CN103581385B - The mobile terminal with silencing function and the method carrying out noise reduction by mobile terminal - Google Patents
The mobile terminal with silencing function and the method carrying out noise reduction by mobile terminal Download PDFInfo
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- CN103581385B CN103581385B CN201210277920.9A CN201210277920A CN103581385B CN 103581385 B CN103581385 B CN 103581385B CN 201210277920 A CN201210277920 A CN 201210277920A CN 103581385 B CN103581385 B CN 103581385B
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Abstract
The present invention proposes a kind of mobile terminal with silencing function and the method carrying out noise reduction by mobile terminal, and wherein said mobile terminal includes: housing; Speech reception module, for receiving the voice signal of user's input; Analysis module, for voice signal processes and analyzes 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 the vibration diffusion to eliminate voice signal according to anti-ripple signal. Mobile terminal according to embodiments of the present invention; the vibration diffusion to eliminate voice signal corresponding to acoustic signals is produced according to the anti-ripple signal that can offset acoustic signals by vibration module; make the other staff in mobile terminal local environment cannot hear the voice that user inputs; the privacy of protection user, promotes the experience of user.
Description
Technical field
The present invention relates to mobile terminal manufacturing technology field, particularly to a kind of mobile terminal with silencing function and the method that carries out noise reduction by mobile terminal.
Background technology
At present, voice command and vocie personal assistant are widely applied in the terminal. But, use voice when terminal is manipulated, because sound wave can be diffused in atmosphere so that other people in environment are easy to know the content that user inputs, and the privacy of user can not get good guarantee.
Noise elimination technique is mainly used in pistol and industrial environment, and applied environment limits to, it is therefore desirable to considering the problems such as environment broadness, computationally intensive, complexity occurs sound source, is unfavorable for being positioned in mobile terminal.
Summary of the invention
It is contemplated that at least solve one of above-mentioned technical problem.
For this, it is an object of the present invention to propose a kind of basis and can offset the anti-ripple signal of acoustic signals and produce vibration and spread the mobile terminal with silencing function to protect privacy of user with what eliminates voice signal corresponding to acoustic signals.
Further object is that a kind of method carrying out noise reduction by mobile terminal of proposition.
To achieve these goals, the mobile terminal with silencing function of embodiment according to a first aspect of the present invention includes: housing; Speech reception module, for receiving the voice signal of user's input; Analysis module, for described voice signal processes and analyzes 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 the vibration diffusion to eliminate described voice signal according to described anti-ripple signal.
The mobile terminal with silencing function according to embodiments of the present invention; the vibration diffusion to eliminate voice signal corresponding to acoustic signals is produced according to the anti-ripple signal that can offset acoustic signals by vibration module; make the other staff in mobile terminal local environment cannot hear the voice that user inputs; the privacy of protection user, promotes the experience of user
To achieve these goals, the carrying out the method for noise reduction by mobile terminal and comprise the following steps of embodiment according to a second aspect of the present invention: receive the voice signal of user's input; Acoustic signals is generated according to described voice signal; Calculating anti-ripple signal according to described acoustic signals, wherein, described anti-ripple signal is used for offsetting described acoustic signals; And produce the vibration diffusion to eliminate described voice signal according to described anti-ripple signal.
The method carrying out noise reduction by mobile terminal according to embodiments of the present invention; the vibration diffusion to eliminate voice signal corresponding to acoustic signals is produced according to the anti-ripple signal that can offset acoustic signals; make the other staff in mobile terminal local environment cannot hear the voice that user inputs; the privacy of protection user, promotes the experience of user.
Aspect and advantage that the present invention adds will part provide in the following description, and part will become apparent from the description below, or is recognized by the practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage are from conjunction with will be apparent from easy to understand the accompanying drawings below description to embodiment, wherein:
Fig. 1 is the structured flowchart of the mobile terminal according to an embodiment of the invention with silencing function;
Fig. 2 is the structured flowchart of the mobile terminal according to an embodiment of the invention with silencing function;
Fig. 3 is the structured flowchart of the mobile terminal according to an embodiment of the invention with silencing function;
Fig. 4 is the flow chart of the method being carried out noise reduction according to an embodiment of the invention by mobile terminal;
Fig. 5 is the flow chart of the method being carried out noise reduction according to an embodiment of the invention by mobile terminal; And
Fig. 6 is the flow chart of the method being carried out noise reduction according to an embodiment of the invention by mobile terminal.
Detailed description of the invention
Being described below in detail embodiments of the invention, 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 same or like function from start to finish. The embodiment described below with reference to accompanying drawing is illustrative of, and is only used for explaining the present invention, and is not considered as limiting the invention. On the contrary, all changes within the scope of embodiments of the invention include falling into attached claims spirit and intension, amendment and equivalent.
In describing the invention, it is to be understood that term " first ", " second " etc. only for descriptive purposes, and it is not intended that instruction or hint relative importance. In describing the invention, it is necessary to explanation, unless otherwise clearly defined and limited, term " being connected ", " connection " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly; Can be mechanically connected, it is also possible to be electrical connection; Can be joined directly together, it is also possible to be indirectly connected to by intermediary. For the ordinary skill in the art, it is possible to concrete condition understands above-mentioned term concrete meaning in the present invention. Additionally, in describing the invention, except as otherwise noted, " multiple " are meant that two or more.
Describe in flow chart or in this any process described otherwise above or method and be construed as, represent and include the module of code of executable instruction of one or more step for realizing specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press order that is shown or that discuss, including according to involved function by basic mode simultaneously or in the opposite order, performing function, this should be understood by embodiments of the invention person of ordinary skill in the field.
Below with reference to the accompanying drawings the mobile terminal with silencing function according to embodiments of the present invention and the method carrying out noise reduction by mobile terminal are described.
A kind of mobile terminal with silencing function, including: housing; Speech reception module, for receiving the voice signal of user's input; Analysis module, for voice signal processes and analyzes 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 the vibration diffusion to eliminate voice signal according to anti-ripple signal.
Fig. 1 is the structured flowchart of the mobile terminal according to an embodiment of the invention with silencing function.
As it is shown in figure 1, the mobile terminal with silencing function according to embodiments of the present invention includes: housing 10, speech reception module 20, analysis module 30 and vibration module 40.
Specifically, housing 10 is for fixing and support the various modules of mobile terminal.
Speech reception module 20 is for receiving the voice signal of user's input. Wherein, speech reception module 20 can be the device for receiving voice such as the internal or external Mike of mobile terminal, earphone.
Analysis module 30 is for processing to voice signal and analyze 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 it is possible to amplitude and frequency according to acoustic signals produce anti-ripple signal according to the mode that sound wave superposition offsets, produced anti-ripple signal can offset the acoustic signals of correspondence.
Vibration module 40 is for producing the vibration diffusion to eliminate voice signal according to anti-ripple signal.
The mobile terminal with silencing function according to embodiments of the present invention; the vibration diffusion to eliminate voice signal corresponding to acoustic signals is produced according to the anti-ripple signal that can offset acoustic signals by vibration module; make the other staff in mobile terminal local environment cannot hear the voice that user inputs; the privacy of protection user, promotes the experience of user.
Fig. 2 is the structured flowchart of the mobile terminal according to an embodiment of the invention with silencing function.
As in figure 2 it is shown, the mobile terminal with silencing function according to embodiments of the present invention includes: housing 10, speech reception module 20, analysis module 30, vibration module 40 and logging modle 50.
Specifically, housing 10 is for fixing and support the various modules of mobile terminal.
Speech reception module 20 is for receiving the voice signal of user's input. Wherein, speech reception module 20 can be the device for receiving voice such as the internal or external Mike of mobile terminal, earphone.
Analysis module 30 is for processing to voice signal and analyze 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 it is possible to amplitude and frequency according to acoustic signals produce anti-ripple signal according to the mode that sound wave superposition offsets, produced anti-ripple signal can offset the acoustic signals of correspondence.
Vibration module 40 is for producing the vibration diffusion to eliminate voice signal according to anti-ripple signal.
Logging modle 50 is for recording the average acoustic signals of user, and vibration module 40 is when mobile terminal initially enters cancellation mode, produces anti-ripple signal according to the average acoustic signals of user. Wherein, before user input voice signal, it is sampled according to the mutual voice to user with user, and one the average acoustic signals of generation according to sample, when user opens cancellation mode and user but without input speech signal time, vibration module 40 can produce anti-ripple signal to eliminate the diffusion of voice signal that do not received by speech reception module 20 according to average acoustic signals.
The mobile terminal with silencing function according to embodiments of the present invention; according to the average acoustic signals that logging modle 50 records; vibration module 40 can produce anti-ripple signal according to the average acoustic signals of user when mobile terminal initially enters cancellation mode; user can be eliminated to a certain extent loquitur the sound sent when but mobile terminal does not receive; protect the privacy of user further, promote the experience of user.
In one embodiment of the invention, frequency and/or the amplitude of anti-ripple signal are adjusted by the acoustic signals that analysis module 30 is additionally operable to according to user's input, thus can more efficiently eliminate follow-up sound.
Fig. 3 is the structured flowchart of the mobile terminal according to an embodiment of the invention with silencing function.
As it is shown on figure 3, the mobile terminal with silencing function according to embodiments of the present invention includes: housing 10, speech reception module 20, analysis module 30, vibration module 40, logging modle 50, holding section 60 and sound collecting portion 70.
Specifically, 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 attached on housing 10 by holding section 60.
Speech reception module 20 is for receiving the voice signal of user's input. Wherein, speech reception module 20 can be the device for receiving voice such as the internal or external Mike of mobile terminal, earphone.
Analysis module 30 is for processing to voice signal and analyze 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 it is possible to amplitude and frequency according to acoustic signals produce anti-ripple signal according to the mode that sound wave superposition offsets, produced anti-ripple signal can offset the acoustic signals of correspondence.
Vibration module 40 is for producing the vibration diffusion to eliminate voice signal according to anti-ripple signal.
Logging modle 50 is for recording the average acoustic signals of user, and vibration module 40 is when mobile terminal initially enters cancellation mode, produces anti-ripple signal according to the average acoustic signals of user. Wherein, before user begins to use the mobile terminal of the embodiment of the present invention, it is sampled according to the mutual voice to user with user, and one the average acoustic signals of generation according to sample, when user opens cancellation mode and user but without input speech signal time, vibration module 40 can produce anti-ripple signal to eliminate the diffusion of voice signal that do not received by speech reception module 20 according to average acoustic signals.
Sound collecting portion 70 is corresponding with speech reception module 20, and sound collecting portion 70 has the channel of acoustic wave communicated with speech reception module, and the voice signal outside channel of acoustic wave is carried out noise reduction by sound collecting portion 70. Wherein, sound collecting portion 70 is tubaeform, and sound collecting portion 70 is made up of quieter material.
The mobile terminal with silencing function according to embodiments of the present invention, can eliminate the noise of environment by sound collecting portion.
Fig. 4 is the flow chart of the method being carried out noise reduction according to an embodiment of the invention by mobile terminal.
As shown in Figure 4, carrying out the method for noise reduction by mobile terminal and comprise the steps according to embodiments of the present invention.
Step S101, receives the voice signal of user's input.
Specifically, it is possible to receive the voice signal of user's input for the device receiving voice according to the internal or external Mike of mobile terminal, earphone etc.
Step S102, generates acoustic signals according to voice signal.
Wherein it is possible to voice signal is processed and analyzes to generate corresponding acoustic signals.
Step S103, calculates anti-ripple signal according to acoustic signals, and wherein, anti-ripple signal is used for offsetting acoustic signals.
Specifically, it is possible to produce anti-ripple signal according to the amplitude of acoustic signals and frequency according to the mode that sound wave superposition offsets, produced anti-ripple signal can offset the acoustic signals of correspondence.
In one embodiment of the invention, frequency and/or the amplitude of anti-ripple signal are adjusted by the acoustic signals according to user's input. Thus can more efficiently eliminate follow-up sound.
Step S104, produces the vibration diffusion to eliminate voice signal according to anti-ripple signal.
The method carrying out noise reduction by mobile terminal according to embodiments of the present invention; the vibration diffusion to eliminate voice signal corresponding to acoustic signals is produced according to the anti-ripple signal that can offset acoustic signals; make the other staff in mobile terminal local environment cannot hear the voice that user inputs; the privacy of protection user, promotes the experience of user.
Fig. 5 is the flow chart of the method being carried out noise reduction according to an embodiment of the invention by mobile terminal.
As it is shown in figure 5, carrying out the method for noise reduction by mobile terminal and comprise the steps according to embodiments of the present invention.
Step S201, the average acoustic signals of record user.
Specifically, before user begins to use mobile terminal, it is sampled according to the mutual voice to user with user, and one the average acoustic signals of generation according to sample, and record this average acoustic signals.
Step S202, when mobile terminal initially enters cancellation mode, produces anti-ripple signal according to the average acoustic signals of user.
Specifically, when user opens cancellation mode and user but without input voice information time, it is possible to produce anti-ripple signal to eliminate the diffusion of voice signal not received according to average acoustic signals.
Step S203, receives the voice signal of user's input.
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 the vibration diffusion to eliminate voice signal according to anti-ripple signal.
The method carrying out noise reduction by mobile terminal according to embodiments of the present invention; according to average acoustic signals; anti-ripple signal can be produced according to the average acoustic signals of user when mobile terminal initially enters cancellation mode; user can be eliminated to a certain extent loquitur the sound sent when but mobile terminal does not receive; protect the privacy of user further, promote the experience of user.
Fig. 6 is the flow chart of the method being carried out noise reduction according to an embodiment of the invention by mobile terminal.
As shown in Figure 6, carrying out the method for noise reduction by mobile terminal and comprise the steps according to embodiments of the present invention.
Step S301, the average acoustic signals of record user.
Specifically, before user begins to use mobile terminal, it is sampled according to the mutual voice to user with user, and one the average acoustic signals of generation according to sample, and record this average acoustic signals.
Step S302, when mobile terminal initially enters cancellation mode, produces anti-ripple signal according to the average acoustic signals of user.
Specifically, when user opens cancellation mode and user but without input voice information time, it is possible to produce anti-ripple signal to eliminate the diffusion of voice signal not received according to average acoustic signals.
Step S303, receives the voice signal of user's input.
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 the vibration diffusion to eliminate voice signal according to anti-ripple signal.
Step S307, according to sound collecting portion to receive user input voice signal channel of acoustic wave outside voice signal carry out noise reduction, wherein, sound collecting portion is removably attached 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, is wherein made up of quieter material.
In one embodiment of the invention, step S307 can at any time implement. As long as namely using this function, it is possible to use the noise in environment is eliminated by sound collecting portion at any time.
The method carrying out noise reduction by mobile terminal according to embodiments of the present invention, can eliminate the noise of environment by sound collecting portion.
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 system.
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, multiple steps or method can realize with the storage software or firmware in memory and by suitable instruction execution system execution. Such as, 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: there is the discrete logic of logic gates for data signal realizes logic function, there is the special IC of suitable combination logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment or the example of the present invention. In this manual, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example. And, the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, being appreciated that and these embodiments can be carried out multiple change, amendment, replacement and modification without departing from the principles and spirit of the present invention, the scope of the invention and equivalency.
Claims (10)
1. a mobile terminal with silencing function, it is characterised in that including:
Housing;
Speech reception module, for receiving the voice signal of user's input;
Analysis module, for described voice signal processes and analyzes 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;
Vibration module, for producing the vibration diffusion to eliminate described voice signal according to described anti-ripple signal; And
Logging modle, for recording the average acoustic signals of described user, and described vibration module is when described mobile terminal initially enters cancellation mode, average acoustic signals according to described user produces described anti-ripple signal, wherein, described housing is used for fixing and support described speech reception module, described analysis module, described vibration module and described logging modle.
2. there is the mobile terminal of silencing function as claimed in claim 1, it is characterised in that frequency and/or the amplitude of described anti-ripple signal are adjusted by the described acoustic signals that described analysis module is additionally operable to according to described user inputs.
3. the mobile terminal with silencing function as described in any one of claim 1-2, it is characterised in that also include:
Holding section, described holding section is arranged on described housing; And
Sound collecting portion, described sound collecting portion is removably attached on described housing by described holding section, and described sound collecting portion is corresponding with described speech reception module, described sound collecting portion has the channel of acoustic wave communicated with described speech reception module, and the voice signal outside described channel of acoustic wave is carried out noise reduction by described sound collecting portion.
4. there is the mobile terminal of silencing function as claimed in claim 3, it is characterised in that described sound collecting portion is tubaeform.
5. there is the mobile terminal of silencing function as claimed in claim 3, it is characterised in that described sound collecting portion is made up of quieter material.
6. the method carrying out noise reduction by mobile terminal, it is characterised in that comprise the following steps:
Receive the voice signal of user's input;
Acoustic signals is generated according to described voice signal;
Calculating anti-ripple signal according to described acoustic signals, wherein, described anti-ripple signal is used for offsetting described acoustic signals;
The vibration diffusion to eliminate described voice signal is produced according to described anti-ripple signal;
Record the average acoustic signals of described user; And
When described mobile terminal initially enters cancellation mode, produce described anti-ripple signal according to the average acoustic signals of described user.
7. the method carrying out noise reduction by mobile terminal as claimed in claim 6, it is characterised in that frequency and/or the amplitude of described anti-ripple signal are adjusted according to the described acoustic signals that described user inputs.
8. the method carrying out noise reduction by mobile terminal as described in any one of claim 6-7, it is characterised in that further comprise the steps of:
Noise reduction is carried out according to the voice signal outside the sound collecting portion channel of acoustic wave to described reception user input voice signal, wherein, described sound collecting portion is removably attached on the housing of mobile terminal by holding section, and described holding section is arranged on described housing.
9. the method carrying out noise reduction by mobile terminal as claimed in claim 8, it is characterised in that described sound collecting portion is tubaeform.
10. the method carrying out noise reduction by mobile terminal as claimed in claim 8, it is characterised in that described sound collecting portion is made up of quieter material.
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| 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 |
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| 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 |
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| CN103581385B true CN103581385B (en) | 2016-06-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN110972029B (en) * | 2019-11-25 | 2021-05-07 | Oppo广东移动通信有限公司 | Directional sound production device and electronic equipment |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2685031B2 (en) * | 1995-06-30 | 1997-12-03 | 日本電気株式会社 | Noise cancellation method and noise cancellation device |
| 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 |
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