IL158797A0 - Device and method for processing an audio signal - Google Patents

Device and method for processing an audio signal

Info

Publication number
IL158797A0
IL158797A0 IL15879702A IL15879702A IL158797A0 IL 158797 A0 IL158797 A0 IL 158797A0 IL 15879702 A IL15879702 A IL 15879702A IL 15879702 A IL15879702 A IL 15879702A IL 158797 A0 IL158797 A0 IL 158797A0
Authority
IL
Israel
Prior art keywords
processing
windows
audio signal
audio
signal
Prior art date
Application number
IL15879702A
Other languages
English (en)
Original Assignee
Wavecom
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 Wavecom filed Critical Wavecom
Publication of IL158797A0 publication Critical patent/IL158797A0/xx

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
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0212—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 spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Telephone Function (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Noise Elimination (AREA)
  • Stereophonic System (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
IL15879702A 2001-05-15 2002-05-15 Device and method for processing an audio signal IL158797A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0106412A FR2824978B1 (fr) 2001-05-15 2001-05-15 Dispositif et procede de traitement d'un signal audio
PCT/FR2002/001640 WO2002093558A1 (fr) 2001-05-15 2002-05-15 Dispositif et procede de traitement d'un signal audio.

Publications (1)

Publication Number Publication Date
IL158797A0 true IL158797A0 (en) 2004-05-12

Family

ID=8863317

Family Applications (2)

Application Number Title Priority Date Filing Date
IL15879702A IL158797A0 (en) 2001-05-15 2002-05-15 Device and method for processing an audio signal
IL158797A IL158797A (en) 2001-05-15 2003-11-10 Audio signal processing device and method

Family Applications After (1)

Application Number Title Priority Date Filing Date
IL158797A IL158797A (en) 2001-05-15 2003-11-10 Audio signal processing device and method

Country Status (10)

Country Link
US (1) US7295968B2 (xx)
EP (1) EP1395981B1 (xx)
JP (1) JP2004527797A (xx)
KR (1) KR20040005965A (xx)
CN (1) CN1223991C (xx)
AT (1) ATE377244T1 (xx)
DE (1) DE60223246D1 (xx)
FR (1) FR2824978B1 (xx)
IL (2) IL158797A0 (xx)
WO (1) WO2002093558A1 (xx)

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* Cited by examiner, † Cited by third party
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US8219391B2 (en) * 2005-02-15 2012-07-10 Raytheon Bbn Technologies Corp. Speech analyzing system with speech codebook
WO2007129316A2 (en) 2006-05-07 2007-11-15 Varcode Ltd. A system and method for improved quality management in a product logistic chain
US7562811B2 (en) 2007-01-18 2009-07-21 Varcode Ltd. System and method for improved quality management in a product logistic chain
CN101479788B (zh) * 2006-06-29 2012-01-11 Nxp股份有限公司 声音帧长度适配
JP2010526386A (ja) 2007-05-06 2010-07-29 バーコード リミティド バーコード標識を利用する品質管理のシステムと方法
CN101802812B (zh) * 2007-08-01 2015-07-01 金格软件有限公司 使用互联网语料库的自动的上下文相关的语言校正和增强
WO2009063464A2 (en) 2007-11-14 2009-05-22 Varcode Ltd. A system and method for quality management utilizing barcode indicators
US11704526B2 (en) 2008-06-10 2023-07-18 Varcode Ltd. Barcoded indicators for quality management
EP2531930A1 (en) 2010-02-01 2012-12-12 Ginger Software, Inc. Automatic context sensitive language correction using an internet corpus particularly for small keyboard devices
EP2372703A1 (en) 2010-03-11 2011-10-05 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Signal processor, window provider, encoded media signal, method for processing a signal and method for providing a window
US20140025374A1 (en) * 2012-07-22 2014-01-23 Xia Lou Speech enhancement to improve speech intelligibility and automatic speech recognition
US8807422B2 (en) 2012-10-22 2014-08-19 Varcode Ltd. Tamper-proof quality management barcode indicators
EP2848300A1 (en) * 2013-09-13 2015-03-18 Borealis AG Process for olefin production by metathesis and reactor system therefore
DE112014006281T5 (de) * 2014-01-28 2016-10-20 Mitsubishi Electric Corporation Tonsammelvorrichtung, Korrekturverfahren für Eingangssignal von Tonsammelvorrichtung und Mobilgeräte-Informationssystem
CN104914307B (zh) * 2015-04-23 2017-09-12 深圳市鼎阳科技有限公司 一种频谱仪及其多参数并行扫频的频谱测量方法
CN107615027B (zh) 2015-05-18 2020-03-27 发可有限公司 用于可激活质量标签的热致变色墨水标记
JP6898298B2 (ja) 2015-07-07 2021-07-07 バーコード リミティド 電子品質表示指標
US10594530B2 (en) * 2018-05-29 2020-03-17 Qualcomm Incorporated Techniques for successive peak reduction crest factor reduction
US20210020191A1 (en) * 2019-07-18 2021-01-21 DeepConvo Inc. Methods and systems for voice profiling as a service
WO2021126155A1 (en) * 2019-12-16 2021-06-24 Google Llc Amplitude-independent window sizes in audio encoding

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1062963C (zh) * 1990-04-12 2001-03-07 多尔拜实验特许公司 用于产生高质量声音信号的解码器和编码器
JPH07264144A (ja) * 1994-03-16 1995-10-13 Toshiba Corp 信号圧縮符号化装置および圧縮信号復号装置
FI100840B (fi) * 1995-12-12 1998-02-27 Nokia Mobile Phones Ltd Kohinanvaimennin ja menetelmä taustakohinan vaimentamiseksi kohinaises ta puheesta sekä matkaviestin
WO1998006090A1 (en) * 1996-08-02 1998-02-12 Universite De Sherbrooke Speech/audio coding with non-linear spectral-amplitude transformation
US5903872A (en) * 1997-10-17 1999-05-11 Dolby Laboratories Licensing Corporation Frame-based audio coding with additional filterbank to attenuate spectral splatter at frame boundaries
US5913191A (en) * 1997-10-17 1999-06-15 Dolby Laboratories Licensing Corporation Frame-based audio coding with additional filterbank to suppress aliasing artifacts at frame boundaries
US6418405B1 (en) * 1999-09-30 2002-07-09 Motorola, Inc. Method and apparatus for dynamic segmentation of a low bit rate digital voice message
US6370500B1 (en) * 1999-09-30 2002-04-09 Motorola, Inc. Method and apparatus for non-speech activity reduction of a low bit rate digital voice message
FI116643B (fi) * 1999-11-15 2006-01-13 Nokia Corp Kohinan vaimennus

Also Published As

Publication number Publication date
IL158797A (en) 2009-02-11
EP1395981A1 (fr) 2004-03-10
FR2824978B1 (fr) 2003-09-19
DE60223246D1 (de) 2007-12-13
EP1395981B1 (fr) 2007-10-31
CN1223991C (zh) 2005-10-19
JP2004527797A (ja) 2004-09-09
KR20040005965A (ko) 2004-01-16
FR2824978A1 (fr) 2002-11-22
WO2002093558A1 (fr) 2002-11-21
CN1520589A (zh) 2004-08-11
US7295968B2 (en) 2007-11-13
US20040236572A1 (en) 2004-11-25
ATE377244T1 (de) 2007-11-15

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