CN207706384U

CN207706384U - It is a kind of that there is the wireless K song earphones for going voice function

Info

Publication number: CN207706384U
Application number: CN201721710399.8U
Authority: CN
Inventors: 张德明
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-12-10
Filing date: 2017-12-10
Publication date: 2018-08-07
Anticipated expiration: 2027-12-10

Abstract

The utility model proposes a kind of wireless K song earphones for having and going voice function, special voice button is removed by being arranged on earphone, or by way of acoustic control, self adaptive control, voice in music signal can be removed, obtain musical background, the K song experience for greatly improving user, improves the compatibility to music signal.

Description

It is a kind of that there is the wireless K song earphones for going voice function

Technical field

The utility model belongs to audio frequency field, more particularly to a kind of to have the K song earphones for going voice function.

Background technology

The mobile terminals such as mobile phone, tablet computer are gradually popularized, network bandwidth is constantly promoted, the K of various suitable mobile terminals Song software is also used by more and more users, is increasingly becoming popular personal entertainment mode；Go out in the prior art Show the solution of some wireless K songs, but in currently existing scheme, if itself will be as the music signal itself accompanied simultaneously It is not accompaniment version, namely sings the music signal of version, then effect of the user when K is sung will has a greatly reduced quality, under recording The audio mixing effect come is also poor, it is difficult to meet the expectation of user.

Utility model content

In order to overcome the deficiencies of existing technologies, the utility model proposes it is a kind of have go voice function wireless K sing earphone, By be arranged on earphone it is special remove voice button, can will be in music signal or by way of acoustic control, self adaptive control Voice removal, obtain musical background, greatly improve user K song experience, improve the compatibility to music signal.

It is proposed a kind of wireless K song earphones for having and going voice function, this is wireless, and K song earphones include microphone, for picking up The performance human voice signal V of user, vocal effects' unit receive the human voice signal V for coming from microphone, and to the human voice signal V processing；With the first control unit, which is electrically connected with vocal effects' unit, and user can pass through manipulation First control unit controls vocal effects' unit；Further include music effect unit, reception comes from mobile terminal The music signal M sent in a manner of bluetooth connection, and to music signal M processing；Further comprise mixer, connects respectively Receive come from vocal effects' unit through processed human voice signal V ' and come from music effect unit through processed music Signal M ', and M '+V ' is obtained after the two is mixed, mixed signal is exported to earphone speaker all the way and is monitored back It puts, another way then returns to mobile terminal by bluetooth connection, and carries out subsequent processing by mobile terminal；It is characterized in that, to sound The processing of music signal M includes for the voice in the music signal M of non-pure accompaniment to be removed；Further comprise the second control Unit processed is electrically connected with music effect unit, and second control unit is for controlling whether music effect unit executes people Sonication.

Wherein, include addition reverberation to the processing of human voice signal V, change Human tone；The processing of music signal M is also wrapped Include EQ adjustings, dynamic control；Voice is removed and is carried out using the mode that left and right sound channels are subtracted each other, or to the mode of voice removal For the left and right sound track signals of music signal M are first converted into frequency domain, reuse principal component analytical method and first find out voice and solid Sound is found pleasure in, then is removed to voice.

Wherein, the second control unit is triggering button, or is received simultaneously by the second control unit and come from microphone User human voice signal V, the specific instruction that sends out of identification user control music effect unit or the second control unit Music signal M and human voice signal V are received simultaneously, first the voice in music signal M is extracted, then compare the sound extracted Difference between human voice signal in music signal M and human voice signal V does not send instruction if difference is more than a preset threshold value It goes voice to handle to the execution of music effect unit, if difference is less than a preset threshold value, sends instructions to music effect list Member, which executes, goes voice to handle.

Wherein, K sings earphone and also provides user interface, and can return to mobile terminal by user's selection is untreated dry Human voice signal V, processed wet human voice signal V ' or audio signal M '+V '；Mobile terminal includes mobile phone, tablet computer, knee Laptop computer.

Description of the drawings

Fig. 1 is the working state figure with the wireless K song earphones for going voice function of the utility model

Fig. 2 is the structure diagram with the wireless K song earphones for going voice function of the utility model

Specific implementation mode

Attached drawing 1 shows the working state figure with the wireless K song earphones for going voice function of the utility model, is sung to K The basic application method of earphone is briefly described as follows, user wear the utility model K song earphone 1, mobile terminal 2 by with K The bluetooth of song earphone 1 is wirelessly connected is sent to K song earphones 1 by music signal M, and music signal M is after K song earphones 1 are handled As treated music signal M ', according to hearing that treated from earphone, music signal M ' is sung user, is sung Human voice signal V sing the microphone 11 of earphone 1 by K and pick up, become treated human voice signal V ' after K song earphones 1 are handled, this When user then synchronize the audio signal of the music signal M ' that hears that treated and treated human voice signal V ', to be sought for user The feeling of live K songs true to nature is produced, meanwhile, K sings earphone 1 can also will treated music signal M ' and treated voice The audio signal of signal V ' returns back mobile terminal 2 by bluetooth connection, and subsequent processing is carried out by mobile terminal 2.

Refer to the attached drawing 2, in conjunction in attached drawing 2 Each part and signal flow diagram to the utility model have remove voice work( The wireless K song earphones 1 of energy are described in detail, this is wireless, and K song earphones include microphone 11, the performance voice for picking up user Signal V, vocal effects' unit 12 receive and come from the human voice signal V of microphone 11, and to human voice signal's V processing, The processing includes but not limited to addition reverberation, change Human tone etc., addition reverberation, the concrete mode example for changing Human tone It can such as belong to the prior art to signal into line delay, gain processing, repeat no more, by these processing, voice can be made to have listened Come it is more melodious, it is stronger with music amalgamation；With the first control unit 14, first control unit 14 and vocal effects' unit 12 electrical connections, user can control vocal effects' unit 12 by manipulating first control unit 14, such as selecting Different vocal effects' processing modes；Further include music effect unit 13, receive come from mobile terminal 2 with bluetooth connection side The music signal M that formula is sent, and adjusted, dynamic control to music signal M processing, including such as EQ, specific implementation Method belongs to state of the art, repeats no more；Particularly, can be additionally used in the people in the music signal M of non-pure accompaniment Sound is removed, and the general processing mode that left and right sound channels are subtracted each other can have both been used to the method for voice removal, can also be by music The left and right sound track signals of signal M are first converted into frequency domain, and the method for reusing principal component analysis (PCA) first finds out voice and three-dimensional sound It is happy, then voice is removed, what above method was all that by those skilled in the art；It is new as this practicality One of utility model point of type further comprises the second control unit 15, is electrically connected with music effect unit 13, this second Control unit 15 can be triggering button, and user can control whether music effect unit 13 is held by second control unit 15 Row go voice to handle, if user without triggering, without going voice to handle；For the second control unit 15, can also have Other trigger the mode for removing voice, such as：Receive the user's voice letter for coming from microphone 11 simultaneously by the second control unit 15 Number V, when user needs voice, can send out certain specific instruction, such as fire finger or voice command, single by the second control 15 couples of signal V of member are identified, such as by way of feature extraction, with it is pre-stored instruction be compared, if matching at Work(then sends out trigger signal, and control music effect unit 13, which executes, goes voice to handle, otherwise then without going voice to handle；This Outside, the second control unit 15 can also receive music signal M and human voice signal V simultaneously, first to the voice in music signal M into Row extraction, specific extracting mode is for example using above-mentioned principal component analysis (PCA) method, then compares the music signal M extracted In human voice signal and the difference between human voice signal V, such as speed, the tone etc. that both compare, if difference is more than one to preset Threshold value, then do not send instructions to music effect unit 13 execution go voice to handle, if difference be less than a preset threshold value, Sending instructions to the execution of music effect unit 13 goes voice to handle, and specific comparative approach for example can first calculate two voice letters Number pitch contour, then compare the similarity degree of the pitch contour of two human voice signals and decide whether to trigger；Further Including mixer 16, receive respectively come from vocal effects' unit 12 through processed human voice signal V ' and come from music and imitate Fruit unit 13 obtains M '+V ' through processed music signal M ' after being mixed the two, mixed signal is exported all the way to Earphone speaker 17 carries out monitoring playback, and another way then returns to mobile terminal 2 by bluetooth connection, and by mobile terminal 2 into Row subsequent processing, such as record or be broadcast live, shared by network.

Further as shown in Fig. 2, K songs earphone 1 also provides user interface (not shown), can select to return to by user Mobile terminal 2 is untreated dry human voice signal V, processed wet human voice signal V ' or audio signal M '+V '.

Wherein, above-mentioned mobile terminal 2 can be mobile phone, tablet computer, laptop computer etc..

Wherein, the downlink transfer of the music signal M of the bluetooth connection between wireless K song microphones 1 and mobile terminal 2 uses A2DP Channel, and the uplink for returning to mobile terminal 2 then can be used blue tooth RFCOMM channel, code encoding/decoding mode using SBC, Thus one of OPUS, Apt-X, AAC can realize the low delay, Whole frequency band and channel transmission of uplink, greatly promote uplink The fidelity of signal.

The utility model is integrated with a key in wireless K sings earphone for the first time and goes voice function, and K song effects is made further to obtain It is promoted.And rational modification of those skilled in the art on the basis of the utility model disclosure should all be regarded as belonging to this practicality Novel protection domain.

Claims

1. a kind of having the wireless K song earphones for going voice function, this is wireless, and K song earphones include microphone (11), are used for picking up The performance human voice signal V at family, vocal effects' unit (12) receive the human voice signal V for coming from microphone (11), and to the people Acoustical signal V processing；With the first control unit (14), which is electrically connected with vocal effects' unit (12) It connects, user can control vocal effects' unit (12) by manipulating first control unit (14)；It further include music effect Unit (13) receives the music signal M sent in a manner of bluetooth connection for coming from mobile terminal (2), and to music signal M It is handled；Further comprise mixer (16), respectively receive come from vocal effects' unit (12) through processed voice Signal V ' and come from music effect unit (13) obtained through processed music signal M ', and after the two is mixed M '+ Mixed signal is exported to earphone speaker (17) and carries out monitoring playback by V ' all the way, and another way is then returned to by bluetooth connection Mobile terminal (2), and subsequent processing is carried out by mobile terminal (2)；Wherein, include for will be non-pure to the processing of music signal M Voice in the music signal M of accompaniment is removed；Further comprise the second control unit (15), with music effect unit (13) it is electrically connected, whether which, which executes voice for controlling music effect unit (13), is handled.

2. wireless K as described in claim 1 sings earphone, it is characterized in that, the processing to human voice signal V includes addition reverberation, changes Become Human tone.

3. wireless K as described in claim 1 sings earphone, it is characterized in that, the processing to music signal M further includes that EQ is adjusted, is dynamic State controls.

4. wireless K as described in claim 1 sings earphone, it is characterized in that, the mode subtracted each other using left and right sound channels is removed to voice It carries out.

5. wireless K as described in claim 1 sings earphone, it is characterized in that, the mode to voice removal is first by music signal M's Left and right sound track signals are converted into frequency domain, reuse principal component analytical method and first find out voice and stereo music, then to voice into Row removal.

6. wireless K as described in claim 1 sings earphone, it is characterized in that, the second control unit (15) is triggering button.

7. wireless K as described in claim 1 sings earphone, it is characterized in that, is come from by the second control unit (15) while reception The user human voice signal V of microphone (11), the specific instruction that identification user sends out, controls music effect unit (13).

8. K as described in claim 1 wireless sings earphone, it is characterized in that, the second control unit (15) while receives music signal M With human voice signal V, first the voice in music signal M is extracted, then compares the voice letter in the music signal M extracted Difference number between human voice signal V does not send instructions to music effect unit (13) if difference is more than a preset threshold value Execution goes voice to handle, if difference is less than a preset threshold value, sends instructions to music effect unit (13) execution and goes people Sonication.

9. wireless K as described in claim 1 sings earphone, it is characterized in that, K song earphones (1) also provide user interface, can be by user What selection returned to mobile terminal (2) is untreated dry human voice signal V, processed wet human voice signal V ' or audio mixing letter Number M '+V '.

10. the wireless K as described in one of claim 1-9 sings earphone, it is characterized in that, mobile terminal (2) includes mobile phone, tablet electricity Brain, laptop computer.