DE60002483D1 - Skalierbares kodierungsverfahren für hochqualitätsaudio - Google Patents

Skalierbares kodierungsverfahren für hochqualitätsaudio

Info

Publication number
DE60002483D1
DE60002483D1 DE60002483T DE60002483T DE60002483D1 DE 60002483 D1 DE60002483 D1 DE 60002483D1 DE 60002483 T DE60002483 T DE 60002483T DE 60002483 T DE60002483 T DE 60002483T DE 60002483 D1 DE60002483 D1 DE 60002483D1
Authority
DE
Germany
Prior art keywords
coding
noise spectrum
desired noise
audio
data
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
DE60002483T
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English (en)
Other versions
DE60002483T2 (de
Inventor
Dunn Fielder
Decker Vernon
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
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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
Application granted granted Critical
Publication of DE60002483D1 publication Critical patent/DE60002483D1/de
Publication of DE60002483T2 publication Critical patent/DE60002483T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • 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
DE60002483T 1999-08-09 2000-08-04 Skalierbares kodierungsverfahren für hochqualitätsaudio Expired - Lifetime DE60002483T2 (de)

Applications Claiming Priority (3)

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
US370562 1999-08-09
PCT/US2000/021303 WO2001011609A1 (en) 1999-08-09 2000-08-04 Scalable coding method for high quality audio

Publications (2)

Publication Number Publication Date
DE60002483D1 true DE60002483D1 (de) 2003-06-05
DE60002483T2 DE60002483T2 (de) 2004-03-25

Family

ID=23460204

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60002483T Expired - Lifetime DE60002483T2 (de) 1999-08-09 2000-08-04 Skalierbares kodierungsverfahren für hochqualitätsaudio

Country Status (13)

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

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
WO2001049073A2 (en) * 1999-12-24 2001-07-05 Koninklijke Philips Electronics N.V. Multichannel audio signal processing device
CN1166208C (zh) * 2000-01-14 2004-09-08 皇家菲利浦电子有限公司 代码转换方法和设备
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
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
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
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
US7644001B2 (en) * 2002-11-28 2010-01-05 Koninklijke Philips Electronics N.V. Differentially coding an audio signal
WO2004059643A1 (en) * 2002-12-28 2004-07-15 Samsung Electronics Co., Ltd. Method and apparatus for mixing audio stream and information storage 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
JP4382090B2 (ja) * 2003-06-16 2009-12-09 パナソニック株式会社 符号化装置、符号化方法およびコードブック
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
US8446947B2 (en) * 2003-10-10 2013-05-21 Agency For Science, Technology And Research Method for encoding a digital signal into a scalable bitstream; method for decoding a scalable bitstream
US7809579B2 (en) * 2003-12-19 2010-10-05 Telefonaktiebolaget Lm Ericsson (Publ) Fidelity-optimized variable frame length encoding
US7725324B2 (en) * 2003-12-19 2010-05-25 Telefonaktiebolaget Lm Ericsson (Publ) Constrained filter encoding of polyphonic signals
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
EP1756807B1 (de) * 2004-06-08 2007-11-14 Koninklijke Philips Electronics N.V. Audiokodierung
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
CN101044554A (zh) * 2004-10-13 2007-09-26 松下电器产业株式会社 可扩展性编码装置、可扩展性解码装置以及可扩展性编码方法
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
JP5046652B2 (ja) * 2004-12-27 2012-10-10 パナソニック株式会社 音声符号化装置および音声符号化方法
US8036390B2 (en) * 2005-02-01 2011-10-11 Panasonic Corporation Scalable encoding device and scalable encoding method
US9626973B2 (en) * 2005-02-23 2017-04-18 Telefonaktiebolaget L M Ericsson (Publ) Adaptive bit allocation for multi-channel audio encoding
ATE521143T1 (de) * 2005-02-23 2011-09-15 Ericsson Telefon Ab L M Adaptive bitzuweisung für die mehrkanal- audiokodierung
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
CN101288117B (zh) * 2005-10-12 2014-07-16 三星电子株式会社 对音频数据和扩展数据进行编码/解码的方法和设备
ATE442645T1 (de) * 2006-02-06 2009-09-15 France Telecom Verfahren und vorrichtung zur hierarchischen kodierung eines quelltonsignals sowie entsprechendes decodierverfahren und gerät, programme und signal
KR101366124B1 (ko) * 2006-02-14 2014-02-21 오렌지 오디오 인코딩/디코딩에서의 인지 가중 장치
US7835904B2 (en) * 2006-03-03 2010-11-16 Microsoft Corp. Perceptual, scalable audio compression
CN101395661B (zh) * 2006-03-07 2013-02-06 艾利森电话股份有限公司 音频编码和解码的方法和设备
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
EP1990800B1 (de) * 2006-03-17 2016-11-16 Panasonic Intellectual Property Management Co., Ltd. Skalierbare verschlüsselungsvorrichtung und skalierbares verschlüsselungsverfahren
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
CN101501761B (zh) * 2006-08-15 2012-02-08 杜比实验室特许公司 无需边信息对时域噪声包络的任意整形
US20080059154A1 (en) * 2006-09-01 2008-03-06 Nokia Corporation Encoding an audio signal
KR101086515B1 (ko) * 2006-11-06 2011-11-23 노키아 코포레이션 복수의 파라미터를 가진 입력 신호 인코딩 방법, 이진 포맷 데이터 디코딩 방법, 복수의 파라미터를 가진 입력 신호 인코딩 장치, 이진 포맷 데이터 디코딩 장치 및 컴퓨터 판독가능 매체
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
US9042454B2 (en) 2007-01-12 2015-05-26 Activevideo Networks, Inc. Interactive encoded content system including object models for viewing on a remote device
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
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
BRPI0809940A2 (pt) * 2007-03-30 2014-10-07 Panasonic Corp Dispositivo de codificação e método de codificação
KR101597375B1 (ko) 2007-12-21 2016-02-24 디티에스 엘엘씨 오디오 신호의 인지된 음량을 조절하기 위한 시스템
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
CA2750795C (en) * 2009-01-28 2015-05-26 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder, encoded audio information, methods for encoding and decoding an audio signal and computer program
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
EP2490216B1 (de) * 2009-10-14 2019-04-24 III Holdings 12, LLC Geschichtete sprachkodierung
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
WO2012138660A2 (en) 2011-04-07 2012-10-11 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
US9123084B2 (en) 2012-04-12 2015-09-01 Activevideo Networks, Inc. Graphical application integration with MPEG objects
US9312829B2 (en) 2012-04-12 2016-04-12 Dts Llc System for adjusting loudness of audio signals in real time
RU2602332C1 (ru) * 2013-01-21 2016-11-20 Долби Лабораторис Лайсэнзин Корпорейшн Перекодировка метаданных
UA122050C2 (uk) * 2013-01-21 2020-09-10 Долбі Лабораторіс Лайсензін Корпорейшн Аудіокодер і аудіодекодер з метаданими гучності та границі програми
WO2014145921A1 (en) 2013-03-15 2014-09-18 Activevideo Networks, Inc. A multiple-mode system and method for providing user selectable video content
EP2997573A4 (de) 2013-05-17 2017-01-18 Nokia Technologies OY Räumliche objektorientierte audiovorrichtung
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 (de) 2013-06-06 2016-04-13 ActiveVideo Networks, Inc. Überlagerte darstellung einer benutzerschnittstelle auf quellvideoinhalten
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
ES2930374T3 (es) * 2017-11-17 2022-12-09 Fraunhofer Ges Forschung Aparato y método para codificar o decodificar parámetros de codificación de audio direccional utilizando diferentes resoluciones de tiempo/frecuencia
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 (de) * 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 (de) * 1994-12-30 1999-12-08 Daewoo Electronics Co., Ltd Adaptive Kodiervorrichtung für Digitaltonsignale und Bitverteilungsverfahren dafür
KR0144011B1 (ko) * 1994-12-31 1998-07-15 김주용 엠펙 오디오 데이타 고속 비트 할당 및 최적 비트 할당 방법
EP0734021A3 (de) 1995-03-23 1999-05-26 SICAN, GESELLSCHAFT FÜR SILIZIUM-ANWENDUNGEN UND CAD/CAT NIEDERSACHSEN mbH Verfahren und Vorrichtung zur Dekodierung digitaler, im MPEG-Format Layer 1 oder 2 kodierter Audiodaten
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
DE19537338C2 (de) 1995-10-06 2003-05-22 Fraunhofer Ges Forschung Verfahren und 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
KR100261253B1 (ko) 1997-04-02 2000-07-01 윤종용 비트율 조절이 가능한 오디오 부호화/복호화 방법및 장치
KR100261254B1 (ko) * 1997-04-02 2000-07-01 윤종용 비트율 조절이 가능한 오디오 데이터 부호화/복호화방법 및 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

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AU6758400A (en) 2001-03-05
ATE239291T1 (de) 2003-05-15
DE60002483T2 (de) 2004-03-25
EP1210712B1 (de) 2003-05-02
US6446037B1 (en) 2002-09-03
WO2001011609A1 (en) 2001-02-15
JP2003506763A (ja) 2003-02-18
CN1369092A (zh) 2002-09-11
TW526470B (en) 2003-04-01
CN1153191C (zh) 2004-06-09
KR100903017B1 (ko) 2009-06-16
KR20020035116A (ko) 2002-05-09
EP1210712A1 (de) 2002-06-05
ES2194765T3 (es) 2003-12-01

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