CN102905094A - Voice-controlled television and method for improving voice receiving effect of voice-controlled television - Google Patents
Voice-controlled television and method for improving voice receiving effect of voice-controlled television Download PDFInfo
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- CN102905094A CN102905094A CN2012104153774A CN201210415377A CN102905094A CN 102905094 A CN102905094 A CN 102905094A CN 2012104153774 A CN2012104153774 A CN 2012104153774A CN 201210415377 A CN201210415377 A CN 201210415377A CN 102905094 A CN102905094 A CN 102905094A
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- acoustic control
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Abstract
The invention relates to a voice-controlled television and a method for improving voice receiving effect of the voice-controlled television. The voice-controlled television comprises a television body, wherein a voice receiving device and a sensing unit are arranged in the television body; whether a user exits in the preset distance range of the television body is sensed by the sensing unit; and when the user is sensed, the position of the user relative to the television body and the distance between the user and the television body are also sensed by the sensing unit. The television also comprises a processor, wherein the processor is used for regulating the position of the voice receiving device according to the position of the user relative to the television body and regulating a voice signal received by the voice receiving device according to the distance, sensed by the sensing device, between the user and the television body. The position of the user relative to the television and the distance between the user and the television body are sensed to regulate the position of the voice receiving device and amplify the voice signal so as to improve voice-controlling sound quality. The television can receive more clear voice information, and true voice control is realized.
Description
Technical field
The present invention relates to technical field of television sets, be specifically related to the method for a kind of acoustic control TV set and raising phonetic incepting effect thereof.
Background technology
In recent years, sound control technique is used in has become a kind of trend on the television set, and the television set that is equipped with acoustic control more and more is subjected to liking of people.Present acoustic control TV on the market mainly contains two kinds, and a kind of is that sound receiver such as microphone are installed on the television set body, and a kind of is that sound receiver such as microphone are installed on the remote controller of television set.Sound receiver is installed on the remote controller, and when remote controller was lost or can not find, the voice control function of television set just can't normally be enabled.Sound receiver is installed on the television set body, when the user tends to television set one segment distance is arranged when using television set, be subjected to the impact of this segment distance, the received voice of sound receiver have decay and the certain drop-in of ginseng folder in various degree.So, when the distance of user and television set was excessive, just there was the not high problem of received speech intelligibility in this acoustic control TV, and then caused its voice control function malfunctioning.
Summary of the invention
For solve acoustic control TV set in the prior art the user from television set away from, user's the sound hour relatively poor technical problem of user speech command recognition capability, be necessary to provide a kind of acoustic control TV set that can improve user speech identification.
For achieving the above object, the invention provides a kind of acoustic control TV set, comprise a television set body, the pronunciation receiver for receiving speech information is installed in the described television set body; On the described television set body sensing cell is installed, described sensing cell is used for sensing and whether described television set body has the user in a distance range of presetting, when sensing the user in this default distance range, described sensing cell also is used for this user of sensing with respect to the distance of the residing orientation of described television set body and this user and described television set body;
Described acoustic control TV set also comprises a processor, described processor is used for sensing this user according to described sensing cell and adjusts described pronunciation receiver with respect to the orientation of described acoustic control TV set with respect to the orientation of described acoustic control TV set, and adjusts the received voice signal of described pronunciation receiver for the distance of the user who senses according to described sensing apparatus and described television set body.
In addition, the present invention also provides a kind of method that improves the phonetic incepting effect of above-mentioned acoustic control TV set, and the method may further comprise the steps:
At described acoustic control TV set one human body sensor is installed and in a distance range of presetting, whether the user is arranged with sensing and described acoustic control TV set;
Described acoustic control TV set install an azimuth sensing device and a distance sensing device with sensing user respectively with respect to the orientation of described acoustic control TV set and the distance of this user of sensing and described acoustic control TV set; And
The pronunciation receiver of direction-adjustable and processor are installed utilizing described processor to regulate the orientation of pronunciation receiver according to the orientation that described azimuth sensing device senses at described acoustic control TV set, and are adjusted the received voice signal of described pronunciation receiver according to the distance that described distance sensing device senses.
With respect to prior art, the method of acoustic control TV set provided by the present invention and raising phonetic incepting effect thereof, adjust the orientation of pronunciation receiver with respect to the orientation at acoustic control TV set place by sensing user, reach according to sensing user and come the received voice signal of corresponding amplification pronunciation receiver apart from the distance of television set, thereby improved the quality of acoustic control voice, made acoustic control TV set can receive more clearly voice signal to improve the efficient of its voice control function.
Description of drawings
Fig. 1 is the schematic diagram of the acoustic control TV set in an embodiment of the present invention.
Fig. 2 is the functional block diagram of acoustic control TV set shown in Figure 1.
Fig. 3 is the schematic diagram of the Azimuth ﹠ Range of user and acoustic control TV set.
Fig. 4 is the flow chart of method of the raising phonetic incepting effect of the acoustic control TV set in an embodiment of the present invention.
The main element symbol description
| Acoustic |
100 |
| The television set |
10 |
| |
20 |
| The voice |
21 |
| |
211 |
| |
212 |
| Tumbler | 213 |
| |
214 |
| |
215 |
| The voice command recognition unit | 22 |
| |
30 |
| The |
31 |
| The |
32 |
| The |
33 |
| |
40 |
| |
50 |
| |
60 |
Following embodiment further specifies the present invention in connection with above-mentioned accompanying drawing.
Embodiment
See also Fig. 1, it is the schematic diagram of the acoustic control TV set 100 in an embodiment of the present invention.Be provided with on the television set body 10 of this acoustic control TV set 100 for the pronunciation receiver, loudspeaker 50 and the some buttons 60 that receive user voice command, as transferring volume key, adjusting channel key, key etc.
See also Fig. 2, it is the functional block diagram of the acoustic control TV set 100 in an embodiment of the present invention.This acoustic control TV set 100 comprises pronunciation receiver 20, sensing cell 30 and the processor 40 that is connected with sensing cell 30 with pronunciation receiver 20.
Sensing cell 30, in a predeterminable range scope, whether the user is arranged for sensing and acoustic control TV set 100, and when sense with acoustic control TV set 100 this predeterminable range scope apart in when the user is arranged, sensing cell 30 also for sensing user with respect to acoustic control TV set 100 residing orientation and the sensing user concrete distance apart from acoustic control TV set 100.In the present embodiment, this sensing cell 30 comprises that a human body sensor 31, that is used for sensing user is used for sensing user and is positioned at the azimuth sensing unit 32 and in acoustic control TV set 100 orientation for the distance sensing device 33 of sensing user apart from acoustic control TV set 100 distances.Wherein, this orientation sensing cell is used for sensing user with respect to acoustic control TV set 100 residing orientation.
The voice command that voice command extraction unit 21 extracts the user for speech and environmental noise at acoustic control TV set 100.In the present embodiment, voice command extraction unit 21 comprises a non-directional microphone 211, a single directive microphone 212 and the tumbler 213 that is rotationally connected with single directive microphone 212.Single directive microphone 212 is used for receiving the voice messaging in predetermined direction scope and the predetermined distance range, and this voice messaging comprises user's voice command, speech and other environmental noise of acoustic control TV set 100.Single directive microphone 212 is movably arranged on the tumbler 213, and tumbler 213 is used for driving described single directive microphone 212 rotations so that single directive microphone 212 points to specific direction according to the driving of processor 40.
In addition, voice command extraction unit 21 also comprises an operational amplifier 214, and operational amplifier 214 is connected with the output of microphone, is used for that the received voice messaging of microphone is optimized amplification and processes.In the present embodiment, this operational amplifier 214 can be a differential amplifier 215.This differential amplifier 215 comprises a positive input that is connected with single directive microphone 212 and a negative input that is connected with non-directional microphone 211.So, this differential amplifier 215 can balance out the received noise jamming signal of two microphones effectively, amplifies received user voice signal.
Voice recognition unit 22 is used for the voice command that voice command recognition extraction unit 21 extracts, and the voice command that recognizes is converted into digital signal.
As shown in Figure 3, as user during in the A position, the distance of user distance acoustic control TV set 100 is that 1 this parasang of parasang d(d can be arranged voluntarily by system's setting or user),
At this moment, processor 40 is adjusted into 1 with the yield value of operational amplifier 214; When the customer location change, during to the B position, the distance of user distance acoustic control TV set 100 is 2d by the A position transfer, and at this moment, processor 40 is adjusted into 4 with the yield value of operational amplifier 214.
See also Fig. 4, the present invention also provides a kind of method of raising phonetic incepting effect of above-mentioned acoustic control TV set 100, and it may further comprise the steps:
Step S401, whether human body sensor 31 senses the user in the preset range of acoustic control TV set 100, if, then enter step S402, if not, process ends then.In the present embodiment, at one time in, only have user's guide sound TV set controlled 100.
Step S402, the distance of distance sensing device 33 sensing user and acoustic control TV set 100 and azimuth sensing unit 32 sensing user are with respect to the orientation at acoustic control TV set 100 places.
Step S403, the orientation that processor 40 senses according to azimuth sensing unit 32 drives tumbler 213 and rotates, and then drives the direction that single directive microphone 212 points to the user place; Simultaneously, processor 40 is according to the yield value of the distance adjustment operational amplifier 214 of distance sensing device 33 user that senses and acoustic control TV set 100.In the present embodiment, in default distance range, the yield value of operational amplifier 214 be proportional to user distance acoustic control TV set 100 distance square.
With respect to prior art, the method of acoustic control TV set provided by the present invention and raising phonetic incepting effect thereof, adjust the orientation of pronunciation receiver compared to the orientation at acoustic control TV set place by sensing user, and amplify accordingly the received voice signal of pronunciation receiver according to the distance between sensing user and the acoustic control TV set, thereby improved the quality of acoustic control voice, make acoustic control TV set can receive more clearly voice signal to improve the efficient of its voice control function, bring convenience for people's life.
Those skilled in the art will be appreciated that; above execution mode only is that the present invention is described; and be not to be used as limitation of the invention; as long as within connotation scope of the present invention, appropriate change and variation that above embodiment is done all drop within the scope of protection of present invention.
Claims (12)
1. acoustic control TV set, it comprises a television set body, it is characterized in that:
Pronunciation receiver for receiving speech information is installed in the described television set body; On the described television set body sensing cell is installed, described sensing cell is used for sensing and whether described television set body has the user in a distance range of presetting, when sensing the user in this default distance range, described sensing cell also is used for this user of sensing with respect to the distance of the residing orientation of described television set body and this user and described television set body;
Described acoustic control TV set also comprises a processor, described processor is used for sensing this user according to described sensing cell and adjusts described pronunciation receiver with respect to the orientation of described acoustic control TV set with respect to the orientation of described acoustic control TV set, and adjusts the received voice signal of described pronunciation receiver for the distance of the user who senses according to described sensing apparatus and described television set body.
2. acoustic control TV set as claimed in claim 1 is characterized in that: described processor with described pronunciation receiver with respect to the orientation adjustment of described acoustic control TV set to consistent with respect to the orientation of described acoustic control TV set with this user.
3. acoustic control TV set as claimed in claim 1 or 2, it is characterized in that: described pronunciation receiver comprises a voice command extraction unit and a voice command recognition unit, the voice command that described voice command extraction unit extracts the user for speech and environmental noise at described acoustic control TV set, described voice command recognition unit is used for identifying the voice command that described voice command extraction unit extracts, and the voice command that recognizes is converted into digital signal.
4. acoustic control TV set as claimed in claim 3, it is characterized in that: described voice command extraction unit comprises a non-directional microphone, one single directive microphone, one tumbler that is connected with described single directive microphone and an operational amplifier, the rotation of described tumbler drives described single directive microphone and rotates, described operational amplifier is connected with the output of described non-directional microphone and described single directive microphone, is used for offsetting the received noise information of described two microphones and amplifying the received user voice command of described two microphones.
5. acoustic control TV set as claimed in claim 4 is characterized in that: described processor " senses this user according to described sensing cell and adjusts described pronunciation receiver with respect to the orientation of described acoustic control TV set with respect to the orientation of described acoustic control TV set " and refers to that described processor points to the user quite for the orientation at this acoustic control TV set place with described single directive microphone.
6. acoustic control TV set as claimed in claim 4, it is characterized in that: described operational amplifier is a differential amplifier, described differential amplifier comprises a positive input and a negative input, input in described two inputs is connected with the output of described single directive microphone, and another input in described two inputs is connected with the output of described non-directional microphone.
7. acoustic control TV set as claimed in claim 1 is characterized in that: described sensing apparatus comprises that a human body sensor is used for sensing user, an azimuth sensing unit is used for the direction at sensing user place and the distance that a distance sensing device is used for the relatively described acoustic control TV set of sensing user.
8. method that improves the phonetic incepting effect of acoustic control TV set, the method may further comprise the steps:
At described acoustic control TV set one human body sensor is installed and in a distance range of presetting, whether the user is arranged with sensing and described acoustic control TV set;
Described acoustic control TV set install an azimuth sensing device and a distance sensing device with sensing user respectively with respect to the orientation of described acoustic control TV set and the distance of this user of sensing and described acoustic control TV set; And
The pronunciation receiver of direction-adjustable and processor are installed utilizing described processor to regulate the orientation of pronunciation receiver according to the orientation that described azimuth sensing device senses at described acoustic control TV set, and are adjusted the received voice signal of described pronunciation receiver according to the distance that described distance sensing device senses.
9. method as claimed in claim 8 is characterized in that: the orientation that pronunciation receiver is regulated in the described orientation that utilizes described processor to sense according to described azimuth sensing device is that described pronunciation receiver is consistent to orientation relative with described user and described acoustic control TV set with respect to the orientation adjustment of described acoustic control TV set.
10. method as claimed in claim 9, it is characterized in that: described pronunciation receiver comprises a voice command extraction unit and a voice command recognition unit, described voice command extraction unit extracts user's voice command in the speech of described acoustic control TV set and environmental noise, described voice command recognition unit is identified the voice command that described voice command extraction unit extracts, and the voice command that recognizes is converted into digital signal, described voice command extraction unit comprises a non-directional microphone, one single directive microphone, one tumbler that is connected with described single directive microphone and an operational amplifier, the rotation of described tumbler drives described single directive microphone and rotates to adjust described single directive microphone sensing user with respect to the orientation at this acoustic control TV set place, described operational amplifier is connected with the output of described non-directional microphone and described single directive microphone, is used for offsetting the received noise information of described two microphones and amplifying the received user voice command of described two microphones.
11. method as claimed in claim 8 is characterized in that: it is to regulate the yield value that described pronunciation receiver is changed the digital signal of coming according to the distance of described distance sensing device sensing that the described distance of utilizing described processor to sense according to described distance sensing device is regulated the received voice signal of described pronunciation receiver.
12. method as claimed in claim 11 is characterized in that: described yield value be proportional to user distance television set distance square.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012104153774A CN102905094A (en) | 2012-10-26 | 2012-10-26 | Voice-controlled television and method for improving voice receiving effect of voice-controlled television |
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| CN2012104153774A CN102905094A (en) | 2012-10-26 | 2012-10-26 | Voice-controlled television and method for improving voice receiving effect of voice-controlled television |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016078415A1 (en) * | 2014-11-18 | 2016-05-26 | 中兴通讯股份有限公司 | Terminal acoustic pickup control method, terminal and terminal acoustic pickup control system |
| CN105898616A (en) * | 2016-04-15 | 2016-08-24 | 珠海迈科智能科技股份有限公司 | Set top box, system and method of realizing microphone adjustment |
| CN106325142A (en) * | 2015-06-30 | 2017-01-11 | 芋头科技（杭州）有限公司 | Robot system and control method thereof |
| CN106356061A (en) * | 2016-10-24 | 2017-01-25 | 合肥华凌股份有限公司 | Voice recognition method and system based on sound source localization and intelligent household appliance |
| CN109166365A (en) * | 2018-09-21 | 2019-01-08 | 深圳市科迈爱康科技有限公司 | The method and system of more mesh robot language teaching |
| CN109309888A (en) * | 2017-07-27 | 2019-02-05 | 深圳市冠旭电子股份有限公司 | Voice information processing method, playback equipment and computer readable storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016078415A1 (en) * | 2014-11-18 | 2016-05-26 | 中兴通讯股份有限公司 | Terminal acoustic pickup control method, terminal and terminal acoustic pickup control system |
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| CN106356061A (en) * | 2016-10-24 | 2017-01-25 | 合肥华凌股份有限公司 | Voice recognition method and system based on sound source localization and intelligent household appliance |
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| CN109309888A (en) * | 2017-07-27 | 2019-02-05 | 深圳市冠旭电子股份有限公司 | Voice information processing method, playback equipment and computer readable storage medium |
| CN109166365A (en) * | 2018-09-21 | 2019-01-08 | 深圳市科迈爱康科技有限公司 | The method and system of more mesh robot language teaching |
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Application publication date: 20130130 |