DK1210712T3 - Skalerbar kodningsmetode for audio af høj kvalitet - Google Patents

Skalerbar kodningsmetode for audio af høj kvalitet

Info

Publication number
DK1210712T3
DK1210712T3 DK00955365T DK00955365T DK1210712T3 DK 1210712 T3 DK1210712 T3 DK 1210712T3 DK 00955365 T DK00955365 T DK 00955365T DK 00955365 T DK00955365 T DK 00955365T DK 1210712 T3 DK1210712 T3 DK 1210712T3
Authority
DK
Denmark
Prior art keywords
coding
noise spectrum
desired noise
audio
data
Prior art date
Application number
DK00955365T
Other languages
English (en)
Inventor
Louis Dunn Fielder
Stephen Decker Vernon
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 DK1210712T3 publication Critical patent/DK1210712T3/da

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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DK00955365T 1999-08-09 2000-08-04 Skalerbar kodningsmetode for audio af høj kvalitet DK1210712T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/370,562 US6446037B1 (en) 1999-08-09 1999-08-09 Scalable coding method for high quality audio
PCT/US2000/021303 WO2001011609A1 (en) 1999-08-09 2000-08-04 Scalable coding method for high quality audio

Publications (1)

Publication Number Publication Date
DK1210712T3 true DK1210712T3 (da) 2003-08-11

Family

ID=23460204

Family Applications (1)

Application Number Title Priority Date Filing Date
DK00955365T DK1210712T3 (da) 1999-08-09 2000-08-04 Skalerbar kodningsmetode for audio af høj kvalitet

Country Status (13)

Country Link
US (1) US6446037B1 (da)
EP (1) EP1210712B1 (da)
JP (1) JP4731774B2 (da)
KR (1) KR100903017B1 (da)
CN (1) CN1153191C (da)
AT (1) ATE239291T1 (da)
AU (1) AU774862B2 (da)
CA (1) CA2378991A1 (da)
DE (1) DE60002483T2 (da)
DK (1) DK1210712T3 (da)
ES (1) ES2194765T3 (da)
TW (1) TW526470B (da)
WO (1) WO2001011609A1 (da)

Families Citing this family (96)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19743662A1 (de) * 1997-10-02 1999-04-08 Bosch Gmbh Robert Verfahren und Vorrichtung zur Erzeugung eines bitratenskalierbaren Audio-Datenstroms
US7283965B1 (en) * 1999-06-30 2007-10-16 The Directv Group, Inc. Delivery and transmission of dolby digital AC-3 over television broadcast
NL1016478C2 (nl) * 1999-10-28 2001-11-29 Sennheiser Electronic Inrichting voor het in twee richtingen zenden van audio- en/of videosignalen.
JP4595150B2 (ja) 1999-12-20 2010-12-08 ソニー株式会社 符号化装置および方法、復号装置および方法、並びにプログラム格納媒体
JP3468183B2 (ja) * 1999-12-22 2003-11-17 日本電気株式会社 音声再生記録装置および方法
JP4842483B2 (ja) * 1999-12-24 2011-12-21 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ マルチチャネルオーディオ信号処理装置及び方法
WO2001052549A1 (en) * 2000-01-14 2001-07-19 Koninklijke Philips Electronics N.V. Transcoding method and device
US7043312B1 (en) * 2000-02-17 2006-05-09 Sonic Solutions CD playback augmentation for higher resolution and multi-channel sound
JP2002016925A (ja) * 2000-04-27 2002-01-18 Canon Inc 符号化装置及び符号化方法
DE10102155C2 (de) * 2001-01-18 2003-01-09 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Erzeugen eines skalierbaren Datenstroms und Verfahren und Vorrichtung zum Decodieren eines skalierbaren Datenstroms
DE10102154C2 (de) * 2001-01-18 2003-02-13 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Erzeugen eines skalierbaren Datenstroms und Verfahren und Vorrichtung zum Decodieren eines skalierbaren Datenstroms unter Berücksichtigung einer Bitsparkassenfunktion
US7848929B2 (en) * 2001-02-06 2010-12-07 Harris Systems Limited Method and apparatus for packing and decoding audio and other data
US7020811B2 (en) * 2001-04-24 2006-03-28 Sun Microsystems, Inc. System and method for verifying error detection/correction logic
US7333929B1 (en) 2001-09-13 2008-02-19 Chmounk Dmitri V Modular scalable compressed audio data stream
JP2003250155A (ja) * 2002-02-25 2003-09-05 Ando Electric Co Ltd 動画符号評価装置及び課金システム
KR100711989B1 (ko) * 2002-03-12 2007-05-02 노키아 코포레이션 효율적으로 개선된 스케일러블 오디오 부호화
DE10236694A1 (de) * 2002-08-09 2004-02-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum skalierbaren Codieren und Vorrichtung und Verfahren zum skalierbaren Decodieren
JP3881943B2 (ja) * 2002-09-06 2007-02-14 松下電器産業株式会社 音響符号化装置及び音響符号化方法
ES2278192T3 (es) * 2002-11-28 2007-08-01 Koninklijke Philips Electronics N.V. Codificacion de una señal de audio.
EP1576602A4 (en) * 2002-12-28 2008-05-28 Samsung Electronics Co Ltd METHOD AND DEVICE FOR MIXING AUDIO SEQUENCE AND INFORMATION RECORDING MEDIUM
KR20040060718A (ko) * 2002-12-28 2004-07-06 삼성전자주식회사 오디오 스트림 믹싱 방법, 그 장치 및 그 정보저장매체
US7277427B1 (en) * 2003-02-10 2007-10-02 Nvision, Inc. Spatially distributed routing switch
GB2400254A (en) * 2003-03-31 2004-10-06 Sony Uk Ltd Video processing
CN100493199C (zh) * 2003-06-16 2009-05-27 松下电器产业株式会社 编码装置、编码方法和码本
DE10328777A1 (de) * 2003-06-25 2005-01-27 Coding Technologies Ab Vorrichtung und Verfahren zum Codieren eines Audiosignals und Vorrichtung und Verfahren zum Decodieren eines codierten Audiosignals
ES2305852T3 (es) * 2003-10-10 2008-11-01 Agency For Science, Technology And Research Procedimiento de codificacion de una señal digital en un flujo binario escalable, procedimiento para la descodificacion de un flujo binario escalable.
US7725324B2 (en) * 2003-12-19 2010-05-25 Telefonaktiebolaget Lm Ericsson (Publ) Constrained filter encoding of polyphonic signals
US7809579B2 (en) * 2003-12-19 2010-10-05 Telefonaktiebolaget Lm Ericsson (Publ) Fidelity-optimized variable frame length encoding
DE102004009955B3 (de) * 2004-03-01 2005-08-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Ermitteln einer Quantisierer-Schrittweite
US7392195B2 (en) * 2004-03-25 2008-06-24 Dts, Inc. Lossless multi-channel audio codec
WO2005122146A1 (en) * 2004-06-08 2005-12-22 Koninklijke Philips Electronics N.V. Audio encoding
US7536302B2 (en) * 2004-07-13 2009-05-19 Industrial Technology Research Institute Method, process and device for coding audio signals
JP4771674B2 (ja) * 2004-09-02 2011-09-14 パナソニック株式会社 音声符号化装置、音声復号化装置及びこれらの方法
US8010349B2 (en) * 2004-10-13 2011-08-30 Panasonic Corporation Scalable encoder, scalable decoder, and scalable encoding method
US20060088093A1 (en) * 2004-10-26 2006-04-27 Nokia Corporation Packet loss compensation
JP2006126482A (ja) * 2004-10-28 2006-05-18 Seiko Epson Corp 音声データ処理装置
ATE545131T1 (de) * 2004-12-27 2012-02-15 Panasonic Corp Tonkodierungsvorrichtung und tonkodierungsmethode
WO2006082790A1 (ja) * 2005-02-01 2006-08-10 Matsushita Electric Industrial Co., Ltd. スケーラブル符号化装置およびスケーラブル符号化方法
US9626973B2 (en) * 2005-02-23 2017-04-18 Telefonaktiebolaget L M Ericsson (Publ) Adaptive bit allocation for multi-channel audio encoding
CN101124740B (zh) * 2005-02-23 2012-05-30 艾利森电话股份有限公司 多声道音频信号编码和解码的方法和装置和音频传送***
US7548853B2 (en) * 2005-06-17 2009-06-16 Shmunk Dmitry V Scalable compressed audio bit stream and codec using a hierarchical filterbank and multichannel joint coding
US8270439B2 (en) * 2005-07-08 2012-09-18 Activevideo Networks, Inc. Video game system using pre-encoded digital audio mixing
FR2888699A1 (fr) * 2005-07-13 2007-01-19 France Telecom Dispositif de codage/decodage hierachique
KR100755471B1 (ko) * 2005-07-19 2007-09-05 한국전자통신연구원 가상음원위치정보에 기반한 채널간 크기 차이 양자화 및역양자화 방법
US8074248B2 (en) 2005-07-26 2011-12-06 Activevideo Networks, Inc. System and method for providing video content associated with a source image to a television in a communication network
KR100738077B1 (ko) * 2005-09-28 2007-07-12 삼성전자주식회사 계층적 오디오 부호화 및 복호화 장치와 방법
KR100754389B1 (ko) * 2005-09-29 2007-08-31 삼성전자주식회사 음성 및 오디오 신호 부호화 장치 및 방법
US8055500B2 (en) * 2005-10-12 2011-11-08 Samsung Electronics Co., Ltd. Method, medium, and apparatus encoding/decoding audio data with extension data
EP1987513B1 (fr) * 2006-02-06 2009-09-09 France Telecom Procede et dispositif de codage hierarchique d'un signal audio source, procede et dispositif de decodage, programmes et signal correspondants
WO2007093726A2 (fr) * 2006-02-14 2007-08-23 France Telecom Dispositif de ponderation perceptuelle en codage/decodage audio
US7835904B2 (en) * 2006-03-03 2010-11-16 Microsoft Corp. Perceptual, scalable audio compression
EP1991986B1 (en) * 2006-03-07 2019-07-31 Telefonaktiebolaget LM Ericsson (publ) Methods and arrangements for audio coding
US8306827B2 (en) * 2006-03-10 2012-11-06 Panasonic Corporation Coding device and coding method with high layer coding based on lower layer coding results
WO2007119368A1 (ja) * 2006-03-17 2007-10-25 Matsushita Electric Industrial Co., Ltd. スケーラブル符号化装置およびスケーラブル符号化方法
JP4193865B2 (ja) * 2006-04-27 2008-12-10 ソニー株式会社 デジタル信号切換え装置及びその切換え方法
KR101322392B1 (ko) * 2006-06-16 2013-10-29 삼성전자주식회사 스케일러블 코덱의 부호화 및 복호화 방법 및 장치
JP5096468B2 (ja) * 2006-08-15 2012-12-12 ドルビー ラボラトリーズ ライセンシング コーポレイション サイド情報なしの時間的ノイズエンベロープの自由な整形
US20080059154A1 (en) * 2006-09-01 2008-03-06 Nokia Corporation Encoding an audio signal
EP2089879A4 (en) * 2006-11-06 2010-12-29 Nokia Corp DYNAMIC QUANTIFICATION STRUCTURES FOR EFFICIENT COMPRESSION
WO2008088741A2 (en) 2007-01-12 2008-07-24 Ictv, Inc. Interactive encoded content system including object models for viewing on a remote device
US9826197B2 (en) 2007-01-12 2017-11-21 Activevideo Networks, Inc. Providing television broadcasts over a managed network and interactive content over an unmanaged network to a client device
US8908873B2 (en) * 2007-03-21 2014-12-09 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Method and apparatus for conversion between multi-channel audio formats
US9015051B2 (en) * 2007-03-21 2015-04-21 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Reconstruction of audio channels with direction parameters indicating direction of origin
EP2133872B1 (en) * 2007-03-30 2012-02-29 Panasonic Corporation Encoding device and encoding method
EP2232700B1 (en) 2007-12-21 2014-08-13 Dts Llc System for adjusting perceived loudness of audio signals
CN101281748B (zh) * 2008-05-14 2011-06-15 武汉大学 用编码索引实现的空缺子带填充方法及编码索引生成方法
JP4784653B2 (ja) * 2009-01-23 2011-10-05 ソニー株式会社 音声データ送信装置、音声データ送信方法、音声データ受信装置および音声データ受信方法
MX2011007925A (es) * 2009-01-28 2011-08-17 Dten Forschung E V Fraunhofer Ges Zur Foeerderung Der Angewan Codificador de audio, decodificador de audio, información de audio codificada, métodos para la codificación y decodificación de una señal de audio y programa de computadora.
US8194862B2 (en) * 2009-07-31 2012-06-05 Activevideo Networks, Inc. Video game system with mixing of independent pre-encoded digital audio bitstreams
US8538042B2 (en) 2009-08-11 2013-09-17 Dts Llc System for increasing perceived loudness of speakers
US9009037B2 (en) * 2009-10-14 2015-04-14 Panasonic Intellectual Property Corporation Of America Encoding device, decoding device, and methods therefor
US8374858B2 (en) * 2010-03-09 2013-02-12 Dts, Inc. Scalable lossless audio codec and authoring tool
CN101859569B (zh) * 2010-05-27 2012-08-15 上海朗谷电子科技有限公司 数字音频信号处理降噪的方法
US8862465B2 (en) 2010-09-17 2014-10-14 Qualcomm Incorporated Determining pitch cycle energy and scaling an excitation signal
AU2011315950B2 (en) 2010-10-14 2015-09-03 Activevideo Networks, Inc. Streaming digital video between video devices using a cable television system
WO2014124377A2 (en) 2013-02-11 2014-08-14 Dolby Laboratories Licensing Corporation Audio bitstreams with supplementary data and encoding and decoding of such bitstreams
EP2695388B1 (en) 2011-04-07 2017-06-07 ActiveVideo Networks, Inc. Reduction of latency in video distribution networks using adaptive bit rates
US10409445B2 (en) 2012-01-09 2019-09-10 Activevideo Networks, Inc. Rendering of an interactive lean-backward user interface on a television
US9800945B2 (en) 2012-04-03 2017-10-24 Activevideo Networks, Inc. Class-based intelligent multiplexing over unmanaged networks
US9312829B2 (en) 2012-04-12 2016-04-12 Dts Llc System for adjusting loudness of audio signals in real time
US9123084B2 (en) 2012-04-12 2015-09-01 Activevideo Networks, Inc. Graphical application integration with MPEG objects
US9755835B2 (en) * 2013-01-21 2017-09-05 Dolby Laboratories Licensing Corporation Metadata transcoding
RU2719690C2 (ru) 2013-01-21 2020-04-21 Долби Лабораторис Лайсэнзин Корпорейшн Аудиокодер и аудиодекодер с метаданными громкости и границы программы
US10275128B2 (en) 2013-03-15 2019-04-30 Activevideo Networks, Inc. Multiple-mode system and method for providing user selectable video content
WO2014184618A1 (en) 2013-05-17 2014-11-20 Nokia Corporation Spatial object oriented audio apparatus
US9294785B2 (en) 2013-06-06 2016-03-22 Activevideo Networks, Inc. System and method for exploiting scene graph information in construction of an encoded video sequence
US9219922B2 (en) 2013-06-06 2015-12-22 Activevideo Networks, Inc. System and method for exploiting scene graph information in construction of an encoded video sequence
EP3005712A1 (en) 2013-06-06 2016-04-13 ActiveVideo Networks, Inc. Overlay rendering of user interface onto source video
KR102244613B1 (ko) 2013-10-28 2021-04-26 삼성전자주식회사 Ｑｍｆ 필터링 방법 및 이를 수행하는 장치
US9788029B2 (en) 2014-04-25 2017-10-10 Activevideo Networks, Inc. Intelligent multiplexing using class-based, multi-dimensioned decision logic for managed networks
US10015612B2 (en) 2016-05-25 2018-07-03 Dolby Laboratories Licensing Corporation Measurement, verification and correction of time alignment of multiple audio channels and associated metadata
SG11202004430YA (en) * 2017-11-17 2020-06-29 Fraunhofer Ges Forschung Apparatus and method for encoding or decoding directional audio coding parameters using different time/frequency resolutions
CN113302688A (zh) * 2019-01-13 2021-08-24 华为技术有限公司 高分辨率音频编解码
US11051115B2 (en) * 2019-06-27 2021-06-29 Olga Sheymov Customizable audio signal spectrum shifting system and method for telephones and other audio-capable devices
US11606230B2 (en) 2021-03-03 2023-03-14 Apple Inc. Channel equalization
US11784731B2 (en) * 2021-03-09 2023-10-10 Apple Inc. Multi-phase-level signaling to improve data bandwidth over lossy channels

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3639753A1 (de) 1986-11-21 1988-06-01 Inst Rundfunktechnik Gmbh Verfahren zum uebertragen digitalisierter tonsignale
NL9000338A (nl) * 1989-06-02 1991-01-02 Koninkl Philips Electronics Nv Digitaal transmissiesysteem, zender en ontvanger te gebruiken in het transmissiesysteem en registratiedrager verkregen met de zender in de vorm van een optekeninrichting.
DE4136825C1 (da) * 1991-11-08 1993-03-18 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De
US5369724A (en) * 1992-01-17 1994-11-29 Massachusetts Institute Of Technology Method and apparatus for encoding, decoding and compression of audio-type data using reference coefficients located within a band of coefficients
US5270813A (en) 1992-07-02 1993-12-14 At&T Bell Laboratories Spatially scalable video coding facilitating the derivation of variable-resolution images
US5253055A (en) 1992-07-02 1993-10-12 At&T Bell Laboratories Efficient frequency scalable video encoding with coefficient selection
US5253056A (en) 1992-07-02 1993-10-12 At&T Bell Laboratories Spatial/frequency hybrid video coding facilitating the derivatives of variable-resolution images
DE4241068C2 (de) * 1992-12-05 2003-11-13 Thomson Brandt Gmbh Verfahren zum Übertragen, Speichern oder Decodieren eines digitalen Zusatzsignals in einem digitalen Tonsignal
EP0720316B1 (en) * 1994-12-30 1999-12-08 Daewoo Electronics Co., Ltd Adaptive digital audio encoding apparatus and a bit allocation method thereof
KR0144011B1 (ko) * 1994-12-31 1998-07-15 김주용 엠펙 오디오 데이타 고속 비트 할당 및 최적 비트 할당 방법
EP0734021A3 (en) 1995-03-23 1999-05-26 SICAN, GESELLSCHAFT FÜR SILIZIUM-ANWENDUNGEN UND CAD/CAT NIEDERSACHSEN mbH Method and apparatus for decoding of digital audio data coded in layer 1 or 2 of MPEG format
JP3139602B2 (ja) * 1995-03-24 2001-03-05 日本電信電話株式会社 音響信号符号化方法及び復号化方法
JP2776300B2 (ja) * 1995-05-31 1998-07-16 日本電気株式会社 音声信号処理回路
DE19549621B4 (de) 1995-10-06 2004-07-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zum Codieren von Audiosignalen
IT1281001B1 (it) * 1995-10-27 1998-02-11 Cselt Centro Studi Lab Telecom Procedimento e apparecchiatura per codificare, manipolare e decodificare segnali audio.
JP3189660B2 (ja) * 1996-01-30 2001-07-16 ソニー株式会社 信号符号化方法
JP3344944B2 (ja) 1997-05-15 2002-11-18 松下電器産業株式会社 オーディオ信号符号化装置，オーディオ信号復号化装置，オーディオ信号符号化方法，及びオーディオ信号復号化方法
US6092041A (en) * 1996-08-22 2000-07-18 Motorola, Inc. System and method of encoding and decoding a layered bitstream by re-applying psychoacoustic analysis in the decoder
JP3622365B2 (ja) * 1996-09-26 2005-02-23 ヤマハ株式会社 音声符号化伝送方式
JP3283200B2 (ja) 1996-12-19 2002-05-20 ケイディーディーアイ株式会社 符号化音声データの符号化レート変換方法および装置
DE19706516C1 (de) 1997-02-19 1998-01-15 Fraunhofer Ges Forschung Verfahren und Vorricntungen zum Codieren von diskreten Signalen bzw. zum Decodieren von codierten diskreten Signalen
KR100261254B1 (ko) * 1997-04-02 2000-07-01 윤종용 비트율 조절이 가능한 오디오 데이터 부호화/복호화방법 및 장치
KR100261253B1 (ko) 1997-04-02 2000-07-01 윤종용 비트율 조절이 가능한 오디오 부호화/복호화 방법및 장치
JP3134817B2 (ja) * 1997-07-11 2001-02-13 日本電気株式会社 音声符号化復号装置
DE19743662A1 (de) * 1997-10-02 1999-04-08 Bosch Gmbh Robert Verfahren und Vorrichtung zur Erzeugung eines bitratenskalierbaren Audio-Datenstroms
KR100335611B1 (ko) 1997-11-20 2002-10-09 삼성전자 주식회사 비트율 조절이 가능한 스테레오 오디오 부호화/복호화 방법 및 장치
KR100335609B1 (ko) 1997-11-20 2002-10-04 삼성전자 주식회사 비트율조절이가능한오디오부호화/복호화방법및장치

Also Published As

Publication number Publication date
EP1210712B1 (en) 2003-05-02
EP1210712A1 (en) 2002-06-05
KR100903017B1 (ko) 2009-06-16
ES2194765T3 (es) 2003-12-01
TW526470B (en) 2003-04-01
ATE239291T1 (de) 2003-05-15
US6446037B1 (en) 2002-09-03
AU774862B2 (en) 2004-07-08
KR20020035116A (ko) 2002-05-09
WO2001011609A1 (en) 2001-02-15
JP4731774B2 (ja) 2011-07-27
CN1153191C (zh) 2004-06-09
CA2378991A1 (en) 2001-02-15
AU6758400A (en) 2001-03-05
DE60002483T2 (de) 2004-03-25
JP2003506763A (ja) 2003-02-18
CN1369092A (zh) 2002-09-11
DE60002483D1 (de) 2003-06-05

Similar Documents

Publication Publication Date Title
DK1210712T3 (da) Skalerbar kodningsmetode for audio af høj kvalitet
JP4418493B2 (ja) パラメトリックマルチチャネル符号化システムにおけるチャネルの周波数ベースの符号化
EP1636791B1 (en) Apparatus and method for encoding an audio signal and apparatus and method for decoding an encoded audio signal
CA2286068C (en) Method for coding an audio signal
Allamanche et al. MPEG-4 low delay audio coding based on the AAC codec
CN1930914B (zh) 对多声道音频信号进行编码和合成的方法和装置
US20130030820A1 (en) Method, medium, and system scalably encoding/decoding audio/speech
DK0931386T3 (da) Fremgangsmåde til signalisering af en støjsubstitution ved kodning af et audiosignal
CN103329197A (zh) 用于反相声道的改进的立体声参数编码/解码
ATE384358T1 (de) Verfahren und vorrichtung zur maskierung des quantisierungsrauschens von audiosignalen
Gayer et al. A guideline to audio codec delay
JP2003323198A (ja) 符号化方法及び装置、復号方法及び装置、並びにプログラム及び記録媒体
US20120121091A1 (en) Ambience coding and decoding for audio applications
Erne Perceptual audio coders" what to listen for"
Brandenburg et al. Aspec-adaptive spectral entropy coding of high quality music signals
Herre et al. The integrated filterbank based scalable MPEG-4 audio coder
Johnston et al. MPEG-2 NBC audio-stereo and multichannel coding methods
Wiese et al. Bitrate reduction of high quality audio signals by modeling the ears masking thresholds
KR100952065B1 (ko) 부호화 방법 및 장치, 및 복호 방법 및 장치
JP3475985B2 (ja) 情報符号化装置および方法、情報復号化装置および方法
Herre et al. Analysis of Decompressed Audio-The-Inverse Decoder
Grill et al. A Two-or Three-Stage Bit-Rate Scalable Audio Coding System
Eberlein et al. Layer-III-A Flexible Coding Standard
Smyth et al. APT-X00: A Low-Delay, Low Bit-Rate, Sub-Band ADPCM Audio Coder for Broadcasting
Grill et al. Scalable joint stereo coding