DK1175670T3 - Audio coding using gain adaptive quantification and symbols of unequal length - Google Patents

Audio coding using gain adaptive quantification and symbols of unequal length

Info

Publication number
DK1175670T3
DK1175670T3 DK00922036T DK00922036T DK1175670T3 DK 1175670 T3 DK1175670 T3 DK 1175670T3 DK 00922036 T DK00922036 T DK 00922036T DK 00922036 T DK00922036 T DK 00922036T DK 1175670 T3 DK1175670 T3 DK 1175670T3
Authority
DK
Denmark
Prior art keywords
symbols
audio coding
unequal length
gain adaptive
adaptive quantification
Prior art date
Application number
DK00922036T
Other languages
Danish (da)
Other versions
DK1175670T4 (en
Inventor
Grant Allen Davidson
Charles Quito Robinson
Michael Mead Truman
Original Assignee
Dolby Lab Licensing Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26968028&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK1175670(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US09/349,645 external-priority patent/US6246345B1/en
Application filed by Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Application granted granted Critical
Publication of DK1175670T3 publication Critical patent/DK1175670T3/en
Publication of DK1175670T4 publication Critical patent/DK1175670T4/en

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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • 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)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DK00922036T 1999-04-16 2000-04-11 Audio coding using gain adaptive quantification and symbols of unequal length DK1175670T4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US29357799A 1999-04-16 1999-04-16
US09/349,645 US6246345B1 (en) 1999-04-16 1999-07-08 Using gain-adaptive quantization and non-uniform symbol lengths for improved audio coding
PCT/US2000/009604 WO2000063886A1 (en) 1999-04-16 2000-04-11 Using gain-adaptive quantization and non-uniform symbol lengths for audio coding

Publications (2)

Publication Number Publication Date
DK1175670T3 true DK1175670T3 (en) 2004-10-11
DK1175670T4 DK1175670T4 (en) 2007-11-19

Family

ID=26968028

Family Applications (1)

Application Number Title Priority Date Filing Date
DK00922036T DK1175670T4 (en) 1999-04-16 2000-04-11 Audio coding using gain adaptive quantification and symbols of unequal length

Country Status (17)

Country Link
EP (1) EP1175670B2 (en)
JP (1) JP4843142B2 (en)
KR (1) KR100893281B1 (en)
CN (1) CN1158646C (en)
AR (1) AR023444A1 (en)
AT (1) ATE269574T1 (en)
AU (1) AU771454B2 (en)
BR (1) BRPI0010672B1 (en)
CA (1) CA2368453C (en)
DE (1) DE60011606T3 (en)
DK (1) DK1175670T4 (en)
ES (1) ES2218148T5 (en)
HK (1) HK1045747B (en)
MX (1) MXPA01010447A (en)
MY (1) MY122486A (en)
TW (1) TW536692B (en)
WO (1) WO2000063886A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7447631B2 (en) * 2002-06-17 2008-11-04 Dolby Laboratories Licensing Corporation Audio coding system using spectral hole filling
DE102004007200B3 (en) 2004-02-13 2005-08-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Device for audio encoding has device for using filter to obtain scaled, filtered audio value, device for quantizing it to obtain block of quantized, scaled, filtered audio values and device for including information in coded signal
DE102004007184B3 (en) * 2004-02-13 2005-09-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method and apparatus for quantizing an information signal
DE102004007191B3 (en) 2004-02-13 2005-09-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio coding
CN101390158B (en) * 2006-02-24 2012-03-14 法国电信公司 Method for binary coding of quantization indices of a signal envelope, method for decoding a signal envelope and corresponding coding and decoding modules
DE102006022346B4 (en) 2006-05-12 2008-02-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Information signal coding
JP5057590B2 (en) * 2006-07-24 2012-10-24 マーベル ワールド トレード リミテッド CONTROL SYSTEM AND DATA STORAGE DEVICE FOR ROTARY DATA STORAGE DEVICE
US8571852B2 (en) * 2007-03-02 2013-10-29 Telefonaktiebolaget L M Ericsson (Publ) Postfilter for layered codecs
US8831933B2 (en) 2010-07-30 2014-09-09 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for multi-stage shape vector quantization
US9208792B2 (en) 2010-08-17 2015-12-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for noise injection
KR101492105B1 (en) * 2011-08-29 2015-02-11 주식회사 아이벡스피티홀딩스 Method of encoding moving pictures in amvp mode
ES2643746T3 (en) * 2012-12-13 2017-11-24 Panasonic Intellectual Property Corporation Of America Voice audio coding device, voice audio decoding device, voice audio coding method and voice audio decoding method
CN116366411B (en) * 2023-03-28 2024-03-08 扬州宇安电子科技有限公司 Multi-bit signal quantization self-adaptive threshold generation and quantization method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5365553A (en) * 1990-11-30 1994-11-15 U.S. Philips Corporation Transmitter, encoding system and method employing use of a bit need determiner for subband coding a digital signal
WO1995032499A1 (en) * 1994-05-25 1995-11-30 Sony Corporation Encoding method, decoding method, encoding-decoding method, encoder, decoder, and encoder-decoder
JP3307138B2 (en) * 1995-02-27 2002-07-24 ソニー株式会社 Signal encoding method and apparatus, and signal decoding method and apparatus
US5924064A (en) * 1996-10-07 1999-07-13 Picturetel Corporation Variable length coding using a plurality of region bit allocation patterns
US6006179A (en) * 1997-10-28 1999-12-21 America Online, Inc. Audio codec using adaptive sparse vector quantization with subband vector classification

Also Published As

Publication number Publication date
CN1347549A (en) 2002-05-01
HK1045747B (en) 2004-12-31
DE60011606D1 (en) 2004-07-22
EP1175670A1 (en) 2002-01-30
EP1175670B1 (en) 2004-06-16
ES2218148T5 (en) 2008-02-16
DE60011606T3 (en) 2008-01-24
CA2368453A1 (en) 2000-10-26
AR023444A1 (en) 2002-09-04
DE60011606T2 (en) 2005-06-23
KR20010112434A (en) 2001-12-20
JP4843142B2 (en) 2011-12-21
MXPA01010447A (en) 2002-07-30
TW536692B (en) 2003-06-11
WO2000063886A1 (en) 2000-10-26
DK1175670T4 (en) 2007-11-19
AU771454B2 (en) 2004-03-25
KR100893281B1 (en) 2009-04-17
JP2002542522A (en) 2002-12-10
HK1045747A1 (en) 2002-12-06
ATE269574T1 (en) 2004-07-15
CN1158646C (en) 2004-07-21
CA2368453C (en) 2009-12-08
BR0010672A (en) 2002-02-19
EP1175670B2 (en) 2007-09-19
AU4227900A (en) 2000-11-02
ES2218148T3 (en) 2004-11-16
BRPI0010672B1 (en) 2016-06-07
MY122486A (en) 2006-04-29

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