CN1432997A - Phonetic recognition method - Google Patents
Phonetic recognition method Download PDFInfo
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- CN1432997A CN1432997A CN02100044A CN02100044A CN1432997A CN 1432997 A CN1432997 A CN 1432997A CN 02100044 A CN02100044 A CN 02100044A CN 02100044 A CN02100044 A CN 02100044A CN 1432997 A CN1432997 A CN 1432997A
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Abstract
The present invention discloses a phonetic recognition method includes the specific steps of: recording standard phonetic data in phonetic data base; indexing and selecting standard voice segment to be displayed, prompted or broadcast; outputting standard voice segment, inputting new voice segment; recognizing through comparing the input voice signal and that in the data base; judging and feedback displaying. The present invention utilizes the recognizable and un-recognizable voice simultaneously in accurate judgment.
Description
Technical field
The present invention relates to a kind of audio recognition method, this method is mainly used in voice activated control, man-machine conversation field.
Background technology
Existing speech recognition technology mainly is an identifiability of utilizing voice, and speech recognition system is carried out operation accordingly according to the voice signal of external world's input.When speech recognition system can be discerned extraneous voice signal, speech recognition system was just carried out corresponding operation; When speech recognition system can't be discerned extraneous voice signal, speech recognition system or ignore was perhaps carried out wrong understanding, the operation of execution error.Promptly have only the correct voice signal of input, speech recognition system could correctly be discerned, and for the input of mistake, speech recognition system can not be discerned, and can't judge.
With the product that popular in the market major part help learns a language, be example as radio cassette player, learning machine, language repeater etc., the recognition methods of its voice is: play segment standard recording earlier; After the learner hears out, repeat to read through; At this moment, play again after learner's sound recording can being entered; Compare by learner oneself, judge.The shortcoming of this audio recognition method is to be carried out the identification judgement of voice by people's ear oneself, because everyone standard is different, oneself listens unavoidable some subjectivity of pronunciation of oneself, often is not easy to find wrong or non-type place, the shortage objectivity.
Summary of the invention
In view of the foregoing, the purpose of this invention is to provide a kind of can be objective, judge exactly, the method for recognizing voice.
For achieving the above object, the present invention takes following design proposal: a kind of audio recognition method, and concrete steps are as follows:
The first step: the received pronunciation data are logged in the speech database;
Second step: index, the sound bite of selection standard in the received pronunciation database;
The 3rd step: outputting standard sound bite;
The 4th step: import new voice signal;
Convert new voice signal to speech data and be stored in the speech data buffer by recording device, analog-digital commutator;
The 5th step: the voice signal of standard in the voice signal of identification, relatively input and the database;
By the voice recognition chip in the speech recognition device new voice signal and the received pronunciation in the speech database are analyzed, discern, compared;
The 6th step: judge whether correctly give clear and definite answer to new voice signal, and display result;
After the identification of voice recognition chip, comparison, judgement, if the voice of input are correct, then give affirmative answer, and restart next circulation, promptly repeated for first～the 6th step; Through judging, if the voice of input are incorrect, then give negative answer, and show mistake, re-enter, repeated for the 4th～the 6th step.
In the audio recognition method of the present invention the 5th, the 6th step is that the voice of standard in the new voice that will import by voice recognition chip and the speech database are analyzed, discerned, comparison.
Because the present invention adopts above technical scheme, promptly by speech recognition system Direct Recognition, comparison, judge whether new voice signal correct, and the judged result feedback is shown.Be identifiability and the nonidentifiability that the present invention has utilized voice simultaneously, thereby the judgement of standard is more accurate, objective, just to new voice signal.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is a speech recognition system theory diagram of the present invention;
Fig. 2 is an audio recognition method process flow diagram of the present invention;
Fig. 3 is a voice recognition chip control program process flow diagram.
Embodiment
As shown in Figure 1, speech recognition system of the present invention mainly is made up of recording device 1, analog-digital commutator 2, speech data buffer 3, speech database 4, speech recognition device 5 and output unit 6; Wherein, store the speech recognition program that embodies audio recognition method of the present invention in the speech recognition device 5 in advance.Speech recognition device 5 of the present invention adopts the speech recognition family chip.
As shown in Figure 2, audio recognition method of the present invention is:
The first step: the received pronunciation data are logged in the speech database;
Second step: index, the sound bite of selection standard in the received pronunciation database;
The 3rd step: outputting standard sound bite;
Can play-over this received pronunciation fragment, also can show this received pronunciation fragment, perhaps point out the content of this received pronunciation fragment by other modes by display.
The 4th step: import new sound bite:
Convert new sound bite to speech data and be stored in the speech data buffer by recording device, analog-digital commutator;
The 5th step: the voice signal of standard in the voice signal of identification, relatively input and the database;
By the voice recognition chip in the speech recognition device voice and the received pronunciation in the database of input are analyzed, discern, compared.This identification, relatively be the function that voice recognition chip itself just has, only need in addition that corresponding programmed control gets final product, as shown in Figure 3.
The 6th step: judge whether correctly give clear and definite answer to new voice signal, and display result;
After the identification of voice recognition chip, comparison, judgement, if the voice of input are correct, give affirmative answer, and restart next circulation, promptly repeated for first～the 6th step; Through judging, if the voice of input are incorrect, give negative answer, and clearly inform the phonetic entry mistake, re-enter, repeated for the 4th～the 6th step.
This method has been utilized the identifiability and the nonidentifiability of voice simultaneously.When speech recognition system can be discerned external sound, think that the voice of input are correct; When system can not discern, think the voice mistake of input and to give clear and definite informing, the judged result feedback is shown.
This method can specifically be applied in the interactive learning methods such as language playback device, learning machine, its specific implementation process is: add the speech recognition system that includes audio recognition method of the present invention in learning machine, during use, the learner is every to say a word or expression, speech recognition system is just carried out objective, just differentiation and analysis to learner's voice, can identify, think that the learner carries a tune; Can not identify, think learner's mispronounce, and the result is fed back to the learner.
Claims (3)
1. audio recognition method, concrete steps are as follows:
The first step: the received pronunciation data are logged in the speech database;
Second step: index, the sound bite of selection standard in the received pronunciation database;
The 3rd step: outputting standard sound bite;
The 4th step: import new sound bite;
The 5th step: the voice signal of standard in the voice signal of identification, relatively input and the database;
The 6th step: judge, give clear and definite answer to two kinds of voice are whether identical, and show feedback.
2. a kind of audio recognition method according to claim 1 is characterized in that: described the 5th, the 6th step is meant by voice recognition chip analyzes the voice and the received pronunciation in the speech database of input, discern, compare.
3. a kind of audio recognition method according to claim 1 and 2 is characterized in that: described audio recognition method concrete steps are as follows:
The first step: the received pronunciation data are logged in the speech database;
Second step: index, the sound bite of selection standard in the received pronunciation database;
The 3rd step: outputting standard sound bite;
The 4th step: import new sound bite;
The learner converts new sound bite to speech data and is stored in the speech data buffer by recording device, analog-digital commutator;
The 5th step: the voice signal of standard in the voice signal of identification, relatively input and the database;
By speech recognition device, voice recognition chip the voice and the received pronunciation in the speech database of input are analyzed, discern, compared;
The 6th step: judge whether correctly give clear and definite answer, and show feedback to new voice signal;
After the identification of voice recognition chip, comparison, judgement, if the voice of input are correct, give affirmative answer, and restart next circulation, promptly repeated for first～the 6th step; Through judging, if the voice of input are incorrect, give negative answer, clearly inform input voice mistake, re-enter, repeated for the 4th～the 6th step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02100044A CN1432997A (en) | 2002-01-09 | 2002-01-09 | Phonetic recognition method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02100044A CN1432997A (en) | 2002-01-09 | 2002-01-09 | Phonetic recognition method |
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| CN1432997A true CN1432997A (en) | 2003-07-30 |
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| CN02100044A Pending CN1432997A (en) | 2002-01-09 | 2002-01-09 | Phonetic recognition method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723080A (en) * | 2012-06-25 | 2012-10-10 | 惠州市德赛西威汽车电子有限公司 | Voice recognition test system and voice recognition test method |
| CN105427387A (en) * | 2015-11-09 | 2016-03-23 | 上海语知义信息技术有限公司 | System and method for controlling ticket vending machine by voice |
| CN107305769A (en) * | 2016-04-20 | 2017-10-31 | 斑马网络技术有限公司 | Voice interaction processing method, device, equipment and operating system |
| CN109036402A (en) * | 2018-07-18 | 2018-12-18 | 深圳市本牛科技有限责任公司 | Digital speech VOD system and its operating method and the device for using the system |
| CN109767773A (en) * | 2019-03-26 | 2019-05-17 | 北京百度网讯科技有限公司 | Information output method and device based on interactive voice terminal |
-
2002
- 2002-01-09 CN CN02100044A patent/CN1432997A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723080A (en) * | 2012-06-25 | 2012-10-10 | 惠州市德赛西威汽车电子有限公司 | Voice recognition test system and voice recognition test method |
| CN105427387A (en) * | 2015-11-09 | 2016-03-23 | 上海语知义信息技术有限公司 | System and method for controlling ticket vending machine by voice |
| CN107305769A (en) * | 2016-04-20 | 2017-10-31 | 斑马网络技术有限公司 | Voice interaction processing method, device, equipment and operating system |
| CN109036402A (en) * | 2018-07-18 | 2018-12-18 | 深圳市本牛科技有限责任公司 | Digital speech VOD system and its operating method and the device for using the system |
| CN109767773A (en) * | 2019-03-26 | 2019-05-17 | 北京百度网讯科技有限公司 | Information output method and device based on interactive voice terminal |
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