CN206413138U - A kind of mobile terminal and earphone - Google Patents
A kind of mobile terminal and earphone Download PDFInfo
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- CN206413138U CN206413138U CN201621153644.5U CN201621153644U CN206413138U CN 206413138 U CN206413138 U CN 206413138U CN 201621153644 U CN201621153644 U CN 201621153644U CN 206413138 U CN206413138 U CN 206413138U
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Abstract
The utility model provides a kind of mobile terminal and earphone, and the mobile terminal includes：The L channel microphone signal and R channel microphone signal of earphone transmission are received, and L channel microphone signal and R channel microphone signal are mixed into the signal processing circuit of stereophonic recording file；Receiver J-Horner, it is provided with L channel microphone signal receiving terminal, R channel microphone signal receiving terminal, the L channel microphone for earphone in receiver J-Horner the first feeder ear of electric energy is provided and the second feeder ear of electric energy is provided for the R channel microphone of earphone, L channel microphone signal receiving terminal and R channel microphone signal receiving terminal are electrically connected with signal processing circuit respectively.Therefore, scheme of the present utility model, can record same source of sound loudness difference and phase difference, binaural recording is realized, the problem of the real scene for solving the audio files of prior art recording when can not restore recording.
Description
Technical field
The utility model is related to electronic technology field, more particularly to a kind of mobile terminal and earphone.
Background technology
Mobile terminal on the market is in recording at present, only one of which microphone (microphone of the machine or the wheat of earphone
Gram wind) it is used to record, the source of sound of such typing is all monophonic, and during by headphones playback, the sound that left and right acoustic channels are heard all is
The same, it is impossible to restore real scene during recording so that user can not judge that sound is to be transmitted through coming from which orientation.
For example when user carries out session recording, user can not tell the Left or right for being the people of speech in user,
And it is who is talking that can only be differentiated by tone color；Other mobile terminal is placed on when being recorded before user's body, positioned at user
During people's speech at rear, its sound can be stopped by user's body, so as to cause the sound of typing smaller.
Utility model content
Embodiment of the present utility model provides a kind of mobile terminal and earphone, to solve the sound text of prior art recording
The problem of real scene when part can not restore recording.
In order to solve the above-mentioned technical problem, the utility model is adopted the following technical scheme that：
According to the utility model embodiment one side there is provided a kind of mobile terminal, including：
The L channel microphone signal and R channel microphone signal of earphone transmission are received, and by the L channel Mike
Wind number and the R channel microphone signal are mixed into the signal processing circuit of stereophonic recording file；
L channel microphone signal receiving terminal, R channel microphone signal are provided with receiver J-Horner, the receiver J-Horner
Receiving terminal, the L channel microphone for the earphone provide the first feeder ear of electric energy and are the R channel microphone of the earphone
Second feeder ear of electric energy, the L channel microphone signal receiving terminal and the R channel microphone signal receiving terminal point are provided
Do not electrically connected with the signal processing circuit.
According to the other side of the utility model embodiment, a kind of earphone is additionally provided, including：
L channel microphone is provided with left headset body, the left headset body；
R channel microphone is provided with right earphone body, the right earphone body；
L channel microphone power access end, R channel Mike's wind power supply are provided with headset plug, the headset plug
Incoming end, L channel microphone signal transmitting terminal and R channel microphone signal transmitting terminal, the L channel Mike wind power supply connect
Enter end and the L channel microphone signal transmitting terminal is electrically connected with the L channel microphone respectively, the R channel microphone
Power access end and the R channel microphone signal transmitting terminal are electrically connected with the R channel microphone respectively.
The beneficial effect of the utility model embodiment is：
Embodiment of the present utility model, L channel Mike's wind is gathered by the L channel microphone being arranged on earphone
Number, R channel microphone signal is gathered by R channel microphone, so that mobile terminal is receiving a left side for earphone transmission
When sound channel microphone signal and R channel microphone signal, it can be mixed as stereophonic recording file, and then can be right
When the stereophonic recording file of generation is played back, real scene during recording can be restored, the audio experience of user is lifted.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, below by the utility model embodiment
The accompanying drawing used required in description is briefly described, it should be apparent that, drawings in the following description are only that this practicality is new
Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 represents one of circuit connection diagram of mobile terminal of the utility model first embodiment；
Fig. 2 represents the two of the circuit connection diagram of the mobile terminal of the utility model first embodiment；
Fig. 3 represents the circuit connection diagram of the earphone of the utility model second embodiment；
Fig. 4 represents the circuit that the mobile terminal of the utility model first embodiment and the earphone of second embodiment are used cooperatively
One of connection diagram；
Fig. 5 represents the circuit that the mobile terminal of the utility model first embodiment and the earphone of second embodiment are used cooperatively
The two of connection diagram；
Fig. 6 represents one of interface diagram in earphone jack or headset plug in the utility model 3rd embodiment；
Fig. 7 represents two of the interface diagram in earphone jack or headset plug in the utility model 3rd embodiment；
Fig. 8 represents the oscillogram of L channel microphone signal；
Fig. 9 represents the oscillogram of R channel microphone signal；
Figure 10 represents the oscillogram of stereophonic recording file.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is a part of embodiment of the utility model, rather than whole implementation
Example.Based on the embodiment in the utility model, those of ordinary skill in the art are obtained under the premise of creative work is not made
The every other embodiment obtained, belongs to the scope of the utility model protection.
First embodiment
Embodiment of the present utility model provides a kind of mobile terminal, the mobile terminal concretely mobile phone, tablet personal computer
Deng.
As depicted in figs. 1 and 2, the mobile terminal 1 00 includes：
The L channel microphone signal and R channel microphone signal of earphone transmission are received, and by the L channel Mike
Wind number and the R channel microphone signal are mixed into the signal processing circuit 101 of stereophonic recording file；
L channel microphone signal receiving terminal, R channel microphone signal are provided with receiver J-Horner, the receiver J-Horner
Receiving terminal, the L channel microphone for the earphone provide the first feeder ear 1021 of electric energy and are the R channel wheat of the earphone
Gram wind provides the second feeder ear 1022 of electric energy, the L channel microphone signal receiving terminal and the R channel microphone signal
Receiving terminal is electrically connected with the signal processing circuit 101 respectively.
The mobile terminal of the utility model embodiment is matched somebody with somebody with being provided with the earphone of L channel microphone and R channel microphone
Conjunction is used.Specifically, when the mobile terminal using such earphone and the utility model embodiment is recorded, by headset plug
After being inserted into the earphone jack of mobile terminal, the first feeder ear 1021 is the L channel microphone power of earphone, the second power supply
End 1022 is the R channel microphone powers of earphone, so that L channel microphone and R channel microphone can normal works
Make.When starting when recording, L channel microphone signal is gathered by L channel microphone, right sound is gathered by R channel microphone
Road microphone signal, and cause mobile terminal to receive the L channel Mike that earphone is sent by L channel microphone signal receiving terminal
Wind number, receives the R channel microphone signal that earphone is sent, and then pass through signal by R channel microphone signal receiving terminal
L channel microphone signal and R channel microphone signal mixed processing are stereophonic recording file by process circuit 101, and then
Real scene during recording can be restored when the stereophonic recording file to generation is played back, lifting user's
Audio experience.
Wherein, people hears that stereo is that poor (distance is received closer to side ear because source of sound has loudness relative to two ears
Sound intensity it is bigger) and phase difference (i.e. time difference).The sound wave that same source of sound reaches two ears is in different vibrational states, then
Reflection and diffraction plus head, shoulder and auricle, human brain can judge the direction of source of sound and the distance (master of distance from these information
The judgement being horizontally oriented, difference relative insensitivity of the people to source of sound position in vertical direction).And it is of the present utility model
Embodiment, the L channel microphone signal that can gather earphone and R channel microphone signal carry out mixed processing, and generation is vertical
Body sound recording file, so as to ideally restore 360 degree of effect of sound field, simulation human ear as true as possible is when hearing sound
State.Wherein, when the stereophonic recording file of generation is when using headphones playback, user can experience sense on the spot in person
By.
In addition, L channel microphone signal and R channel microphone signal that mobile terminal is received can be simulation letters
Number, or data signal, it is specifically dependent upon the model of the microphone set on earphone.And L channel microphone signal and
In the case that R channel microphone signal is analog signal, in the case of being data signal, earphone is inserted on mobile terminal
The interface definition in hole is different, and the specific composition of signal processing circuit is different.
Specifically, situation one：
When the L channel microphone signal and the R channel microphone signal are analog signal, as shown in figure 1,
The L channel microphone signal receiving terminal includes the first terminals 1023 electrically connected with the positive pole of the L channel microphone
The second terminals 1024 electrically connected with the negative pole with the L channel microphone；The R channel microphone signal receiving terminal bag
Include the 3rd terminals 1025 that are electrically connected with the positive pole of the R channel microphone and the negative electricity with the R channel microphone
4th terminals 1026 of connection；
Wherein, first terminals 1023, second terminals 1024, the 3rd terminals 1025 and described
Four terminals 1026 are electrically connected with the signal processing circuit 101.
Wherein, simulation microphone be provided with positive pole and negative pole, then mobile terminal need be provided for respectively with positive pole and bear
The terminal of pole electrical connection, can be when being recorded so that mobile terminal can receive the L channel microphone on earphone
The R channel microphone signal of L channel microphone signal and R channel the microphone collection of collection.
In addition, accordingly, as shown in figure 1, the signal processing circuit 101 includes：
Receive the L channel microphone signal and be converted to the first analog to digital conversion circuit ADC1 of the first data signal, institute
The first analog to digital conversion circuit ADC1 is stated including first input end, the second input and the first output end, the first input end with
First terminals 1023 are electrically connected, and second input is electrically connected with second terminals 1024；
Receive the R channel microphone signal and be converted to the second analog to digital conversion circuit ADC2 of the second data signal, institute
The second analog to digital conversion circuit ADC2 is stated including the 3rd input, the 4th input and the second output end, the 3rd input with
3rd terminals 1025 are electrically connected, and the 4th input is electrically connected with the 4th terminals 1026；
The first signal that first data signal and second data signal are mixed into stereophonic recording file is mixed
Circuit 1013 is closed, first signal mixed circuit 1013 includes the 5th input and the 6th input, the 5th input
Electrically connected with first output end, the 6th input is electrically connected with second output end.
Wherein, when L channel microphone signal and R channel microphone signal are analog signal, mixed carrying out signal
Before conjunction processing, in addition it is also necessary to be converted to data signal, thus signal processing circuit 101 needs to include the first analog to digital conversion circuit
ADC1 and the second analog to digital conversion circuit ADC2, consequently facilitating subsequently carrying out signal mixing, generates stereophonic recording file.I.e. first
L channel microphone signal is converted to left source of sound S by analog to digital conversion circuit ADC1L, the second analog to digital conversion circuit ADC2 is by R channel
Microphone signal is converted to right source of sound SR, and then by the first signal mixed circuit 1013 left source of sound SLWith right source of sound SRRespectively
It is placed on the left and right acoustic channels of stereo source of sound, you can obtain stereophonic recording file SL+R.Wherein, it is illustrated in figure 8 left source of sound SL
Oscillogram, such as Fig. 9 be right source of sound SROscillogram, then by left source of sound SLWith right source of sound SRThe stereo file S of synthesisL+RRipple
Shape figure, as shown in Figure 10.
Furthermore it is preferred that the first analog to digital conversion circuit ADC1, the second analog to digital conversion circuit ADC2 and described
One signal mixed circuit 1013 provides for the audio codec of mobile terminal., can be straight in embodiment i.e. of the present utility model
Connect the modulus turn realized using the audio codec of mobile terminal to L channel microphone signal and R channel microphone signal
Change and signal mixed processing, the process of stereo language file is generated, consequently facilitating the mobile end of the utility model embodiment
Circuit structure inside the realization at end, simplification, so as to save production cost.
Moreover it is preferred that the mobile terminal also includes controlling the first analog to digital conversion circuit ADC1 to receive the left side
Sound channel microphone signal, controls the second analog to digital conversion circuit ADC2 to receive the R channel microphone signal, and receive institute
State the central processor CPU of the stereophonic recording file of the first signal mixed circuit 1013 transmission, the central processing unit
CPU includes the 3rd control signal output, the 4th control signal output and first data transmission end；First analog-to-digital conversion
Circuit ADC1 includes the first control end, and first control end is electrically connected with the 3rd control signal output；Described second
Analog to digital conversion circuit ADC2 includes the second control end, and second control end is electrically connected with the 4th control signal output；
First signal mixed circuit 1013 includes the second data transmission terminal, and second data transmission terminal is passed with first data
Defeated end electrical connection.
I.e. when being recorded, by user by operating mobile terminal so that central processor CPU sends control instruction,
Control when the first analog to digital conversion circuit ADC1 and the second analog to digital conversion circuit ADC2 receive the microphone signal of earphone transmission, from
And meet the demand for control of user.In addition, the first signal mixed circuit 1013 is to L channel microphone signal and R channel Mike
Wind number is carried out after mixed processing, generation stereophonic recording file, also stereophonic recording file can be transferred into central processor CPU
Stored or other processing.
Specifically, situation two：
When the L channel microphone signal and the R channel microphone signal are data signal, as shown in Fig. 2
The L channel microphone signal receiving terminal includes the 5th terminals electrically connected with the control end of the L channel microphone
10210 and the 6th terminals 10211 that are electrically connected with the data terminal of the L channel microphone；The R channel microphone signal
Receiving terminal include the 7th terminals 10212 that are electrically connected with the control end of the R channel microphone and with the R channel Mike
8th terminals 10213 of the data terminal electrical connection of wind；
Wherein, the 5th terminals 10210, the 6th terminals 10211, the 7th terminals 10212 and institute
The 8th terminals 10213 are stated to electrically connect with the signal processing circuit 101.
Wherein, control end and data terminal are provided with digital microphone, then mobile terminal need be provided for respectively with control
End processed and the terminal of data terminal electrical connection, can be when being recorded so that mobile terminal can receive the left side on earphone
The L channel microphone signal of sound channel microphone collection and the R channel microphone signal of R channel microphone collection.
In addition, accordingly, as shown in Fig. 2 the signal processing circuit 101 includes：
Receive the central processor CPU of the L channel microphone signal and R channel microphone signal, the centre
Managing device CPU includes the first control signal output CLK_L, the second control signal output CLK_R, the first data receiver
DATA_L, the second data receiver DATA_R and the 3rd data transmission terminal, the first control signal output CLK_L with it is described
5th terminals 10210 are electrically connected, and the first data receiver DATA_L is electrically connected with the 6th terminals 10211, institute
State the second control signal output CLK_R to electrically connect with the 7th terminals 10212, the second data receiver DATA_R
Electrically connected with the 8th terminals 10213；
Receive the L channel microphone signal of the central processor CPU transmission and the R channel Mike wind
Number, and stereophonic recording file is mixed into, and the stereophonic recording file is transferred to the second of the central processor CPU
Signal mixed circuit 1016, the secondary signal hybrid circuit 1016 includes the 4th data transmission terminal, the 4th data transfer
End is electrically connected with the 3rd data transmission terminal.
Wherein it is preferred to, the secondary signal hybrid circuit 1016 provides for the audio codec of mobile terminal.I.e.
In embodiment of the present utility model, directly can be realized using the audio codec of mobile terminal to L channel microphone signal and
R channel microphone signal carries out mixed processing, generates the process of stereo language file, consequently facilitating the utility model is implemented
Circuit structure inside the realization of the mobile terminal of example, simplification, so as to save production cost.
In addition, when L channel microphone signal and R channel microphone signal are data signal, can directly pass through
Central processor CPU is received.Preferably, passed by the universal input output data interface (GPIO) of central processor CPU
Defeated control signal and data-signal realize the typing of digital microphone.
In addition, when being recorded, by user by operating mobile terminal so that central processor CPU is begun through
The typing of the existing microphone signal of GPIO causes for gossip, and the L channel microphone signal and R channel microphone signal of typing are transferred to the
Binary signal hybrid circuit 1016 is carried out after mixed processing, generation stereophonic recording file, and secondary signal hybrid circuit 1016 is also needed
Central processor CPU is transferred to be stored or other processing stereophonic recording file.
Wherein, the playback circuitry of audio files is additionally provided with mobile terminals, as depicted in figs. 1 and 2, the playback circuitry
Including the digital analog converter DAC, the digital analog converter DAC that are electrically connected with central processor CPU also respectively with earphone jack
L channel transmitting terminal 1028 and R channel transmitting terminal 1027 electrically connect, wherein, the left sound of L channel transmitting terminal 1028 and earphone
Road loudspeaker electrical connection, R channel transmitting terminal 1027 is electrically connected with the R channel loudspeaker of earphone.
When user operates mobile terminal so that when central processor CPU sends a recording file play-back command, in may be such that
Stereophonic recording file is transferred to digital analog converter DAC by central processor CPU so that digital analog converter DAC will be converted
Analog signal is sent to the L channel loudspeaker and R channel of earphone by L channel transmitting terminal 1028 and R channel transmitting terminal 1027
Loudspeaker, so that user can hear the sound with stereophonic effect from the L channel loudspeaker and R channel loudspeaker of earphone
Sound.
In summary, the mobile terminal of the utility model embodiment, with being provided with L channel microphone and R channel Mike
The earphone of wind is used cooperatively, and can obtain the L channel microphone signal and R channel microphone signal of earphone collection, and can
It is mixed as stereophonic recording file, and then be able to can be reduced when the stereophonic recording file to generation is played back
Go out real scene when recording, lift the audio experience of user.
Second embodiment
Embodiment of the present utility model provides a kind of earphone, and the earpiece application is in mobile terminals such as mobile phone, tablet personal computers.
As shown in figure 3, the earphone 300 includes：
L channel microphone 301 is provided with left headset body, the left headset body；
R channel microphone 303 is provided with right earphone body, the right earphone body；
L channel microphone power access end 3051, R channel microphone are provided with headset plug, the headset plug
Power access end 3052, L channel microphone signal transmitting terminal and R channel microphone signal transmitting terminal, the L channel Mike
Wind power supply incoming end 3051 and the L channel microphone signal transmitting terminal are electrically connected with the L channel microphone 301 respectively,
The R channel microphone power access end 3052 and the R channel microphone signal transmitting terminal respectively with the R channel wheat
Gram wind 303 is electrically connected.
Embodiment of the present utility model, respectively increases a microphone in left headset body and right earphone body so that
When being recorded, it is possible to use two microphones simulate the left-right ear of people, thus record same source of sound loudness difference and phase
Potential difference, realizes binaural recording.
In addition, the earphone of the utility model embodiment, with being provided with L channel microphone signal and R channel microphone
The mobile terminal that signal is mixed into the signal processing circuit of stereophonic recording file is used cooperatively.Wherein, when being recorded, ear
The L channel microphone and R channel microphone of machine carry out binaural recording, so that by the L channel microphone signal of collection and the right side
Sound channel microphone signal is sent to mobile terminal so that mobile terminal is mixed as stereophonic recording file, and then can be
When being played back to the stereophonic recording file of generation, real scene during recording can be restored, the sense of hearing body of user is lifted
Test.
Wherein, earphone is divided into analog earphone and digital earphone, then the microphone set on analog earphone is mould
Intend microphone, the microphone set on digital earphone is digital microphone.Therefore, L channel microphone and R channel Mike
Wind is the situation for simulating microphone, in the case of being digital microphone, and the interface definition of headset plug is then different.
Specifically, situation one：
When the L channel microphone and the R channel microphone are simulation microphone：The L channel microphone
Signal sending end includes the first connection end and the second connection end, first connection end and the positive pole electricity of the L channel microphone
Connection, second connection end is electrically connected with the negative pole of the L channel microphone；The R channel microphone signal transmitting terminal
Including the 3rd connection end and the 4th connection end, the 3rd connection end is electrically connected with the positive pole of the R channel microphone, described
4th connection end is electrically connected with the negative pole of the R channel microphone.
Wherein, simulation microphone be provided with positive pole and negative pole, then headset plug need set respectively with positive pole and negative electricity
The terminal of connection, can be when being recorded, by the L channel microphone signal of collection and the success of R channel microphone signal
It is sent to mobile terminal.
Specifically, situation two：
When the L channel microphone and the R channel microphone are digital microphone：The L channel microphone
Signal sending end includes the 5th connection end and the 6th connection end, the 5th connection end and the control end of the L channel microphone
Electrical connection, the 6th connection end is electrically connected with the data terminal of the L channel microphone；The R channel microphone signal hair
Sending end includes the 7th connection end and the 8th connection end, and the 7th connection end and the control end of the R channel microphone are electrically connected
Connect, the 8th connection end is electrically connected with the data terminal of the R channel microphone.
Wherein, control end and data terminal are provided with digital microphone, then need on headset plug to set respectively with control
The terminal that end and data terminal are electrically connected, can be when being recorded, by the L channel microphone signal of collection and R channel wheat
Gram wind number is successfully sent to mobile terminal.
In addition, the L channel loudspeaker 302 and R channel loudspeaker 304 for playing audio files are additionally provided with earphone, such as Fig. 3
It is shown.Wherein, L channel loudspeaker 302 are arranged in left headset body, and R channel loudspeaker 304 are arranged on right earphone body, and
L channel loudspeaker 302 are electrically connected with the L channel receiving terminal 3058 on headset plug, on R channel loudspeaker 304 and headset plug
R channel receiving terminal 3057 is electrically connected, so that mobile terminal can be by the stereophonic recording file playback of generation to L channel
In loudspeaker 302 and R channel loudspeaker 304.
Preferably, the L channel microphone is located at the outside of the earplug in the left headset body, the R channel wheat
Gram wind is respectively positioned on the outside of the earplug on the right earphone body, so that L channel microphone and R channel microphone can be with
The voice signal become apparent from is collected, so as to lift final recording effect, the audio experience of user is further lifted.
In summary, the earphone of the utility model embodiment, with being provided with L channel microphone signal and R channel wheat
The mobile terminal for the signal processing circuit that gram wind number is mixed into stereophonic recording file is used cooperatively, and can pass through L channel wheat
Gram wind and R channel microphone realize binaural recording, and the left sound for being gathered earphone by the signal processing circuit of mobile terminal
Road microphone signal and R channel microphone signal are mixed into stereophonic recording file, and then can be in the stereo record to generation
When sound file is played back, real scene during recording can be restored, the audio experience of user is lifted.
3rd embodiment
The circuit connection diagram when mobile terminal of above-mentioned first embodiment and the earphone of second embodiment are used cooperatively
As shown in Figure 4 and Figure 5.
Specifically, situation one：
When the L channel microphone and R channel microphone of earphone are simulation microphone, the electricity of mobile terminal and earphone
Road connection is as shown in Figure 4.The headset plug of earphone is inserted into earphone jack so that terminal and earphone jack on headset plug
In terminal correspondence connect, by the first feeder ear be L channel microphone power, the second feeder ear be R channel microphone confession
Electricity, so that L channel microphone 404 and R channel microphone 406 can be with normal works in Recording Process.
When starting when recording, the collection L channel microphone signal of L channel microphone 404, R channel microphone 406 is gathered
R channel microphone signal, then by the electrical connection between headset plug and earphone jack by L channel microphone signal and the right side
Sound channel microphone signal is sent to mobile terminal so that mobile terminal controls the first analog-to-digital conversion electricity by central processor CPU
Road ADC1 receives L channel microphone signal, and is converted into the first data signal, controls the second analog to digital conversion circuit ADC2
R channel microphone signal is received, and is converted into the second data signal, so that the first signal mixed circuit 4013 will
L channel microphone signal and R channel microphone signal are mixed into stereophonic recording file, and are transferred to central processor CPU
Handled.
When carrying out recording playback, the stereophonic recording file of generation is transferred to digital analog converter by central processor CPU
DAC, is converted into analog signal, then by the electrical connection between headset plug and earphone jack, by converted mould
Intend signal playback to L channel loudspeaker 405 and R channel loudspeaker 407.
Wherein, headset plug and earphone jack can use TYPE-C interfaces, so that headset plug is inserted into earphone
When in jack, it is not necessary to pay close attention to positive reflexive, the both sides of headset plug are inserted into earphone jack, and realize corresponding terminal
Electrical connection, improve the ease of use of user.Specifically, the definition of headset plug and earphone jack can be as shown in Figure 6.
Wherein, A2/A3 (B2/B3) pin is the terminals electrically connected with R channel microphone, and A4 (B4) is R channel wheat
The power supply of gram wind；A10/A11 (B10/B11) pin is the terminals electrically connected with L channel microphone, and A9 (B9) is a left side
The power supply of sound channel microphone；A5/A6/A7/A8 (B5/B6/B7/B8) is traditional earphone interface pin, A1/A12/B1/
B12 is ground pin.
Specifically, situation two：
When the L channel microphone and R channel microphone of earphone are digital microphone, the electricity of mobile terminal and earphone
Road connection is as shown in Figure 5.The headset plug of earphone is inserted into earphone jack so that terminal and earphone jack on headset plug
In terminal correspondence connect, by the first feeder ear be L channel microphone 404 power, the second feeder ear be R channel microphone
406 power supplies, so that L channel microphone 404 and R channel microphone 406 can be with normal works in Recording Process.
When starting when recording, the collection L channel microphone signal of L channel microphone 404, R channel microphone 406 is gathered
R channel microphone signal, then by the electrical connection between headset plug and earphone jack by L channel microphone signal and the right side
Sound channel microphone signal is sent to mobile terminal so that mobile terminal receives L channel Mike's wind by central processor CPU
Number and R channel microphone signal so that secondary signal hybrid circuit 4016 is by L channel microphone signal and R channel wheat
Gram wind number is mixed into stereophonic recording file, and is transferred to central processor CPU and is handled.
When carrying out recording playback, the stereophonic recording file of generation is transferred to digital analog converter by central processor CPU
DAC, is converted into analog signal, then by the electrical connection between headset plug and earphone jack, by converted mould
Intend signal playback to L channel loudspeaker 405 and R channel loudspeaker 407.
Wherein, headset plug and earphone jack can use TYPE-C interfaces, so that headset plug is inserted into earphone
When in jack, it is not necessary to pay close attention to positive reflexive, the both sides of headset plug are inserted into earphone jack, improve making for user
Use convenience.Specifically, the definition of headset plug and earphone jack can be as shown in Figure 7.
Wherein, A2/A3 (B2/B3) pin is the terminals electrically connected with R channel microphone, and A4 (B4) is R channel wheat
The power supply of gram wind；A10/A11 (B10/B11) pin is the terminals electrically connected with L channel microphone, and A9 (B9) is a left side
The power supply of sound channel microphone；A5/A6/A7/A8 (B5/B6/B7/B8) is traditional earphone interface pin, A1/A12/B1/
B12 is ground pin.
In summary, by respectively increasing a microphone in left headset body and right earphone body, so as to realize alliteration
Road is recorded, then by the recording compound stereoscopic sound recording file of the signal processing circuit that is set on mobile terminal left and right acoustic channels,
Stereophonic recording can be achieved.Wherein, the left-right ear of people is simulated using two microphones in recording, it is possible to record same
The loudness difference and phase difference of individual source of sound, so as to ideally restore 360 degree of effect of sound field, simulation human ear as true as possible exists
State when hearing sound, and during the source of sound headphones playback of typing, user can be made to experience impression on the spot in person.
Therefore, the mobile terminal and earphone of the utility model embodiment, can allow user substantially to perceive the orientation of sound, and
The not exclusively size of loudness, improves the diversity of recording and rich.In addition, with virtual reality (VR, Virtual
Reality) the popularization of technology, embodiment of the present utility model, additionally it is possible to be lifted at the experience in terms of VR video and audio recordings.
Above-described is preferred embodiment of the present utility model, it should be pointed out that for the ordinary person of the art
For, some improvements and modifications can also be made under the premise of principle described in the utility model is not departed from, these improve and moistened
Decorations are also in protection domain of the present utility model.
Claims (10)
1. a kind of mobile terminal, it is characterised in that including：
The L channel microphone signal and R channel microphone signal of earphone transmission are received, and by the L channel Mike wind
Number and the R channel microphone signal be mixed into the signal processing circuit of stereophonic recording file；
L channel microphone signal receiving terminal, R channel microphone signal is provided with receiver J-Horner, the receiver J-Horner to receive
Hold, the first feeder ear of electric energy is provided and provided for the R channel microphone of the earphone for the L channel microphone of the earphone
Second feeder ear of electric energy, the L channel microphone signal receiving terminal and the R channel microphone signal receiving terminal respectively with
The signal processing circuit electrical connection.
2. mobile terminal according to claim 1, it is characterised in that when the L channel microphone signal and the right sound
When road microphone signal is analog signal, the L channel microphone signal receiving terminal includes and the L channel microphone
First terminals of positive pole electrical connection and the second terminals electrically connected with the negative pole of the L channel microphone；The R channel
Microphone signal receiving terminal include the 3rd terminals that are electrically connected with the positive pole of the R channel microphone and with the R channel
4th terminals of the negative pole electrical connection of microphone；
Wherein, first terminals, second terminals, the 3rd terminals and the 4th terminals with it is described
Signal processing circuit is electrically connected.
3. mobile terminal according to claim 2, it is characterised in that the signal processing circuit includes：
Receive the L channel microphone signal and be converted to the first analog to digital conversion circuit of the first data signal, first mould
Number change-over circuit includes first input end, the second input and the first output end, the first input end and first wiring
End electrical connection, second input is electrically connected with second terminals；
Receive the R channel microphone signal and be converted to the second analog to digital conversion circuit of the second data signal, second mould
Number change-over circuit includes the 3rd input, the 4th input and the second output end, the 3rd input and the 3rd wiring
End electrical connection, the 4th input is electrically connected with the 4th terminals；
The first signal that first data signal and second data signal are mixed into stereophonic recording file mixes electricity
Road, first signal mixed circuit includes the 5th input and the 6th input, the 5th input and described first defeated
Go out end electrical connection, the 6th input is electrically connected with second output end.
4. mobile terminal according to claim 3, it is characterised in that the mobile terminal also includes controlling first mould
Number change-over circuit receives the L channel microphone signal, controls second analog to digital conversion circuit to receive the R channel Mike
Wind number, and receive the central processing unit of the stereophonic recording file of first signal mixed circuit transmission, it is described in
Central processor includes the 3rd control signal output, the 4th control signal output and first data transmission end；
First analog to digital conversion circuit includes the first control end, first control end and the 3rd control signal output
Electrical connection；
Second analog to digital conversion circuit includes the second control end, second control end and the 4th control signal output
Electrical connection；
First signal mixed circuit includes the second data transmission terminal, and second data transmission terminal is passed with first data
Defeated end electrical connection.
5. mobile terminal according to claim 1, it is characterised in that when the L channel microphone signal and the right sound
When road microphone signal is data signal, the L channel microphone signal receiving terminal includes and the L channel microphone
5th terminals of control end electrical connection and the 6th terminals electrically connected with the data terminal of the L channel microphone；The right side
Sound channel microphone signal receiving terminal include the 7th terminals that are electrically connected with the control end of the R channel microphone and with it is described
8th terminals of the data terminal electrical connection of R channel microphone；
Wherein, the 5th terminals, the 6th terminals, the 7th terminals and the 8th terminals with it is described
Signal processing circuit is electrically connected.
6. mobile terminal according to claim 5, it is characterised in that the signal processing circuit includes：
The central processing unit of the L channel microphone signal and R channel microphone signal is received, the central processing unit includes
First control signal output, the second control signal output, the first data receiver, the second data receiver and the 3rd data
Transmission end, first control signal output is electrically connected with the 5th terminals, first data receiver with it is described
6th terminals are electrically connected, and second control signal output is electrically connected with the 7th terminals, and second data connect
Receiving end is electrically connected with the 8th terminals；
The L channel microphone signal and the R channel microphone signal of the central processing unit transmission are received, and is mixed
For stereophonic recording file, and the secondary signal that the stereophonic recording file is transferred into the central processing unit mixes electricity
Road, the secondary signal hybrid circuit includes the 4th data transmission terminal, and the 4th data transmission terminal is passed with the 3rd data
Defeated end electrical connection.
7. a kind of earphone, it is characterised in that the earphone includes：
L channel microphone is provided with left headset body, the left headset body；
R channel microphone is provided with right earphone body, the right earphone body；
L channel microphone power access end, R channel microphone plant-grid connection are provided with headset plug, the headset plug
End, L channel microphone signal transmitting terminal and R channel microphone signal transmitting terminal, the L channel microphone power access end
Electrically connected respectively with the L channel microphone with the L channel microphone signal transmitting terminal, the R channel Mike wind power supply
Incoming end and the R channel microphone signal transmitting terminal are electrically connected with the R channel microphone respectively.
8. earphone according to claim 7, it is characterised in that when the L channel microphone and the R channel microphone
When being simulation microphone：The L channel microphone signal transmitting terminal includes the first connection end and the second connection end, described the
One connection end is electrically connected with the positive pole of the L channel microphone, second connection end and the negative pole of the L channel microphone
Electrical connection；
The R channel microphone signal transmitting terminal include the 3rd connection end and the 4th connection end, the 3rd connection end with it is described
The positive pole electrical connection of R channel microphone, the 4th connection end is electrically connected with the negative pole of the R channel microphone.
9. earphone according to claim 7, it is characterised in that when the L channel microphone and the R channel microphone
When being digital microphone：
The L channel microphone signal transmitting terminal include the 5th connection end and the 6th connection end, the 5th connection end with it is described
The control end electrical connection of L channel microphone, the 6th connection end is electrically connected with the data terminal of the L channel microphone；
The R channel microphone signal transmitting terminal include the 7th connection end and the 8th connection end, the 7th connection end with it is described
The control end electrical connection of R channel microphone, the 8th connection end is electrically connected with the data terminal of the R channel microphone.
10. earphone according to claim 7, it is characterised in that the L channel microphone is located at the left headset body
On earplug outside, the R channel microphone is respectively positioned on the outside of the earplug on the right earphone body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621153644.5U CN206413138U (en) | 2016-10-31 | 2016-10-31 | A kind of mobile terminal and earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621153644.5U CN206413138U (en) | 2016-10-31 | 2016-10-31 | A kind of mobile terminal and earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206413138U true CN206413138U (en) | 2017-08-15 |
Family
ID=59547802
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621153644.5U Active CN206413138U (en) | 2016-10-31 | 2016-10-31 | A kind of mobile terminal and earphone |
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| Country | Link |
|---|---|
| CN (1) | CN206413138U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109618062A (en) * | 2019-01-23 | 2019-04-12 | 努比亚技术有限公司 | Voice interactive method, device, equipment and computer readable storage medium |
| CN111586655A (en) * | 2020-04-29 | 2020-08-25 | 上海紫荆桃李科技有限公司 | Device for completely collecting conversation contents of conversation parties |
| WO2023184660A1 (en) * | 2022-03-29 | 2023-10-05 | 王丰硕 | Immersive recording method and apparatus |
-
2016
- 2016-10-31 CN CN201621153644.5U patent/CN206413138U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109618062A (en) * | 2019-01-23 | 2019-04-12 | 努比亚技术有限公司 | Voice interactive method, device, equipment and computer readable storage medium |
| CN111586655A (en) * | 2020-04-29 | 2020-08-25 | 上海紫荆桃李科技有限公司 | Device for completely collecting conversation contents of conversation parties |
| WO2023184660A1 (en) * | 2022-03-29 | 2023-10-05 | 王丰硕 | Immersive recording method and apparatus |
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