CN205232299U - Intelligent terminal based on recording of optical sensor harmony microphone - Google Patents
Intelligent terminal based on recording of optical sensor harmony microphone Download PDFInfo
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- CN205232299U CN205232299U CN201520957427.0U CN201520957427U CN205232299U CN 205232299 U CN205232299 U CN 205232299U CN 201520957427 U CN201520957427 U CN 201520957427U CN 205232299 U CN205232299 U CN 205232299U
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- intelligent terminal
- optical pickocff
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Abstract
The utility model discloses an intelligent terminal of optical sensor harmony microphone recording, include: the intelligent terminal body, the setting is at this internal circuit board of intelligent terminal, setting data signal treater on the circuit board, that be used for turning into analog signal data signal, setting acoustics microphone on the intelligent terminal body, that be used for gathering the voice signal, the acoustics microphone is connected with digital signal processor, setting optical sensor on the intelligent terminal body, that be used for gathering prescribed distance within range vibration signal, optical sensor and digital signal processor are connected, the setting on the circuit board, be used for planning the controller with the digital rotary die that data signal turned into analog signal, digital rotary die plans the controller and is connected with the data signal treater. The utility model discloses an audio signal, the clear recording file of synthetic effect are at last gathered through the acoustics microphone in order to acquire audio signal simultaneously to the facial skin vibrations of optical sensor precision measurement.
Description
Technical field
The utility model relates to recording device technical field, in particular a kind of intelligent terminal based on optical pickocff and acoustics microphone location.
Background technology
Fast universal along with handheld device, user for the function of equipment and intelligentized requirement more and more higher.Sound-recording function is the standard configuration of all handheld devices, but the quality of recording and the function of recording are all similar, and namely quality cannot ensure, function is dull, causes the sound-recording function of handheld device cannot compared with the sound pick-up outfit special with other.
Current MEMS microphone is more and more used in handheld device, in view of the electric property that it is higher, and higher audio performance, improve recording quality, there are use two omni-directional microphone at present and their position designed to the computational analysis simultaneously utilizing audio frequency coprocessor to the environmental noise entered, and eliminate unwanted environmental noise, the solution of recording quality can be promoted further.Although this method has started generally to use.But when noise volume and noise become large, two built-in EMC or MEMS microphone signal quality also can decline thereupon, current is ignore the sound from side by beamforming technology (i.e. multi-microphone array beam forming technique) cardinal principle, due to the non-directiveness of noise and echo, also likely from the noise at the rear of speaker, and algorithm is when the ability of the quality impression detection speech activity of input signal, prior art cannot overcome transient noise at present in addition.
Therefore, prior art has yet to be improved and developed.
Utility model content
In view of above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of intelligent terminal based on optical pickocff and acoustics microphone location, to be intended to solve in prior art the defect that cannot realize large-size screen monitors intelligent terminal optional position clicking operation by one-handed performance.
The technical solution of the utility model is as follows:
Based on an intelligent terminal for optical pickocff and acoustics microphone location, wherein, comprising:
Intelligent terminal body;
Be arranged on the intrinsic circuit board of described intelligent terminal;
Be arranged on described circuit board, for analog signal being converted into the digital signal processor of digital signal;
Be arranged on described intelligent terminal body, for the acoustic microphones of collected sound signal, described acoustic microphones is connected with described digital signal processor;
Be arranged on described intelligent terminal body, for gathering the optical pickocff of vibration signal within the scope of distance to a declared goal, described optical pickocff is connected with described digital signal processor;
Be arranged on described circuit board, turn analog controller for numeral digital signal being converted into analog signal, described numeral turns analog controller and is connected with described digital signal processor.
The described intelligent terminal based on optical pickocff and acoustics microphone location, wherein, also comprises:
Be arranged on described circuit board, for the baseband processor of baseband coding/decoding, acoustic coding and speech coding, described baseband processor is connected with described digital signal processor.
The described intelligent terminal based on optical pickocff and acoustics microphone location, wherein, also comprises:
Be arranged on described circuit board, for the baseband application processors of coding of graphics, Video coding, described baseband application processors is connected with described digital signal processor.
The described intelligent terminal based on optical pickocff and acoustics microphone location, wherein, also comprises:
Be arranged on described circuit board, for the radio frequency receiver of received RF signal, described radio frequency receiver is connected with described baseband processor;
Be arranged on described circuit board, for launching after radiofrequency signal amplification radio frequency amplifier, described radio frequency amplifier is connected with described radio frequency receiver;
Be arranged on described intelligent terminal body, for receiving or the radio-frequency antenna of emitting radio frequency signal, described radio-frequency antenna is connected with described radio frequency amplifier.
The described intelligent terminal based on optical pickocff and acoustics microphone location, wherein, described acoustic microphones is EMC microphone or MEMS microphone.
The described intelligent terminal based on optical pickocff and acoustics microphone location, wherein, the number of described acoustic microphones is 2.
The described intelligent terminal based on optical pickocff and acoustics microphone location, wherein, the number of described optical pickocff is 1.
The intelligent terminal of optical pickocff described in the utility model and acoustics microphone location, comprising: intelligent terminal body; Be arranged on the intrinsic circuit board of described intelligent terminal; Be arranged on described circuit board, for analog signal being converted into the digital signal processor of digital signal; Be arranged on described intelligent terminal body, for the acoustic microphones of collected sound signal, described acoustic microphones is connected with described digital signal processor; Be arranged on described intelligent terminal body, for gathering the optical pickocff of vibration signal within the scope of distance to a declared goal, described optical pickocff is connected with described digital signal processor; Be arranged on described circuit board, turn analog controller for numeral digital signal being converted into analog signal, described numeral turns analog controller and is connected with described digital signal processor.The utility model accurately measures skin of face vibrations to obtain audio signal by optical pickocff, gathers audio signal, last synthetic effect recording file clearly by acoustic microphones simultaneously.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the intelligent terminal preferred embodiment of optical pickocff described in the utility model and acoustics microphone location.
Embodiment
The utility model provides the intelligent terminal of a kind of optical pickocff and acoustics microphone location, for making the purpose of this utility model, technical scheme and effect clearly, clearly, further describes below to the utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1, Fig. 1 is the structured flowchart of the intelligent terminal preferred embodiment of optical pickocff described in the utility model and acoustics microphone location.As shown in Figure 1, the intelligent terminal of described optical pickocff and acoustics microphone location comprises:
Intelligent terminal body 100;
Be arranged on the intrinsic circuit board 200 of described intelligent terminal;
Be arranged on described circuit board 200, for analog signal being converted into the digital signal processor 210 of digital signal;
Be arranged on described intelligent terminal body 100, for the acoustic microphones 110 of collected sound signal, described acoustic microphones 110 is connected with described digital signal processor 210;
Be arranged on described intelligent terminal body 100, for gathering the optical pickocff 120 of vibration signal within the scope of distance to a declared goal, described optical pickocff 120 is connected with described digital signal processor 210;
Be arranged on described circuit board 200, turn analog controller 220 for numeral digital signal being converted into analog signal, described numeral turns analog controller 220 and is connected with described digital signal processor 210.
During concrete enforcement, described acoustic microphones 110 is EMC microphone or MEMS microphone; The number of described acoustic microphones 110 is 2; The number of described optical pickocff 120 is 1.
In embodiment of the present utility model, except arranging the acoustic microphones 110 comprised in prior art on intelligent terminal body 100, be also provided with the optical pickocff 120 for gathering vibration signal within the scope of distance to a declared goal.Wherein, optical pickocff 120 has very high discrimination, can measuring speed and absolute velocity exactly, and can be long-range and accurately measure the technology of skin of face vibrations, allow wearable electronic installation be furnished with the function of pulse detection, be applicable to the 3-D scanning technology of three-dimensional imaging and gesture identification.
After being provided with acoustic microphones 110 and optical pickocff 120, Recording Process is as follows:
1) start to receive external sound signal by acoustic microphones 110, comprise voice and noise (echo, the low frequency noise that reverberation and needs filter), and measured by the vibration of person for recording's skin of face by optical pickocff 120, and produce the audio signal of benchmark;
2) first carrying out the sampling that analog signal turns digital signal, samples all separately in each road, and is input to digital signal processor 210 and combines the beamforming algorithm loaded, due to the free territory of each voice signal and spatial domain.Each road signal demand is compared with the mathematical model provided in algorithm, picks out the roughly direction of sound, position, loudness, background, quality, far and near, the data of the most mixed characteristic such as tone.Be used as restriction due to an angle can be pre-set before algorithm operation, the data that the voice signal after comparison is changed are screened.The data supported in angle retained, the data outside the angle do not supported carry out anti-ripple suppression and filtration.And the intensity of the sound supporting angle is increased by dynamically adding strong phase and amplitude, then these numerals are carried out re-establishing mathematical model and set up virtual digital space territory and time-domain, then turn analog controller 220 by numeral and carry out exporting sound in angle that hearer easier identification supports, filter voice and the environmental noise of the angle do not supported.
Visible, the analog-to-digital signal processing unit being crossed high accuracy high sampling rate by analog passband signal acoustics and optical input apparatus captured gets digital signal, and delivers in digital signal processor 210 and carry out arithmetic analysis.The facial recognition techniques de-parsing of being gathered wave technology and optical signalling by sound becomes to only have the baseline audio signal of voice, and two-part digital signal is carried out hybrid algorithm parsing.And then filtering out background noise, obtain voice more clearly, because acoustics gathers wave technology, there is directivity reinforcement, what achieve longer-distance sound in preset angle has higher sound pressure signal relative to common microphone, thus better capture sound, thus realize the effect of the super recording in maximum 5 meters.
Preferably, as shown in Figure 1, the described intelligent terminal based on optical pickocff and acoustics microphone location also comprises:
Be arranged on described circuit board 200, for the baseband processor 230 of baseband coding/decoding, acoustic coding and speech coding, described baseband processor 230 is connected with described digital signal processor 210.
Preferably, as shown in Figure 1, the described intelligent terminal based on optical pickocff and acoustics microphone location also comprises:
Be arranged on described circuit board 200, for the baseband application processors 240 of coding of graphics, Video coding, described baseband application processors 240 is connected with described digital signal processor 210.
Preferably, as shown in Figure 1, the described intelligent terminal based on optical pickocff and acoustics microphone location also comprises:
Be arranged on described circuit board 200, for the radio frequency receiver of received RF signal, described radio frequency receiver 250 is connected with described baseband processor 230;
Be arranged on described circuit board 200, for launching after radiofrequency signal amplification radio frequency amplifier 260, described radio frequency amplifier 260 is connected with described radio frequency receiver 250;
Be arranged on described intelligent terminal body 100, for receiving or the radio-frequency antenna 130 of emitting radio frequency signal, described radio-frequency antenna 130 is connected with described radio frequency amplifier 260.
In sum, the intelligent terminal of a kind of optical pickocff described in the utility model and acoustics microphone location, comprising: intelligent terminal body; Be arranged on the intrinsic circuit board of intelligent terminal; Arrange on circuit boards, for analog signal being converted into the digital signal processor of digital signal; Be arranged on intelligent terminal body, for the acoustic microphones of collected sound signal, acoustic microphones is connected with digital signal processor; Be arranged on intelligent terminal body, for gathering the optical pickocff of vibration signal within the scope of distance to a declared goal, optical pickocff is connected with digital signal processor; Arrange on circuit boards, turn analog controller for numeral digital signal being converted into analog signal, numeral turns analog controller and is connected with digital signal processor.The utility model accurately measures skin of face vibrations to obtain audio signal by optical pickocff, gathers audio signal, last synthetic effect recording file clearly by acoustic microphones simultaneously.
Should be understood that; application of the present utility model is not limited to above-mentioned citing; for those of ordinary skills, can be improved according to the above description or convert, all these improve and convert the protection range that all should belong to the utility model claims.
Claims (7)
1., based on an intelligent terminal for optical pickocff and acoustics microphone location, it is characterized in that, comprising:
Intelligent terminal body;
Be arranged on the intrinsic circuit board of described intelligent terminal;
Be arranged on described circuit board, for analog signal being converted into the digital signal processor of digital signal;
Be arranged on described intelligent terminal body, for the acoustic microphones of collected sound signal, described acoustic microphones is connected with described digital signal processor;
Be arranged on described intelligent terminal body, for gathering the optical pickocff of vibration signal within the scope of distance to a declared goal, described optical pickocff is connected with described digital signal processor;
Be arranged on described circuit board, turn analog controller for numeral digital signal being converted into analog signal, described numeral turns analog controller and is connected with described digital signal processor.
2., according to claim 1 based on the intelligent terminal of optical pickocff and acoustics microphone location, it is characterized in that, also comprise:
Be arranged on described circuit board, for the baseband processor of baseband coding/decoding, acoustic coding and speech coding, described baseband processor is connected with described digital signal processor.
3., according to claim 2 based on the intelligent terminal of optical pickocff and acoustics microphone location, it is characterized in that, also comprise:
Be arranged on described circuit board, for the baseband application processors of coding of graphics, Video coding, described baseband application processors is connected with described digital signal processor.
4., according to claim 3 based on the intelligent terminal of optical pickocff and acoustics microphone location, it is characterized in that, also comprise:
Be arranged on described circuit board, for the radio frequency receiver of received RF signal, described radio frequency receiver is connected with described baseband processor;
Be arranged on described circuit board, for launching after radiofrequency signal amplification radio frequency amplifier, described radio frequency amplifier is connected with described radio frequency receiver;
Be arranged on described intelligent terminal body, for receiving or the radio-frequency antenna of emitting radio frequency signal, described radio-frequency antenna is connected with described radio frequency amplifier.
5., according to claim 1 based on the intelligent terminal of optical pickocff and acoustics microphone location, it is characterized in that, described acoustic microphones is EMC microphone or MEMS microphone.
6., according to claim 5 based on the intelligent terminal of optical pickocff and acoustics microphone location, it is characterized in that, the number of described acoustic microphones is 2.
7., according to claim 1 based on the intelligent terminal of optical pickocff and acoustics microphone location, it is characterized in that, the number of described optical pickocff is 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520957427.0U CN205232299U (en) | 2015-11-26 | 2015-11-26 | Intelligent terminal based on recording of optical sensor harmony microphone |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520957427.0U CN205232299U (en) | 2015-11-26 | 2015-11-26 | Intelligent terminal based on recording of optical sensor harmony microphone |
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| CN205232299U true CN205232299U (en) | 2016-05-11 |
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| CN201520957427.0U Expired - Fee Related CN205232299U (en) | 2015-11-26 | 2015-11-26 | Intelligent terminal based on recording of optical sensor harmony microphone |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106131733A (en) * | 2016-08-25 | 2016-11-16 | 歌尔股份有限公司 | Up noise cancelling headphone and the up noise-reduction method of earphone |
| CN107342093A (en) * | 2017-06-07 | 2017-11-10 | 惠州Tcl移动通信有限公司 | A kind of noise reduction process method and system of audio signal |
| CN112731293A (en) * | 2020-12-28 | 2021-04-30 | 杭州电子科技大学 | Non-contact sound and vibration combined detection system and detection method |
| WO2021134201A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Optical bone conduction microphone |
-
2015
- 2015-11-26 CN CN201520957427.0U patent/CN205232299U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106131733A (en) * | 2016-08-25 | 2016-11-16 | 歌尔股份有限公司 | Up noise cancelling headphone and the up noise-reduction method of earphone |
| CN107342093A (en) * | 2017-06-07 | 2017-11-10 | 惠州Tcl移动通信有限公司 | A kind of noise reduction process method and system of audio signal |
| WO2021134201A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Optical bone conduction microphone |
| CN112731293A (en) * | 2020-12-28 | 2021-04-30 | 杭州电子科技大学 | Non-contact sound and vibration combined detection system and detection method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20161126 |