CN103581385A - Mobile terminal with sound attenuation function and method for conducting sound attenuation through mobile terminal - Google Patents

Mobile terminal with sound attenuation function and method for conducting sound attenuation through mobile terminal Download PDF

Info

Publication number
CN103581385A
CN103581385A CN201210277920.9A CN201210277920A CN103581385A CN 103581385 A CN103581385 A CN 103581385A CN 201210277920 A CN201210277920 A CN 201210277920A CN 103581385 A CN103581385 A CN 103581385A
Authority
CN
China
Prior art keywords
mobile terminal
acoustic signals
user
noise reduction
voice signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201210277920.9A
Other languages
Chinese (zh)
Other versions
CN103581385B (en
Inventor
李婧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Baidu Netcom Science and Technology Co Ltd
Original Assignee
Beijing Baidu Netcom Science and Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Baidu Netcom Science and Technology Co Ltd filed Critical Beijing Baidu Netcom Science and Technology Co Ltd
Priority to CN201210277920.9A priority Critical patent/CN103581385B/en
Publication of CN103581385A publication Critical patent/CN103581385A/en
Application granted granted Critical
Publication of CN103581385B publication Critical patent/CN103581385B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Telephone Function (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Telephone Set Structure (AREA)

Abstract

The invention provides a mobile terminal with the sound attenuation function and a method for conducting sound attenuation through the mobile terminal. The mobile terminal comprises a shell, a voice receiving module, an analysis module and a vibration module, wherein the voice receiving module is used for receiving a voice signal input by a user, the analysis module is used for processing and analyzing the voice signal to generate a corresponding sound wave signal, and calculating an inverse wave signal according to the sound wave signal, the inverse wave signal is used for offsetting the sound wave signal, and the vibration module is used for generating vibration according to the inverse wave signal to eliminate diffusion of the voice signal. According to the mobile terminal, due to the fact that the vibration is used for generating the vibration according to the inverse wave signal capable of offsetting the sound wave signal so as to eliminate the diffusion of the voice signal corresponding to the sound wave signal, other workers in the environment where the mobile terminal is located can not hear the voice input by the user, the privacy of the user is protected, and user experience is improved.

Description

There is the mobile terminal of silencing function and the method for carrying out noise reduction by mobile terminal
Technical field
The present invention relates to mobile terminal manufacturing technology field, particularly a kind of have the mobile terminal of silencing function and a method of carrying out noise reduction by mobile terminal.
Background technology
At present, voice command and vocie personal assistant are widely applied in terminal.But, while using voice to control terminal, because sound wave can spread in air, make other people in environment be easy to the content of knowing that user inputs, user's privacy can not get good assurance.
Noise elimination technique is mainly used in pistol and industrial environment, and applied environment limitation, therefore need to consider the problems such as environment broadness, and amount of calculation is large, and sound source occurs complicated, is unfavorable for being positioned in mobile terminal.
Summary of the invention
The present invention is intended at least one of solve the problems of the technologies described above.
For this reason, one object of the present invention is to propose a kind of basis and can offsets the anti-ripple signal of acoustic signals and produce vibration to eliminate the diffusion of the voice signal that acoustic signals is corresponding with the mobile terminal with silencing function of protection privacy of user.
Another object of the present invention is to propose a kind of method of carrying out noise reduction by mobile terminal.
To achieve these goals, according to the mobile terminal with silencing function of the embodiment of first aspect present invention, comprise: housing; Phonetic incepting module, for receiving the voice signal of user's input; Analysis module, for described voice signal being processed and analyzed to generate corresponding acoustic signals, and calculates anti-ripple signal according to described acoustic signals, and described anti-ripple signal is used for offsetting described acoustic signals; And vibration module, for producing vibration to eliminate the diffusion of described voice signal according to described anti-ripple signal.
According to the mobile terminal with silencing function of the embodiment of the present invention; by vibration module, according to the anti-ripple signal that can offset acoustic signals, produce vibration to eliminate the diffusion of the voice signal that acoustic signals is corresponding; make the other staff in mobile terminal environment of living in cannot hear the voice that user inputs; protection user's privacy, promotes user's experience
To achieve these goals, according to the method for carrying out noise reduction by mobile terminal of the embodiment of second aspect present invention, comprise the following steps: the voice signal that receives user's input; According to described voice signal, generate acoustic signals; According to described acoustic signals, calculate anti-ripple signal, wherein, described anti-ripple signal is used for offsetting described acoustic signals; And produce vibration to eliminate the diffusion of described voice signal according to described anti-ripple signal.
According to the method for carrying out noise reduction by mobile terminal of the embodiment of the present invention; according to the anti-ripple signal that can offset acoustic signals, produce vibration to eliminate the diffusion of the voice signal that acoustic signals is corresponding; make the other staff in mobile terminal environment of living in cannot hear the voice that user inputs; protection user's privacy, promotes user's experience.
The aspect that the present invention is additional and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is the structured flowchart according to an embodiment of the invention with the mobile terminal of silencing function;
Fig. 2 is the structured flowchart according to an embodiment of the invention with the mobile terminal of silencing function;
Fig. 3 is the structured flowchart according to an embodiment of the invention with the mobile terminal of silencing function;
Fig. 4 carries out the flow chart of the method for noise reduction according to an embodiment of the invention by mobile terminal;
Fig. 5 carries out the flow chart of the method for noise reduction according to an embodiment of the invention by mobile terminal; And
Fig. 6 carries out the flow chart of the method for noise reduction according to an embodiment of the invention by mobile terminal.
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, only for explaining the present invention, and can not be interpreted as limitation of the present invention.On the contrary, embodiments of the invention comprise spirit and all changes within the scope of intension, modification and the equivalent that falls into additional claims.
In description of the invention, it will be appreciated that, term " first ", " second " etc. are only for describing object, and can not be interpreted as indication or hint relative importance.In description of the invention, it should be noted that, unless otherwise clearly defined and limited, term " is connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connects integratedly; Can be mechanical connection, can be to be also electrically connected to; Can be to be directly connected, also can indirectly be connected by intermediary.For the ordinary skill in the art, can concrete condition understand above-mentioned term concrete meaning in the present invention.In addition,, in description of the invention, except as otherwise noted, the implication of " a plurality of " is two or more.
In flow chart or any process of otherwise describing at this or method describe and can be understood to, represent to comprise that one or more is for realizing module, fragment or the part of code of executable instruction of the step of specific logical function or process, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can be not according to order shown or that discuss, comprise according to related function by the mode of basic while or by contrary order, carry out function, this should be understood by embodiments of the invention person of ordinary skill in the field.
Below with reference to accompanying drawing, describe according to the mobile terminal with silencing function of the embodiment of the present invention and the method for carrying out noise reduction by mobile terminal.
A mobile terminal with silencing function, comprising: housing; Phonetic incepting module, for receiving the voice signal of user's input; Analysis module, for voice signal being processed to and analyzed to generate corresponding acoustic signals, and calculates anti-ripple signal according to acoustic signals, and anti-ripple signal is used for offsetting acoustic signals; And vibration module, for producing vibration according to anti-ripple signal to eliminate the diffusion of voice signal.
Fig. 1 is the structured flowchart according to an embodiment of the invention with the mobile terminal of silencing function.
As shown in Figure 1, according to the mobile terminal with silencing function of the embodiment of the present invention, comprise: housing 10, phonetic incepting module 20, analysis module 30 and vibration module 40.
Particularly, housing 10 is for fixing and support the various modules of mobile terminal.
Phonetic incepting module 20 is for receiving the voice signal of user's input.Wherein, phonetic incepting module 20 can be that the internal or external Mike of mobile terminal, earphone etc. are for receiving the device of voice.
Analysis module 30 is for voice signal being processed to and analyzed to generate corresponding acoustic signals, and calculates anti-ripple signal according to acoustic signals, and anti-ripple signal is used for offsetting acoustic signals.Wherein, the mode that can offset according to sound wave stack according to the amplitude of acoustic signals and frequency produces anti-ripple signal, and the anti-ripple signal producing can be offset corresponding acoustic signals.
Vibration module 40 is for producing vibration to eliminate the diffusion of voice signal according to anti-ripple signal.
According to the mobile terminal with silencing function of the embodiment of the present invention; by vibration module, according to the anti-ripple signal that can offset acoustic signals, produce vibration to eliminate the diffusion of the voice signal that acoustic signals is corresponding; make the other staff in mobile terminal environment of living in cannot hear the voice that user inputs; protection user's privacy, promotes user's experience.
Fig. 2 is the structured flowchart according to an embodiment of the invention with the mobile terminal of silencing function.
As shown in Figure 2, according to the mobile terminal with silencing function of the embodiment of the present invention, comprise: housing 10, phonetic incepting module 20, analysis module 30, vibration module 40 and logging modle 50.
Particularly, housing 10 is for fixing and support the various modules of mobile terminal.
Phonetic incepting module 20 is for receiving the voice signal of user's input.Wherein, phonetic incepting module 20 can be that the internal or external Mike of mobile terminal, earphone etc. are for receiving the device of voice.
Analysis module 30 is for voice signal being processed to and analyzed to generate corresponding acoustic signals, and calculates anti-ripple signal according to acoustic signals, and anti-ripple signal is used for offsetting acoustic signals.Wherein, the mode that can offset according to sound wave stack according to the amplitude of acoustic signals and frequency produces anti-ripple signal, and the anti-ripple signal producing can be offset corresponding acoustic signals.
Vibration module 40 is for producing vibration to eliminate the diffusion of voice signal according to anti-ripple signal.
Logging modle 50 is for the average acoustic signals of recording user, and vibration module 40 is when mobile terminal initially enters noise reduction pattern, according to user's average acoustic signals, produces anti-ripple signal.Wherein, before user input voice signal, according to the mutual of user, user's voice being sampled, and according to average acoustic signals of generation of sample, when user opens noise reduction pattern and when user also there is no input speech signal, vibration module 40 can produce anti-ripple signal to eliminate the diffusion of the voice signal not received by phonetic incepting module 20 according to average acoustic signals.
According to the mobile terminal with silencing function of the embodiment of the present invention; the average acoustic signals recording according to logging modle 50; vibration module 40 can produce anti-ripple signal according to user's average acoustic signals when mobile terminal initially enters noise reduction pattern; can eliminate to a certain extent the sound that user loquiturs send when but mobile terminal does not receive; further protection user's privacy, promotes user's experience.
In one embodiment of the invention, analysis module 30 also, for according to the acoustic signals of user's input, the frequency of anti-ripple signal and/or amplitude being adjusted, can be eliminated follow-up sound thus more effectively.
Fig. 3 is the structured flowchart according to an embodiment of the invention with the mobile terminal of silencing function.
As shown in Figure 3, according to the mobile terminal with silencing function of the embodiment of the present invention, comprise: housing 10, phonetic incepting module 20, analysis module 30, vibration module 40, logging modle 50, holding section 60 and sound collection unit 70.
Particularly, housing 10 is for fixing and support the various modules of mobile terminal.Holding section 60 is arranged on housing 10, and sound collecting portion 70 is removably fixed on housing 10 by holding section 60.
Phonetic incepting module 20 is for receiving the voice signal of user's input.Wherein, phonetic incepting module 20 can be that the internal or external Mike of mobile terminal, earphone etc. are for receiving the device of voice.
Analysis module 30 is for voice signal being processed to and analyzed to generate corresponding acoustic signals, and calculates anti-ripple signal according to acoustic signals, and anti-ripple signal is used for offsetting acoustic signals.Wherein, the mode that can offset according to sound wave stack according to the amplitude of acoustic signals and frequency produces anti-ripple signal, and the anti-ripple signal producing can be offset corresponding acoustic signals.
Vibration module 40 is for producing vibration to eliminate the diffusion of voice signal according to anti-ripple signal.
Logging modle 50 is for the average acoustic signals of recording user, and vibration module 40 is when mobile terminal initially enters noise reduction pattern, according to user's average acoustic signals, produces anti-ripple signal.Wherein, bring into use the mobile terminal of the embodiment of the present invention user before, according to the mutual of user, user's voice being sampled, and according to average acoustic signals of generation of sample, when user opens noise reduction pattern and when user also there is no input speech signal, vibration module 40 can produce anti-ripple signal to eliminate the diffusion of the voice signal not received by phonetic incepting module 20 according to average acoustic signals.
Sound collecting portion 70 is corresponding with phonetic incepting module 20, and sound collecting portion 70 has the channel of acoustic wave communicating with phonetic incepting module, and the voice signal outside 70 pairs of channel of acoustic wave of sound collecting portion carries out noise reduction.Wherein, sound collecting portion 70 is tubaeform, and sound collecting portion 70 is made by quieter material.
According to the mobile terminal with silencing function of the embodiment of the present invention, by sound collecting portion, can eliminate the noise of environment.
Fig. 4 carries out the flow chart of the method for noise reduction according to an embodiment of the invention by mobile terminal.
As shown in Figure 4, according to the method for carrying out noise reduction by mobile terminal of the embodiment of the present invention, comprise the steps.
Step S101, receives the voice signal that user inputs.
Particularly, can for receiving the device of voice, receive according to the internal or external Mike of mobile terminal, earphone etc. the voice signal of user's input.
Step S102, generates acoustic signals according to voice signal.
Wherein, can process and analyze to generate corresponding acoustic signals to voice signal.
Step S103, calculates anti-ripple signal according to acoustic signals, and wherein, anti-ripple signal is used for offsetting acoustic signals.
Particularly, the mode that can offset according to sound wave stack according to the amplitude of acoustic signals and frequency produces anti-ripple signal, and the anti-ripple signal producing can be offset corresponding acoustic signals.
In one embodiment of the invention, according to the acoustic signals of user's input, the frequency of anti-ripple signal and/or amplitude are adjusted.Can more effectively eliminate follow-up sound thus.
Step S104, produces vibration to eliminate the diffusion of voice signal according to anti-ripple signal.
According to the method for carrying out noise reduction by mobile terminal of the embodiment of the present invention; according to the anti-ripple signal that can offset acoustic signals, produce vibration to eliminate the diffusion of the voice signal that acoustic signals is corresponding; make the other staff in mobile terminal environment of living in cannot hear the voice that user inputs; protection user's privacy, promotes user's experience.
Fig. 5 carries out the flow chart of the method for noise reduction according to an embodiment of the invention by mobile terminal.
As shown in Figure 5, according to the method for carrying out noise reduction by mobile terminal of the embodiment of the present invention, comprise the steps.
Step S201, the average acoustic signals of recording user.
Particularly, before user brings into use mobile terminal, according to the mutual of user, user's voice being sampled, and according to average acoustic signals of generation of sample, and record this average acoustic signals.
Step S202, when mobile terminal initially enters noise reduction pattern, produces anti-ripple signal according to user's average acoustic signals.
Particularly, when user opens noise reduction pattern and when user also there is no input voice information, can produce anti-ripple signal to eliminate the not diffusion of received voice signal according to average acoustic signals.
Step S203, receives the voice signal that user inputs.
Step S204, generates acoustic signals according to voice signal.
Step S205, calculates anti-ripple signal according to acoustic signals, and wherein, anti-ripple signal is used for offsetting acoustic signals.
Step S206, produces vibration to eliminate the diffusion of voice signal according to anti-ripple signal.
According to the method for carrying out noise reduction by mobile terminal of the embodiment of the present invention; according to average acoustic signals; when initially entering noise reduction pattern, mobile terminal can produce anti-ripple signal according to user's average acoustic signals; can eliminate to a certain extent the sound that user loquiturs send when but mobile terminal does not receive; further protection user's privacy, promotes user's experience.
Fig. 6 carries out the flow chart of the method for noise reduction according to an embodiment of the invention by mobile terminal.
As shown in Figure 6, according to the method for carrying out noise reduction by mobile terminal of the embodiment of the present invention, comprise the steps.
Step S301, the average acoustic signals of recording user.
Particularly, before user brings into use mobile terminal, according to the mutual of user, user's voice being sampled, and according to average acoustic signals of generation of sample, and record this average acoustic signals.
Step S302, when mobile terminal initially enters noise reduction pattern, produces anti-ripple signal according to user's average acoustic signals.
Particularly, when user opens noise reduction pattern and when user also there is no input voice information, can produce anti-ripple signal to eliminate the not diffusion of received voice signal according to average acoustic signals.
Step S303, receives the voice signal that user inputs.
Step S304, generates acoustic signals according to voice signal.
Step S305, calculates anti-ripple signal according to acoustic signals, and wherein, anti-ripple signal is used for offsetting acoustic signals.
Step S306, produces vibration to eliminate the diffusion of voice signal according to anti-ripple signal.
Step S307, carries out noise reduction according to sound collecting portion to the voice signal outside the channel of acoustic wave of reception user input voice signal, and wherein, sound collecting portion is removably fixed on the housing of mobile terminal by holding section, and holding section is arranged on housing.
In one embodiment of the invention, sound collecting portion is tubaeform, wherein by quieter material, is made.
In one embodiment of the invention, step S307 can at any time implement.As long as use this function, can utilize sound collecting portion at any time the noise in environment to be eliminated.
According to the method for carrying out noise reduction by mobile terminal of the embodiment of the present invention, by sound collecting portion, can eliminate the noise of environment.
Should be appreciated that in an embodiment of the present invention, mobile terminal can be the hardware device that mobile phone, panel computer, personal digital assistant, e-book etc. have various operating systems.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, a plurality of steps or method can realize with being stored in memory and by software or the firmware of suitable instruction execution system execution.For example, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: have for data-signal being realized to the discrete logic of the logic gates of logic function, the application-specific integrated circuit (ASIC) with suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is by claims and be equal to and limit.

Claims (12)

1. a mobile terminal with silencing function, is characterized in that, comprising:
Housing;
Phonetic incepting module, for receiving the voice signal of user's input;
Analysis module, for described voice signal being processed and analyzed to generate corresponding acoustic signals, and calculates anti-ripple signal according to described acoustic signals, and described anti-ripple signal is used for offsetting described acoustic signals; And
Vibration module, for producing vibration to eliminate the diffusion of described voice signal according to described anti-ripple signal.
2. the mobile terminal with silencing function as claimed in claim 1, is characterized in that, also comprises:
Logging modle, for recording described user's average acoustic signals, and described vibration module is when described mobile terminal initially enters noise reduction pattern, according to described user's average acoustic signals, produces described anti-ripple signal.
3. the mobile terminal with silencing function as claimed in claim 2, is characterized in that, described analysis module is also for adjusting the frequency of described anti-ripple signal and/or amplitude according to the described acoustic signals of described user's input.
4. the mobile terminal with silencing function as described in claim 1-3 any one, is characterized in that, also comprises:
Holding section, described holding section is arranged on described housing; And
Sound collecting portion, described sound collecting portion is removably fixed on described housing by described holding section, and described sound collecting portion is corresponding with described phonetic incepting module, described sound collecting portion has the channel of acoustic wave communicating with described phonetic incepting module, and described sound collecting portion carries out noise reduction to the voice signal outside described channel of acoustic wave.
5. the mobile terminal with silencing function as described in claim 1-4 any one, is characterized in that, described sound collecting portion is tubaeform.
6. the mobile terminal with silencing function as described in claim 1-5 any one, is characterized in that, described sound collecting portion is made by quieter material.
7. by mobile terminal, carry out a method for noise reduction, it is characterized in that, comprise the following steps:
Receive the voice signal of user's input;
According to described voice signal, generate acoustic signals;
According to described acoustic signals, calculate anti-ripple signal, wherein, described anti-ripple signal is used for offsetting described acoustic signals; And
According to described anti-ripple signal, produce vibration to eliminate the diffusion of described voice signal.
8. method of carrying out noise reduction by mobile terminal as claimed in claim 7, is characterized in that, also comprises step:
Record described user's average acoustic signals; And
When described mobile terminal initially enters noise reduction pattern, according to described user's average acoustic signals, produce described anti-ripple signal.
9. method of carrying out noise reduction by mobile terminal as claimed in claim 8, is characterized in that, according to the described acoustic signals of described user's input, the frequency of described anti-ripple signal and/or amplitude is adjusted.
10. the method for carrying out noise reduction by mobile terminal as described in claim 7-9 any one, is characterized in that, also comprises step:
According to sound collecting portion, the voice signal outside the channel of acoustic wave of described reception user input voice signal is carried out to noise reduction, wherein, described sound collecting portion is removably fixed on by holding section on the housing of mobile terminal, and described holding section is arranged on described housing.
11. methods of carrying out noise reduction by mobile terminal as described in claim 7-10 any one, is characterized in that, described sound collecting portion is tubaeform.
12. methods of carrying out noise reduction by mobile terminal as described in claim 7-11 any one, is characterized in that, described sound collecting portion is made by quieter material.
CN201210277920.9A 2012-08-06 2012-08-06 The mobile terminal with silencing function and the method carrying out noise reduction by mobile terminal Active CN103581385B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210277920.9A CN103581385B (en) 2012-08-06 2012-08-06 The mobile terminal with silencing function and the method carrying out noise reduction by mobile terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210277920.9A CN103581385B (en) 2012-08-06 2012-08-06 The mobile terminal with silencing function and the method carrying out noise reduction by mobile terminal

Publications (2)

Publication Number Publication Date
CN103581385A true CN103581385A (en) 2014-02-12
CN103581385B CN103581385B (en) 2016-06-15

Family

ID=50052288

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210277920.9A Active CN103581385B (en) 2012-08-06 2012-08-06 The mobile terminal with silencing function and the method carrying out noise reduction by mobile terminal

Country Status (1)

Country Link
CN (1) CN103581385B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105763697A (en) * 2014-12-19 2016-07-13 武君 Active sound-cancelling and muting call communication device
CN106205596A (en) * 2016-07-14 2016-12-07 乐视控股(北京)有限公司 A kind of noise reduction method, silencing means and there is the audible device of this device
CN106531144A (en) * 2016-10-27 2017-03-22 朱育盼 Noise reduction method and device
CN110972029A (en) * 2019-11-25 2020-04-07 Oppo广东移动通信有限公司 Directional sound production device and method and electronic equipment
CN113992772A (en) * 2021-10-12 2022-01-28 维沃移动通信有限公司 Electronic equipment and audio signal processing method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0751619A1 (en) * 1995-06-30 1997-01-02 Nec Corporation Noise cancelling method and noise canceller
CN1538718A (en) * 2003-04-18 2004-10-20 摩托罗拉公司 Method and system of automatic preventing talking listened by another microphone
CN201114260Y (en) * 2007-07-29 2008-09-10 吴利明 Microphone silencer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0751619A1 (en) * 1995-06-30 1997-01-02 Nec Corporation Noise cancelling method and noise canceller
CN1538718A (en) * 2003-04-18 2004-10-20 摩托罗拉公司 Method and system of automatic preventing talking listened by another microphone
CN201114260Y (en) * 2007-07-29 2008-09-10 吴利明 Microphone silencer

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105763697A (en) * 2014-12-19 2016-07-13 武君 Active sound-cancelling and muting call communication device
CN106205596A (en) * 2016-07-14 2016-12-07 乐视控股(北京)有限公司 A kind of noise reduction method, silencing means and there is the audible device of this device
CN106531144A (en) * 2016-10-27 2017-03-22 朱育盼 Noise reduction method and device
CN110972029A (en) * 2019-11-25 2020-04-07 Oppo广东移动通信有限公司 Directional sound production device and method and electronic equipment
CN113992772A (en) * 2021-10-12 2022-01-28 维沃移动通信有限公司 Electronic equipment and audio signal processing method thereof
CN113992772B (en) * 2021-10-12 2024-03-01 维沃移动通信有限公司 Electronic equipment and audio signal processing method thereof

Also Published As

Publication number Publication date
CN103581385B (en) 2016-06-15

Similar Documents

Publication Publication Date Title
US11295760B2 (en) Method, apparatus, system and storage medium for implementing a far-field speech function
CN103581385A (en) Mobile terminal with sound attenuation function and method for conducting sound attenuation through mobile terminal
KR101538756B1 (en) Mobile device and method for outputting sound wave to control external device, and the external device
CN106782613B (en) Signal detection method and device
CN103152480B (en) Method and device for arrival prompt by mobile terminal
KR102151433B1 (en) Adaptive solid hearing system according to environmental changes and noise changes, and the method thereof
CN102957986A (en) Audio apparatus and audio controller thereof
CN107154256B (en) Sound masking system based on sound source positioning and self-adaptive adjusting method
CN205754811U (en) Mobile terminal and audio frequency processing system thereof
US20200120429A1 (en) Terminal, and operation method for terminal
CN109346053B (en) Noise reduction device, control method and control device
CN103684773A (en) Secret lock device, portable terminal and audio unlocking method based on portable terminal
CN110830866A (en) Voice assistant awakening method and device, wireless earphone and storage medium
CN112073862B (en) Digital processor, microphone assembly and method for detecting keyword
CN113053368A (en) Speech enhancement method, electronic device, and storage medium
CN104349241A (en) Earphone and information processing method
CN110782884B (en) Far-field pickup noise processing method, device, equipment and storage medium
US11694700B2 (en) Method, apparatus and device for processing sound signal
CN102608931B (en) System and method for controlling electronic equipment
CN203435044U (en) Wristband type electronic device
CN104464746A (en) Voice filtering method and device and electron equipment
EP2997720B1 (en) Reduced acoustic coupling
CN112911062B (en) Voice processing method, control device, terminal device and storage medium
KR100746003B1 (en) Apparatus for converting analogue signals of array microphone to digital signal and computer system including the same
CN107957860A (en) Can adjust automatically sound output method and electronic device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant