AU2002215135A1 - System for coding speech information using an adaptive codebook with enhanced variable resolution scheme - Google Patents

System for coding speech information using an adaptive codebook with enhanced variable resolution scheme

Info

Publication number
AU2002215135A1
AU2002215135A1 AU2002215135A AU1513502A AU2002215135A1 AU 2002215135 A1 AU2002215135 A1 AU 2002215135A1 AU 2002215135 A AU2002215135 A AU 2002215135A AU 1513502 A AU1513502 A AU 1513502A AU 2002215135 A1 AU2002215135 A1 AU 2002215135A1
Authority
AU
Australia
Prior art keywords
speech information
adaptive codebook
variable resolution
enhanced variable
resolution scheme
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
AU2002215135A
Inventor
Yang Gao
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.)
Conexant Systems LLC
Original Assignee
Conexant Systems LLC
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 Conexant Systems LLC filed Critical Conexant Systems LLC
Publication of AU2002215135A1 publication Critical patent/AU2002215135A1/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
    • G10L19/04—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
    • 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
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0011—Long term prediction filters, i.e. pitch estimation

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)
AU2002215135A 2000-09-15 2001-09-17 System for coding speech information using an adaptive codebook with enhanced variable resolution scheme Abandoned AU2002215135A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US23304600P 2000-09-15 2000-09-15
US60233046 2000-09-15
US09782383 2001-02-12
US09/782,383 US6760698B2 (en) 2000-09-15 2001-02-12 System for coding speech information using an adaptive codebook with enhanced variable resolution scheme
PCT/IB2001/001720 WO2002023531A1 (en) 2000-09-15 2001-09-17 System for coding speech information using an adaptive codebook with enhanced variable resolution scheme

Publications (1)

Publication Number Publication Date
AU2002215135A1 true AU2002215135A1 (en) 2002-03-26

Family

ID=26926587

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002215135A Abandoned AU2002215135A1 (en) 2000-09-15 2001-09-17 System for coding speech information using an adaptive codebook with enhanced variable resolution scheme

Country Status (3)

Country Link
US (1) US6760698B2 (en)
AU (1) AU2002215135A1 (en)
WO (1) WO2002023531A1 (en)

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US6996522B2 (en) * 2001-03-13 2006-02-07 Industrial Technology Research Institute Celp-Based speech coding for fine grain scalability by altering sub-frame pitch-pulse
US6934677B2 (en) 2001-12-14 2005-08-23 Microsoft Corporation Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands
US7240001B2 (en) 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
US20030135374A1 (en) * 2002-01-16 2003-07-17 Hardwick John C. Speech synthesizer
WO2003079330A1 (en) * 2002-03-12 2003-09-25 Dilithium Networks Pty Limited Method for adaptive codebook pitch-lag computation in audio transcoders
US7502743B2 (en) * 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
US7460990B2 (en) 2004-01-23 2008-12-02 Microsoft Corporation Efficient coding of digital media spectral data using wide-sense perceptual similarity
US7562021B2 (en) * 2005-07-15 2009-07-14 Microsoft Corporation Modification of codewords in dictionary used for efficient coding of digital media spectral data
US7630882B2 (en) * 2005-07-15 2009-12-08 Microsoft Corporation Frequency segmentation to obtain bands for efficient coding of digital media
US9058812B2 (en) * 2005-07-27 2015-06-16 Google Technology Holdings LLC Method and system for coding an information signal using pitch delay contour adjustment
KR20080101873A (en) * 2006-01-18 2008-11-21 연세대학교 산학협력단 Apparatus and method for encoding and decoding signal
US7953604B2 (en) * 2006-01-20 2011-05-31 Microsoft Corporation Shape and scale parameters for extended-band frequency coding
US8190425B2 (en) * 2006-01-20 2012-05-29 Microsoft Corporation Complex cross-correlation parameters for multi-channel audio
US7831434B2 (en) 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding
US8688437B2 (en) 2006-12-26 2014-04-01 Huawei Technologies Co., Ltd. Packet loss concealment for speech coding
US7761290B2 (en) 2007-06-15 2010-07-20 Microsoft Corporation Flexible frequency and time partitioning in perceptual transform coding of audio
US8046214B2 (en) * 2007-06-22 2011-10-25 Microsoft Corporation Low complexity decoder for complex transform coding of multi-channel sound
US7885819B2 (en) * 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
US8249883B2 (en) * 2007-10-26 2012-08-21 Microsoft Corporation Channel extension coding for multi-channel source
US20090319263A1 (en) * 2008-06-20 2009-12-24 Qualcomm Incorporated Coding of transitional speech frames for low-bit-rate applications
JP5314771B2 (en) 2010-01-08 2013-10-16 日本電信電話株式会社 Encoding method, decoding method, encoding device, decoding device, program, and recording medium
EP2798631B1 (en) * 2011-12-21 2016-03-23 Huawei Technologies Co., Ltd. Adaptively encoding pitch lag for voiced speech
US9728200B2 (en) 2013-01-29 2017-08-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for adaptive formant sharpening in linear prediction coding
MX371425B (en) 2013-06-21 2020-01-29 Fraunhofer Ges Forschung Apparatus and method for improved concealment of the adaptive codebook in acelp-like concealment employing improved pitch lag estimation.
TR201808890T4 (en) 2013-06-21 2018-07-23 Fraunhofer Ges Forschung Restructuring a speech frame.
US9620134B2 (en) 2013-10-10 2017-04-11 Qualcomm Incorporated Gain shape estimation for improved tracking of high-band temporal characteristics
US10614816B2 (en) 2013-10-11 2020-04-07 Qualcomm Incorporated Systems and methods of communicating redundant frame information
US10083708B2 (en) 2013-10-11 2018-09-25 Qualcomm Incorporated Estimation of mixing factors to generate high-band excitation signal
US9384746B2 (en) 2013-10-14 2016-07-05 Qualcomm Incorporated Systems and methods of energy-scaled signal processing
US10163447B2 (en) 2013-12-16 2018-12-25 Qualcomm Incorporated High-band signal modeling

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2702590B1 (en) * 1993-03-12 1995-04-28 Dominique Massaloux Device for digital coding and decoding of speech, method for exploring a pseudo-logarithmic dictionary of LTP delays, and method for LTP analysis.
FR2729247A1 (en) * 1995-01-06 1996-07-12 Matra Communication SYNTHETIC ANALYSIS-SPEECH CODING METHOD
US6449590B1 (en) 1998-08-24 2002-09-10 Conexant Systems, Inc. Speech encoder using warping in long term preprocessing

Also Published As

Publication number Publication date
US6760698B2 (en) 2004-07-06
WO2002023531A1 (en) 2002-03-21
US20020147583A1 (en) 2002-10-10

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