KR890010792A - 음성인식장치 - Google Patents

음성인식장치 Download PDF

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Publication number
KR890010792A
KR890010792A KR1019880017410A KR880017410A KR890010792A KR 890010792 A KR890010792 A KR 890010792A KR 1019880017410 A KR1019880017410 A KR 1019880017410A KR 880017410 A KR880017410 A KR 880017410A KR 890010792 A KR890010792 A KR 890010792A
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Prior art keywords
syllable
similarity
coincidence
memory means
recognition
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KR1019880017410A
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KR910007531B1 (ko
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히로시 마츠우라
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아오이 죠이치
가부시기카이샤 도시바
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/04—Segmentation; Word boundary detection
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/08—Speech classification or search
    • G10L15/10—Speech classification or search using distance or distortion measures between unknown speech and reference templates
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/28—Constructional details of speech recognition systems
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/02—Feature extraction for speech recognition; Selection of recognition unit
    • G10L2015/027—Syllables being the recognition units

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  • Engineering & Computer Science (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)
  • Document Processing Apparatus (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

내용 없음

Description

음성인식 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 1실시예에 관한 음성인식장치를 도시해 놓은 블록도.
제2도는 입력음성의 각 음절에 대한 음절후보와 그 유사도의 예를 도시해 놓은 설명도.
제3도는 제2도에 도시된 음절후보정보의 유사도메모리로 격납예를 도시해 놓은 도면.
제4도는 제1도에 도시된 실시예에서 유사도메모리의 검색처개념을 도시해 놓은 개념도.
* 도면의 주요부분에 대한 부호의 설명
1 : 음절인식부 2 : 유사도메모리
3 : 음절위치카운터 4 : 사전메모리
5 : 어드레스카운터 6 : 일치도계산부
7 : 제어부 8 : 음절인식제어부
9 : 음절사전메모리.

Claims (4)

  1. 기준음절데이터를 격납시키는 음절사전메모리수단(9)과, 입력음성의 각 음절을 상기 음절사전메모리수단(9)으로부터의 음절사전과 대조해서 적어도 1개의 음절인식후보와 그 유사도를 계산함과 더불어 상기 음절인식후보에 대한 유사도로부터 적어도 1개의 보조유사도를 구하는 음절인식수단(1), 이 음절인식수단(1)으로부터 공급되어진 음절인식후보와 그 유사도를 상기 기준데이터와 그 음절위치에 의해 정해지는 특정한 격납위치에 기억시킴과 더불어 상기 음절위치가 전후로 벗어난 격납위치에 상기 보조유사도를 기억시키는 유사도메모리수단(2), 인식대상으로 하는 음성항목의 음절계열을 격납시키는 사전메모리수단(4), 이 사전메모리수단(4)으로부터 출력되는 음절코드열을 구성하는 음절과 그 음절위치를 어드레스데이터로서 상기 유사도메모리수단(7)을 억세스해서 얻어진 유사도를 가산시켜 입력되어진 음성과 음절코드열의 일치도를 구하는 일치도계산수단(6) 및, 이 일치도계산수단(6)으로 상기 음절코드열에 대해 계산되어진 일치도를 상호적으로 비교해서 상기 입력음성에 대한 인식결과를 구하는 수단으로 이루어진 것을 특징으로 하는 음성인식장치.
  2. 제1항에 있어서, 상기 일치도계산수단(6)이 n음절로 이루어지는 음성에 대해 그 i음절째의 음절코드에 대한 유사도를 상기 유사도메모리수단(2)으로부터 Si로 구해, 각 음절위치마다 구해지는 유사도를 가산시켜 그 일치도(TS)를로 구할 수 있도록 된 것을 특징으로 하는 음성인식장치.
  3. 제1항에 있어서, 상기 일치도계산수단(6)이 음절수에 준한 중첩계수(W(j))를 써서 「정규화다음의 일치도(TS')=일치도(TS)/중첩계수(W(j))」의 계산으로 일치도를 정규화시키도록 된 것을 특징으로 하는 음성인식장치.
  4. 제1항에 있어서, 상기 유사도메모리수단(2)이 제i음절에 대해 구해지는 유사도(j)로부터 같은음절명의 제i음절로부터 N번째의 음절위치에 유사도(j)보다도 낮은 값의 보조유사도를 기억시키도록 된 것을 특징으로 하는 음성인식장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880017410A 1987-12-24 1988-12-24 음성인식장치 KR910007531B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP?62-325368 1987-12-24
JP62325368A JP2739945B2 (ja) 1987-12-24 1987-12-24 音声認識方法

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KR890010792A true KR890010792A (ko) 1989-08-10
KR910007531B1 KR910007531B1 (ko) 1991-09-27

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