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AU2002232795A1 - Perceptual audio signal compression system and method - Google Patents

Perceptual audio signal compression system and method

Info

Publication number
AU2002232795A1
AU2002232795A1 AU2002232795A AU3279502A AU2002232795A1 AU 2002232795 A1 AU2002232795 A1 AU 2002232795A1 AU 2002232795 A AU2002232795 A AU 2002232795A AU 3279502 A AU3279502 A AU 3279502A AU 2002232795 A1 AU2002232795 A1 AU 2002232795A1
Authority
AU
Australia
Prior art keywords
audio signal
compression system
signal compression
perceptual audio
perceptual
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
AU2002232795A
Inventor
Ming Hong Chan
John Peter Princen
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.)
Vialta Inc
Original Assignee
Vialta 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 Vialta Inc filed Critical Vialta Inc
Publication of AU2002232795A1 publication Critical patent/AU2002232795A1/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
    • G10L19/0212—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
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00007—Time or data compression or expansion

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)
AU2002232795A 2000-11-22 2001-10-29 Perceptual audio signal compression system and method Abandoned AU2002232795A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/721,481 US6636830B1 (en) 2000-11-22 2000-11-22 System and method for noise reduction using bi-orthogonal modified discrete cosine transform
US09/721,481 2000-11-22
PCT/US2001/050146 WO2002043291A2 (en) 2000-11-22 2001-10-29 Perceptual audio signal compression system and method

Publications (1)

Publication Number Publication Date
AU2002232795A1 true AU2002232795A1 (en) 2002-06-03

Family

ID=24898163

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002232795A Abandoned AU2002232795A1 (en) 2000-11-22 2001-10-29 Perceptual audio signal compression system and method

Country Status (4)

Country Link
US (1) US6636830B1 (en)
AU (1) AU2002232795A1 (en)
TW (1) TW533405B (en)
WO (1) WO2002043291A2 (en)

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US7006699B2 (en) * 2002-03-27 2006-02-28 Microsoft Corporation System and method for progressively transforming and coding digital data
US7275036B2 (en) * 2002-04-18 2007-09-25 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for coding a time-discrete audio signal to obtain coded audio data and for decoding coded audio data
BR0305555A (en) * 2002-07-16 2004-09-28 Koninkl Philips Electronics Nv Method and encoder for encoding an audio signal, apparatus for providing an audio signal, encoded audio signal, storage medium, and method and decoder for decoding an encoded audio signal
EP1559101A4 (en) * 2002-11-07 2006-01-25 Samsung Electronics Co Ltd METHOD AND APPARATUS FOR MPEG AUDIO CODING
DE102004009949B4 (en) 2004-03-01 2006-03-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Device and method for determining an estimated value
US7512536B2 (en) * 2004-05-14 2009-03-31 Texas Instruments Incorporated Efficient filter bank computation for audio coding
CN101055719B (en) * 2004-09-17 2011-02-02 广州广晟数码技术有限公司 Method for encoding and transmitting multi-sound channel digital audio signal
EP1905004A2 (en) * 2005-05-26 2008-04-02 LG Electronics Inc. Method of encoding and decoding an audio signal
WO2007004831A1 (en) 2005-06-30 2007-01-11 Lg Electronics Inc. Method and apparatus for encoding and decoding an audio signal
US8494667B2 (en) * 2005-06-30 2013-07-23 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
EP1913577B1 (en) * 2005-06-30 2021-05-05 Lg Electronics Inc. Apparatus for encoding an audio signal and method thereof
US7546240B2 (en) * 2005-07-15 2009-06-09 Microsoft Corporation Coding with improved time resolution for selected segments via adaptive block transformation of a group of samples from a subband decomposition
US7788107B2 (en) * 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
KR100880643B1 (en) * 2005-08-30 2009-01-30 엘지전자 주식회사 Method and apparatus for decoding audio signal
US8577483B2 (en) 2005-08-30 2013-11-05 Lg Electronics, Inc. Method for decoding an audio signal
AU2006285538B2 (en) * 2005-08-30 2011-03-24 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
US7580833B2 (en) * 2005-09-07 2009-08-25 Apple Inc. Constant pitch variable speed audio decoding
US7672379B2 (en) * 2005-10-05 2010-03-02 Lg Electronics Inc. Audio signal processing, encoding, and decoding
US8068569B2 (en) * 2005-10-05 2011-11-29 Lg Electronics, Inc. Method and apparatus for signal processing and encoding and decoding
US7751485B2 (en) * 2005-10-05 2010-07-06 Lg Electronics Inc. Signal processing using pilot based coding
KR100878833B1 (en) * 2005-10-05 2009-01-14 엘지전자 주식회사 Signal processing method and apparatus thereof, and encoding and decoding method and apparatus thereof
KR101169281B1 (en) * 2005-10-05 2012-08-02 엘지전자 주식회사 Method and apparatus for audio signal processing and encoding and decoding method, and apparatus therefor
US7696907B2 (en) * 2005-10-05 2010-04-13 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
US7646319B2 (en) * 2005-10-05 2010-01-12 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
US7840401B2 (en) * 2005-10-24 2010-11-23 Lg Electronics Inc. Removing time delays in signal paths
KR100735417B1 (en) * 2006-01-24 2007-07-04 삼성전자주식회사 Method and system for sorting windows that can extract peak features from speech signal
US8832540B2 (en) * 2006-02-07 2014-09-09 Nokia Corporation Controlling a time-scaling of an audio signal
FR2911228A1 (en) * 2007-01-05 2008-07-11 France Telecom TRANSFORMED CODING USING WINDOW WEATHER WINDOWS.
US7761290B2 (en) 2007-06-15 2010-07-20 Microsoft Corporation Flexible frequency and time partitioning in perceptual transform coding of audio
US8631060B2 (en) * 2007-12-13 2014-01-14 Qualcomm Incorporated Fast algorithms for computation of 5-point DCT-II, DCT-IV, and DST-IV, and architectures
ES2400661T3 (en) * 2009-06-29 2013-04-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoding and decoding bandwidth extension
AU2012217158B2 (en) * 2011-02-14 2014-02-27 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Information signal representation using lapped transform
ES2715191T3 (en) 2011-02-14 2019-06-03 Fraunhofer Ges Forschung Encoding and decoding of track pulse positions of an audio signal
EP2676270B1 (en) 2011-02-14 2017-02-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Coding a portion of an audio signal using a transient detection and a quality result
EP2676268B1 (en) 2011-02-14 2014-12-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for processing a decoded audio signal in a spectral domain
ES2534972T3 (en) 2011-02-14 2015-04-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Linear prediction based on coding scheme using spectral domain noise conformation
MY176447A (en) 2013-04-05 2020-08-10 Dolby Int Ab Audio encoder and decoder
EP3629327B1 (en) * 2018-09-27 2024-11-27 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for noise shaping using subspace projections for low-rate coding of speech and audio
US11295750B2 (en) 2018-09-27 2022-04-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for noise shaping using subspace projections for low-rate coding of speech and audio

Also Published As

Publication number Publication date
TW533405B (en) 2003-05-21
WO2002043291A2 (en) 2002-05-30
WO2002043291A3 (en) 2002-08-29
US6636830B1 (en) 2003-10-21

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