ATE269574T1 - AUDIO CODING WITH GAIN ADAPTIVE QUANTIZATION AND SYMBOLS OF DIFFERENT LENGTH - Google Patents

AUDIO CODING WITH GAIN ADAPTIVE QUANTIZATION AND SYMBOLS OF DIFFERENT LENGTH

Info

Publication number
ATE269574T1
ATE269574T1 AT00922036T AT00922036T ATE269574T1 AT E269574 T1 ATE269574 T1 AT E269574T1 AT 00922036 T AT00922036 T AT 00922036T AT 00922036 T AT00922036 T AT 00922036T AT E269574 T1 ATE269574 T1 AT E269574T1
Authority
AT
Austria
Prior art keywords
symbols
different length
audio coding
adaptive quantization
gain adaptive
Prior art date
Application number
AT00922036T
Other languages
German (de)
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=ATE269574(T1) "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 ATE269574T1 publication Critical patent/ATE269574T1/en

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
AT00922036T 1999-04-16 2000-04-11 AUDIO CODING WITH GAIN ADAPTIVE QUANTIZATION AND SYMBOLS OF DIFFERENT LENGTH ATE269574T1 (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 (1)

Publication Number Publication Date
ATE269574T1 true ATE269574T1 (en) 2004-07-15

Family

ID=26968028

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00922036T ATE269574T1 (en) 1999-04-16 2000-04-11 AUDIO CODING WITH GAIN ADAPTIVE QUANTIZATION AND SYMBOLS OF DIFFERENT 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
DE102004007191B3 (en) 2004-02-13 2005-09-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio coding
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
RU2420816C2 (en) * 2006-02-24 2011-06-10 Франс Телеком Method for binary encoding quantisation indices of signal envelope, method of decoding 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
WO2008013672A2 (en) * 2006-07-24 2008-01-31 Marvell World Trade Ltd. Magnetic and optical rotating storage systems with audio monitoring
EP2132732B1 (en) * 2007-03-02 2012-03-07 Telefonaktiebolaget LM Ericsson (publ) Postfilter for layered codecs
US9236063B2 (en) 2010-07-30 2016-01-12 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for dynamic bit allocation
US9208792B2 (en) 2010-08-17 2015-12-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for noise injection
CN107277548B (en) * 2011-08-29 2019-12-06 苗太平洋控股有限公司 Method for encoding image in merge mode
PL3232437T3 (en) 2012-12-13 2019-05-31 Fraunhofer Ges Forschung Voice audio encoding device, voice audio decoding device, voice audio encoding 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
US5758315A (en) * 1994-05-25 1998-05-26 Sony Corporation Encoding/decoding method and apparatus using bit allocation as a function of scale factor
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
BR0010672A (en) 2002-02-19
HK1045747A1 (en) 2002-12-06
BRPI0010672B1 (en) 2016-06-07
CA2368453C (en) 2009-12-08
EP1175670A1 (en) 2002-01-30
CA2368453A1 (en) 2000-10-26
DK1175670T4 (en) 2007-11-19
WO2000063886A1 (en) 2000-10-26
AU771454B2 (en) 2004-03-25
KR100893281B1 (en) 2009-04-17
DE60011606T3 (en) 2008-01-24
DE60011606T2 (en) 2005-06-23
HK1045747B (en) 2004-12-31
EP1175670B1 (en) 2004-06-16
DE60011606D1 (en) 2004-07-22
AU4227900A (en) 2000-11-02
ES2218148T3 (en) 2004-11-16
JP4843142B2 (en) 2011-12-21
CN1158646C (en) 2004-07-21
AR023444A1 (en) 2002-09-04
JP2002542522A (en) 2002-12-10
DK1175670T3 (en) 2004-10-11
EP1175670B2 (en) 2007-09-19
CN1347549A (en) 2002-05-01
ES2218148T5 (en) 2008-02-16
TW536692B (en) 2003-06-11
MXPA01010447A (en) 2002-07-30
MY122486A (en) 2006-04-29
KR20010112434A (en) 2001-12-20

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