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 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)
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 (15)

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)
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 (38)

* 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
WO2008003467A1 (en) * 2006-07-04 2008-01-10 Dolby Sweden Ab Filter unit and method for generating subband filter impulse responses
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
KR101400535B1 (ko) 2008-07-11 2014-05-28 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 시간 워프 활성 신호의 제공 및 이를 이용한 오디오 신호의 인코딩
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
US8532998B2 (en) * 2008-09-06 2013-09-10 Huawei Technologies Co., Ltd. Selective bandwidth extension for encoding/decoding audio/speech signal
US8532983B2 (en) * 2008-09-06 2013-09-10 Huawei Technologies Co., Ltd. Adaptive frequency prediction for encoding or decoding an audio signal
US8515747B2 (en) * 2008-09-06 2013-08-20 Huawei Technologies Co., Ltd. Spectrum harmonic/noise sharpness control
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
KR20130133917A (ko) * 2008-10-08 2013-12-09 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 다중 분해능 스위치드 오디오 부호화/복호화 방법
EP2315358A1 (de) 2009-10-09 2011-04-27 Thomson Licensing Verfahren und Vorrichtung zur arithmetischen Kodierung oder arithmetischen Dekodierung
MY164399A (en) 2009-10-20 2017-12-15 Fraunhofer Ges Forschung 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
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
CN105164918B (zh) * 2013-04-29 2018-03-30 杜比实验室特许公司 具有动态阈值的频带压缩
EP3195507B1 (de) * 2014-09-19 2021-01-20 Telefonaktiebolaget LM Ericsson (publ) Verfahren zum komprimieren und dekomprimieren von iq-daten und zugehörige vorrichtungen
TWI890652B (zh) * 2015-03-13 2025-07-11 瑞典商杜比國際公司 音訊處理單元、用於將經編碼的音訊位元流解碼之方法以及非暫態電腦可讀媒體
RU2712125C2 (ru) * 2015-09-25 2020-01-24 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Кодер и способ кодирования аудиосигнала с уменьшенным фоновым шумом с использованием кодирования с линейным предсказанием
WO2017080835A1 (en) * 2015-11-10 2017-05-18 Dolby International Ab Signal-dependent companding system and method to reduce quantization noise
US11361772B2 (en) * 2019-05-14 2022-06-14 Microsoft Technology Licensing, Llc Adaptive and fixed mapping for compression and decompression of audio data
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
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
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
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
HK1073916A1 (en) 2006-01-20
IL165869A0 (en) 2006-01-15
DE60313332T2 (de) 2008-01-03
CN1669072A (zh) 2005-09-14
KR101019678B1 (ko) 2011-03-07
KR20050021467A (ko) 2005-03-07
DE60313332D1 (de) 2007-05-31
IL165869A (en) 2010-06-30
WO2004008436A1 (en) 2004-01-22
PL207862B1 (pl) 2011-02-28
AU2003253854B2 (en) 2009-02-19
EP1537562A1 (de) 2005-06-08
PL373045A1 (en) 2005-08-08
MY137149A (en) 2008-12-31
AU2003253854A1 (en) 2004-02-02
MXPA05000653A (es) 2005-04-25
TW200406096A (en) 2004-04-16
CA2492647C (en) 2011-08-30
US7043423B2 (en) 2006-05-09
EP1537562B1 (de) 2007-04-18
US20040015349A1 (en) 2004-01-22
CA2492647A1 (en) 2004-01-22
CN100367348C (zh) 2008-02-06
JP4786903B2 (ja) 2011-10-05
TWI315944B (en) 2009-10-11
JP2005533280A (ja) 2005-11-04

Similar Documents

Publication Publication Date Title
ATE360250T1 (de) Audiocodierung mit niedriger bitrate
RU2007139918A (ru) Кодирование многоканального аудио
MY143951A (en) Context-based encoding and decoding of signals
TW200520400A (en) Method for encoding a digital signal into a scalable bitstream; method for decoding a scalable bitstream
RU2004119838A (ru) Кодирование сигнала
JPH11500291A (ja) 可聴周波信号を符号化する方法および装置
ATE319162T1 (de) Breitband-signalübertragungssystem
WO2007066121A3 (en) Decoding data
GEP20247699B (en) Video encoder, video decoder, methods for encoding and decoding and video data stream for realizing advanced video coding concepts
CN101222793B (zh) 一种调节蓝牙立体声音质的方法及系统
WO2006004847A3 (en) Method of data compression including compression of video data
AU2003208795A1 (en) Video compression using analytical entropy coding
MX2025003973A (es) Metodo, aparato y medio para codificacion y decodificacion de flujos de bits de audio
US11545164B2 (en) Audio signal encoding and decoding
TWI263933B (en) Multi-quantizer coding/decoding apparatus and method

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties