FI955086A - Menetelmä ja laitteisto kohinan vaimentamiseksi puhesignaalissa sekä vastaavan kaiun poistolla varustettu systeemi - Google Patents
Menetelmä ja laitteisto kohinan vaimentamiseksi puhesignaalissa sekä vastaavan kaiun poistolla varustettu systeemi Download PDFInfo
- Publication number
- FI955086A FI955086A FI955086A FI955086A FI955086A FI 955086 A FI955086 A FI 955086A FI 955086 A FI955086 A FI 955086A FI 955086 A FI955086 A FI 955086A FI 955086 A FI955086 A FI 955086A
- Authority
- FI
- Finland
- Prior art keywords
- signal
- speech signals
- elimination
- methods
- devices
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 230000008030 elimination Effects 0.000 title 1
- 238000003379 elimination reaction Methods 0.000 title 1
- 239000000284 extract Substances 0.000 abstract 1
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
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S367/00—Communications, electrical: acoustic wave systems and devices
- Y10S367/901—Noise or unwanted signal reduction in nonseismic receiving system
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Quality & Reliability (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Circuit For Audible Band Transducer (AREA)
- Filters That Use Time-Delay Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9412964A FR2726392B1 (fr) | 1994-10-28 | 1994-10-28 | Procede et dispositif de suppression de bruit dans un signal de parole, et systeme avec annulation d'echo correspondant |
Publications (2)
Publication Number | Publication Date |
---|---|
FI955086A0 FI955086A0 (fi) | 1995-10-25 |
FI955086A true FI955086A (fi) | 1996-04-29 |
Family
ID=9468340
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI955086A FI955086A (fi) | 1994-10-28 | 1995-10-25 | Menetelmä ja laitteisto kohinan vaimentamiseksi puhesignaalissa sekä vastaavan kaiun poistolla varustettu systeemi |
Country Status (10)
Country | Link |
---|---|
US (1) | US5680393A (fi) |
EP (1) | EP0710947B1 (fi) |
JP (2) | JPH08213936A (fi) |
AT (1) | ATE230890T1 (fi) |
AU (1) | AU698081B2 (fi) |
CA (1) | CA2161575A1 (fi) |
DE (1) | DE69529328T2 (fi) |
FI (1) | FI955086A (fi) |
FR (1) | FR2726392B1 (fi) |
NZ (1) | NZ280224A (fi) |
Families Citing this family (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2729804B1 (fr) * | 1995-01-24 | 1997-04-04 | Matra Communication | Annuleur d'echo acoustique a filtre adaptatif et passage dans le domaine frequentiel |
JP2921472B2 (ja) * | 1996-03-15 | 1999-07-19 | 日本電気株式会社 | 音声および雑音の除去装置、音声認識装置 |
US6192087B1 (en) | 1996-11-15 | 2001-02-20 | Conexant Systems, Inc. | Method and apparatus for spectral shaping in signal-point limited transmission systems |
US6278744B1 (en) | 1996-11-15 | 2001-08-21 | Conexant Systems, Inc. | System for controlling and shaping the spectrum and redundancy of signal-point limited transmission |
US5933495A (en) * | 1997-02-07 | 1999-08-03 | Texas Instruments Incorporated | Subband acoustic noise suppression |
JP3361724B2 (ja) | 1997-06-11 | 2003-01-07 | 沖電気工業株式会社 | エコーキャンセラ装置 |
US7853024B2 (en) * | 1997-08-14 | 2010-12-14 | Silentium Ltd. | Active noise control system and method |
IL121555A (en) * | 1997-08-14 | 2008-07-08 | Silentium Ltd | Active acoustic noise reduction system |
US6115466A (en) * | 1998-03-12 | 2000-09-05 | Westell Technologies, Inc. | Subscriber line system having a dual-mode filter for voice communications over a telephone line |
US6144735A (en) * | 1998-03-12 | 2000-11-07 | Westell Technologies, Inc. | Filters for a digital subscriber line system for voice communication over a telephone line |
US6717991B1 (en) * | 1998-05-27 | 2004-04-06 | Telefonaktiebolaget Lm Ericsson (Publ) | System and method for dual microphone signal noise reduction using spectral subtraction |
US6549586B2 (en) * | 1999-04-12 | 2003-04-15 | Telefonaktiebolaget L M Ericsson | System and method for dual microphone signal noise reduction using spectral subtraction |
US6122610A (en) * | 1998-09-23 | 2000-09-19 | Verance Corporation | Noise suppression for low bitrate speech coder |
US6487257B1 (en) * | 1999-04-12 | 2002-11-26 | Telefonaktiebolaget L M Ericsson | Signal noise reduction by time-domain spectral subtraction using fixed filters |
US6507623B1 (en) * | 1999-04-12 | 2003-01-14 | Telefonaktiebolaget Lm Ericsson (Publ) | Signal noise reduction by time-domain spectral subtraction |
US6411656B1 (en) * | 1999-04-30 | 2002-06-25 | 3Com Corporation | Echo cancelling softmodem |
DE19925046A1 (de) * | 1999-06-01 | 2001-05-03 | Alcatel Sa | Verfahren und Vorrichtung zur Unterdrückung von Rauschen und Echos |
US6137880A (en) * | 1999-08-27 | 2000-10-24 | Westell Technologies, Inc. | Passive splitter filter for digital subscriber line voice communication for complex impedance terminations |
US7225001B1 (en) | 2000-04-24 | 2007-05-29 | Telefonaktiebolaget Lm Ericsson (Publ) | System and method for distributed noise suppression |
DE10043064B4 (de) * | 2000-09-01 | 2004-07-08 | Dietmar Dr. Ruwisch | Verfahren und Vorrichtung zur Elimination von Lautsprecherinterferenzen aus Mikrofonsignalen |
FR2820227B1 (fr) * | 2001-01-30 | 2003-04-18 | France Telecom | Procede et dispositif de reduction de bruit |
US6963760B2 (en) * | 2001-10-01 | 2005-11-08 | General Motors Corporation | Method and apparatus for generating DTMF tones using voice-recognition commands during hands-free communication in a vehicle |
JP2004061617A (ja) * | 2002-07-25 | 2004-02-26 | Fujitsu Ltd | 受話音声処理装置 |
KR20050026320A (ko) * | 2003-09-09 | 2005-03-15 | 삼성전자주식회사 | 데이터 재생 장치 및 방법 |
US7162212B2 (en) * | 2003-09-22 | 2007-01-09 | Agere Systems Inc. | System and method for obscuring unwanted ambient noise and handset and central office equipment incorporating the same |
US7065206B2 (en) * | 2003-11-20 | 2006-06-20 | Motorola, Inc. | Method and apparatus for adaptive echo and noise control |
US20070033030A1 (en) * | 2005-07-19 | 2007-02-08 | Oded Gottesman | Techniques for measurement, adaptation, and setup of an audio communication system |
EP1941492A1 (de) * | 2005-10-25 | 2008-07-09 | Anocsys AG | Verfahren zum schätzen eines nutzsignals mit hilfe eines adaptiven prozesses |
US7774396B2 (en) * | 2005-11-18 | 2010-08-10 | Dynamic Hearing Pty Ltd | Method and device for low delay processing |
US8385864B2 (en) * | 2006-02-21 | 2013-02-26 | Wolfson Dynamic Hearing Pty Ltd | Method and device for low delay processing |
JP4827661B2 (ja) * | 2006-08-30 | 2011-11-30 | 富士通株式会社 | 信号処理方法及び装置 |
US8855329B2 (en) * | 2007-01-22 | 2014-10-07 | Silentium Ltd. | Quiet fan incorporating active noise control (ANC) |
US7515703B1 (en) | 2008-05-19 | 2009-04-07 | International Business Machines Corporation | Method and system for determining conference call embellishment tones and transmission of same |
JP5056617B2 (ja) * | 2008-06-26 | 2012-10-24 | 沖電気工業株式会社 | 暗騒音抑圧・エコー消去装置、方法及びプログラム |
KR101737824B1 (ko) * | 2009-12-16 | 2017-05-19 | 삼성전자주식회사 | 잡음 환경의 입력신호로부터 잡음을 제거하는 방법 및 그 장치 |
JP5672437B2 (ja) * | 2010-09-14 | 2015-02-18 | カシオ計算機株式会社 | 雑音抑制装置、雑音抑制方法およびプログラム |
US9928824B2 (en) | 2011-05-11 | 2018-03-27 | Silentium Ltd. | Apparatus, system and method of controlling noise within a noise-controlled volume |
KR101797268B1 (ko) | 2011-05-11 | 2017-11-13 | 사일런티움 리미티드 | 소음 제어 디바이스, 시스템 및 방법 |
KR101306868B1 (ko) * | 2011-12-21 | 2013-09-10 | 황정진 | 미확인 시스템 모델링 방법 및 이를 이용한 하울링 제거 오디오 시스템 |
US8878678B2 (en) * | 2012-05-29 | 2014-11-04 | Cisco Technology, Inc. | Method and apparatus for providing an intelligent mute status reminder for an active speaker in a conference |
JP2014085609A (ja) * | 2012-10-26 | 2014-05-12 | Sony Corp | 信号処理装置および方法、並びに、プログラム |
CN103795473B (zh) * | 2012-11-02 | 2017-04-12 | 华为技术有限公司 | 消除工频干扰的方法和系统 |
CN103248337A (zh) * | 2013-05-29 | 2013-08-14 | 中国电子科技集团公司第二十二研究所 | 一种空时级联抑制斜向探测电离图外部干扰的方法 |
CN104702245A (zh) * | 2015-02-04 | 2015-06-10 | 航天科工深圳(集团)有限公司 | 抑制浪涌雷电波干扰的方法 |
US11488615B2 (en) | 2018-05-21 | 2022-11-01 | International Business Machines Corporation | Real-time assessment of call quality |
JP7348812B2 (ja) | 2019-10-31 | 2023-09-21 | 東京都公立大学法人 | 雑音抑制装置、雑音抑制方法及び音声入力機器 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4628529A (en) * | 1985-07-01 | 1986-12-09 | Motorola, Inc. | Noise suppression system |
JPS6343451A (ja) * | 1986-08-11 | 1988-02-24 | Mitsubishi Electric Corp | 拡声通話回路 |
JPS63108822A (ja) * | 1986-10-25 | 1988-05-13 | Nippon Telegr & Teleph Corp <Ntt> | 音声通話信号の雑音抑圧装置 |
AU633673B2 (en) * | 1990-01-18 | 1993-02-04 | Matsushita Electric Industrial Co., Ltd. | Signal processing device |
US5561667A (en) * | 1991-06-21 | 1996-10-01 | Gerlach; Karl R. | Systolic multiple channel band-partitioned noise canceller |
JPH0563609A (ja) * | 1991-09-05 | 1993-03-12 | Fujitsu Ltd | エコーキヤンセラ方式 |
FI92535C (fi) * | 1992-02-14 | 1994-11-25 | Nokia Mobile Phones Ltd | Kohinan vaimennusjärjestelmä puhesignaaleille |
US5416847A (en) * | 1993-02-12 | 1995-05-16 | The Walt Disney Company | Multi-band, digital audio noise filter |
US5329587A (en) * | 1993-03-12 | 1994-07-12 | At&T Bell Laboratories | Low-delay subband adaptive filter |
US5406622A (en) * | 1993-09-02 | 1995-04-11 | At&T Corp. | Outbound noise cancellation for telephonic handset |
-
1994
- 1994-10-28 FR FR9412964A patent/FR2726392B1/fr not_active Expired - Fee Related
-
1995
- 1995-10-12 NZ NZ280224A patent/NZ280224A/en unknown
- 1995-10-25 FI FI955086A patent/FI955086A/fi unknown
- 1995-10-25 DE DE69529328T patent/DE69529328T2/de not_active Expired - Lifetime
- 1995-10-25 AT AT95402385T patent/ATE230890T1/de not_active IP Right Cessation
- 1995-10-25 AU AU34442/95A patent/AU698081B2/en not_active Ceased
- 1995-10-25 EP EP95402385A patent/EP0710947B1/fr not_active Expired - Lifetime
- 1995-10-27 CA CA002161575A patent/CA2161575A1/fr not_active Abandoned
- 1995-10-27 US US08/549,549 patent/US5680393A/en not_active Expired - Lifetime
- 1995-10-30 JP JP7282150A patent/JPH08213936A/ja not_active Withdrawn
-
2006
- 2006-12-01 JP JP2006325241A patent/JP4567655B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FI955086A0 (fi) | 1995-10-25 |
EP0710947A1 (fr) | 1996-05-08 |
AU698081B2 (en) | 1998-10-22 |
FR2726392B1 (fr) | 1997-01-10 |
AU3444295A (en) | 1996-05-09 |
NZ280224A (en) | 1997-02-24 |
JP2007129736A (ja) | 2007-05-24 |
FR2726392A1 (fr) | 1996-05-03 |
ATE230890T1 (de) | 2003-01-15 |
DE69529328D1 (de) | 2003-02-13 |
JPH08213936A (ja) | 1996-08-20 |
EP0710947B1 (fr) | 2003-01-08 |
US5680393A (en) | 1997-10-21 |
JP4567655B2 (ja) | 2010-10-20 |
CA2161575A1 (fr) | 1996-04-29 |
DE69529328T2 (de) | 2003-09-04 |
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