DE60313332D1 - Audiocodierung mit niedriger bitrate - Google Patents

Audiocodierung mit niedriger bitrate

Info

Publication number
DE60313332D1
DE60313332D1 DE60313332T DE60313332T DE60313332D1 DE 60313332 D1 DE60313332 D1 DE 60313332D1 DE 60313332 T DE60313332 T DE 60313332T DE 60313332 T DE60313332 T DE 60313332T DE 60313332 D1 DE60313332 D1 DE 60313332D1
Authority
DE
Germany
Prior art keywords
quantized
expanding
receiver
audiocoding
zero
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
DE60313332T
Other languages
English (en)
Other versions
DE60313332T2 (de
Inventor
Mark Stuart Vinton
Michael Mead Truman
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.)
Dolby Laboratories Licensing Corp
Original Assignee
Dolby Laboratories 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 Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Publication of DE60313332D1 publication Critical patent/DE60313332D1/de
Application granted granted Critical
Publication of DE60313332T2 publication Critical patent/DE60313332T2/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

Landscapes

  • 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 true DE60313332D1 (de) 2007-05-31
DE60313332T2 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 (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)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7711123B2 (en) * 2001-04-13 2010-05-04 Dolby Laboratories Licensing Corporation Segmenting audio signals into auditory events
US7240001B2 (en) 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
AU2003272833A1 (en) * 2002-09-17 2004-04-08 Vladimir Ceperkovic Fast codec with high compression ratio and minimum required resources
US7610553B1 (en) * 2003-04-05 2009-10-27 Apple Inc. Method and apparatus for reducing data events that represent a user's interaction with a control interface
US7460990B2 (en) * 2004-01-23 2008-12-02 Microsoft Corporation Efficient coding of digital media spectral data using wide-sense perceptual similarity
DE102004027146B4 (de) * 2004-06-03 2014-10-30 Unify Gmbh & Co. Kg Verfahren und Vorrichtung zum automatischen Festlegen von zu Codeworten gehörenden Wertebereichsgrenzen für Abtastwerte
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
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
HUE057855T2 (hu) * 2006-07-04 2022-06-28 Dolby Int Ab Szûrõrendszer, amely tartalmaz egy szûrõátalakítót és egy szûrõkompresszort, valamint a szûrõrendszer mûködtetésére való eljárás
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
PL2311033T3 (pl) 2008-07-11 2012-05-31 Fraunhofer Ges Forschung Dostarczanie sygnału aktywującego dopasowanie czasowe i kodowanie sygnału audio z jego użyciem
EP2144230A1 (de) 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiokodierungs-/Audiodekodierungsschema geringer Bitrate mit kaskadierten Schaltvorrichtungen
MY154452A (en) 2008-07-11 2015-06-15 Fraunhofer Ges Forschung An apparatus and a method for decoding an encoded audio signal
US8515747B2 (en) * 2008-09-06 2013-08-20 Huawei Technologies Co., Ltd. Spectrum harmonic/noise sharpness control
WO2010028297A1 (en) * 2008-09-06 2010-03-11 GH Innovation, Inc. Selective bandwidth extension
US8532983B2 (en) * 2008-09-06 2013-09-10 Huawei Technologies Co., Ltd. Adaptive frequency prediction for encoding or decoding an audio signal
WO2010031003A1 (en) 2008-09-15 2010-03-18 Huawei Technologies Co., Ltd. Adding second enhancement layer to celp based core layer
US8577673B2 (en) * 2008-09-15 2013-11-05 Huawei Technologies Co., Ltd. CELP post-processing for music signals
US20100106269A1 (en) * 2008-09-26 2010-04-29 Qualcomm Incorporated Method and apparatus for signal processing using transform-domain log-companding
EP3640941A1 (de) * 2008-10-08 2020-04-22 Fraunhofer Gesellschaft zur Förderung der Angewand Geschaltetes audiokodierungs-/decodierungsschema mit mehrfachauflösung
EP2315358A1 (de) * 2009-10-09 2011-04-27 Thomson Licensing Verfahren und Vorrichtung zur arithmetischen Kodierung oder arithmetischen Dekodierung
EP2491555B1 (de) * 2009-10-20 2014-03-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multimodaler audio-codec
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
US9762198B2 (en) * 2013-04-29 2017-09-12 Dolby Laboratories Licensing Corporation Frequency band compression with dynamic thresholds
WO2016041204A1 (en) * 2014-09-19 2016-03-24 Telefonaktiebolaget L M Ericsson (Publ) Methods for compressing and decompressing iq data, and associated devices
TWI758146B (zh) 2015-03-13 2022-03-11 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
EP3353783B1 (de) * 2015-09-25 2019-12-11 Fraunhofer Gesellschaft zur Förderung der Angewand Codierer und verfahren zur codierung eines tonsignals mit reduziertem hintergrundrauschen mit linearer prädiktionscodierung
WO2017080835A1 (en) * 2015-11-10 2017-05-18 Dolby International Ab Signal-dependent companding system and method to reduce quantization noise
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

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3684838A (en) 1968-06-26 1972-08-15 Kahn Res Lab Single channel audio signal transmission system
US4272648A (en) * 1979-11-28 1981-06-09 International Telephone And Telegraph Corporation Gain control apparatus for digital telephone line circuits
US4273970A (en) * 1979-12-28 1981-06-16 Bell Telephone Laboratories, Incorporated Intermodulation distortion test
GB8330885D0 (en) * 1983-11-18 1983-12-29 British Telecomm Data transmission
GB8421498D0 (en) * 1984-08-24 1984-09-26 British Telecomm Frequency domain speech coding
US4935963A (en) * 1986-01-24 1990-06-19 Racal Data Communications Inc. Method and apparatus for processing speech signals
US5109417A (en) * 1989-01-27 1992-04-28 Dolby Laboratories Licensing Corporation Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio
US5054075A (en) 1989-09-05 1991-10-01 Motorola, Inc. Subband decoding method and apparatus
US5127021A (en) * 1991-07-12 1992-06-30 Schreiber William F Spread spectrum television transmission
US5394508A (en) 1992-01-17 1995-02-28 Massachusetts Institute Of Technology Method and apparatus for encoding decoding and compression of audio-type data
JP3527758B2 (ja) * 1993-02-26 2004-05-17 ソニー株式会社 情報記録装置
TW327223B (en) 1993-09-28 1998-02-21 Sony Co Ltd Methods and apparatus for encoding an input signal broken into frequency components, methods and apparatus for decoding such encoded signal
JP3685823B2 (ja) * 1993-09-28 2005-08-24 ソニー株式会社 信号符号化方法及び装置、並びに信号復号化方法及び装置
JPH0918348A (ja) * 1995-06-28 1997-01-17 Graphics Commun Lab:Kk 音響信号符号化装置及び音響信号復号装置
JP3475985B2 (ja) * 1995-11-10 2003-12-10 ソニー株式会社 情報符号化装置および方法、情報復号化装置および方法
DE10010849C1 (de) * 2000-03-06 2001-06-21 Fraunhofer Ges Forschung Vorrichtung und Verfahren zum Analysieren eines Analyse-Zeitsignals

Also Published As

Publication number Publication date
KR101019678B1 (ko) 2011-03-07
AU2003253854A1 (en) 2004-02-02
TW200406096A (en) 2004-04-16
PL373045A1 (en) 2005-08-08
IL165869A (en) 2010-06-30
AU2003253854B2 (en) 2009-02-19
EP1537562A1 (de) 2005-06-08
WO2004008436A1 (en) 2004-01-22
CN100367348C (zh) 2008-02-06
DE60313332T2 (de) 2008-01-03
EP1537562B1 (de) 2007-04-18
CN1669072A (zh) 2005-09-14
ATE360250T1 (de) 2007-05-15
IL165869A0 (en) 2006-01-15
MXPA05000653A (es) 2005-04-25
US20040015349A1 (en) 2004-01-22
KR20050021467A (ko) 2005-03-07
MY137149A (en) 2008-12-31
TWI315944B (en) 2009-10-11
CA2492647A1 (en) 2004-01-22
US7043423B2 (en) 2006-05-09
HK1073916A1 (en) 2006-01-20
PL207862B1 (pl) 2011-02-28
JP4786903B2 (ja) 2011-10-05
CA2492647C (en) 2011-08-30
JP2005533280A (ja) 2005-11-04

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