ATE319160T1 - Verfahren zur rauschrobusten klassifikation in der sprachkodierung - Google Patents

Verfahren zur rauschrobusten klassifikation in der sprachkodierung

Info

Publication number
ATE319160T1
ATE319160T1 AT01955487T AT01955487T ATE319160T1 AT E319160 T1 ATE319160 T1 AT E319160T1 AT 01955487 T AT01955487 T AT 01955487T AT 01955487 T AT01955487 T AT 01955487T AT E319160 T1 ATE319160 T1 AT E319160T1
Authority
AT
Austria
Prior art keywords
noise
speech
parameters
classification
frame
Prior art date
Application number
AT01955487T
Other languages
German (de)
English (en)
Inventor
Jes Thyssen
Original Assignee
Mindspeed Tech Inc
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 Mindspeed Tech Inc filed Critical Mindspeed Tech Inc
Application granted granted Critical
Publication of ATE319160T1 publication Critical patent/ATE319160T1/de

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
    • 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
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
    • 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
    • G10L21/0208—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
    • 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
    • G10L2025/783—Detection of presence or absence of voice signals based on threshold decision

Landscapes

  • 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)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
AT01955487T 2000-08-21 2001-08-17 Verfahren zur rauschrobusten klassifikation in der sprachkodierung ATE319160T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/643,017 US6983242B1 (en) 2000-08-21 2000-08-21 Method for robust classification in speech coding

Publications (1)

Publication Number Publication Date
ATE319160T1 true ATE319160T1 (de) 2006-03-15

Family

ID=24579015

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01955487T ATE319160T1 (de) 2000-08-21 2001-08-17 Verfahren zur rauschrobusten klassifikation in der sprachkodierung

Country Status (8)

Country Link
US (1) US6983242B1 (enExample)
EP (1) EP1312075B1 (enExample)
JP (2) JP2004511003A (enExample)
CN (2) CN1302460C (enExample)
AT (1) ATE319160T1 (enExample)
AU (1) AU2001277647A1 (enExample)
DE (1) DE60117558T2 (enExample)
WO (1) WO2002017299A1 (enExample)

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US7698132B2 (en) * 2002-12-17 2010-04-13 Qualcomm Incorporated Sub-sampled excitation waveform codebooks
GB0321093D0 (en) * 2003-09-09 2003-10-08 Nokia Corp Multi-rate coding
KR101008022B1 (ko) * 2004-02-10 2011-01-14 삼성전자주식회사 유성음 및 무성음 검출방법 및 장치
KR100735246B1 (ko) * 2005-09-12 2007-07-03 삼성전자주식회사 오디오 신호 전송 장치 및 방법
CN100483509C (zh) * 2006-12-05 2009-04-29 华为技术有限公司 声音信号分类方法和装置
CN101197130B (zh) * 2006-12-07 2011-05-18 华为技术有限公司 声音活动检测方法和声音活动检测器
EP2118892B1 (en) * 2007-02-12 2010-07-14 Dolby Laboratories Licensing Corporation Improved ratio of speech to non-speech audio such as for elderly or hearing-impaired listeners
KR100930584B1 (ko) * 2007-09-19 2009-12-09 한국전자통신연구원 인간 음성의 유성음 특징을 이용한 음성 판별 방법 및 장치
JP5377167B2 (ja) * 2009-09-03 2013-12-25 株式会社レイトロン 悲鳴検出装置および悲鳴検出方法
ES2371619B1 (es) * 2009-10-08 2012-08-08 Telefónica, S.A. Procedimiento de detección de segmentos de voz.
EP2490214A4 (en) * 2009-10-15 2012-10-24 Huawei Tech Co Ltd METHOD, DEVICE AND SYSTEM FOR SIGNAL PROCESSING
CN102467669B (zh) * 2010-11-17 2015-11-25 北京北大千方科技有限公司 一种在激光检测中提高匹配精度的方法和设备
US9240191B2 (en) 2011-04-28 2016-01-19 Telefonaktiebolaget L M Ericsson (Publ) Frame based audio signal classification
US8990074B2 (en) * 2011-05-24 2015-03-24 Qualcomm Incorporated Noise-robust speech coding mode classification
CN102314884B (zh) * 2011-08-16 2013-01-02 捷思锐科技（北京）有限公司 语音激活检测方法与装置
CN103177728B (zh) * 2011-12-21 2015-07-29 中国移动通信集团广西有限公司 语音信号降噪处理方法及装置
KR20150032390A (ko) * 2013-09-16 2015-03-26 삼성전자주식회사 음성 명료도 향상을 위한 음성 신호 처리 장치 및 방법
US9886963B2 (en) * 2015-04-05 2018-02-06 Qualcomm Incorporated Encoder selection
CN113571036B (zh) * 2021-06-18 2023-08-18 上海淇玥信息技术有限公司 一种低质数据的自动化合成方法、装置及电子设备

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US5491771A (en) * 1993-03-26 1996-02-13 Hughes Aircraft Company Real-time implementation of a 8Kbps CELP coder on a DSP pair
US5459814A (en) * 1993-03-26 1995-10-17 Hughes Aircraft Company Voice activity detector for speech signals in variable background noise
CA2136891A1 (en) * 1993-12-20 1995-06-21 Kalyan Ganesan Removal of swirl artifacts from celp based speech coders
JP2897628B2 (ja) * 1993-12-24 1999-05-31 三菱電機株式会社 音声検出器
BR9610290A (pt) * 1995-09-14 1999-03-16 Ericsson Ge Mobile Inc Processo para aumentar a inteligibilidade de voz em sinais de áudio aparelho para reduzir ruído em quadros recebidos de sinais de áudio digitalizados e sistema de telecomunicações
JPH09152894A (ja) * 1995-11-30 1997-06-10 Denso Corp 有音無音判別器
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JPH1020891A (ja) * 1996-07-09 1998-01-23 Sony Corp 音声符号化方法及び装置
JPH10124097A (ja) * 1996-10-21 1998-05-15 Olympus Optical Co Ltd 音声記録再生装置
WO1999010719A1 (en) * 1997-08-29 1999-03-04 The Regents Of The University Of California Method and apparatus for hybrid coding of speech at 4kbps
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US6240386B1 (en) * 1998-08-24 2001-05-29 Conexant Systems, Inc. Speech codec employing noise classification for noise compensation
US6636829B1 (en) * 1999-09-22 2003-10-21 Mindspeed Technologies, Inc. Speech communication system and method for handling lost frames

Also Published As

Publication number Publication date
JP2004511003A (ja) 2004-04-08
EP1312075A1 (en) 2003-05-21
EP1312075B1 (en) 2006-03-01
CN1210685C (zh) 2005-07-13
US6983242B1 (en) 2006-01-03
DE60117558D1 (de) 2006-04-27
JP2008058983A (ja) 2008-03-13
WO2002017299A1 (en) 2002-02-28
CN1447963A (zh) 2003-10-08
AU2001277647A1 (en) 2002-03-04
CN1302460C (zh) 2007-02-28
DE60117558T2 (de) 2006-08-10
CN1624766A (zh) 2005-06-08

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