the present invention；Meanwhile for those of ordinary skill in the art, according to the thought of the present invention, having
There will be changes in body embodiment and application, in summary, this specification content should not be construed as to the present invention
Limitation.
Claims (10)
1. a kind of sound switching method, it is characterised in that methods described includes：
Receive the first voice signal；
Judge whether the current state of dry and wet sound switching switch indicates to store primary sound；Wherein, the dry and wet sound switching switch is set
In microphone；
If the current state instruction storage primary sound of the dry and wet sound switching switch, is believed first sound by digital processing unit
Processing number is optimized, generates second sound signal；
The second sound signal is sent to audiomonitor；
First voice signal is sent to storage device and stored.
2. according to the method for claim 1, it is characterised in that methods described also includes：
If the current state of the dry and wet sound switching switch does not indicate to store primary sound, by the digital processing unit to described first
Voice signal optimizes processing, generates second sound signal；
The second sound signal is sent to audiomonitor；
The second sound signal is sent to storage device and stored.
3. according to the method for claim 1, it is characterised in that before the step of the first voice signal of the reception, institute
Stating method also includes：
The voice signal received by radio reception mouth of the sound intensifier to the microphone is amplified processing, generates the first sound
Sound signal.
4. according to the method for claim 3, it is characterised in that first sound is believed by digital processing unit described
Before the step of number optimizing processing, methods described also includes：
Analog-to-digital conversion is carried out to first voice signal by analog-digital converter, the first voice signal is changed by analog signal
Into data signal.
5. according to the method for claim 1, it is characterised in that first voice signal is carried out by digital processing unit
The step of optimization processing, includes：
First voice signal is obtained into second sound signal by audio effect processing chip, wherein, the audio effect processing chip
It is arranged in the digital processing unit.
6. a kind of microphone, it is characterised in that the microphone includes, digital processing unit, and the digital processing unit includes：
Receiving module, for receiving the first voice signal；
Judge module, for judging whether the current state of dry and wet sound switching switch indicates to store primary sound；Wherein, the dry and wet sound
Switching switch is arranged in microphone；
First optimization processing module, if the current state instruction storage primary sound for dry and wet sound switching switch, to described the
One voice signal optimizes processing, generates second sound signal；
First sends monitoring module, for the second sound signal to be sent to audiomonitor；
First sends memory module, is stored for first voice signal to be sent to storage device.
7. microphone according to claim 6, it is characterised in that the digital processing unit also includes：
Second optimization processing module, if the current state of dry and wet sound switching switch does not indicate to store primary sound, to described first
Voice signal optimizes processing, generates second sound signal；
Second sends monitoring module, for the second sound signal to be sent to audiomonitor；
Second sends memory module, is stored for the second sound signal to be sent to storage device.
8. microphone according to claim 6, it is characterised in that the microphone also includes：Sound intensifier；
The sound intensifier is used for the voice signal that radio reception mouth to the microphone receives and is amplified processing, generates the
One voice signal.
9. microphone according to claim 8, it is characterised in that the microphone also includes, analog-digital converter；
The analog-digital converter is used to carry out analog-to-digital conversion to first voice signal by analog-digital converter, by the first sound
Signal is converted into data signal by analog signal；
The first optimization processing module and the second optimization processing module are audio effect processing chip；
Audio effect processing chip is used to be handled to obtain second sound signal by first voice signal.
10. microphone according to claim 6, it is characterised in that the microphone includes：It is sequentially connected in series sound amplification
Device, analog-digital converter, digital processing unit, single-chip microcomputer, Earphone Amplifier and dry and wet switching switch；
Dry and wet switching switch be single-pole double-throw switch (SPDT), the dry and wet switching switch first not moved end be connected to the sound and put
Big device with analog-digital converter path, second not moved end be connected on the path of the digital processing unit and single-chip microcomputer, it is described dry
The moved end of wet switching switch is connected with peripheral storage device.
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| CN2016110142900 | 2016-11-15 | ||
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| US20140105411A1 (en) * | 2012-10-16 | 2014-04-17 | Peter Santos | Methods and systems for karaoke on a mobile device |
| JP2016038543A (en) * | 2014-08-11 | 2016-03-22 | カシオ計算機株式会社 | Effect addition device, method, and program, and electric musical instrument |
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| CN107493544B (en) | 2023-03-21 |
| CN207200909U (en) | 2018-04-06 |
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