ATE297590T1 - Exponentielle echo- und geräuschabsenkung in sprachpausen - Google Patents
Exponentielle echo- und geräuschabsenkung in sprachpausenInfo
- Publication number
- ATE297590T1 ATE297590T1 AT00124577T AT00124577T ATE297590T1 AT E297590 T1 ATE297590 T1 AT E297590T1 AT 00124577 T AT00124577 T AT 00124577T AT 00124577 T AT00124577 T AT 00124577T AT E297590 T1 ATE297590 T1 AT E297590T1
- Authority
- AT
- Austria
- Prior art keywords
- noise reduction
- reduction during
- during speech
- echo
- exponential
- Prior art date
Links
- 230000003595 spectral effect Effects 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
-
- 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
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/012—Comfort noise or silence coding
-
- 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
- G10L2021/02082—Noise filtering the noise being echo, reverberation of the 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
- 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
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
- G10L2021/02168—Noise filtering characterised by the method used for estimating noise the estimation exclusively taking place during speech pauses
Landscapes
- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Telephone Function (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19957221A DE19957221A1 (de) | 1999-11-27 | 1999-11-27 | Exponentielle Echo- und Geräuschabsenkung in Sprachpausen |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE297590T1 true ATE297590T1 (de) | 2005-06-15 |
Family
ID=7930611
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT00124577T ATE297590T1 (de) | 1999-11-27 | 2000-11-10 | Exponentielle echo- und geräuschabsenkung in sprachpausen |
Country Status (6)
Country | Link |
---|---|
US (1) | US6999920B1 (de) |
EP (1) | EP1103956B1 (de) |
JP (1) | JP2001202100A (de) |
KR (1) | KR20010051980A (de) |
AT (1) | ATE297590T1 (de) |
DE (2) | DE19957221A1 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10030926A1 (de) * | 2000-06-24 | 2002-01-03 | Alcatel Sa | Störsignalabhängige adaptive Echounterdrückung |
US7428223B2 (en) * | 2001-09-26 | 2008-09-23 | Siemens Corporation | Method for background noise reduction and performance improvement in voice conferencing over packetized networks |
DE10150519B4 (de) * | 2001-10-12 | 2014-01-09 | Hewlett-Packard Development Co., L.P. | Verfahren und Anordnung zur Sprachverarbeitung |
US7158572B2 (en) * | 2002-02-14 | 2007-01-02 | Tellabs Operations, Inc. | Audio enhancement communication techniques |
DE10216322B4 (de) * | 2002-04-13 | 2004-07-15 | Güttler, Gerhard, Prof. Dr. | Stimmenkonverter |
US7366295B2 (en) * | 2003-08-14 | 2008-04-29 | John David Patton | Telephone signal generator and methods and devices using the same |
US8394114B2 (en) * | 2003-09-26 | 2013-03-12 | Medtronic, Inc. | Surgical connection apparatus and methods |
US20060104460A1 (en) * | 2004-11-18 | 2006-05-18 | Motorola, Inc. | Adaptive time-based noise suppression |
JP4283212B2 (ja) | 2004-12-10 | 2009-06-24 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 雑音除去装置、雑音除去プログラム、及び雑音除去方法 |
US7599357B1 (en) * | 2004-12-14 | 2009-10-06 | At&T Corp. | Method and apparatus for detecting and correcting electrical interference in a conference call |
US7599719B2 (en) | 2005-02-14 | 2009-10-06 | John D. Patton | Telephone and telephone accessory signal generator and methods and devices using the same |
US7430048B2 (en) | 2005-02-16 | 2008-09-30 | Applied Biosystems Inc. | Axial illumination for capillary electrophoresis |
JP4562573B2 (ja) * | 2005-03-30 | 2010-10-13 | ローランド株式会社 | ハウリング防止装置 |
US8509450B2 (en) * | 2010-08-23 | 2013-08-13 | Cambridge Silicon Radio Limited | Dynamic audibility enhancement |
KR102413692B1 (ko) | 2015-07-24 | 2022-06-27 | 삼성전자주식회사 | 음성 인식을 위한 음향 점수 계산 장치 및 방법, 음성 인식 장치 및 방법, 전자 장치 |
KR102192678B1 (ko) | 2015-10-16 | 2020-12-17 | 삼성전자주식회사 | 음향 모델 입력 데이터의 정규화 장치 및 방법과, 음성 인식 장치 |
GB2551499B (en) * | 2016-06-17 | 2021-05-12 | Toshiba Kk | A speech processing system and speech processing method |
CN107274909A (zh) * | 2017-06-16 | 2017-10-20 | 深圳市华域无线技术股份有限公司 | 一种语音识别中的主动式本机音频消除方法 |
CN111128213B (zh) * | 2019-12-10 | 2022-09-27 | 展讯通信(上海)有限公司 | 一种分频段进行处理的噪声抑制方法及其系统 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US786760A (en) * | 1904-06-15 | 1905-04-04 | Hartshorn Bros | Couch. |
NL8000361A (nl) * | 1980-01-21 | 1981-08-17 | Philips Nv | Inrichting en werkwijze voor het opwekken van een spraaksignaal. |
JPS57212831A (en) * | 1981-06-24 | 1982-12-27 | Kokusai Denshin Denwa Co Ltd <Kdd> | Echo controlling system |
US4630304A (en) * | 1985-07-01 | 1986-12-16 | Motorola, Inc. | Automatic background noise estimator for a noise suppression system |
JP3080641B2 (ja) * | 1990-07-24 | 2000-08-28 | 株式会社東芝 | エコーキャンセラ |
US5369711A (en) * | 1990-08-31 | 1994-11-29 | Bellsouth Corporation | Automatic gain control for a headset |
US5537509A (en) * | 1990-12-06 | 1996-07-16 | Hughes Electronics | Comfort noise generation for digital communication systems |
DE4229912A1 (de) * | 1992-09-08 | 1994-03-10 | Sel Alcatel Ag | Verfahren zum Verbessern der Übertragungseigenschaften einer elektroakustischen Anlage |
US5533133A (en) * | 1993-03-26 | 1996-07-02 | Hughes Aircraft Company | Noise suppression in digital voice communications systems |
JP3152171B2 (ja) * | 1997-06-16 | 2001-04-03 | 日本電気株式会社 | 適応フィルタ及びステップサイズ制御方法及びプログラムを記録した記録媒体 |
US6549587B1 (en) * | 1999-09-20 | 2003-04-15 | Broadcom Corporation | Voice and data exchange over a packet based network with timing recovery |
-
1999
- 1999-11-27 DE DE19957221A patent/DE19957221A1/de not_active Ceased
-
2000
- 2000-11-10 DE DE50010504T patent/DE50010504D1/de not_active Expired - Lifetime
- 2000-11-10 EP EP00124577A patent/EP1103956B1/de not_active Expired - Lifetime
- 2000-11-10 AT AT00124577T patent/ATE297590T1/de not_active IP Right Cessation
- 2000-11-16 JP JP2000349077A patent/JP2001202100A/ja not_active Withdrawn
- 2000-11-21 US US09/716,272 patent/US6999920B1/en not_active Expired - Lifetime
- 2000-11-27 KR KR1020000071015A patent/KR20010051980A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP1103956A2 (de) | 2001-05-30 |
US6999920B1 (en) | 2006-02-14 |
DE19957221A1 (de) | 2001-05-31 |
DE50010504D1 (de) | 2005-07-14 |
EP1103956A3 (de) | 2001-12-05 |
KR20010051980A (ko) | 2001-06-25 |
JP2001202100A (ja) | 2001-07-27 |
EP1103956B1 (de) | 2005-06-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
REN | Ceased due to non-payment of the annual fee |