KR950013552B1 - 음성신호처리장치 - Google Patents
음성신호처리장치 Download PDFInfo
- Publication number
- KR950013552B1 KR950013552B1 KR1019910008708A KR910008708A KR950013552B1 KR 950013552 B1 KR950013552 B1 KR 950013552B1 KR 1019910008708 A KR1019910008708 A KR 1019910008708A KR 910008708 A KR910008708 A KR 910008708A KR 950013552 B1 KR950013552 B1 KR 950013552B1
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- noise
- spectral
- speech
- voice
- 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
- G10L15/20—Speech recognition techniques specially adapted for robustness in adverse environments, e.g. in noise, of stress induced speech
-
- 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
- G10L13/00—Speech synthesis; Text to speech systems
-
- 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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
-
- 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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0272—Voice signal separating
-
- 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
-
- 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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L2021/02087—Noise filtering the noise being separate speech, e.g. cocktail party
-
- 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
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/12—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being prediction coefficients
-
- 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
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/24—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being the cepstrum
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Electrophonic Musical Instruments (AREA)
Abstract
Description
Claims (1)
- 복수종류의 소정신호의 각각에 대한 소정의 특징정보를 미리 기억하고 있는 기억수단과, 잡음혼입의 음성입력신호에 대해 푸리에 변환을 포함한 대역분할처리를 행하여, 복수채널의 스펙트럼신호를 출력하는 대역분할수단과, 상기 대역분할수단으로부터 출력된 복수채널의 스펙트럼신호에 켑스트럼분석처리를 행하여, 켑스트럼분석결과를 출력하는 켑스트럼분석수단과, 상기 켑스트럼분석수단으로부터 출력된 켑스트럼분석결과에 응답하여 켑스트럼의 피크를 검출하는 피크검출수단과, 상기 피크검출수단에 의해 검출된 피크에 응답하여 잡음혼입의 음성입력신호의 음성신호구간을 판별하고, 판별된 음성신호구간을 출력하는 음성판별수단과, 잡음혼입의 음성입력신호의 특징과 상기 기억수단에 기억된 특징을 비교하여 잡음혼입의 음성입력신호의 신호종류를 검출하는 최대우도검출수단과, 상기 음성판별수단에 의해 판별된 음성신호구간과 상기 최대우도검출수단에 의해 검출된 잡음혼입의 음성입력신호의 신호종류에 응답하여, 잡음혼입의 음성신호로부터 음성신호구간의 잡음을 예측하는 잡음예측수단과, 상기 대역분할수단으로부터 출력된 복수채널의 스펙트럼신호에 응답하여 상기 잡음예측수단에 의해 예측된 잡음을 제거하여, 채널마다 잡음이 억제된 스펙트럼신호를 출력하는 잡음제거수단과, 채널마다 잡음이 억제된 상기 스펙트럼신호를 합성하고, 합성된 스펙트럼신호를 푸리에 역변환하고, 변환된 음성신호를 출력하는 대역합성수단을 포함한 것을 특징으로 하는 음성신호처리장치.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR94026430A KR950001070B1 (en) | 1990-05-28 | 1994-10-15 | Speech signal processing device |
| KR1019940026432A KR950001067B1 (ko) | 1990-05-28 | 1994-10-15 | 음성인식장치 |
| KR1019940026431A KR950001071B1 (ko) | 1990-05-28 | 1994-10-15 | 음성신호처리장치 |
| KR1019940026429A KR960007843B1 (ko) | 1990-05-28 | 1994-10-15 | 음성신호처리장치 |
Applications Claiming Priority (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13805390 | 1990-05-28 | ||
| JP2-138053 | 1990-05-28 | ||
| JP2-138063 | 1990-05-28 | ||
| JP2-138061 | 1990-05-28 | ||
| JP2-138062 | 1990-05-28 | ||
| JP13806190 | 1990-05-28 | ||
| JP13806290 | 1990-05-28 | ||
| JP13806390 | 1990-05-28 | ||
| JP13806790 | 1990-05-28 | ||
| JP2-138067 | 1990-05-28 |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019940026429A Division KR960007843B1 (ko) | 1990-05-28 | 1994-10-15 | 음성신호처리장치 |
| KR1019940026431A Division KR950001071B1 (ko) | 1990-05-28 | 1994-10-15 | 음성신호처리장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR910020642A KR910020642A (ko) | 1991-12-20 |
| KR950013552B1 true KR950013552B1 (ko) | 1995-11-08 |
Family
ID=27527503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019910008708A Expired - Fee Related KR950013552B1 (ko) | 1990-05-28 | 1991-05-28 | 음성신호처리장치 |
Country Status (4)
| Country | Link |
|---|---|
| US (4) | US5355431A (ko) |
| EP (5) | EP0763810B1 (ko) |
| KR (1) | KR950013552B1 (ko) |
| DE (5) | DE69132659T2 (ko) |
Families Citing this family (44)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1272653B (it) * | 1993-09-20 | 1997-06-26 | Alcatel Italia | Metodo di riduzione del rumore, in particolare per riconoscimento automatico del parlato, e filtro atto ad implementare lo stesso |
| US5586126A (en) * | 1993-12-30 | 1996-12-17 | Yoder; John | Sample amplitude error detection and correction apparatus and method for use with a low information content signal |
| DE19524847C1 (de) * | 1995-07-07 | 1997-02-13 | Siemens Ag | Vorrichtung zur Verbesserung gestörter Sprachsignale |
| US5687243A (en) * | 1995-09-29 | 1997-11-11 | Motorola, Inc. | Noise suppression apparatus and method |
| FI100840B (fi) * | 1995-12-12 | 1998-02-27 | Nokia Mobile Phones Ltd | Kohinanvaimennin ja menetelmä taustakohinan vaimentamiseksi kohinaises ta puheesta sekä matkaviestin |
| US5822370A (en) * | 1996-04-16 | 1998-10-13 | Aura Systems, Inc. | Compression/decompression for preservation of high fidelity speech quality at low bandwidth |
| US5806025A (en) * | 1996-08-07 | 1998-09-08 | U S West, Inc. | Method and system for adaptive filtering of speech signals using signal-to-noise ratio to choose subband filter bank |
| US6098038A (en) * | 1996-09-27 | 2000-08-01 | Oregon Graduate Institute Of Science & Technology | Method and system for adaptive speech enhancement using frequency specific signal-to-noise ratio estimates |
| JP3006677B2 (ja) * | 1996-10-28 | 2000-02-07 | 日本電気株式会社 | 音声認識装置 |
| EP0994462B1 (en) * | 1996-11-07 | 2002-04-03 | Matsushita Electric Industrial Co., Ltd | Excitation vector generation |
| US5946649A (en) * | 1997-04-16 | 1999-08-31 | Technology Research Association Of Medical Welfare Apparatus | Esophageal speech injection noise detection and rejection |
| US6804646B1 (en) | 1998-03-19 | 2004-10-12 | Siemens Aktiengesellschaft | Method and apparatus for processing a sound signal |
| US6311155B1 (en) * | 2000-02-04 | 2001-10-30 | Hearing Enhancement Company Llc | Use of voice-to-remaining audio (VRA) in consumer applications |
| US7415120B1 (en) | 1998-04-14 | 2008-08-19 | Akiba Electronics Institute Llc | User adjustable volume control that accommodates hearing |
| DE69942784D1 (de) * | 1998-04-14 | 2010-10-28 | Hearing Enhancement Co Llc | Verfahren und Vorrichtung, die es einem End-Benutzer ermöglichen, Hörer-Präferenzen für Hörbehinderte und Nicht-Hörbehinderte einzustellen |
| US6442278B1 (en) | 1999-06-15 | 2002-08-27 | Hearing Enhancement Company, Llc | Voice-to-remaining audio (VRA) interactive center channel downmix |
| AR024353A1 (es) | 1999-06-15 | 2002-10-02 | He Chunhong | Audifono y equipo auxiliar interactivo con relacion de voz a audio remanente |
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| US6366880B1 (en) * | 1999-11-30 | 2002-04-02 | Motorola, Inc. | Method and apparatus for suppressing acoustic background noise in a communication system by equaliztion of pre-and post-comb-filtered subband spectral energies |
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| US7266501B2 (en) | 2000-03-02 | 2007-09-04 | Akiba Electronics Institute Llc | Method and apparatus for accommodating primary content audio and secondary content remaining audio capability in the digital audio production process |
| US20040096065A1 (en) * | 2000-05-26 | 2004-05-20 | Vaudrey Michael A. | Voice-to-remaining audio (VRA) interactive center channel downmix |
| US6990061B2 (en) * | 2000-05-31 | 2006-01-24 | Interuniversitair Micro-Elektronica Centrum | Method and apparatus for channel estimation |
| WO2002029780A2 (en) * | 2000-10-04 | 2002-04-11 | Clarity, Llc | Speech detection with source separation |
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| GB2375027B (en) * | 2001-04-24 | 2003-05-28 | Motorola Inc | Processing speech signals |
| US6591991B2 (en) | 2001-08-06 | 2003-07-15 | Luce Belle | Collapsible tire stand |
| US7571095B2 (en) * | 2001-08-15 | 2009-08-04 | Sri International | Method and apparatus for recognizing speech in a noisy environment |
| JP3673507B2 (ja) * | 2002-05-16 | 2005-07-20 | 独立行政法人科学技術振興機構 | 音声波形の特徴を高い信頼性で示す部分を決定するための装置およびプログラム、音声信号の特徴を高い信頼性で示す部分を決定するための装置およびプログラム、ならびに擬似音節核抽出装置およびプログラム |
| US7013272B2 (en) * | 2002-08-14 | 2006-03-14 | Motorola, Inc. | Amplitude masking of spectra for speech recognition method and apparatus |
| JP2004297273A (ja) * | 2003-03-26 | 2004-10-21 | Kenwood Corp | 音声信号雑音除去装置、音声信号雑音除去方法及びプログラム |
| NO324318B1 (no) * | 2005-04-29 | 2007-09-24 | Tandberg Telecom As | Fremgangsmate og anordning for stoydeteksjon. |
| JP4246755B2 (ja) * | 2006-05-30 | 2009-04-02 | 株式会社エヌ・ティ・ティ・ドコモ | 受信信号周波数帯域検出器 |
| JP4757158B2 (ja) * | 2006-09-20 | 2011-08-24 | 富士通株式会社 | 音信号処理方法、音信号処理装置及びコンピュータプログラム |
| US7813924B2 (en) * | 2007-04-10 | 2010-10-12 | Nokia Corporation | Voice conversion training and data collection |
| JPWO2009004718A1 (ja) * | 2007-07-03 | 2010-08-26 | パイオニア株式会社 | 楽音強調装置、楽音強調方法、楽音強調プログラムおよび記録媒体 |
| JP4660578B2 (ja) * | 2008-08-29 | 2011-03-30 | 株式会社東芝 | 信号補正装置 |
| US8442831B2 (en) * | 2008-10-31 | 2013-05-14 | International Business Machines Corporation | Sound envelope deconstruction to identify words in continuous speech |
| US8620646B2 (en) * | 2011-08-08 | 2013-12-31 | The Intellisis Corporation | System and method for tracking sound pitch across an audio signal using harmonic envelope |
| US20140025374A1 (en) * | 2012-07-22 | 2014-01-23 | Xia Lou | Speech enhancement to improve speech intelligibility and automatic speech recognition |
| US9865277B2 (en) * | 2013-07-10 | 2018-01-09 | Nuance Communications, Inc. | Methods and apparatus for dynamic low frequency noise suppression |
| US10121488B1 (en) | 2015-02-23 | 2018-11-06 | Sprint Communications Company L.P. | Optimizing call quality using vocal frequency fingerprints to filter voice calls |
| CN107274895B (zh) * | 2017-08-18 | 2020-04-17 | 京东方科技集团股份有限公司 | 一种语音识别设备及方法 |
| JP7404664B2 (ja) * | 2019-06-07 | 2023-12-26 | ヤマハ株式会社 | 音声処理装置及び音声処理方法 |
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-
1991
- 1991-05-28 EP EP96117720A patent/EP0763810B1/en not_active Expired - Lifetime
- 1991-05-28 DE DE69132659T patent/DE69132659T2/de not_active Expired - Fee Related
- 1991-05-28 DE DE69132749T patent/DE69132749T2/de not_active Expired - Fee Related
- 1991-05-28 EP EP91108665A patent/EP0459382B1/en not_active Expired - Lifetime
- 1991-05-28 DE DE69132644T patent/DE69132644T2/de not_active Expired - Fee Related
- 1991-05-28 DE DE69132645T patent/DE69132645T2/de not_active Expired - Fee Related
- 1991-05-28 DE DE69131739T patent/DE69131739T2/de not_active Expired - Fee Related
- 1991-05-28 KR KR1019910008708A patent/KR950013552B1/ko not_active Expired - Fee Related
- 1991-05-28 EP EP96117722A patent/EP0763812B1/en not_active Expired - Lifetime
- 1991-05-28 EP EP96117723A patent/EP0763813B1/en not_active Expired - Lifetime
- 1991-05-28 EP EP96117721A patent/EP0763811B1/en not_active Expired - Lifetime
-
1992
- 1992-11-27 US US07/982,771 patent/US5355431A/en not_active Expired - Lifetime
-
1994
- 1994-12-21 US US08/361,152 patent/US5621850A/en not_active Expired - Fee Related
-
1995
- 1995-05-31 US US08/455,252 patent/US5617505A/en not_active Expired - Fee Related
- 1995-05-31 US US08/456,057 patent/US5630015A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US5617505A (en) | 1997-04-01 |
| EP0763810B1 (en) | 2001-09-26 |
| DE69132749T2 (de) | 2002-07-04 |
| DE69131739D1 (de) | 1999-12-02 |
| EP0763813B1 (en) | 2001-07-11 |
| US5621850A (en) | 1997-04-15 |
| EP0763811B1 (en) | 2001-06-20 |
| DE69132659D1 (de) | 2001-08-16 |
| EP0763812A1 (en) | 1997-03-19 |
| EP0459382B1 (en) | 1999-10-27 |
| DE69132749D1 (de) | 2001-10-31 |
| DE69132659T2 (de) | 2002-05-02 |
| DE69132645T2 (de) | 2002-04-18 |
| EP0763813A1 (en) | 1997-03-19 |
| EP0459382A2 (en) | 1991-12-04 |
| US5630015A (en) | 1997-05-13 |
| DE69131739T2 (de) | 2001-10-04 |
| EP0763812B1 (en) | 2001-06-20 |
| DE69132644T2 (de) | 2002-05-29 |
| EP0459382A3 (en) | 1993-03-03 |
| KR910020642A (ko) | 1991-12-20 |
| DE69132645D1 (de) | 2001-07-26 |
| US5355431A (en) | 1994-10-11 |
| EP0763810A1 (en) | 1997-03-19 |
| EP0763811A1 (en) | 1997-03-19 |
| DE69132644D1 (de) | 2001-07-26 |
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