KR950001067B1 - 음성인식장치 - Google Patents
음성인식장치 Download PDFInfo
- Publication number
- KR950001067B1 KR950001067B1 KR1019940026432A KR19940026432A KR950001067B1 KR 950001067 B1 KR950001067 B1 KR 950001067B1 KR 1019940026432 A KR1019940026432 A KR 1019940026432A KR 19940026432 A KR19940026432 A KR 19940026432A KR 950001067 B1 KR950001067 B1 KR 950001067B1
- Authority
- KR
- South Korea
- Prior art keywords
- voice
- band
- speech
- noise
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/02—Feature extraction for speech recognition; Selection of recognition unit
Landscapes
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
Description
Claims (2)
- 기지의 사람의 음성신호를 대역분할하고 켑스트럼분석하여 얻은 피크주파수를 미리 기억하는 제1기억수단과, 미지의 잡음혼입의 음성입력신호를 대역분할하는 대역분할수단과, 대역분할수단의 출력을 켑스트럼 분석하는 켑스트럼분석수단과, 켑스트럼분석수단의 켑스트럼분석출력으로부터 피크주파수를 검출하는 피크주파수검출수단과, 상기 피크주파수검출수단의 피크검출정보와 상기 제1기억수단에 기억된 각 피크주파수를 비교하고, 미지의 음성신호가 어느 사람의 음성신호인지를 판단하는 제1비교수단과, 각종 음성의 음성특징을 미리 기억하고 있는 제2기억수단과, 상기 잡음혼입의 음성신호로부터 음성부분을 커팅아웃하는 음성커팅아웃수단과, 커팅아웃된 음성의 특징을 추출하는 특징추출수단과, 특징추출수단에 의해서 추출된 음성특징과 상기 제2기억수단에 기억된 음성특징을 비교하여 음성을 인식하는 제2비교수단과, 상기 제1비교수단의 비교결과와 제2비교수단의 비교결과에 의거하여, 소정의 처리를 행해서 출력하는 비교출력합성수단을 구비한 것을 특징으로 하는 음성인식장치.
- 제1항에 있어서, 켑스트럼분석수단에 의한 켑스트럼분석결과를 이용해서 음성부분을 판별하는 음성판별수단과, 음성판별수단에 의한 음성부분정보를 이용해서, 상기 대역분할된 신호로부터 음성부분의 잡음을 예측하는 잡음예측수단과, 상기 대역분할된 신호로부터, 예측된 잡음을 제거하는 잡음제거수단과, 잡음제거 수단의 출력을 대역합성하는 대역합성수단을 부가하여 구비하고, 상기 음성커팅아웃수단은 이 대역합성수단에 의해서 합성된 신호로부터 커팅아웃을 행하는 것을 특징으로 하는 음성인식장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940026432A KR950001067B1 (ko) | 1990-05-28 | 1994-10-15 | 음성인식장치 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP90-138067 | 1990-05-28 | ||
JP13806790 | 1990-05-28 | ||
KR1019910008708A KR950013552B1 (ko) | 1990-05-28 | 1991-05-28 | 음성신호처리장치 |
KR1019940026432A KR950001067B1 (ko) | 1990-05-28 | 1994-10-15 | 음성인식장치 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR950001067B1 true KR950001067B1 (ko) | 1995-02-08 |
Family
ID=26471208
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019940026432A Expired - Fee Related KR950001067B1 (ko) | 1990-05-28 | 1994-10-15 | 음성인식장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR950001067B1 (ko) |
-
1994
- 1994-10-15 KR KR1019940026432A patent/KR950001067B1/ko not_active Expired - Fee Related
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