ATE360250T1 - Audiocodierung mit niedriger bitrate - Google Patents

Audiocodierung mit niedriger bitrate

Info

Publication number
ATE360250T1
ATE360250T1 AT03764416T AT03764416T ATE360250T1 AT E360250 T1 ATE360250 T1 AT E360250T1 AT 03764416 T AT03764416 T AT 03764416T AT 03764416 T AT03764416 T AT 03764416T AT E360250 T1 ATE360250 T1 AT E360250T1
Authority
AT
Austria
Prior art keywords
low bit
quantized
rate audio
bit rate
audio encoding
Prior art date
Application number
AT03764416T
Other languages
English (en)
Inventor
Mark Stuart Vinton
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
Application filed by Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Application granted granted Critical
Publication of ATE360250T1 publication Critical patent/ATE360250T1/de

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
AT03764416T 2002-07-16 2003-07-08 Audiocodierung mit niedriger bitrate ATE360250T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/198,638 US7043423B2 (en) 2002-07-16 2002-07-16 Low bit-rate audio coding systems and methods that use expanding quantizers with arithmetic coding

Publications (1)

Publication Number Publication Date
ATE360250T1 true ATE360250T1 (de) 2007-05-15

Family

ID=30115160

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03764416T ATE360250T1 (de) 2002-07-16 2003-07-08 Audiocodierung mit niedriger bitrate

Country Status (16)

Country Link
US (1) US7043423B2 (de)
EP (1) EP1537562B1 (de)
JP (1) JP4786903B2 (de)
KR (1) KR101019678B1 (de)
CN (1) CN100367348C (de)
AT (1) ATE360250T1 (de)
AU (1) AU2003253854B2 (de)
CA (1) CA2492647C (de)
DE (1) DE60313332T2 (de)
HK (1) HK1073916A1 (de)
IL (1) IL165869A (de)
MX (1) MXPA05000653A (de)
MY (1) MY137149A (de)
PL (1) PL207862B1 (de)
TW (1) TWI315944B (de)
WO (1) WO2004008436A1 (de)

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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
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US20100106269A1 (en) * 2008-09-26 2010-04-29 Qualcomm Incorporated Method and apparatus for signal processing using transform-domain log-companding
BRPI0914056B1 (pt) * 2008-10-08 2019-07-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Esquema de codificação/decodificação de áudio comutado multi-resolução
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US8280729B2 (en) * 2010-01-22 2012-10-02 Research In Motion Limited System and method for encoding and decoding pulse indices
US8989884B2 (en) * 2011-01-11 2015-03-24 Apple Inc. Automatic audio configuration based on an audio output device
KR20140117931A (ko) 2013-03-27 2014-10-08 삼성전자주식회사 오디오 디코딩 장치 및 방법
US9786286B2 (en) * 2013-03-29 2017-10-10 Dolby Laboratories Licensing Corporation Methods and apparatuses for generating and using low-resolution preview tracks with high-quality encoded object and multichannel audio signals
EP2992605B1 (de) * 2013-04-29 2017-06-07 Dolby Laboratories Licensing Corporation Frequenzbandkompression mit dynamischen schwellen
EP3195507B1 (de) * 2014-09-19 2021-01-20 Telefonaktiebolaget LM Ericsson (publ) Verfahren zum komprimieren und dekomprimieren von iq-daten und zugehörige vorrichtungen
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Also Published As

Publication number Publication date
AU2003253854B2 (en) 2009-02-19
US20040015349A1 (en) 2004-01-22
EP1537562B1 (de) 2007-04-18
KR101019678B1 (ko) 2011-03-07
CN1669072A (zh) 2005-09-14
WO2004008436A1 (en) 2004-01-22
DE60313332T2 (de) 2008-01-03
MXPA05000653A (es) 2005-04-25
KR20050021467A (ko) 2005-03-07
DE60313332D1 (de) 2007-05-31
IL165869A (en) 2010-06-30
TW200406096A (en) 2004-04-16
JP2005533280A (ja) 2005-11-04
AU2003253854A1 (en) 2004-02-02
TWI315944B (en) 2009-10-11
PL207862B1 (pl) 2011-02-28
CA2492647C (en) 2011-08-30
HK1073916A1 (en) 2006-01-20
JP4786903B2 (ja) 2011-10-05
MY137149A (en) 2008-12-31
EP1537562A1 (de) 2005-06-08
IL165869A0 (en) 2006-01-15
PL373045A1 (en) 2005-08-08
CN100367348C (zh) 2008-02-06
CA2492647A1 (en) 2004-01-22
US7043423B2 (en) 2006-05-09

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