DE60207061D1 - Audiokompression - Google Patents

Audiokompression

Info

Publication number
DE60207061D1
DE60207061D1 DE60207061T DE60207061T DE60207061D1 DE 60207061 D1 DE60207061 D1 DE 60207061D1 DE 60207061 T DE60207061 T DE 60207061T DE 60207061 T DE60207061 T DE 60207061T DE 60207061 D1 DE60207061 D1 DE 60207061D1
Authority
DE
Germany
Prior art keywords
bandwidth
sub
band
bit rate
changes
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.)
Expired - Lifetime
Application number
DE60207061T
Other languages
English (en)
Other versions
DE60207061T2 (de
Inventor
Donald Martin Monro
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.)
Zarbana Digital Fund LLC
Original Assignee
University of Bath
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 University of Bath filed Critical University of Bath
Application granted granted Critical
Publication of DE60207061D1 publication Critical patent/DE60207061D1/de
Publication of DE60207061T2 publication Critical patent/DE60207061T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G10L19/0208—Subband vocoders

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)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
DE60207061T 2001-03-30 2002-03-07 Audiokompression Expired - Lifetime DE60207061T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB0108080.3A GB0108080D0 (en) 2001-03-30 2001-03-30 Audio compression
GB0108080 2001-03-30
PCT/GB2002/001014 WO2002080146A1 (en) 2001-03-30 2002-03-07 Audio compression

Publications (2)

Publication Number Publication Date
DE60207061D1 true DE60207061D1 (de) 2005-12-08
DE60207061T2 DE60207061T2 (de) 2006-08-03

Family

ID=9911964

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60207061T Expired - Lifetime DE60207061T2 (de) 2001-03-30 2002-03-07 Audiokompression

Country Status (5)

Country Link
US (1) US20040165737A1 (de)
EP (2) EP1628290A3 (de)
DE (1) DE60207061T2 (de)
GB (1) GB0108080D0 (de)
WO (1) WO2002080146A1 (de)

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US7460990B2 (en) 2004-01-23 2008-12-02 Microsoft Corporation Efficient coding of digital media spectral data using wide-sense perceptual similarity
CN101006496B (zh) * 2004-08-17 2012-03-21 皇家飞利浦电子股份有限公司 可分级音频编码
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
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
US8121848B2 (en) * 2005-09-08 2012-02-21 Pan Pacific Plasma Llc Bases dictionary for low complexity matching pursuits data coding and decoding
US20070065034A1 (en) * 2005-09-08 2007-03-22 Monro Donald M Wavelet matching pursuits coding and decoding
US20070053603A1 (en) * 2005-09-08 2007-03-08 Monro Donald M Low complexity bases matching pursuits data coding and decoding
US7813573B2 (en) * 2005-09-08 2010-10-12 Monro Donald M Data coding and decoding with replicated matching pursuits
US7848584B2 (en) * 2005-09-08 2010-12-07 Monro Donald M Reduced dimension wavelet matching pursuits coding and decoding
US20070271250A1 (en) * 2005-10-19 2007-11-22 Monro Donald M Basis selection for coding and decoding of data
US8674855B2 (en) * 2006-01-13 2014-03-18 Essex Pa, L.L.C. Identification of text
JP4396646B2 (ja) * 2006-02-07 2010-01-13 ヤマハ株式会社 応答波形合成方法、応答波形合成装置、音響設計支援装置および音響設計支援プログラム
US7783079B2 (en) * 2006-04-07 2010-08-24 Monro Donald M Motion assisted data enhancement
US7586424B2 (en) * 2006-06-05 2009-09-08 Donald Martin Monro Data coding using an exponent and a residual
US20070290899A1 (en) * 2006-06-19 2007-12-20 Donald Martin Monro Data coding
US7845571B2 (en) * 2006-06-19 2010-12-07 Monro Donald M Data compression
US7770091B2 (en) * 2006-06-19 2010-08-03 Monro Donald M Data compression for use in communication systems
US7689049B2 (en) * 2006-08-31 2010-03-30 Donald Martin Monro Matching pursuits coding of data
US7508325B2 (en) * 2006-09-06 2009-03-24 Intellectual Ventures Holding 35 Llc Matching pursuits subband coding of data
US7974488B2 (en) 2006-10-05 2011-07-05 Intellectual Ventures Holding 35 Llc Matching pursuits basis selection
US20080084924A1 (en) * 2006-10-05 2008-04-10 Donald Martin Monro Matching pursuits basis selection design
US7707214B2 (en) * 2007-02-21 2010-04-27 Donald Martin Monro Hierarchical update scheme for extremum location with indirect addressing
US7707213B2 (en) * 2007-02-21 2010-04-27 Donald Martin Monro Hierarchical update scheme for extremum location
US20080205505A1 (en) * 2007-02-22 2008-08-28 Donald Martin Monro Video coding with motion vectors determined by decoder
US10194175B2 (en) 2007-02-23 2019-01-29 Xylon Llc Video coding with embedded motion
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
US7990289B2 (en) * 2007-07-12 2011-08-02 Intellectual Ventures Fund 44 Llc Combinatorial coding/decoding for electrical computers and digital data processing systems
US7671767B2 (en) * 2007-07-12 2010-03-02 Donald Martin Monro LIFO radix coder for electrical computers and digital data processing systems
US7548176B2 (en) * 2007-07-12 2009-06-16 Donald Martin Monro Data coding buffer for electrical computers and digital data processing systems
US7602316B2 (en) * 2007-07-12 2009-10-13 Monro Donald M Data coding/decoding for electrical computers and digital data processing systems
US7511638B2 (en) * 2007-07-12 2009-03-31 Monro Donald M Data compression for communication between two or more components in a system
US7511639B2 (en) * 2007-07-12 2009-03-31 Monro Donald M Data compression for communication between two or more components in a system
US8055085B2 (en) * 2007-07-12 2011-11-08 Intellectual Ventures Fund 44 Llc Blocking for combinatorial coding/decoding for electrical computers and digital data processing systems
US8144037B2 (en) * 2007-07-12 2012-03-27 Intellectual Ventures Fund 44 Llc Blocking for combinatorial coding/decoding for electrical computers and digital data processing systems
US7545291B2 (en) * 2007-07-12 2009-06-09 Donald Martin Monro FIFO radix coder for electrical computers and digital data processing systems
US7737869B2 (en) * 2007-07-12 2010-06-15 Monro Donald M Symbol based data compression
US8249883B2 (en) 2007-10-26 2012-08-21 Microsoft Corporation Channel extension coding for multi-channel source
US7786907B2 (en) 2008-10-06 2010-08-31 Donald Martin Monro Combinatorial coding/decoding with specified occurrences for electrical computers and digital data processing systems
US7864086B2 (en) 2008-10-06 2011-01-04 Donald Martin Monro Mode switched adaptive combinatorial coding/decoding for electrical computers and digital data processing systems
US7786903B2 (en) 2008-10-06 2010-08-31 Donald Martin Monro Combinatorial coding/decoding with specified occurrences for electrical computers and digital data processing systems
US7791513B2 (en) * 2008-10-06 2010-09-07 Donald Martin Monro Adaptive combinatorial coding/decoding with specified occurrences for electrical computers and digital data processing systems
GB2466286A (en) * 2008-12-18 2010-06-23 Nokia Corp Combining frequency coefficients based on at least two mixing coefficients which are determined on statistical characteristics of the audio signal

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JP3173218B2 (ja) * 1993-05-10 2001-06-04 ソニー株式会社 圧縮データ記録方法及び装置、圧縮データ再生方法、並びに記録媒体
US5533052A (en) * 1993-10-15 1996-07-02 Comsat Corporation Adaptive predictive coding with transform domain quantization based on block size adaptation, backward adaptive power gain control, split bit-allocation and zero input response compensation
EP0709809B1 (de) * 1994-10-28 2002-01-23 Oki Electric Industry Company, Limited Gerät und Verfahren zur Kodierung und Dekodierung von Bildern unter Verwendung einer Kantensynthese und einer Wavelet-Rücktransformation
US5710863A (en) * 1995-09-19 1998-01-20 Chen; Juin-Hwey Speech signal quantization using human auditory models in predictive coding systems
US5956674A (en) * 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
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US5852806A (en) * 1996-03-19 1998-12-22 Lucent Technologies Inc. Switched filterbank for use in audio signal coding
US6847737B1 (en) * 1998-03-13 2005-01-25 University Of Houston System Methods for performing DAF data filtering and padding
KR100280497B1 (ko) * 1998-09-04 2001-02-01 김영환 격자구조의 이산 웨이브렛 변환 장치
US6300888B1 (en) * 1998-12-14 2001-10-09 Microsoft Corporation Entrophy code mode switching for frequency-domain audio coding
US6898288B2 (en) * 2001-10-22 2005-05-24 Telesecura Corporation Method and system for secure key exchange

Also Published As

Publication number Publication date
DE60207061T2 (de) 2006-08-03
WO2002080146A1 (en) 2002-10-10
US20040165737A1 (en) 2004-08-26
EP1628290A3 (de) 2007-09-19
GB0108080D0 (en) 2001-05-23
EP1377966B9 (de) 2006-06-28
EP1628290A2 (de) 2006-02-22
EP1377966A1 (de) 2004-01-07
EP1377966B1 (de) 2005-11-02

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Legal Events

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8327 Change in the person/name/address of the patent owner

Owner name: AYSCOUGH VISUALS LLC, LOS ALTOS, CALIF., US

8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: MEISSNER, BOLTE & PARTNER GBR, 80538 MUENCHEN