CN209657794U - A kind of Karaoke control circuit, Karaoke control device and mobile terminal - Google Patents
A kind of Karaoke control circuit, Karaoke control device and mobile terminal Download PDFInfo
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- CN209657794U CN209657794U CN201822149937.1U CN201822149937U CN209657794U CN 209657794 U CN209657794 U CN 209657794U CN 201822149937 U CN201822149937 U CN 201822149937U CN 209657794 U CN209657794 U CN 209657794U
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Abstract
The embodiment of the present application belongs to Karaoke technical field, provide a kind of Karaoke control circuit, Karaoke control device and mobile terminal, including sound acquisition module, accompaniment module, accompaniment control module, stereo process module and playing module, the control signal of user's input is received by accompaniment control module, and the output channel of the audio accompaniment signal is controlled according to the control signal, so that the audio signal and the audio accompaniment signal are carried out stereo process by stereo process module, to export corresponding audio superposed signal, and audio superposed signal or audio accompaniment signal are played by playing module, the purpose really played Karaoka can be realized using mobile terminal by realizing user, it solves in existing technology, user can not the terminal devices such as mobile phone or plate loudspeaker it is real-time when playing accompanying music The problem of playing out the voice signal of microphone typing.
Description
Technical field
The embodiment of the present application belongs to Karaoke technical field more particularly to a kind of Karaoke control circuit, Karaoke control
Device and mobile terminal.
Background technique
With the universal and development of mobile terminal, more and more amusement functions are also added on mobile terminals, in order to full
Sufficient user can carry out Karaoke amusement by mobile terminal, and existing method is by installing similar OK a karaoke club on mobile terminals
The software realization of OK song, which is played Karaoka, entertains, for example, playing the accompanying music of song, wheat of the user against mobile phone by the machine loudspeaker
One karaoke file of accompanying music and the sound rendering of typing is stored in memory by gram wind sounding, the software in mobile phone, then user
It calls this karaoke file to play, listens back to the Karaoke contents oneself sung.
However, user can not play out in real time in the loudspeaker of terminal device when playing accompanying music in existing technology
The voice signal of microphone typing.
Summary of the invention
The embodiment of the present application provides a kind of Karaoke control circuit, Karaoke control device and mobile terminal, it is intended to solve
In existing technology, user can not play out in real time the sound of microphone typing when playing accompanying music in the loudspeaker of terminal device
The problem of sound signal.
The embodiment of the present application provides a kind of Karaoke control circuit, comprising:
For collected sound signal, and convert the voice signal to the sound acquisition module of audio signal；
For exporting the accompaniment module of audio accompaniment signal；
It connect with the accompaniment module, is controlled for receiving the control signal of user's input, and according to the control signal
The accompaniment control module of the output channel of the audio accompaniment signal；
It is connect respectively with the sound acquisition module and the accompaniment control module, for receiving the audio signal and institute
Audio accompaniment signal is stated, and the audio signal and the audio accompaniment signal are subjected to stereo process, to export corresponding sound
The stereo process module of frequency superposed signal；And
It is connect respectively with the stereo process module and the accompaniment control module, for receiving the audio superposed signal
Or audio accompaniment signal, and broadcasting for corresponding sound play signal is exported according to the audio superposed signal or audio accompaniment signal
Amplification module.
Optionally, the Karaoke control circuit further include:
It is connect with the accompaniment module, for storing the memory module of audio accompaniment information.
Optionally, the playing module includes:
For carrying out the power amplification unit of power amplification to the audio superposed signal；And
It is connect with the power amplification unit, the audio superposed signal after power amplification is converted into corresponding sound
First loudspeaker unit of play signal.
Optionally, the playing module further include:
For receiving the control signal, and according to the control signal audio accompaniment signal is converted to corresponding
Second loudspeaker unit of sound play signal.
Optionally, sound acquisition module includes:
For acquiring the first voice signal, and export the first microphone unit of corresponding first electric signal；
It is connect with first microphone unit, for receiving first electric signal and the control signal, and according to
First electric signal is converted to the first voice-grade channel control unit of corresponding first audio signal by the control signal；With
And
It is connect with the first voice-grade channel control unit, for carrying out the of signal amplification to first audio signal
One operational amplifier unit.
Optionally, the sound acquisition module further include:
It is connect with the first voice-grade channel control unit, for acquiring second sound signal, and exports corresponding second
The second microphone unit of electric signal；
The first voice-grade channel control unit is also used to be converted to second electric signal according to the control signal
Corresponding second audio signal.
Optionally, the sound acquisition module further include:
For acquiring third voice signal, and convert the third voice signal to the indigo plant of corresponding third audio signal
Tooth unit；And
It is connect with the bluetooth unit, for carrying out the second operational amplifier of signal amplification to the third audio signal
Unit.
Optionally, the Karaoke control circuit further include:
It is connect with the accompaniment control module, shows institute for receiving the control signal, and according to the control signal
State the display module of the state of a control of Karaoke control circuit.
Another embodiment of the application also provides a kind of Karaoke control device, comprising:
Power module, and
Karaoke control circuit described in any of the above embodiments.
Another embodiment of the application also provides a kind of mobile terminal, comprising:
Power module and Karaoke control circuit described in any of the above embodiments.
The embodiment of the present application provides a kind of Karaoke control circuit, Karaoke control device and mobile terminal, including sound
Sound acquisition module, accompaniment module, accompaniment control module, stereo process module and playing module, by accompanying, control module is connect
The control signal of user's input is received, and controls the output channel of the audio accompaniment signal according to the control signal, so that mixed
The audio signal and the audio accompaniment signal are carried out stereo process by sound processing module, to export corresponding audio superposition letter
Number, and audio superposed signal or audio accompaniment signal are played by playing module, user is realized using mobile terminal
It realizes the purpose really played Karaoka, solves in existing technology, user can not play companion in the loudspeaker of terminal device
The problem of voice signal of microphone typing is played out when playing music in real time.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the present application, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the structural schematic diagram for the Karaoke control circuit that one embodiment of the application provides；
Fig. 2 is the structural schematic diagram for the Karaoke control circuit that another embodiment of the application provides；
Fig. 3 is the structural schematic diagram for the playing module that one embodiment of the application provides；
Fig. 4 is the structural schematic diagram for the sound acquisition module that one embodiment of the application provides；
Fig. 5 is the structural schematic diagram for the sound acquisition module that another embodiment of the application provides；
Fig. 6 is the structural schematic diagram for the sound acquisition module that another embodiment of the application provides；
Fig. 7 is the structural schematic diagram for the Karaoke control circuit that another embodiment of the application provides；
Fig. 8 is the structural schematic diagram for the Karaoke control circuit that another embodiment of the application provides.
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, technical solutions in the embodiments of the present application are explicitly described, it is clear that described embodiment is the application one
The embodiment divided, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present application.
The description and claims of this application and term " includes " and their any deformations in above-mentioned attached drawing, meaning
Figure, which is to cover, non-exclusive includes.Such as process, method or system comprising a series of steps or units, product or equipment do not have
It is defined in listed step or unit, but optionally further comprising the step of not listing or unit, or optionally also wrap
Include the other step or units intrinsic for these process, methods, product or equipment.In addition, term " first ", " second " and
" third " etc. is for distinguishing different objects, not for description particular order.
Fig. 1 is the structural schematic diagram for the Karaoke control circuit that one embodiment of the application provides.As shown in Figure 1, this
Karaoke control circuit in embodiment, comprising:
For collected sound signal, and convert the voice signal to the sound acquisition module 10 of audio signal；
For exporting the accompaniment module 20 of audio accompaniment signal；
It is connect with the accompaniment module 20, for receiving the control signal of user's input, and according to the control signal control
Make the accompaniment control module 30 of the output channel of the audio accompaniment signal；
It is connect respectively with the sound acquisition module 10 and the accompaniment control module 30, for receiving the audio signal
With the audio accompaniment signal, and the audio signal and the audio accompaniment signal are subjected to stereo process, to export correspondence
Audio superposed signal stereo process module 40；And
It is connect respectively with the stereo process module 40 and the accompaniment control module 30, for receiving the audio superposition
Signal or audio accompaniment signal, and corresponding sound play signal is exported according to the audio superposed signal or audio accompaniment signal
Playing module 50.
In the present embodiment, accompaniment module 20 exports audio accompaniment signal, and carries out channel by accompaniment control module 30
Selection, when the control signal of user's input is high level signal, the Karaoke control circuit in the present embodiment enters Karaoke
When operating mode, accompaniment control module 30 receives the control signal, and audio accompaniment signal is exported by the first voice-grade channel
Into stereo process module 40, received audio signal and audio accompaniment signal are carried out stereo process by stereo process module 40,
And corresponding audio superposed signal is exported, which is played out by playing module, to reach accompaniment music
The purpose that the sound acquired with sound acquisition module 10 plays simultaneously realizes really Karaoke.
When the control signal of user's input is low level signal, Karaoke control circuit is in Karaoke close pattern,
Accompaniment control module 30 exports the audio accompaniment signal for module output of accompanying into playing module 50 by the second voice-grade channel,
It is played out at this point, the audio accompaniment signal is converted directly into corresponding accompaniment music by playing module 50.
In one embodiment, accompaniment module 20 can access network to obtain online accompaniment music, to export accompaniment
Audio signal.
In one embodiment, the voice signal that sound acquisition module 10 acquires includes the first voice signal, second sound
At least one of in signal and third voice signal.
In one embodiment, as shown in Fig. 2, Karaoke control circuit in the present embodiment further include:
It is connect with the accompaniment module 20, for storing the memory module 60 of audio accompaniment information.
In the present embodiment, memory module 60 is used to be stored in advance the audio accompaniment information of user's needs, the audio accompaniment
Information includes accompanying music song and singer informations relevant to accompaniment melody and lyrics information.
In one embodiment, memory module 60 can be the internal storage unit of mobile terminal, such as mobile terminal
Hard disk or memory.Memory module 60 is also possible on the External memory equipment connecting with mobile terminal, such as the mobile terminal
The plug-in type hard disk of outfit, intelligent memory card (Smart Media Card, SMC), secure digital (Secure Digital, SD)
Card, flash card (Flash Card) etc..
In one embodiment, memory module 60 can also both including mobile terminal internal storage unit and also including outside
Store equipment.Memory module 60 is for storing other program sum numbers needed for the computer program and the display device
According to.Memory module 60 can be also used for temporarily storing the data that has exported or will export.
In one embodiment, accompaniment module 20 can also be central processing unit (Central Processing
Unit, CPU), can also be other general processors, digital signal processor (Digital Signal Processor,
DSP), specific integrated circuit (Application Specific Integrated Circuit, ASIC), ready-made programmable gate
Array (Field-Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or crystal
Pipe logical device, discrete hardware components etc..General processor can be microprocessor or the processor be also possible to it is any often
The processor etc. of rule.
In one embodiment, as shown in figure 3, the playing module 50 in the present embodiment includes:
For carrying out the power amplification unit 51 of power amplification to the audio superposed signal；And
It is connect with the power amplification unit, the audio superposed signal after power amplification is converted into corresponding sound
First loudspeaker unit 52 of play signal.
In the present embodiment, power amplification unit 51 receives the audio superposed signal that stereo process module 40 exports, and right
The audio superposed signal carries out power amplification, and is carried out by audio superposed signal of first loudspeaker unit 52 to power amplification
It plays, so that realizing the amplification of the sound of song in the state of audio external play.
In one embodiment, when the Karaoke control circuit in the present embodiment is set in mobile terminal device, first is raised
The loudspeaker that sound device unit 52 can carry for mobile terminal device.
In one embodiment, which can be any one in mobile phone, tablet computer or sound pick-up outfit.
Referring to Fig. 8, in one embodiment, the playing module 50 further include:
For receiving the control signal, and according to the control signal audio accompaniment signal is converted to corresponding
Second loudspeaker unit 53 of sound play signal.
In the present embodiment, when controlling signal is normal play mode, accompaniment control module 30 receives control signal, and
The output channel for control module 30 of accompanying is switched into playing module 50, the second loudspeaker unit 53 in playing module 50 is used for
Audio accompaniment signal is received, and plays accompaniment melody corresponding with the audio accompaniment signal.
In one embodiment, the second loudspeaker unit 53 can be the earphone speaker in wired earphone.
In one embodiment, the second loudspeaker unit 53 can also be to be connect by bluetooth with Karaoke control circuit
Baffle Box of Bluetooth.
Referring to Fig. 8, in one embodiment, the second loudspeaker unit 53 further includes voice-grade channel switching chip IC 5, earphone
Loudspeaker switches chip IC 5 by voice-grade channel and connect with accompaniment control module 30.
In one embodiment, as shown in figure 4, sound acquisition module 10 includes:
For acquiring the first voice signal, and export the first microphone unit 11 of corresponding first electric signal；
It is connect with first microphone unit 11, for receiving first electric signal and the control signal, and root
First electric signal is converted to the first voice-grade channel control unit of corresponding first audio signal according to the control signal
12；And
It is connect with the first voice-grade channel control unit 12, for carrying out signal amplification to first audio signal
First operational amplifier unit 13.
In the present embodiment, when the control signal of user's input is high level signal, the first voice-grade channel control unit 12
When receiving control signal, the first electric signal that the first voice signal that the first microphone unit 11 acquires is converted is converted
For the first audio signal, and first audio signal is exported to the first operational amplifier unit 13, passes through the first operation amplifier
Output is into stereo process module 40 after device unit 13 amplifies.
In one embodiment, if the Karaoke control circuit in the present embodiment is applied to mobile terminal, the first Mike
Wind unit 11 can be the microphone of institute's device in mobile terminal.
In one embodiment, as shown in figure 5, the sound acquisition module 10 further include:
It is connect with the first voice-grade channel control unit, for acquiring second sound signal, and exports corresponding second
The second microphone unit 14 of electric signal；
The first voice-grade channel control unit 12 is also used to be converted second electric signal according to the control signal
For corresponding second audio signal.
In one embodiment, second microphone unit 14 can be the microphone in wired earphone.At this point, user can be with
Second sound signal is acquired by wired earphone to export corresponding second electric signal, which is in wired earphone
Microphone near sound.Second electric signal is converted to corresponding second audio and believed by the first voice-grade channel control unit 12
Number, and second audio signal is subjected to signal amplification by the first operational amplifier unit 13 in sound acquisition module 10.
In one embodiment, shown in Figure 8, the first voice-grade channel control unit 12 includes: first capacitor C1 and
One voice-grade channel switches chip IC 1；Wherein, the first voice-grade channel switching chip IC 1 the first microphone electrode input end S1+ and
First microphone negative input S1- respectively with the first output end EARPHONE_MIC- of first microphone unit 11 and
Second output terminal EARPHONE_MIC+ connection, the first voice-grade channel switch the second microphone electrode input end S2+ of chip IC 1
It is exported respectively with the first output end MIC+ of the second microphone unit 14 and second with second microphone negative input S1-
MIC- connection is held, the first voice-grade channel switches the ground terminal ground connection of chip IC 1, and the first voice-grade channel switches the enabled of chip IC 1
Control terminal EN is used to receive the control signal CPU_KOK_EN of user's input, and the first voice-grade channel switches the power end of chip IC 1
VCC, the first end of first capacitor C1 and power supply VCC connect altogether, the second end ground connection of the first capacitor C1, the first audio
The signal switch terminal S of channel switching chip IC 1 is used to receive the Audio conversion signal EP_SWITCH that accompaniment module 20 exports.
In one embodiment, the first voice-grade channel control unit 12 includes defeated for exporting the first of the first audio signal
Outlet and second output terminal, the first output end C+ of the first voice-grade channel switching chip IC 1 is as the first voice-grade channel control
First output end of unit 12 processed, the first voice-grade channel switch the second output terminal C- of chip IC 1 as the first voice-grade channel control
The second output terminal of unit 12 processed.
In one embodiment, the first output end EARPHONE_MIC- and second of first microphone unit 11 is defeated
Outlet EARPHONE_MIC+ connects with the first audio signal input end of accompaniment module 20 and the second audio signal input end respectively
It connects, for storing the audio-frequency information of the first microphone unit 11 acquisition.
In one embodiment, the first output end MIC+ and second output terminal MIC- of second microphone unit 14 and accompaniment
Module 20 is connect with the third audio signal input end of accompaniment module 20 and the 4th audio signal input end respectively, for storing
The audio-frequency information that second microphone unit 14 acquires.
In one embodiment, the model of the first voice-grade channel switching chip IC 1 can be SGM7227.
In one embodiment, first arithmetic device amplifier unit 13 includes: the second capacitor C2, third capacitor C3, first
Resistance R1, second resistance R2,3rd resistor R3, the 4th capacitor C4, the 4th resistance R4, the 11st capacitor C11 and the first operation
Amplifier chip IC3A.
Specifically, first input end and first sound of the first end of the second capacitor C2 as the first operational amplifier unit 13
First output end of frequency channel control unit 12 connects, the first end of third capacitor C3 as the first operational amplifier unit the
Two input terminals are connect with the second output terminal of the first voice-grade channel control unit 12, the second end and first resistor of the second capacitor C2
The first end of R1 connects, and the second end of third capacitor C3 is connect with the first end of second resistance R2, the second end of second resistance R2
It is connect with the electrode input end of the first operational amplifier chip IC3A, the of the second end of first resistor R1, the 11st capacitor C11
The first end of one end and 3rd resistor R3 connect altogether, and the power end and power supply VCC of the first operational amplifier chip IC3A connects
It connects, the ground terminal ground connection of the first operational amplifier chip IC3A, the output end of the first operational amplifier chip IC3A, 3rd resistor
The first end of the second end of R3, the second end of the 11st capacitor C11 and the 4th capacitor C4 connects altogether, the second end of the 4th capacitor C4
It is connect with the first end of the 4th resistance R4, output end of the second end of the 4th resistance R4 as the first operational amplifier unit 13.
In one embodiment, the model of the first operational amplifier chip IC3A can be TL072.
In one embodiment, as shown in fig. 6, the sound acquisition module 10 further include:
For acquiring third voice signal, and convert the third voice signal to the indigo plant of corresponding third audio signal
Tooth unit 15；And
It is connect with the bluetooth unit 15, for carrying out the second operation amplifier of signal amplification to the third audio signal
Device unit 16.
In one embodiment, bluetooth unit 15 can be the bluetooth equipment of acquisition third voice signal, the third sound
Signal is the voice signal near bluetooth equipment, and the third voice signal acquired by bluetooth unit 15 is converted to third audio letter
Signal amplification is carried out by second operational amplifier unit 16 after number, and exports the stereo process mould into stereo process module 40
Output to playing module 50 plays out after the third audio signal is carried out stereo process with audio accompaniment signal by block 40, with reality
Current family passes through bluetooth equipment typing real-time audio signal and carries out real karaoke operation.
In one embodiment, bluetooth unit 15 can also be to be superimposed letter for receiving audio superposed signal, and by audio
Number Baffle Box of Bluetooth played out, wherein bluetooth unit 15 can also connect with accompaniment module 20, at control circuit of playing Karaoka
In play Karaoka close pattern when, bluetooth unit can be also used for play accompaniment module 20 export audio accompaniment signal, specifically,
First signal end BT_TX of the bluetooth in bluetooth unit 15 is connect with the first Bluetooth signal end of accompaniment module 20, and the of bluetooth
Binary signal end BT_RX is connect with the second Bluetooth signal end of accompaniment module 20.
In one embodiment, shown in Figure 8, second operational amplifier unit 16 includes: the 14th resistance R14,
24 resistance R24, the 16th resistance R16, thirteenth resistor R13, the 15th resistance R15, the 16th resistance R16, the 20th
Two capacitor C22, the 23rd capacitor C23, the 25th capacitor C25 and second operational amplifier chip IC 3B.
Specifically, output end of the first end of the 14th resistance R14 as second operational amplifier unit 16, the 14th electricity
The second end of resistance R14 is connect with the first end of the 24th capacitor C24, the second end of the 24th capacitor C24, the 15th resistance
The output end of the first end of R15, the first end of the 25th capacitor C25 and second operational amplifier chip IC 3B connects altogether, the
The ground terminal of two operational amplifier chip IC3B is grounded, the power end and power supply VCC of second operational amplifier chip IC 3B
Connection, the electrode input end of second operational amplifier chip IC 3B are connect with the first end of the 16th resistance R16, the 16th resistance
The second end of R16 is connect with the first end of the 23rd capacitor C23, the second end ground connection of the 23rd capacitor C23, the second operation
The negative input of amplifier chip IC3B, the second end of the 15th resistance R15, the second end of the 25th capacitor C25 and
The first end of thirteenth resistor R13 connects altogether, and the second end of thirteenth resistor R13 is connect with the first end of the 22nd capacitor C22,
The second end of 22nd capacitor C22 is exported as the input terminal of second operational amplifier unit 16 and the signal of bluetooth unit 15
End connection.
In one embodiment, the model of second operational amplifier chip IC 3B can be TL072.
In one embodiment, bluetooth unit 15 can also be connect with Baffle Box of Bluetooth, for the audio received to be superimposed
Signal is sent in Baffle Box of Bluetooth and plays out.
In one embodiment, shown in Figure 8, accompaniment control module 30 includes the 12nd capacitor C12 and the second audio
Channel switches chip IC 2, specifically, the first microphone electrode input end S1+ and first of the second voice-grade channel switching chip IC 1
Microphone negative input S1- is connect with the second loudspeaker unit respectively, and the second voice-grade channel switches the second anode of chip IC 2
Signal output end S2+ and the second negative signal output end S2- are connect with the accompaniment signal output end of stereo process module 40, and second
Voice-grade channel switches the ground terminal GND ground connection of chip IC 2, and the second voice-grade channel switches the enabled control terminal EN of chip IC 2, second
The power supply VCC of voice-grade channel switching chip IC 2, the first end of the 12nd capacitor C12 and power supply VCC connect altogether, and the 12nd
The second end of capacitor C12 is grounded, and the second voice-grade channel switches the control signal input S of chip IC 2 for receiving control signal
CPU_KOK_EN, the second voice-grade channel switch the first audio accompaniment signal input part C+ and the second audio accompaniment letter of chip IC 2
Number input terminal C- is connect with accompaniment module 20.
Referring to Fig. 8, in one embodiment, the second voice-grade channel switches the first audio accompaniment signal input of chip IC 2
End C+ is connect with the first end of the 6th resistance R6, and the second end of the 6th resistance R6 is connect with the first end of the 9th capacitor C9, and the 9th
The second end of capacitor C9 is connect with the first audio accompaniment signal output end AUDIO_OUT_L of accompaniment module 20, and the second audio is logical
Second audio accompaniment signal input part C- of road switching chip IC 2 is connect with the first end of the 7th resistance R7, the 7th resistance R7's
Second end is connect with the first end of the tenth capacitor C10, the second end of the tenth capacitor C10 and the second audio accompaniment of accompaniment module 20
Signal output end AUDIO_OUT_R connection.
In one embodiment, shown in Figure 8, stereo process module 40 include: the 5th capacitor C5, the 6th capacitor C6,
7th capacitor C7, the 8th capacitor C8, the 5th resistance R5 and stereo process chip IC 4；Specifically, stereo process chip IC 4
Audio signal input end MIC is connect with the output end of sound acquisition module 10, the L channel input terminal of stereo process chip IC 4
LIN and right channel input terminal RIN is connect with the second voice-grade channel output end of accompaniment control module 30 respectively, stereo process chip
The power end VCC of IC4, the first end of the 5th capacitor C5 and power supply VCC connect altogether, the second end ground connection of the 5th capacitor C5,
First inner couplings capacitance terminal REF of stereo process chip IC 4 is connect with the first end of the 6th capacitor C6, and the of the 6th capacitor C6
Two ends ground connection, the second inner couplings capacitance terminal C of stereo process chip IC 4 are connect with the first end of the 7th capacitor C7, the 7th electricity
Hold C7 second end ground connection, stereo process chip IC 4 ground terminal GND ground connection, the signal output end of stereo process chip IC 4 with
The first end of 8th capacitor C8 connects, and the second end of the 8th capacitor C8 is connect with the first end of the 5th resistance R5, the 5th resistance R5
Second end audio superposed signal is exported as the output end of stereo process module 40.
In one embodiment, the model of stereo process chip IC 4 can be CXA1642.
In one embodiment, as shown in fig. 7, the Karaoke control circuit further include:
It connect with the accompaniment control module 30, is shown for receiving the control signal, and according to the control signal
The display module 70 of the state of a control of the Karaoke control circuit.
In the present embodiment, the state of a control for control circuit of playing Karaoka includes: that Karaoke operating mode and Karaoke are closed
Mode after display module 70 receives control signal, detects control signal, if control signal is high level signal,
Display Karaoke operating mode shows Karaoke close pattern if control signal is low level signal.User can be by aobvious
Show the state of 70 real time inspection of module Karaoke control circuit.
Another embodiment of the application also provides a kind of Karaoke control device, and the Karaoke control device includes: electricity
Source module and Karaoke control circuit as described in any one of the above embodiments.
In one embodiment, power module can be the rechargeable battery being set in Karaoke control device, this can
Rechargeable battery can be connect with the Karaoke control circuit in any of the above-described embodiment, for carrying out for Karaoke control circuit
Power supply.
In one embodiment, rechargeable battery can be lithium ion polymerization cell.
Another embodiment of the application also provides a kind of mobile terminal, the mobile terminal include: power module and on
State described in any item Karaoke control circuits.
In one embodiment, power module can be the rechargeable battery being set in Karaoke control device, this can
Rechargeable battery can be connect with the Karaoke control circuit in any of the above-described embodiment, for carrying out for Karaoke control circuit
Power supply.
In one embodiment, rechargeable battery can be lithium ion polymerization cell.
In this example it is shown that module 70 can be the display screen of mobile terminal.
In one embodiment, can be arranged on mobile terminals an electronic switch with to control signal control, when
The electronic switch is in the conductive state, and when Karaoke control circuit is powered on, Karaoke control circuit is in Karaoke Working mould
Formula, when the electronic switch is in an off state, Karaoke control circuit is in Karaoke close pattern, then the sound of mobile terminal
Frequency is in normal channels operation mode.
In one embodiment, a mechanical switch can also be arranged on mobile terminals to control control signal, when
The mechanical switch is in the conductive state, and Karaoke control circuit is powered on, and Karaoke control circuit is in Karaoke operating mode,
When the mechanical switch is in an off state, Karaoke control circuit is in Karaoke close pattern, then the audio of mobile terminal
In normal channels operation mode.
The embodiment of the present application provides a kind of Karaoke control circuit, Karaoke control device and mobile terminal, including sound
Sound acquisition module, accompaniment module, accompaniment control module, stereo process module and playing module, by accompanying, control module is connect
The control signal of user's input is received, and controls the output channel of the audio accompaniment signal according to the control signal, so that mixed
The audio signal and the audio accompaniment signal are carried out stereo process by sound processing module, to export corresponding audio superposition letter
Number, and audio superposed signal or audio accompaniment signal are played by playing module, user is realized using mobile terminal
It realizes the purpose really played Karaoka, solves in existing technology, user can not play companion in the loudspeaker of terminal device
The problem of voice signal of microphone typing is played out when playing music in real time.
It is apparent to those skilled in the art that for convenience of description and succinctly, only with above-mentioned each function
Can unit, module division progress for example, in practical application, can according to need and by above-mentioned function distribution by different
Functional unit, module are completed, i.e., the internal structure of described device is divided into different functional unit or module, more than completing
The all or part of function of description.Each functional unit in embodiment, module can integrate in one processing unit, can also
To be that each unit physically exists alone, can also be integrated in one unit with two or more units, it is above-mentioned integrated
Unit both can take the form of hardware realization, can also realize in the form of software functional units.In addition, each function list
Member, the specific name of module are also only for convenience of distinguishing each other, the protection scope being not intended to limit this application.Above system
The specific work process of middle unit, module, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in detail or remembers in some embodiment
The part of load may refer to the associated description of other embodiments.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
Scope of the present application.
The foregoing is merely the alternative embodiments of the application, not to limit the application, all essences in the application
Made any modifications, equivalent replacements, and improvements etc., should be included within the scope of protection of this application within mind and principle.
Claims (10)
1. a kind of Karaoke control circuit characterized by comprising
For collected sound signal, and convert the voice signal to the sound acquisition module of audio signal；
For exporting the accompaniment module of audio accompaniment signal；
It is connect with the accompaniment module, for receiving the control signal of user's input, and according to control signal control
The accompaniment control module of the output channel of audio accompaniment signal；
It is connect respectively with the sound acquisition module and the accompaniment control module, for receiving the audio signal and the companion
Audio signal is played, and the audio signal and the audio accompaniment signal are subjected to stereo process, it is folded to export corresponding audio
The stereo process module of plus signal；And
It is connect respectively with the stereo process module and the accompaniment control module, for receiving the audio superposed signal or companion
Audio signal is played, and broadcasting for corresponding sound play signal is exported according to the audio superposed signal or the audio accompaniment signal
Amplification module.
2. Karaoke control circuit as described in claim 1, which is characterized in that the Karaoke control circuit further include:
It is connect with the accompaniment module, for storing the memory module of audio accompaniment information.
3. Karaoke control circuit as described in claim 1, which is characterized in that the playing module includes:
For carrying out the power amplification unit of power amplification to the audio superposed signal；And
It is connect with the power amplification unit, the audio superposed signal after power amplification is converted into corresponding sound and is played
First loudspeaker unit of signal.
4. Karaoke control circuit as described in claim 1, which is characterized in that the playing module further include:
The audio accompaniment signal is converted into corresponding sound for receiving the control signal, and according to the control signal
Second loudspeaker unit of play signal.
5. Karaoke control circuit as described in claim 1, which is characterized in that sound acquisition module includes:
For acquiring the first voice signal, and export the first microphone unit of corresponding first electric signal；
It is connect with first microphone unit, for receiving first electric signal and the control signal, and according to described
First electric signal is converted to the first voice-grade channel control unit of corresponding first audio signal by control signal；And
It is connect with the first voice-grade channel control unit, for carrying out the first fortune of signal amplification to first audio signal
Calculate amplifier unit.
6. Karaoke control circuit as claimed in claim 5, which is characterized in that the sound acquisition module further include:
It is connect with the first voice-grade channel control unit, for acquiring second sound signal, and exports corresponding second telecommunications
Number second microphone unit；
The first voice-grade channel control unit is also used to that second electric signal is converted to correspondence according to the control signal
The second audio signal.
7. Karaoke control circuit as described in claim 1, which is characterized in that the sound acquisition module further include:
For acquiring third voice signal, and convert the third voice signal to the bluetooth list of corresponding third audio signal
Member；And
It is connect with the bluetooth unit, for carrying out the second operational amplifier list of signal amplification to the third audio signal
Member.
8. Karaoke control circuit as described in claim 1, which is characterized in that the Karaoke control circuit further include:
It is connect with the accompaniment control module, shows the card for receiving the control signal, and according to the control signal
Draw the display module of the state of a control of OK control circuit.
9. a kind of Karaoke control device characterized by comprising
Power module, and
Such as the described in any item Karaoke control circuits of claim 1-8.
10. a kind of mobile terminal characterized by comprising
Power module, and
Such as the described in any item Karaoke control circuits of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822149937.1U CN209657794U (en) | 2018-12-20 | 2018-12-20 | A kind of Karaoke control circuit, Karaoke control device and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822149937.1U CN209657794U (en) | 2018-12-20 | 2018-12-20 | A kind of Karaoke control circuit, Karaoke control device and mobile terminal |
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| Publication Number | Publication Date |
|---|---|
| CN209657794U true CN209657794U (en) | 2019-11-19 |
Family
ID=68518263
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822149937.1U Expired - Fee Related CN209657794U (en) | 2018-12-20 | 2018-12-20 | A kind of Karaoke control circuit, Karaoke control device and mobile terminal |
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| Country | Link |
|---|---|
| CN (1) | CN209657794U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113613143A (en) * | 2021-07-08 | 2021-11-05 | 北京小唱科技有限公司 | Audio processing method and device suitable for mobile terminal and storage medium |
| CN113612881A (en) * | 2021-07-08 | 2021-11-05 | 北京小唱科技有限公司 | Loudspeaking method and device based on single mobile terminal and storage medium |
| CN113611272A (en) * | 2021-07-08 | 2021-11-05 | 北京小唱科技有限公司 | Multi-mobile-terminal-based loudspeaking method, device and storage medium |
-
2018
- 2018-12-20 CN CN201822149937.1U patent/CN209657794U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113613143A (en) * | 2021-07-08 | 2021-11-05 | 北京小唱科技有限公司 | Audio processing method and device suitable for mobile terminal and storage medium |
| CN113612881A (en) * | 2021-07-08 | 2021-11-05 | 北京小唱科技有限公司 | Loudspeaking method and device based on single mobile terminal and storage medium |
| CN113611272A (en) * | 2021-07-08 | 2021-11-05 | 北京小唱科技有限公司 | Multi-mobile-terminal-based loudspeaking method, device and storage medium |
| CN113611272B (en) * | 2021-07-08 | 2023-09-29 | 北京小唱科技有限公司 | Multi-mobile-terminal-based loudspeaker method, device and storage medium |
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