CN109410903A - A kind of microphone and karaoke method - Google Patents
A kind of microphone and karaoke method Download PDFInfo
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- CN109410903A CN109410903A CN201811381789.4A CN201811381789A CN109410903A CN 109410903 A CN109410903 A CN 109410903A CN 201811381789 A CN201811381789 A CN 201811381789A CN 109410903 A CN109410903 A CN 109410903A
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000000694 effects Effects 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 60
- 230000008859 change Effects 0.000 claims description 10
- 230000001012 protector Effects 0.000 claims description 2
- 238000010304 firing Methods 0.000 abstract 3
- 238000004891 communication Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/36—Accompaniment arrangements
- G10H1/361—Recording/reproducing of accompaniment for use with an external source, e.g. karaoke systems
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
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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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Quality & Reliability (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Reverberation, Karaoke And Other Acoustics (AREA)
Abstract
The present embodiments relate to microphone techniques field, a kind of microphone and karaoke method are disclosed.Microphone in the present invention includes: power button, micro-control unit MCU and hyperfrequency UHF transmitting chip；MCU is used for, and sends firing order to UHF transmitting chip when determining that power button is turned on；UHF transmitting chip is used for, and is received firing order and is generated UHF signal according to firing order, and UHF signal is transferred to the Dongle connecting with terminal；Wherein, Dongle is in determining generation successful connection signal after receiving UHF signal, and so that terminal is shown that K sings interface by the way that successful connection signal is transferred to terminal.So that user carry out K song interface switching when operate it is simpler, to improve the experience effect of user.
Description
Technical field
The present embodiments relate to microphone techniques field, in particular to a kind of microphone and karaoke method.
Background technique
Now with the diversification of people's entertainment way, K song is gradually promoted in people's lives, is whether existed
The public places of entertainment such as KTV carry out K song or carry out K song in family place, are typically necessary a set of complete K song equipment.
At least there are the following problems in the prior art for inventor's discovery: when singer needs to realize the song to K song interface
And the search of singer, or need realize to K song interface carry out cutting the increase and decrease of song, pause and volume when, generally require to lead to
The combination of remote control equipment and microphone is crossed to realize search or control process jointly, operation is relatively cumbersome, therefore influences user's
Experience.
Summary of the invention
Embodiment of the present invention is designed to provide a kind of microphone and karaoke method, so that user is carrying out K song
Operated when the switching at interface it is simpler, to improve the experience effect of user.
In order to solve the above technical problems, embodiments of the present invention provide a kind of microphone, comprising the following steps: voice
Key is used for, and the voice messaging of user's input is received when being turned on, and by transmission of speech information to MCU；MCU is used for, true
The voice messaging of voice key transmission is received when attribute tone keys are turned on, and gives transmission of speech information to UHF transmitting chip；
UHF transmitting chip is used for, and transmission of speech information is given to the Dongle of terminal connection；Wherein, Dongle is used to incite somebody to action
Transmission of speech information makes terminal carry out the switching at K song interface according to voice messaging to terminal.
Embodiments of the present invention additionally provide a kind of karaoke method, comprising: it is defeated that voice key receives user when being turned on
The voice messaging entered, and by transmission of speech information to MCU；MCU receives the transmission of voice key when determining that voice key is turned on
Voice messaging, and give transmission of speech information to UHF transmitting chip；Transmission of speech information is given terminal and connected by UHF transmitting chip
The Dongle connect；Wherein, Dongle is used to make terminal be carried out according to voice messaging to terminal transmission of speech information
The switching at K song interface.
Embodiment of the present invention in terms of existing technologies, to K song interface switch over when, it is only necessary to pass through voice
Key receives the voice messaging of user, and voice messaging is transferred to terminal by MCU and UHF transmitting chip, to make terminal
It is switched to corresponding search interface or control interface according to voice messaging, keeps operating process simpler, to improve user
Experience effect.
In addition, MCU is specifically used for, determine that voice key is turned on according to the voltage change of the connected circuit of voice key.
In the realization, when voice key, which is artificially pressed, to be opened, the circuit voltage that voice key can be caused to be connected becomes
Change, therefore, the voltage change for the circuit that MCU is connected by voice key, can more direct convenience determine voice by
The open state of key.
In addition, MCU is also used to, voice messaging is subjected to denoising, and the transmission of speech information after denoising is given
UHF transmitting chip.In the realization, denoising is carried out to voice messaging by MCU, voice messaging acquired in terminal can be made
It is more accurate, to accurately be switched to K song interface.
In addition, UHF transmitting chip is specifically used for, by transmission of speech information to software protection by way of wireless transmission
Device, wherein UHF transmitting chip matches connection with Dongle.
In addition, Dongle includes that at least one UHF receives chip；UHF transmitting chip is specifically used for, by voice messaging
It is transferred to any one UHF and receives chip.
In addition, voice key is specifically used for, deformation occurs under the effect of external force, and realizes connection circuit by deformation
Voltage change.
In addition, MCU is also used to, the state of UHF transmitting chip is monitored, however, it is determined that UHF transmitting chip is when default
In not by transmission of speech information to Dongle, then give transmission of speech information to UHF transmitting chip again.In the realization,
MCU determines UHF transmitting chip within a preset time not by transmission of speech information to Dongle, by again by voice messaging
It is transferred to UHF transmitting chip, is reduced due to the case where communication failure causes UHF transmitting chip that can not receive voice messaging hair
It is raw.
In addition, voice messaging includes: phonetic search information or speech-controlled information.In the realization, because of voice messaging packet
Voice rustling sound information or speech-controlled information are included, consequently facilitating terminal carries out the switching at different K songs interface.
Detailed description of the invention
One or more embodiments are illustrated by the picture in corresponding attached drawing, these exemplary theorys
The bright restriction not constituted to embodiment, the element in attached drawing with same reference numbers label are expressed as similar element, remove
Non- to have special statement, composition does not limit the figure in attached drawing.
Fig. 1 is the structural schematic diagram of microphone in the application first embodiment；
Fig. 2 is the application scenarios schematic diagram of microphone in the application second embodiment；
Fig. 3 is the structural schematic diagram of microphone in the application 3rd embodiment；
Fig. 4 is the flow chart of karaoke method in the application fourth embodiment；
Fig. 5 is the flow chart of karaoke method in the 5th embodiment of the application.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Each embodiment be explained in detail.However, it will be understood by those skilled in the art that in each embodiment party of the present invention
In formula, in order to make the reader understand this application better, many technical details are proposed.But even if without these technical details
And various changes and modifications based on the following respective embodiments, the application technical solution claimed also may be implemented.
The first embodiment of the present invention is related to a kind of microphones.Specific structure is as shown in Figure 1, microphone 10 includes: language
Tone keys 11, micro-control unit ((Microcontroller Unit, MCU) 12 and hyperfrequency (Ultra High
Frequency, UHF) transmitting chip 13.
Wherein, the voice key 11 is used for, and the voice messaging of user's input is received when being turned on, and by voice messaging
It is transferred to MCU；MCU is used for, and the voice messaging that voice key 11 transmits is received when determining that voice key 11 is turned on, and by language
Message breath is transferred to UHF transmitting chip 13；UHF transmitting chip 13 is used for, and transmission of speech information is given to the software of terminal connection
Protector；Wherein, Dongle is used to make terminal carry out K song interface according to voice messaging to terminal transmission of speech information
Switching.And in the present embodiment, microphone application scenarios schematic diagram as shown in Fig. 2, present embodiment terminal 30
Be illustrated by taking television equipment as an example, be provided with USB interface in terminal 30, and Dongle 20 be by USB interface with
What terminal 30 was attached.
It should be noted that in the present embodiment, MCU is specifically used for the voltage according to the connected circuit of voice key 11
Change and determines that voice key 11 is turned on.It is generally additionally provided with circuit structure between voice key 11 and MCU in practical applications,
The circuit structure is not indicated in Fig. 1, and when voice key 11 is artificially pressed, deformation occurs under the effect of external force,
And the voltage change of connected circuit structure is realized by deformation, and MCU passes through the circuit structure that voice key 11 is connected
Voltage change, can more direct convenience the open state for determining voice key 11.And voice key 11 is when being turned on
User speaks in pre-determined distance against voice key 11, and voice key 11 can receive the voice messaging of user's input, should
Pre-determined distance can be 3 centimetres, and the pre-determined distance in present embodiment can carry out phase according to the function of radio receiver of voice key 11
The setting answered does not limit the range of pre-determined distance specifically in the embodiment of the present application, as long as the language in pre-determined distance
It is within the scope of protection of this application that tone keys 11, which are able to achieve radio reception all,.
Specifically, in the present embodiment, MCU is also used to, and voice messaging is carried out denoising, and by denoising
Transmission of speech information afterwards is to UHF transmitting chip 13.Denoising is carried out to voice messaging by MCU, terminal can be made to be obtained
The voice messaging taken is more accurate, to accurately be switched to K song interface.
It is noted that in the present embodiment, UHF transmitting chip 13 is to be believed voice by the way of wireless transmission
Breath is transferred to Dongle, and UHF transmitting chip 13 matches connection with Dongle, so emitting core in UHF
Piece 13 by transmission of speech information to Dongle before, UHF transmitting chip 13 has been set up the connection with Dongle
Relationship.
In addition, in the present embodiment, Dongle includes that at least one UHF receives chip；UHF transmitting chip 13 is logical
It crosses communication and transmission of speech information is received into chip to any one UHF.
Particularly, voice messaging includes phonetic search information or speech-controlled information, for example, phonetic search information is specific
" carrying out cutting song ", " volume can be specifically as follows for information, speech-controlled informations such as " search A song " or " search B singers "
The information such as increase " or " song pause ".Also, in the present embodiment, in terminal include a control unit and display interface,
Control unit in terminal can carry out speech recognition to voice messaging after receiving voice messaging, and according to the result of identification
Corresponding control instruction is generated, the switching at display device K song interface is controlled according to control instruction, the switching at K song interface includes cutting
Search interface or control interface are changed to, to realize the mesh for carrying out phonetic search and voice control according to the voice of user's input
's.Certainly, for the emphasis that the working principle of terminal is not in the application, thus in the application embodiment no longer to its into
Row repeats.
Compared with prior art, the microphone that present embodiment provides, when being switched over to K song interface, it is only necessary to logical
The voice messaging that voice key receives user is crossed, and voice messaging is transferred to terminal by MCU and UHF transmitting chip, thus
So that terminal is switched to corresponding search interface or control interface according to voice messaging, keep operating process simpler, to improve
The experience effect of user.
Second embodiment of the present invention is related to a kind of microphone, and present embodiment is roughly the same with first embodiment,
The specific structure is shown in FIG. 3.Wherein, it mainly thes improvement is that, increases meter on the basis of first embodiment microphone
When equipment 14, difference is mainly introduced below, not the technical detail of detailed description in the present embodiment, reference can be made to first is real
Microphone provided by mode is applied, details are not described herein again.
Specifically, the timing device 14 in present embodiment is connect with MCU12 and UHF transmitting chip 13, and timing is set
Standby 14 are used for, and in the case where it is internal structure normal communication that microphone, which works normally, determine that MCU12 sends the of voice messaging
One time and UHF transmitting chip 13 send the second time of voice messaging.And determine the interval with the second time at the first time,
And will interval time as preset time.
Wherein, MCU12 is also monitored with the state to UHF transmitting chip 13, however, it is determined that UHF transmitting chip 13 is default
It is then reappeared transmission of speech information to UHF transmitting chip 13 not by transmission of speech information to Dongle in time.For example,
MCU12 sends the time of voice messaging to UHF transmitting chip 13 as 7:10:10, it is assumed that preset time is 5 seconds, if MCU12 is determined
For UHF transmitting chip 13 in 7:10:15, the reason of voice messaging is not sent to Dongle, generates such case, may
It is that MCU12 and UHF transmitting chip 13 of short duration communication failure occur, then sends voice messaging to UHF transmitting chip 13 again.
By retransmitting voice messaging, to reduce since communication failure causes UHF transmitting chip 13 that can not receive voice messaging
The case where occur.If sending voice by being repeated several times, UHF transmitting chip 13 does not within a preset time all send voice messaging
When to Dongle, illustrate that the communication failure between MCU12 and UHF transmitting chip 13 cannot achieve automatic recovery, needs
It manually to repair.
Compared with prior art, the microphone that present embodiment provides, the microphone that present embodiment provides, sings to K
When interface switches over, it is only necessary to receive the voice messaging of user by voice key, and voice messaging is passed through MCU and UHF
Transmitting chip is transferred to terminal, so that terminal be made to be switched to corresponding search interface or control interface according to voice messaging, makes to grasp
Make that process is simpler, to improve the experience effect of user.And by increasing timing device, it can determine positive normal open
MCU sends the time of voice messaging and the time interval of UHF transmitting chip transmission voice messaging in the case of letter, and will be between the time
Every as the preset time under communication failure condition, determine UHF transmitting chip within a preset time not by voice messaging by MCU
Voice messaging is retransmitted when being transferred to Dongle, is reduced since communication failure causes MCU can not be by transmission of speech information
Occur to the case where UHF transmitting chip.
It is noted that each module involved in present embodiment is logic module, and in practical applications, one
A logic unit can be a physical unit, be also possible to a part of a physical unit, can also be with multiple physics lists
The combination of member is realized.In addition, in order to protrude innovative part of the invention, it will not be with solution institute of the present invention in present embodiment
The technical issues of proposition, the less close unit of relationship introduced, but this does not indicate that there is no other single in present embodiment
Member.
Third embodiment of the present invention is related to a kind of karaoke method, and this method is applied to first embodiment or second in fact
Apply microphone described in mode.Detailed process is as shown in Figure 4, comprising the following steps:
Step 301, voice key receives the voice messaging of user's input when being turned on, and transmission of speech information is given
MCU。
Specifically, in the present embodiment, when voice key 1 is artificially pressed, shape occurs under the effect of external force
Become, and realizes that the voltage of connected circuit structure changes by deformation, it is changed in the voltage of connection circuit structure
In the case of, user speaks in pre-determined distance against voice key 11, and voice key 11 can receive the voice of user's input
Information, for example, the pre-determined distance can be 3 centimetres, the pre-determined distance in present embodiment can be according to the receipts of voice key 11
Sound function is arranged accordingly, is not limited specifically the range of pre-determined distance in the embodiment of the present application, as long as
What voice key 11 was able to achieve radio reception in pre-determined distance is all within the scope of protection of this application.
Step 302, MCU receives the voice messaging of voice key transmission when determining that voice key is turned on, and by voice
Information is transferred to UHF transmitting chip.
Specifically, in the present embodiment, the voltage change for the circuit structure that MCU is connected by voice key 11,
It more direct convenience can determine the open state of voice key 11, and receive voice in the state that voice presses switch to open
The voice messaging of key transmission.
It should be noted that MCU specifically carries out voice messaging when by transmission of speech information to UHF transmitting chip
Denoising, and by the transmission of speech information after denoising to UHF transmitting chip 13.Voice messaging is gone by MCU
It makes an uproar processing, voice messaging acquired in terminal can be made more accurate, to accurately be switched to K song interface.
Step 303, transmission of speech information is given the Dongle of terminal connection by UHF transmitting chip.
Specifically, in the present embodiment, UHF transmitting chip 13 is to be passed voice messaging by the way of wireless transmission
It is defeated by Dongle, and UHF transmitting chip 13 matches connection with Dongle, so in UHF transmitting chip 13
By transmission of speech information to Dongle before, UHF transmitting chip 13 has been set up the connection relationship with Dongle.
And Dongle is used to make terminal carry out the switching at K song interface according to voice messaging to terminal transmission of speech information.
Wherein, voice messaging includes phonetic search information or speech-controlled information, for example, phonetic search information specifically can be with
For information such as " search A song " or " search B singers ", speech-controlled information is specifically as follows " carrying out cutting song ", " volume increasing
Add " or the information such as " song pause ".Also, in the present embodiment, including a control unit and display device in terminal, eventually
Control unit on end can carry out speech recognition after receiving voice messaging to voice messaging, and be produced according to the result of identification
Raw corresponding control instruction controls the switching at display device K song interface according to control instruction, and the switching that K sings interface includes switching
To search interface or control interface, to realize the mesh for carrying out phonetic search and voice control according to the voice of user's input
's.Certainly, for the emphasis that the working principle of terminal is not in the application, thus in the application embodiment no longer to its into
Row repeats.
Compared with prior art, the karaoke method that present embodiment provides, when being switched over to K song interface, it is only necessary to logical
The voice messaging that voice key receives user is crossed, and voice messaging is transferred to terminal by MCU and UHF transmitting chip, thus
So that terminal is switched to corresponding search interface or control interface according to voice messaging, keep operating process simpler, to improve
The experience effect of user.
4th embodiment of the invention is related to a kind of karaoke method.The present embodiment is done on the basis of 3rd embodiment
Be further improved, specific improvements are as follows: MCU by transmission of speech information to UHF transmitting chip after, increase MCU to UHF
The step of transmitting chip state is monitored.The process of karaoke method in the present embodiment is as shown in Figure 5.Specifically, in this reality
It applies in example, including step 401 is to step 404, wherein step 401 to step 402 and step 301 and step in first embodiment
Rapid 302 is roughly the same, and step 404 is roughly the same with the step 303 in first embodiment, and details are not described herein again, below it is main
Difference is introduced, not the technical detail of detailed description in the present embodiment, reference can be made to the song side K provided by first embodiment
Method, details are not described herein again.
After step 401 to step 402, step 403 is executed.
Step 403, MCU is monitored the state of UHF transmitting chip, however, it is determined that UHF transmitting chip is within a preset time
Not by transmission of speech information to Dongle, then transmission of speech information is given to UHF transmitting chip again.
Specifically, in the present embodiment, it is monitored, can be sent out in time by state of the MCU to UHF transmitting chip
There is the case where of short duration communication failure in existing MCU12 and UHF transmitting chip 13.
At one in the specific implementation, MCU12 sends the time of voice messaging to UHF transmitting chip 13 as 7:10:10, it is assumed that
Preset time is 5 seconds, if MCU12 determines that voice messaging in 7:10:15, is not sent to software protection by UHF transmitting chip 13
Device, the reason of generating such case, may be MCU12 and of short duration communication failure occurs in UHF transmitting chip 13, then again to
UHF transmitting chip 13 sends voice messaging.By retransmitting voice messaging, to reduce since communication failure causes UHF to send out
Core shooting piece 13 can not receive the generation of the case where voice messaging.If sending voice by being repeated several times, UHF transmitting chip 13 is pre-
If voice messaging is not all sent to Dongle in the time, illustrate the communication between MCU12 and UHF transmitting chip 13 therefore
Barrier cannot achieve automatic recovery, need manually to repair.
Step 404, transmission of speech information is given the Dongle of terminal connection by UHF transmitting chip.
Compared with prior art, the karaoke method that present embodiment provides, when being switched over to K song interface, it is only necessary to logical
The voice messaging that voice key receives user is crossed, and voice messaging is transferred to terminal by MCU and UHF transmitting chip, thus
So that terminal is switched to corresponding search interface or control interface according to voice messaging, keep operating process simpler, to improve
The experience effect of user.And by increasing timing device, MCU sends voice messaging in the case of can determining normal communication
Time and UHF transmitting chip send the time interval of voice messaging, and using the time interval as under communication failure condition
Preset time, when determining UHF transmitting chip within a preset time not by transmission of speech information to Dongle by MCU again
Send voice messaging, reduce due to communication failure cause MCU can not by transmission of speech information to UHF transmitting chip the case where hair
It is raw.
The step of various methods divide above, be intended merely to describe it is clear, when realization can be merged into a step or
Certain steps are split, multiple steps are decomposed into, as long as including identical logical relation, all in the protection scope of this patent
It is interior；To adding inessential modification in algorithm or in process or introducing inessential design, but its algorithm is not changed
Core design with process is all in the protection scope of the patent.
Stating each embodiment is to realize specific embodiments of the present invention, and in practical applications, can in form and carefully
To it, various changes can be made on section, without departing from the spirit and scope of the present invention.
Claims (10)
1. a kind of microphone, comprising: voice key, micro-control unit MCU and hyperfrequency UHF transmitting chip；
The voice key is used for, and the voice messaging of user's input is received when being turned on, and the transmission of speech information is given
The MCU；
The MCU is used for, and the voice messaging of the voice key transmission is received when determining that the voice key is turned on,
And give the transmission of speech information to the UHF transmitting chip；
The UHF transmitting chip is used for, and the transmission of speech information is given to the Dongle of terminal connection；
Wherein, the Dongle is used to make the terminal according to institute's predicate to the terminal transmission of speech information
Message breath carries out the switching at K song interface.
2. microphone according to claim 1, which is characterized in that the MCU is specifically used for, according to the voice key institute
The voltage change of connection circuit determines that the voice key is turned on.
3. microphone according to claim 1 or 2, which is characterized in that the MCU is also used to, by the voice messaging into
Row denoising, and give the transmission of speech information after denoising to the UHF transmitting chip.
4. microphone according to claim 2, which is characterized in that the UHF transmitting chip is specifically used for, by wirelessly passing
Defeated mode gives the transmission of speech information to the Dongle, wherein the UHF transmitting chip and the software protection
Device matching connection.
5. microphone according to claim 4, which is characterized in that the Dongle includes that at least one UHF is received
Chip；
The UHF transmitting chip is specifically used for, and the transmission of speech information is received chip to any one of UHF.
6. microphone according to claim 2, which is characterized in that the voice key is specifically used for, in the effect of external force
Lower deformation occurs, and the voltage change of the connection circuit is realized by deformation.
7. the microphone according to claim 6, which is characterized in that the MCU is also used to, to the UHF transmitting chip
State be monitored, however, it is determined that the UHF transmitting chip is within a preset time not by the transmission of speech information to described soft
Part protector then gives the transmission of speech information to the UHF transmitting chip again.
8. microphone according to any one of claim 1 to 7, which is characterized in that the voice messaging includes: that voice is searched
Rope information or speech-controlled information.
9. a kind of karaoke method, which is characterized in that be applied to the described in any item microphones of claim 1 to 8, comprising:
The voice key receives the voice messaging of user's input when being turned on, and by the transmission of speech information to described
MCU；
The MCU receives the voice messaging of the voice key transmission when determining that the voice key is turned on, and will
The transmission of speech information gives the UHF transmitting chip；
The transmission of speech information is given the Dongle of terminal connection by the UHF transmitting chip；
Wherein, the Dongle is used to make the terminal according to institute's predicate to the terminal transmission of speech information
Message breath carries out the switching at K song interface.
10. karaoke method according to claim 9, which is characterized in that the MCU is determining that the voice key is turned on
When receive the voice messaging of voice key transmission, and by the transmission of speech information give the UHF transmitting chip it
Afterwards, further includes:
The MCU is monitored the state of the UHF transmitting chip, however, it is determined that the UHF transmitting chip is within a preset time
It does not give the transmission of speech information to the Dongle, then the transmission of speech information is emitted into core to the UHF again
Piece.
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| CN201811381789.4A CN109410903A (en) | 2018-11-20 | 2018-11-20 | A kind of microphone and karaoke method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110430492A (en) * | 2019-08-07 | 2019-11-08 | 王家春 | A kind of wireless microphone system and its implementation of the control of intelligent sound interactive voice |
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