CN204750032U - Voice data collection system - Google Patents
Voice data collection system Download PDFInfo
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- CN204750032U CN204750032U CN201520465426.4U CN201520465426U CN204750032U CN 204750032 U CN204750032 U CN 204750032U CN 201520465426 U CN201520465426 U CN 201520465426U CN 204750032 U CN204750032 U CN 204750032U
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Abstract
An embodiment of the utility model provides a voice data collection system is suitable for the configuration on the sunshading board of car. Voice data collection system including radio reception module, audio frequency switching module, the module of making an uproar, state sensor and status switching module are fallen, wherein according to the position transform of surveying the sunshading board, the first microphone and the audio acquisition mode of second microphone of radio reception module are transferred to the change over switch developments, let fall the module of making an uproar and can carry out noise reduction according to the voice data and the noise data of gathering, and obtain high -quality, net voice data to improve speech recognition's success rate.
Description
Technical field
The utility model embodiment relates to voice data processing technology field, particularly relates to a kind of Phonetic Data Acquisition System.
Background technology
Along with the development of science and technology, speech-sound intelligent recognition technology is more and more ripe, in vehicle environment, increasing man-machine interaction mode is realized by speech recognition technology, but in vehicle environment, due to the existence of some disturbing factors, pure special quality audio-source data can be provided to become the key factor improving phonetic recognization rate.
Current car-mounted device, in the collection of voice data, is generally position microphone being placed on observation mirror in car or console.Because observation mirror deviate from the position of operator's saddle, cause in radio reception far away with audio-source, be difficult to collect special quality audio-source data, and another kind is fixed on the configuration mode on console, except with audio-source comparatively far ultraviolet, the vibrations produced in traveling process in vapour and the interference ratio of air conditioner noises are comparatively large, have a strong impact on the collection of voice data.Therefore, by observation mirror or console station acquisition to voice data inferior can affect the speech recognition effect of onboard system, cause discrimination low, affect Consumer's Experience.
Utility model content
The utility model embodiment provides a kind of Phonetic Data Acquisition System, in order to solve in prior art car-mounted device in the collection of voice data, the voice data inferior collected affects the speech recognition effect of onboard system, cause discrimination low, affect the problem of Consumer's Experience, realize the high success rate looking speech recognition.
The utility model embodiment provides a kind of Phonetic Data Acquisition System, is suitable for being configured on the sun shield of automobile, and sun shield can overturn between its normal orientation and control position.Phonetic Data Acquisition System comprises radio module, Audio conversion module, noise reduction module, state sensor and state handover module.Radio module comprises the first microphone and second microphone, is arranged at the relative two side faces of sun shield respectively.Audio conversion module comprises audio frequency main channel, audio frequency subaisle and change-over switch, and change-over switch is coupled between radio module and audio frequency main channel and between radio module and audio frequency subaisle.Noise reduction module is coupled to audio frequency main channel and audio frequency subaisle.State sensor is arranged on sun shield.State handover module is respectively coupled to state sensor, change-over switch and noise reduction module.Wherein, when sun shield is positioned at its normal orientation, audio frequency main channel is coupled to the first microphone, and audio frequency subaisle is coupled to second microphone; And when sun shield is positioned at control position, audio frequency main channel is coupled to second microphone, and audio frequency subaisle is coupled to the first microphone.
Further, in above-mentioned Phonetic Data Acquisition System, state sensor is weight sensor.
Further, in above-mentioned Phonetic Data Acquisition System, state sensor is optical sensor.
The Phonetic Data Acquisition System that the utility model embodiment provides, by the dynamic transfer of the first microphone and second microphone, the interference allowing noise reduction module significantly can reduce noise data when carrying out noise reduction process to cause speech data, thus special quality, pure speech data can be obtained, the data of high-quality can be provided for audio recognition algorithm, the success ratio of final raising speech recognition, and the gravimetric efficiency in vehicle mounted call process can be improved.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the utility model sun shield embodiment plan sketch;
Fig. 2 is the utility model Phonetic Data Acquisition System embodiment diagram of block.
Label declaration:
10 Phonetic Data Acquisition Systems
110 radio module 111 first microphone 112 second microphones
120 Audio conversion module 121 audio frequency main channel 122 audio frequency subaisles
123 change-over switch 130 noise reduction module 140 state sensors
150 state handover modules
20 sun shields
210 axostylus axostyle 220 plate bodys
P1 its normal orientation
P2 control position
Detailed description of the invention
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, Phonetic Data Acquisition System 10 disclosed by the embodiment of the present application is suitable for being configured on the sun shield 20 of automobile, in order to collect the voice data in automobile, and the such as voice data such as call sound and environmental noise, therefore, the voice data in automobile has comprised speech data and noise data.In addition, general sun shield 20 is arranged on the top ceiling in automobile, especially corresponds to the position of skipper's seat.Sun shield 20 by an axostylus axostyle 210 by plate body 220 pivot joint on the ceiling, thus plate body 220 can be overturn between its normal orientation P1 and control position P2, and wherein when plate body 220 is positioned at its normal orientation P1, sun shield 20 collapses on top ceiling; And when plate body 220 turn to control position P2, sun shield 20 covered the Windshield upper limb of automobile.
Please refer to Fig. 1 and Fig. 2, Phonetic Data Acquisition System 10 comprises radio module 110, Audio conversion module 120, noise reduction module 130, state sensor 140 and state handover module 150.Radio module 110 comprises the first microphone 111 and second microphone 112, is arranged at respectively on the plate body 220 of sun shield 20, and lays respectively at the relative two side faces of plate body 220, in order to gather the voice data in automobile.Audio conversion module 120 comprises voice-grade channel and the change-over switch 123 such as audio frequency main channel 121 and audio frequency subaisle 122, audio frequency main channel 121 is in order to receive and to transmit voice data, audio frequency subaisle 122 only receives and transmits noise data, and change-over switch 123 is respectively coupled to radio module 110, between audio frequency main channel 121 and audio frequency subaisle 122, in order to switch audio frequency main channel 121 and audio frequency subaisle 122, one of them is coupled to the first microphone 111, and another is coupled to second microphone 112.Such as, under general state, audio frequency main channel 121 is coupled to the first microphone 111 by change-over switch 123, and audio frequency subaisle 122 is coupled to second microphone 112, thus by noise data that the first microphone 111 is gathered the voice data in automobile and gathered by second microphone 112 in automobile; Or under certain conditions, change-over switch 123 switches audio frequency main channel 121 and is coupled to second microphone 112, and switch audio frequency subaisle 122 and be coupled to the first microphone 111, thus by voice data that the first microphone 111 is gathered the noise data in automobile and gathered by second microphone 112 in automobile.
Noise reduction module 130 is coupled to audio frequency main channel 121 and the audio frequency subaisle 122 of Audio conversion module 120, in order to from audio frequency main channel 121 audio reception data; And receive noise data from audio frequency subaisle 122, and noise reduction process is carried out to voice data, wherein the mode of noise reduction process is according to the noise data in noise data comparison voice data, and draw the frequency range of noise data, thus the frequency range of noise data in attenuation audio data, the interference of noise data to speech data is made to be down to minimum, so that obtain the voice data had after the noise reduction process of high-quality speech data, and then be sent to state handover module 150 and carry out speech recognition program.Therefore, state handover module 150 includes central process unit (CPU), wherein, the central process unit of state handover module 150 can be the central process unit of the control device be configured on console, also can be the central process unit of the vehicle-mounted voice verbal system be placed on sun shield or Cigarette lighter, more than just in order to casehistory, not as limit.State handover module 150 is respectively coupled to the change-over switch 123 of noise reduction module 130 and Audio conversion module 120, respectively in order to receive the voice data after noise reduction process from noise reduction module 130 and control change-over switch 123 switch audio frequency main channel 121 and audio frequency subaisle 122 respectively with the coupling access status of the first microphone 111 and second microphone 112.
State sensor 140 is arranged on the plate body 220 of sun shield 20, and is coupled to state handover module 150.State sensor 140 is positioned at its normal orientation P1 in order to the plate body 220 detecting sun shield 20 or turn to control position P2, and testing result is sent to state handover module 150, allows state handover module 150 can control according to testing result the changeover program that change-over switch 123 carries out voice-grade channel.
Wherein, when the plate body 220 of sun shield 20 is positioned at its normal orientation P1, operator's saddle direction in the first microphone 111 lucky face automobile of radio module 110, second microphone 112 is then towards the top ceiling in automobile, now, state handover module 150 controls change-over switch 123 and audio frequency main channel 121 is switched to the position being coupled to the first microphone 111, and audio frequency subaisle 122 is switched to the position being coupled to second microphone 112, the first microphone 111 is made can better to receive the sound signal coming from operator's saddle direction, thus collect the speech data of better quality, now, because second microphone 112 is comparatively far away apart from the direction of operator's saddle, in order to the noise data in responsible collection automobile, so that as basic value during follow-up tonal range comparison.
On the contrary, when the plate body 220 of sun shield 20 is positioned at control position P2, first microphone 111 of radio module 110 is flipped to the direction towards top ceiling, and second microphone 112 is intended for operator's saddle direction, therefore, state handover module 150 controls change-over switch 123 and audio frequency main channel 121 is switched to the position being coupled to second microphone 112, and audio frequency subaisle 122 is switched to the position being coupled to the first microphone 111, so that received the sound signal coming from operator's saddle direction by second microphone 112, thus collect the speech data of better quality; And the noise data gathered by the first microphone 111 in automobile, so that be sent to noise reduction module 130 to carry out noise reduction process, thus obtain the voice data after there is the noise reduction process of high-quality speech data.
What deserves to be explained is, in the embodiment of the present application, state sensor 140 can be weight sensor or optical sensor, but not as limit.When state sensor 140 is weight sensor, change in gravitational acceleration when state sensor is overturn by the plate body 220 of sun shield 20 and the position after overturning are detected sun shield 20 and are positioned at its normal orientation P1 or control position P2.When state sensor 140 is optical sensor, it can be arranged on the same side with the first microphone 111 or second microphone 112 on the plate body 220 of sun shield 20, such as, when state sensor 140 is arranged on the same side with second microphone 112, because the first microphone 111 is towards operator's saddle, second microphone 112 is towards top ceiling, the light intensity of side plate body 220 being positioned at second microphone 112 is less than be positioned at the side of the first microphone 111, thus when sun shield 20 turn to from its normal orientation P1 in the process of control position P2, the light intensity causing state sensor 140 to receive fades to incandescent from pole blackout, and the change of light intensity detected, thus testing result is sent to state handover module 150 to carry out the switching of voice-grade channel.
Device embodiment described above is only schematic, the wherein said unit illustrated as separating component or can may not be and physically separates, parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed on multiple network element.Some or all of module wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.Those of ordinary skill in the art, when not paying performing creative labour, are namely appreciated that and implement.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that each embodiment can add required general hardware platform by software and realize, and can certainly pass through hardware.Based on such understanding, technique scheme can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product can store in a computer-readable storage medium, as ROM/RAM, magnetic disc, CD etc., comprising some instructions in order to make a computer equipment (can be Personal Computer, server, or the network equipment etc.) perform the method described in some part of each embodiment or embodiment.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (3)
1. a Phonetic Data Acquisition System, is suitable for being configured on the sun shield of automobile, and described sun shield can overturn between its normal orientation and control position, it is characterized in that, described Phonetic Data Acquisition System comprises:
Radio module, comprises the first microphone and second microphone, is arranged at the relative two side faces of described sun shield respectively;
Audio conversion module, comprises audio frequency main channel, audio frequency subaisle and change-over switch, described audio frequency main channel, and described change-over switch is coupled between described radio module and described audio frequency main channel and between described radio module and described audio frequency subaisle;
Noise reduction module, is coupled to described audio frequency main channel and described audio frequency subaisle;
State sensor, is arranged on described sun shield; And
State handover module, is respectively coupled to described state sensor, described change-over switch and described noise reduction module;
Wherein, when described sun shield is positioned at described its normal orientation, described audio frequency main channel is coupled to described first microphone, and described audio frequency subaisle is coupled to described second microphone; And when described sun shield is positioned at described control position, described audio frequency main channel is coupled to described second microphone, and described audio frequency subaisle is coupled to described first microphone.
2. Phonetic Data Acquisition System according to claim 1, is characterized in that, described state sensor is weight sensor.
3. Phonetic Data Acquisition System according to claim 1, is characterized in that, described state sensor is optical sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520465426.4U CN204750032U (en) | 2015-06-30 | 2015-06-30 | Voice data collection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520465426.4U CN204750032U (en) | 2015-06-30 | 2015-06-30 | Voice data collection system |
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| CN204750032U true CN204750032U (en) | 2015-11-11 |
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| CN201520465426.4U Expired - Fee Related CN204750032U (en) | 2015-06-30 | 2015-06-30 | Voice data collection system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108574907A (en) * | 2017-03-09 | 2018-09-25 | 蒂雅克股份有限公司 | Audio recorders |
| US10308099B1 (en) * | 2018-07-10 | 2019-06-04 | Ford Global Technologies, Llc | Sun visor assembly with integrated microphone |
| CN112075088A (en) * | 2018-05-18 | 2020-12-11 | 索尼公司 | Signal processing device, signal processing method, and program |
-
2015
- 2015-06-30 CN CN201520465426.4U patent/CN204750032U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108574907A (en) * | 2017-03-09 | 2018-09-25 | 蒂雅克股份有限公司 | Audio recorders |
| CN108574907B (en) * | 2017-03-09 | 2020-09-04 | 蒂雅克股份有限公司 | Sound recorder |
| CN112075088A (en) * | 2018-05-18 | 2020-12-11 | 索尼公司 | Signal processing device, signal processing method, and program |
| CN112075088B (en) * | 2018-05-18 | 2022-06-28 | 索尼公司 | Signal processing apparatus, signal processing method, and computer readable medium |
| US11386904B2 (en) | 2018-05-18 | 2022-07-12 | Sony Corporation | Signal processing device, signal processing method, and program |
| US10308099B1 (en) * | 2018-07-10 | 2019-06-04 | Ford Global Technologies, Llc | Sun visor assembly with integrated microphone |
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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 |
Granted publication date: 20151111 Termination date: 20170630 |
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| CF01 | Termination of patent right due to non-payment of annual fee |