AU3690197A - Speech/audio coding with non-linear spectral-amplitude transformation - Google Patents

Speech/audio coding with non-linear spectral-amplitude transformation

Info

Publication number
AU3690197A
AU3690197A AU36901/97A AU3690197A AU3690197A AU 3690197 A AU3690197 A AU 3690197A AU 36901/97 A AU36901/97 A AU 36901/97A AU 3690197 A AU3690197 A AU 3690197A AU 3690197 A AU3690197 A AU 3690197A
Authority
AU
Australia
Prior art keywords
speech
audio coding
linear spectral
amplitude transformation
transformation
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU36901/97A
Inventor
Jean-Pierre Adoul
Claude Laflamme
Roch Lefebvre
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Universite de Sherbrooke
Original Assignee
Universite de Sherbrooke
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 Universite de Sherbrooke filed Critical Universite de Sherbrooke
Publication of AU3690197A publication Critical patent/AU3690197A/en
Abandoned legal-status Critical Current

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
    • 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
    • G10L19/0204—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 subband decomposition
    • 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
    • G10L21/0264—Noise filtering characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive techniques
    • 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
    • G10L25/27—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the analysis technique

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AU36901/97A 1996-08-02 1997-07-30 Speech/audio coding with non-linear spectral-amplitude transformation Abandoned AU3690197A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US2298696P 1996-08-02 1996-08-02
US60022986 1996-08-02
PCT/CA1997/000543 WO1998006090A1 (en) 1996-08-02 1997-07-30 Speech/audio coding with non-linear spectral-amplitude transformation

Publications (1)

Publication Number Publication Date
AU3690197A true AU3690197A (en) 1998-02-25

Family

ID=21812476

Family Applications (1)

Application Number Title Priority Date Filing Date
AU36901/97A Abandoned AU3690197A (en) 1996-08-02 1997-07-30 Speech/audio coding with non-linear spectral-amplitude transformation

Country Status (2)

Country Link
AU (1) AU3690197A (en)
WO (1) WO1998006090A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6604071B1 (en) * 1999-02-09 2003-08-05 At&T Corp. Speech enhancement with gain limitations based on speech activity
FR2824978B1 (en) * 2001-05-15 2003-09-19 Wavecom Sa DEVICE AND METHOD FOR PROCESSING AN AUDIO SIGNAL
FR2826492B1 (en) * 2001-06-22 2003-09-26 Thales Sa METHOD AND SYSTEM FOR PRE AND AFTER-PROCESSING OF AN AUDIO SIGNAL FOR TRANSMISSION ON A HIGHLY DISTURBED CHANNEL
AUPR647501A0 (en) * 2001-07-19 2001-08-09 Vast Audio Pty Ltd Recording a three dimensional auditory scene and reproducing it for the individual listener
KR100612889B1 (en) 2005-02-05 2006-08-14 삼성전자주식회사 Method and apparatus for recovering line spectrum pair parameter and speech decoding apparatus thereof
US8249861B2 (en) 2005-04-20 2012-08-21 Qnx Software Systems Limited High frequency compression integration
US8086451B2 (en) 2005-04-20 2011-12-27 Qnx Software Systems Co. System for improving speech intelligibility through high frequency compression
US7813931B2 (en) 2005-04-20 2010-10-12 QNX Software Systems, Co. System for improving speech quality and intelligibility with bandwidth compression/expansion
US8311840B2 (en) * 2005-06-28 2012-11-13 Qnx Software Systems Limited Frequency extension of harmonic signals
US7720677B2 (en) 2005-11-03 2010-05-18 Coding Technologies Ab Time warped modified transform coding of audio signals
US7546237B2 (en) 2005-12-23 2009-06-09 Qnx Software Systems (Wavemakers), Inc. Bandwidth extension of narrowband speech
US7912729B2 (en) 2007-02-23 2011-03-22 Qnx Software Systems Co. High-frequency bandwidth extension in the time domain
WO2023056920A1 (en) * 2021-10-05 2023-04-13 Huawei Technologies Co., Ltd. Multilayer perceptron neural network for speech processing

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4937873A (en) * 1985-03-18 1990-06-26 Massachusetts Institute Of Technology Computationally efficient sine wave synthesis for acoustic waveform processing
US5394508A (en) * 1992-01-17 1995-02-28 Massachusetts Institute Of Technology Method and apparatus for encoding decoding and compression of audio-type data

Also Published As

Publication number Publication date
WO1998006090A1 (en) 1998-02-12

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