DE60313332T2 - Audiocodierung mit niedriger bitrate - Google Patents

Audiocodierung mit niedriger bitrate Download PDF

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Publication number
DE60313332T2
DE60313332T2 DE60313332T DE60313332T DE60313332T2 DE 60313332 T2 DE60313332 T2 DE 60313332T2 DE 60313332 T DE60313332 T DE 60313332T DE 60313332 T DE60313332 T DE 60313332T DE 60313332 T2 DE60313332 T2 DE 60313332T2
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DE
Germany
Prior art keywords
subband
signal components
signal
subband signal
quantized
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
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DE60313332T
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German (de)
English (en)
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DE60313332D1 (de
Inventor
Mark Stuart San Francisco VINTON
Michael Mead San Francisco TRUMAN
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Dolby Laboratories Licensing Corp
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Dolby Laboratories Licensing Corp
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Publication of DE60313332D1 publication Critical patent/DE60313332D1/de
Publication of DE60313332T2 publication Critical patent/DE60313332T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (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)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DE60313332T 2002-07-16 2003-07-08 Audiocodierung mit niedriger bitrate Expired - Lifetime DE60313332T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US198638 2002-07-16
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
PCT/US2003/021506 WO2004008436A1 (en) 2002-07-16 2003-07-08 Low bit-rate audio coding

Publications (2)

Publication Number Publication Date
DE60313332D1 DE60313332D1 (de) 2007-05-31
DE60313332T2 true DE60313332T2 (de) 2008-01-03

Family

ID=30115160

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60313332T Expired - Lifetime DE60313332T2 (de) 2002-07-16 2003-07-08 Audiocodierung mit niedriger bitrate

Country Status (15)

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

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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
US8249883B2 (en) * 2007-10-26 2012-08-21 Microsoft Corporation Channel extension coding for multi-channel source
KR101360456B1 (ko) 2008-07-11 2014-02-07 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 시간 워프 활성 신호의 제공 및 이를 이용한 오디오 신호의 인코딩
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EP2144230A1 (en) * 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Low bitrate audio encoding/decoding scheme having cascaded switches
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US8515747B2 (en) * 2008-09-06 2013-08-20 Huawei Technologies Co., Ltd. Spectrum harmonic/noise sharpness control
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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
EP3640941A1 (en) * 2008-10-08 2020-04-22 Fraunhofer Gesellschaft zur Förderung der Angewand Multi-resolution switched audio encoding/decoding scheme
EP2315358A1 (en) 2009-10-09 2011-04-27 Thomson Licensing Method and device for arithmetic encoding or arithmetic decoding
AU2010309894B2 (en) 2009-10-20 2014-03-13 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Multi-mode audio codec and CELP coding adapted therefore
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
WO2014159898A1 (en) * 2013-03-29 2014-10-02 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 (en) * 2013-04-29 2017-06-07 Dolby Laboratories Licensing Corporation Frequency band compression with dynamic thresholds
US10230394B2 (en) * 2014-09-19 2019-03-12 Telefonaktiebolaget Lm Ericsson (Publ) Methods for compressing and decompressing IQ data, and associated devices
TWI771266B (zh) * 2015-03-13 2022-07-11 瑞典商杜比國際公司 解碼具有增強頻譜帶複製元資料在至少一填充元素中的音訊位元流
CA2998689C (en) * 2015-09-25 2021-10-26 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Encoder and method for encoding an audio signal with reduced background noise using linear predictive coding
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CN110992672B (zh) * 2019-09-25 2021-06-29 广州广日电气设备有限公司 红外遥控器学习及编码方法、红外遥控器系统及存储介质
DE102022200893A1 (de) * 2022-01-27 2023-07-27 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zur Codierung und Decodierung von Daten

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Also Published As

Publication number Publication date
TW200406096A (en) 2004-04-16
PL373045A1 (en) 2005-08-08
MXPA05000653A (es) 2005-04-25
EP1537562A1 (en) 2005-06-08
JP4786903B2 (ja) 2011-10-05
IL165869A (en) 2010-06-30
ATE360250T1 (de) 2007-05-15
CA2492647A1 (en) 2004-01-22
US7043423B2 (en) 2006-05-09
CN1669072A (zh) 2005-09-14
PL207862B1 (pl) 2011-02-28
KR101019678B1 (ko) 2011-03-07
MY137149A (en) 2008-12-31
KR20050021467A (ko) 2005-03-07
CA2492647C (en) 2011-08-30
WO2004008436A1 (en) 2004-01-22
AU2003253854A1 (en) 2004-02-02
AU2003253854B2 (en) 2009-02-19
TWI315944B (en) 2009-10-11
CN100367348C (zh) 2008-02-06
DE60313332D1 (de) 2007-05-31
HK1073916A1 (en) 2006-01-20
US20040015349A1 (en) 2004-01-22
EP1537562B1 (en) 2007-04-18
JP2005533280A (ja) 2005-11-04
IL165869A0 (en) 2006-01-15

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