CN1318187A - 具备背景噪声再现的语音编码 - Google Patents
具备背景噪声再现的语音编码 Download PDFInfo
- Publication number
- CN1318187A CN1318187A CN99810944A CN99810944A CN1318187A CN 1318187 A CN1318187 A CN 1318187A CN 99810944 A CN99810944 A CN 99810944A CN 99810944 A CN99810944 A CN 99810944A CN 1318187 A CN1318187 A CN 1318187A
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- 238000001514 detection method Methods 0.000 claims 2
- 206010038743 Restlessness Diseases 0.000 description 24
- 230000003595 spectral effect Effects 0.000 description 9
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Images
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
- 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
- G10L19/04—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 using predictive techniques
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
-
- 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
- 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
- G10L19/04—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 using predictive techniques
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/083—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being an excitation gain
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- Engineering & Computer Science (AREA)
- Computational Linguistics (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)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Abstract
Description
Claims (33)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/154,361 | 1998-09-16 | ||
US09/154,361 US6275798B1 (en) | 1998-09-16 | 1998-09-16 | Speech coding with improved background noise reproduction |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1318187A true CN1318187A (zh) | 2001-10-17 |
CN1244090C CN1244090C (zh) | 2006-03-01 |
Family
ID=22551052
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB998109444A Expired - Lifetime CN1244090C (zh) | 1998-09-16 | 1999-09-10 | 具备背景噪声再现的语音编码 |
Country Status (15)
Country | Link |
---|---|
US (1) | US6275798B1 (zh) |
EP (2) | EP1879176B1 (zh) |
JP (1) | JP4309060B2 (zh) |
KR (1) | KR100688069B1 (zh) |
CN (1) | CN1244090C (zh) |
AU (1) | AU6377499A (zh) |
BR (1) | BR9913754A (zh) |
CA (1) | CA2340160C (zh) |
DE (2) | DE69942288D1 (zh) |
HK (1) | HK1117629A1 (zh) |
MY (1) | MY126550A (zh) |
RU (1) | RU2001110168A (zh) |
TW (1) | TW454167B (zh) |
WO (1) | WO2000016313A1 (zh) |
ZA (1) | ZA200101222B (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008148321A1 (fr) * | 2007-06-05 | 2008-12-11 | Huawei Technologies Co., Ltd. | Appareil de codage et de décodage et procédé de traitement du bruit de fond et dispositif de communication utilisant cet appareil |
CN1922660B (zh) * | 2004-02-24 | 2010-06-09 | 松下电器产业株式会社 | 通信装置和通信方法 |
CN110574296A (zh) * | 2017-05-11 | 2019-12-13 | 罗伯特·博世有限公司 | 尤其是能使用在电池组系统中的通信系统的信号处理设备 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6453285B1 (en) * | 1998-08-21 | 2002-09-17 | Polycom, Inc. | Speech activity detector for use in noise reduction system, and methods therefor |
JP2000172283A (ja) * | 1998-12-01 | 2000-06-23 | Nec Corp | 有音検出方式及び方法 |
JP3451998B2 (ja) * | 1999-05-31 | 2003-09-29 | 日本電気株式会社 | 無音声符号化を含む音声符号化・復号装置、復号化方法及びプログラムを記録した記録媒体 |
US8566086B2 (en) * | 2005-06-28 | 2013-10-22 | Qnx Software Systems Limited | System for adaptive enhancement of speech signals |
EP3629328A1 (en) | 2007-03-05 | 2020-04-01 | Telefonaktiebolaget LM Ericsson (publ) | Method and arrangement for smoothing of stationary background noise |
PL2118889T3 (pl) | 2007-03-05 | 2013-03-29 | Ericsson Telefon Ab L M | Sposób i sterownik do wygładzania stacjonarnego szumu tła |
CN102667927B (zh) * | 2009-10-19 | 2013-05-08 | 瑞典爱立信有限公司 | 语音活动检测的方法和背景估计器 |
JP5840075B2 (ja) * | 2012-06-01 | 2016-01-06 | 日本電信電話株式会社 | 音声波形データベース生成装置、方法、プログラム |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4630305A (en) * | 1985-07-01 | 1986-12-16 | Motorola, Inc. | Automatic gain selector for a noise suppression system |
US4969192A (en) | 1987-04-06 | 1990-11-06 | Voicecraft, Inc. | Vector adaptive predictive coder for speech and audio |
IL84948A0 (en) * | 1987-12-25 | 1988-06-30 | D S P Group Israel Ltd | Noise reduction system |
US5179626A (en) * | 1988-04-08 | 1993-01-12 | At&T Bell Laboratories | Harmonic speech coding arrangement where a set of parameters for a continuous magnitude spectrum is determined by a speech analyzer and the parameters are used by a synthesizer to determine a spectrum which is used to determine senusoids for synthesis |
US5008941A (en) * | 1989-03-31 | 1991-04-16 | Kurzweil Applied Intelligence, Inc. | Method and apparatus for automatically updating estimates of undesirable components of the speech signal in a speech recognition system |
US5148489A (en) * | 1990-02-28 | 1992-09-15 | Sri International | Method for spectral estimation to improve noise robustness for speech recognition |
US5233660A (en) * | 1991-09-10 | 1993-08-03 | At&T Bell Laboratories | Method and apparatus for low-delay celp speech coding and decoding |
US5615298A (en) * | 1994-03-14 | 1997-03-25 | Lucent Technologies Inc. | Excitation signal synthesis during frame erasure or packet loss |
US5991725A (en) * | 1995-03-07 | 1999-11-23 | Advanced Micro Devices, Inc. | System and method for enhanced speech quality in voice storage and retrieval systems |
WO1996034382A1 (en) | 1995-04-28 | 1996-10-31 | Northern Telecom Limited | Methods and apparatus for distinguishing speech intervals from noise intervals in audio signals |
US5794199A (en) | 1996-01-29 | 1998-08-11 | Texas Instruments Incorporated | Method and system for improved discontinuous speech transmission |
US5960389A (en) | 1996-11-15 | 1999-09-28 | Nokia Mobile Phones Limited | Methods for generating comfort noise during discontinuous transmission |
-
1998
- 1998-09-16 US US09/154,361 patent/US6275798B1/en not_active Expired - Lifetime
-
1999
- 1999-08-16 TW TW088113970A patent/TW454167B/zh not_active IP Right Cessation
- 1999-08-25 MY MYPI99003657A patent/MY126550A/en unknown
- 1999-09-10 EP EP07002235A patent/EP1879176B1/en not_active Expired - Lifetime
- 1999-09-10 WO PCT/SE1999/001582 patent/WO2000016313A1/en active IP Right Grant
- 1999-09-10 JP JP2000570769A patent/JP4309060B2/ja not_active Expired - Lifetime
- 1999-09-10 DE DE69942288T patent/DE69942288D1/de not_active Expired - Lifetime
- 1999-09-10 BR BR9913754-2A patent/BR9913754A/pt not_active IP Right Cessation
- 1999-09-10 DE DE69935233T patent/DE69935233T2/de not_active Expired - Lifetime
- 1999-09-10 RU RU2001110168/09A patent/RU2001110168A/ru not_active Application Discontinuation
- 1999-09-10 CN CNB998109444A patent/CN1244090C/zh not_active Expired - Lifetime
- 1999-09-10 AU AU63774/99A patent/AU6377499A/en not_active Abandoned
- 1999-09-10 EP EP99951312A patent/EP1112568B1/en not_active Expired - Lifetime
- 1999-09-10 KR KR1020017002853A patent/KR100688069B1/ko not_active IP Right Cessation
- 1999-09-10 CA CA2340160A patent/CA2340160C/en not_active Expired - Lifetime
-
2001
- 2001-02-13 ZA ZA200101222A patent/ZA200101222B/en unknown
-
2008
- 2008-07-16 HK HK08107885.5A patent/HK1117629A1/xx not_active IP Right Cessation
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1922660B (zh) * | 2004-02-24 | 2010-06-09 | 松下电器产业株式会社 | 通信装置和通信方法 |
WO2008148321A1 (fr) * | 2007-06-05 | 2008-12-11 | Huawei Technologies Co., Ltd. | Appareil de codage et de décodage et procédé de traitement du bruit de fond et dispositif de communication utilisant cet appareil |
CN110574296A (zh) * | 2017-05-11 | 2019-12-13 | 罗伯特·博世有限公司 | 尤其是能使用在电池组系统中的通信系统的信号处理设备 |
CN110574296B (zh) * | 2017-05-11 | 2022-06-07 | 罗伯特·博世有限公司 | 用于电池组系统中通信系统的信号处理设备 |
Also Published As
Publication number | Publication date |
---|---|
WO2000016313A1 (en) | 2000-03-23 |
DE69935233D1 (de) | 2007-04-05 |
JP2002525665A (ja) | 2002-08-13 |
EP1112568A1 (en) | 2001-07-04 |
CA2340160C (en) | 2010-11-30 |
CA2340160A1 (en) | 2000-03-23 |
EP1879176B1 (en) | 2010-04-21 |
HK1117629A1 (en) | 2009-01-16 |
US6275798B1 (en) | 2001-08-14 |
BR9913754A (pt) | 2001-06-12 |
MY126550A (en) | 2006-10-31 |
CN1244090C (zh) | 2006-03-01 |
KR20010090438A (ko) | 2001-10-18 |
KR100688069B1 (ko) | 2007-02-28 |
TW454167B (en) | 2001-09-11 |
EP1112568B1 (en) | 2007-02-21 |
ZA200101222B (en) | 2001-08-16 |
AU6377499A (en) | 2000-04-03 |
JP4309060B2 (ja) | 2009-08-05 |
EP1879176A2 (en) | 2008-01-16 |
EP1879176A3 (en) | 2008-09-10 |
RU2001110168A (ru) | 2003-03-10 |
DE69942288D1 (de) | 2010-06-02 |
DE69935233T2 (de) | 2007-10-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C35 | Partial or whole invalidation of patent or utility model | ||
IP01 | Partial invalidation of patent right |
Commission number: 4W02767 Conclusion of examination: Modify the text on the basis of the requirements of the patent rights declaration submitted on November 25, 2009, No. 99810944.4 invention rights requirements 8, 18, 22, 23 invalid, based in 1-7, 9-17, claims 19-21 continued to maintain the validity of the patents. Decision date of declaring invalidation: 20110524 Decision number of declaring invalidation: 16563 Denomination of invention: Speech coding with background noise reproduction Granted publication date: 20060301 Patentee: Ericsson Telephone AB |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20060301 |