KR890009140A - 유음 무음 판정회로 - Google Patents

유음 무음 판정회로 Download PDF

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Publication number
KR890009140A
KR890009140A KR1019880014747A KR880014747A KR890009140A KR 890009140 A KR890009140 A KR 890009140A KR 1019880014747 A KR1019880014747 A KR 1019880014747A KR 880014747 A KR880014747 A KR 880014747A KR 890009140 A KR890009140 A KR 890009140A
Authority
KR
South Korea
Prior art keywords
soundless
judgment circuit
silence
level
determination
Prior art date
Application number
KR1019880014747A
Other languages
English (en)
Other versions
KR970002751B1 (ko
Inventor
요시또모 나까노
Original Assignee
오오가 노리오
소니 가부시끼 가이샤
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 오오가 노리오, 소니 가부시끼 가이샤 filed Critical 오오가 노리오
Publication of KR890009140A publication Critical patent/KR890009140A/ko
Application granted granted Critical
Publication of KR970002751B1 publication Critical patent/KR970002751B1/ko

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (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)
  • Control Of Amplification And Gain Control (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Time-Division Multiplex Systems (AREA)

Abstract

내용 없음

Description

유음 무음 판정회로
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 실시예를 도시하는 블록도.
제3도는 제1도의 구체적인 회로 구성을 도시하는 회로도.

Claims (1)

  1. 입력 음성 신호와 판정 레벨을 비교하고, 상기 입력 음성 신호의 레벨이 상기 판정 레벨 이하일때엔 무음으로 판정토록 한 유음 무음 판정회로에 있어서, 상기 입력 음성 신호의 소정 시간에 대한 무음 시간의 비율에 따라서 상기 판정 레벨을 변경토록한 유음 무음 판정회로.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880014747A 1987-11-13 1988-11-10 입력 오디오 신호에 대한 음성의 유무 판정 회로 KR970002751B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62286764A JP2551050B2 (ja) 1987-11-13 1987-11-13 有音無音判定回路
JP286764 1987-11-13

Publications (2)

Publication Number Publication Date
KR890009140A true KR890009140A (ko) 1989-07-15
KR970002751B1 KR970002751B1 (ko) 1997-03-10

Family

ID=17708743

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880014747A KR970002751B1 (ko) 1987-11-13 1988-11-10 입력 오디오 신호에 대한 음성의 유무 판정 회로

Country Status (6)

Country Link
US (1) US4926484A (ko)
EP (1) EP0317157B1 (ko)
JP (1) JP2551050B2 (ko)
KR (1) KR970002751B1 (ko)
CA (1) CA1326076C (ko)
DE (1) DE3888631T2 (ko)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU624838B2 (en) * 1988-05-27 1992-06-25 Global 360, Inc. Document annotation and manipulation in a data processing system
US5226090A (en) * 1989-12-29 1993-07-06 Pioneer Electronic Corporation Voice-operated remote control system
US5267323A (en) * 1989-12-29 1993-11-30 Pioneer Electronic Corporation Voice-operated remote control system
US5134658A (en) * 1990-09-27 1992-07-28 Advanced Micro Devices, Inc. Apparatus for discriminating information signals from noise signals in a communication signal
US5220287A (en) * 1991-02-19 1993-06-15 Audion Pty. Ltd. Voice processing apparatus
JPH0772961B2 (ja) * 1992-03-31 1995-08-02 日本コロムビア株式会社 曲間検出装置
US5278944A (en) * 1992-07-15 1994-01-11 Kokusai Electric Co., Ltd. Speech coding circuit
US5323337A (en) * 1992-08-04 1994-06-21 Loral Aerospace Corp. Signal detector employing mean energy and variance of energy content comparison for noise detection
AU7018594A (en) * 1993-05-24 1994-12-20 Motorola, Inc. Method for improving stored voice message quality
US5485522A (en) * 1993-09-29 1996-01-16 Ericsson Ge Mobile Communications, Inc. System for adaptively reducing noise in speech signals
JPH07225593A (ja) * 1994-02-10 1995-08-22 Fuji Xerox Co Ltd 音処理装置
US5617478A (en) * 1994-04-11 1997-04-01 Matsushita Electric Industrial Co., Ltd. Sound reproduction system and a sound reproduction method
US5867581A (en) * 1994-10-14 1999-02-02 Matsushita Electric Industrial Co., Ltd. Hearing aid
GB2303471B (en) * 1995-07-19 2000-03-22 Olympus Optical Co Voice activated recording apparatus
US5609508A (en) * 1995-10-23 1997-03-11 Sony Corporation Toy telephone with visual display for recorded messages
US5903868A (en) * 1995-11-22 1999-05-11 Yuen; Henry C. Audio recorder with retroactive storage
US5724410A (en) * 1995-12-18 1998-03-03 Sony Corporation Two-way voice messaging terminal having a speech to text converter
US5784436A (en) * 1996-06-19 1998-07-21 Rosen; Howard B. Automatic telephone recorder system incorporating a personal computer having a sound handling feature
KR19990000365A (ko) * 1997-06-05 1999-01-15 윤종용 자동응답기에서 음성메세지 녹음방법
US6496206B1 (en) 1998-06-29 2002-12-17 Scansoft, Inc. Displaying thumbnail images of document pages in an electronic folder
AU7739100A (en) * 1999-09-30 2001-04-30 Dictaphone Corporation Automatic selection of recording mode in portable digital audio recorder
JP4348970B2 (ja) * 2003-03-06 2009-10-21 ソニー株式会社 情報検出装置及び方法、並びにプログラム
US20040264938A1 (en) * 2003-06-27 2004-12-30 Felder Matthew D. Audio event detection recording apparatus and method
US9263059B2 (en) * 2012-09-28 2016-02-16 International Business Machines Corporation Deep tagging background noises

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3832491A (en) * 1973-02-13 1974-08-27 Communications Satellite Corp Digital voice switch with an adaptive digitally-controlled threshold
US4008375A (en) * 1975-08-21 1977-02-15 Communications Satellite Corporation (Comsat) Digital voice switch for single or multiple channel applications
FR2502370A1 (fr) * 1981-03-18 1982-09-24 Trt Telecom Radio Electr Dispositif de reduction du bruit dans un signal de parole mele de bruit
US4449190A (en) * 1982-01-27 1984-05-15 Bell Telephone Laboratories, Incorporated Silence editing speech processor
DE3236000A1 (de) * 1982-09-29 1984-03-29 Blaupunkt-Werke Gmbh, 3200 Hildesheim Verfahren zum klassifizieren von audiosignalen
JPS59139099A (ja) * 1983-01-31 1984-08-09 株式会社東芝 音声区間検出装置
US4700392A (en) * 1983-08-26 1987-10-13 Nec Corporation Speech signal detector having adaptive threshold values

Also Published As

Publication number Publication date
DE3888631D1 (de) 1994-04-28
KR970002751B1 (ko) 1997-03-10
JP2551050B2 (ja) 1996-11-06
US4926484A (en) 1990-05-15
JPH01128250A (ja) 1989-05-19
EP0317157A1 (en) 1989-05-24
EP0317157B1 (en) 1994-03-23
CA1326076C (en) 1994-01-11
DE3888631T2 (de) 1994-07-07

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