CN104954936A - Electronic reading terminal and noise reduction method and system for electronic reading terminal - Google Patents
Electronic reading terminal and noise reduction method and system for electronic reading terminal Download PDFInfo
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- CN104954936A CN104954936A CN201510252995.5A CN201510252995A CN104954936A CN 104954936 A CN104954936 A CN 104954936A CN 201510252995 A CN201510252995 A CN 201510252995A CN 104954936 A CN104954936 A CN 104954936A
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Abstract
The invention provides an electronic reading terminal and a noise reduction method and system for the electronic reading terminal. The electronic reading terminal comprises at least two microphones and a plurality of loudspeakers in one-to-one correspondence to the microphones. Noise signals from noise sources on the periphery of the electronic reading terminal are circularly acquired by the microphones and analyzed to generate corresponding noise reduction signals; the noise reduction signals are transmitted by the loudspeakers corresponding to the microphones acquiring the noise signals. By the noise reduction method, when a user uses the electronic reading terminal, a mobile phone can generate noise reduction waveforms in a customized manner and transmit the noise reduction waveforms, noise interference is eliminated, and reading environmental experience of the user is improved.
Description
Technical field
The present invention relates to electric terminal technical field, particularly relate to read electronic terminal and the noise-reduction method applied thereof and system.
Background technology
Usually said noise pollution refers to that people is what cause.From physiological point, every interference people rest, study and work and the sound to the sound generation interference that you will listen, namely unwanted sound, is referred to as noise.
For reducing noise is on the impact of surrounding environment and the mankind, main noise control mode is isolated the propagation path of noise source, noise and recipient three or is protected, and is blocked by the energy of noise or absorbs.Such as noise source (motor) installs shockproof spring or rubber additional, absorbs vibration, or coated whole motor.The path of propagating is all generally use soundproof wall to block sonic propagation of making an uproar.And for the protection of recipient, be generally soundproof window, earplug etc.
Present mobile phone noise-reduction method, mostly be used in communication process, principle is abated the noise by filtering chip, main process comprises collection noise, analyzes noise source, produces corresponding filter shape, synthesizes source of students waveform and filter shape in filtering chip, finally in receiver, plays source of students, but existing noise-reduction method, otherwise be exactly simple physical method, although effectively still applicability is not strong, and these facilities are all changeless, can not carry out noise reduction in mobile environment, adaptivity is not strong.
Present mobile phone noise reduction is also be used for communication process, under reading environment and other service conditions of mobile phone, seldom to carry out noise reduction, and noise-reduction method is all generally inside chip carries out Waveform composition, does not utilize outer wave to offset.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide read electronic terminal and the noise-reduction method applied thereof and system, solves variety of problems of the prior art, promotes Consumer's Experience.
For realizing above-mentioned target and other related objectives, the invention provides a kind of noise-reduction method being applied to read electronic terminal, described read electronic terminal comprises: at least two microphones and with each microphone multiple loud speaker one to one, described method comprises: cyclically gather the noise signal from described read electronic terminal surrounding noise source by each described microphone; The noise signal that analysis gathers is to generate corresponding de-noising signal; Loud speaker corresponding to the microphone corresponding to the described noise signal of collection sends described de-noising signal.
Optionally, the opposite end of described read electronic terminal is located at by described two microphones.
Optionally, described loud speaker is consistent with described read electronic terminal demonstration direction in mobile terminal direction of being arranged to speak.
Optionally, the described noise-reduction method being applied to read electronic terminal, also comprises: the position being obtained noise source by the collection of described noise signal, and makes described loud speaker send described de-noising signal towards described noise source.
Optionally, described read electronic terminal comprises: mobile phone, panel computer or notebook computer.
For realizing above-mentioned target and other related objectives, the invention provides a kind of noise reduction system being applied to read electronic terminal, described read electronic terminal comprises: at least two microphones and with each microphone multiple loud speaker one to one, described system comprises: Noise Acquisition module, for cyclically being gathered the noise signal from described read electronic terminal surrounding noise source by each described microphone; Noise analysis module, for analyzing gathered noise signal to generate corresponding de-noising signal; De-noising signal sending module, sends described de-noising signal for the loud speaker corresponding to the microphone corresponding to the described noise signal of collection.
Optionally, the opposite end of described read electronic terminal is located at by described two microphones.
Optionally, described loud speaker is consistent with described read electronic terminal demonstration direction in mobile terminal direction of being arranged to speak.
Optionally, the described noise reduction system being applied to read electronic terminal, also comprise: noise position acquisition module, for being obtained the position of noise source by the collection of described noise signal, and described loud speaker is made to send described de-noising signal towards described noise source by described de-noising signal sending module.
Optionally, described read electronic terminal comprises: mobile phone, panel computer or notebook computer.
For realizing above-mentioned target and other related objectives, the invention provides a kind of read electronic terminal, comprising: at least one pair of microphone, for the noise signal by cyclically gathering from described read electronic terminal surrounding noise source; Processor, for analyzing gathered noise signal to generate corresponding de-noising signal; With each microphone multiple loud speaker one to one, for sending the de-noising signal of the noise signal that corresponding microphone gathers.
As mentioned above, the invention provides read electronic terminal and the noise-reduction method applied thereof and system, described read electronic terminal comprises: at least two microphones and with each microphone multiple loud speaker one to one, cyclically gather the noise signal from described read electronic terminal surrounding noise source by each described microphone; The noise signal that analysis gathers is to generate corresponding de-noising signal; Loud speaker corresponding to the microphone corresponding to the described noise signal of collection sends described de-noising signal; Noise-reduction method provided by the invention, be intended to user when use read electronic terminal, mobile phone can be made by oneself and generates and send noise reduction waveform, and abate the noise puzzlement, improves user's reading environment and experiences.
Accompanying drawing explanation
Fig. 1 is shown as the schematic flow sheet being applied to the noise-reduction method of read electronic terminal in one embodiment of the invention.
Fig. 2 is shown as the application schematic diagram of read electronic terminal in one embodiment of the invention.
Fig. 3 is shown as the structural representation being applied to the noise reduction system of read electronic terminal in one embodiment of the invention.
Element numbers explanation
1 noise reduction system being applied to read electronic terminal
11 Noise Acquisition modules
12 noise analysis modules
13 de-noising signal sending modules
S1 ~ S3 method step
Embodiment
Below by way of specific instantiation, embodiments of the present invention are described, those skilled in the art the content disclosed by this specification can understand other advantages of the present invention and effect easily.The present invention can also be implemented or be applied by embodiments different in addition, and the every details in this specification also can based on different viewpoints and application, carries out various modification or change not deviating under spirit of the present invention.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
The present invention is applied to the environment of read electronic terminal, and described read electronic terminal comprises: mobile phone, panel computer or notebook computer etc., is preferably mobile phone.
As shown in Figure 1, the invention provides a kind of noise-reduction method being applied to read electronic terminal, wherein, described read electronic terminal comprises: at least two microphones and with each microphone multiple loud speaker one to one, described method comprises:
Step S1: cyclically gather the noise signal from described read electronic terminal surrounding noise source by each described microphone.
In one embodiment, as shown in Figure 2, the opposite end of described read electronic terminal is located at by described two microphones, such as top and bottom, entirety comprises: mobile terminal, human and environment three main bodys, influence each other between three main bodys, mobile terminal adopts at least dual microphone (MIC) to carry out circle collection environmental noise, namely with a certain frequency period dynamic acquisition, certainly, between each MIC also can mutually interleaved acquisition to save system resource or electricity; It should be noted that, described microphone also can be more, is not limited with the present embodiment.
Step S2: the noise signal that analysis gathers is to generate corresponding de-noising signal.
In one embodiment, noise signal is acoustic signals, namely described analysis analyzes the waveform of noise waves, thus generate the contrary and de-noising signal that frequency is identical of wave amplitude to offset noise signal, this technology is common, the present invention is only at this and utilizes this technology, and the main improvement of the present invention is that many Mikes circle collection noise signal and follow-up corresponding loud speaker are to the broadcasting of de-noising signal; As described in the embodiment of Fig. 2, the processor in read electronic terminal (such as single-chip microprocessor MCU, SoC, digital signal processor (DSP) etc.) can be adopted to have carried out described analysis and generate de-noising signal according to pre-defined algorithm.
Step S3: the loud speaker corresponding to the microphone corresponding to the described noise signal of collection sends described de-noising signal.
In one embodiment, as shown in Figure 2, loud speaker plays de-noising signal towards people, therefore, accomplish this point, preferably, described loud speaker is arranged to speak direction with described read electronic terminal demonstration direction unanimously at mobile terminal, better, in other embodiments, the direction of speaking of described loud speaker can be arranged to become a special angle with electric terminal display screen curtain, thus noise reducing wave energy is launched near people's ear, better effects if.
Sum up above-mentioned, the design advantage of technical solution of the present invention is: adopt two MIC to gather environmental noise, noise reduction waveform is produced according to such as human body acoustic algorithms, noise reduction waveform is sent by loud speaker, and adopt double horn to send noise reduction waveform, meet people's ear to be accustomed to the impression of sound, the noise reduction waveform sent by read electronic terminal and extraneous sound source are carried out overlap and are filtered near people's ear, offset noise ear-piercing in extraneous source of students, and then provide a good mobile phone reading environment for user, improve Consumer's Experience.
In another embodiment, preferably, also can comprise: the position being obtained noise source by the collection of described noise signal, and make described loud speaker send described de-noising signal towards described noise source, specifically, noise sound wave by gathering come estimated noise spacing from, and send the noise that corresponding de-noising signal directly offsets noise source and also can.
As shown in Figure 3, similar with above-mentioned noise-reduction method know-why, the invention provides a kind of noise reduction system 1 being applied to read electronic terminal, because the technical characteristic in said method embodiment can be applicable to described system embodiment, therefore ins and outs are not repeated; Described read electronic terminal comprises: at least two microphones and with each microphone multiple loud speaker one to one, described system 1 comprises: Noise Acquisition module 11, for cyclically being gathered the noise signal from described read electronic terminal surrounding noise source by each described microphone; Noise analysis module 12, for analyzing gathered noise signal to generate corresponding de-noising signal; De-noising signal sending module 13, sends described de-noising signal for the loud speaker corresponding to the microphone corresponding to the described noise signal of collection.
It should be noted that, in the present embodiment, each functional module all realizes by the software processing module be equipped on read electronic terminal hardware, such as: described mobile terminal adopts Android operation system, and described noise reduction system 1 can be the application program being equipped on Android operation system; Also can be realized by special functional circuit, such as Noise Acquisition module correspondence connects the sample circuit of microphone, noise analysis module corresponding single-chip microcomputer DSP, MCU or SoC chip etc., corresponding D/A converting circuit of de-noising signal sending module etc.
In one embodiment, the opposite end of described read electronic terminal is located at by described two microphones.
In one embodiment, described loud speaker is consistent with described read electronic terminal demonstration direction in mobile terminal direction of being arranged to speak.
In one embodiment, the described noise reduction system being applied to read electronic terminal, also comprise: noise position acquisition module, for being obtained the position of noise source by the collection of described noise signal, and described loud speaker is made to send described de-noising signal towards described noise source by described de-noising signal sending module.
Similar to above-mentioned principle, can as shown in Figure 2, the present invention also can provide a kind of read electronic terminal, comprising: at least one pair of microphone, for the noise signal by cyclically gathering from described read electronic terminal surrounding noise source; Processor, for analyzing gathered noise signal to generate corresponding de-noising signal; With each microphone multiple loud speaker one to one, for sending the de-noising signal of the noise signal that corresponding microphone gathers.
In the above-described embodiments, described read electronic terminal comprises: mobile phone, panel computer or notebook computer.
In sum, the invention provides read electronic terminal and the noise-reduction method applied thereof and system, described read electronic terminal comprises: at least two microphones and with each microphone multiple loud speaker one to one, cyclically gather the noise signal from described read electronic terminal surrounding noise source by each described microphone; The noise signal that analysis gathers is to generate corresponding de-noising signal; Loud speaker corresponding to the microphone corresponding to the described noise signal of collection sends described de-noising signal; Noise-reduction method provided by the invention, be intended to user when use read electronic terminal, mobile phone can be made by oneself and generates and send noise reduction waveform, and abate the noise puzzlement, improves user's reading environment and experiences.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (11)
1. be applied to a noise-reduction method for read electronic terminal, it is characterized in that, described read electronic terminal comprises: at least two microphones and with each microphone multiple loud speaker one to one, described method comprises:
The noise signal from described read electronic terminal surrounding noise source is cyclically gathered by each described microphone;
The noise signal that analysis gathers is to generate corresponding de-noising signal;
Loud speaker corresponding to the microphone corresponding to the described noise signal of collection sends described de-noising signal.
2. the noise-reduction method being applied to read electronic terminal according to claim 1, is characterized in that, the opposite end of described read electronic terminal is located at by described two microphones.
3. the noise-reduction method being applied to read electronic terminal according to claim 1, is characterized in that, described loud speaker is consistent with described read electronic terminal demonstration direction in mobile terminal direction of being arranged to speak.
4. the noise-reduction method being applied to read electronic terminal according to claim 1, be is characterized in that, also comprise: the position being obtained noise source by the collection of described noise signal, and makes described loud speaker send described de-noising signal towards described noise source.
5. the noise-reduction method being applied to read electronic terminal according to claim 1, is characterized in that, described read electronic terminal comprises: mobile phone, panel computer or notebook computer.
6. be applied to a noise reduction system for read electronic terminal, it is characterized in that, described read electronic terminal comprises: at least two microphones and with each microphone multiple loud speaker one to one, described system comprises:
Noise Acquisition module, for cyclically gathering the noise signal from described read electronic terminal surrounding noise source by each described microphone;
Noise analysis module, for analyzing gathered noise signal to generate corresponding de-noising signal;
De-noising signal sending module, sends described de-noising signal for the loud speaker corresponding to the microphone corresponding to the described noise signal of collection.
7. the noise reduction system being applied to read electronic terminal according to claim 6, is characterized in that, the opposite end of described read electronic terminal is located at by described two microphones.
8. the noise reduction system being applied to read electronic terminal according to claim 6, is characterized in that, described loud speaker is consistent with described read electronic terminal demonstration direction in mobile terminal direction of being arranged to speak.
9. the noise reduction system being applied to read electronic terminal according to claim 6, it is characterized in that, also comprise: noise position acquisition module, for being obtained the position of noise source by the collection of described noise signal, and described loud speaker is made to send described de-noising signal towards described noise source by described de-noising signal sending module.
10. the noise reduction system being applied to read electronic terminal according to claim 6, is characterized in that, described read electronic terminal comprises: mobile phone, panel computer or notebook computer.
11. 1 kinds of read electronic terminals, is characterized in that, comprising:
At least one pair of microphone, for the noise signal by cyclically gathering from described read electronic terminal surrounding noise source;
Processor, for analyzing gathered noise signal to generate corresponding de-noising signal;
With each microphone multiple loud speaker one to one, for sending the de-noising signal of the noise signal that corresponding microphone gathers.
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| CN201510252995.5A CN104954936A (en) | 2015-05-18 | 2015-05-18 | Electronic reading terminal and noise reduction method and system for electronic reading terminal |
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| CN201510252995.5A CN104954936A (en) | 2015-05-18 | 2015-05-18 | Electronic reading terminal and noise reduction method and system for electronic reading terminal |
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| CN106131754A (en) * | 2016-06-30 | 2016-11-16 | 广东美的制冷设备有限公司 | Group technology between many equipment and device |
| CN107959912A (en) * | 2017-11-20 | 2018-04-24 | 东华大学 | A kind of multifunctional sound box with two kinds of noise reducing sound box and noise reducer |
| CN109660893A (en) * | 2017-10-10 | 2019-04-19 | 英业达科技有限公司 | Noise absorber and method of canceling noise |
| CN111083250A (en) * | 2018-10-22 | 2020-04-28 | 中兴通讯股份有限公司 | Mobile terminal and noise reduction method thereof |
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Application publication date: 20150930 |