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
Other languages
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
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
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

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)
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
US370562 1999-08-09
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 (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
CN1264382C (zh) * 1999-12-24 2006-07-12 皇家菲利浦电子有限公司 多通道音频信号处理装置和方法
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
ATE348386T1 (de) * 2002-11-28 2007-01-15 Koninkl Philips Electronics Nv Audiosignalkodierung
KR20040060718A (ko) * 2002-12-28 2004-07-06 삼성전자주식회사 오디오 스트림 믹싱 방법, 그 장치 및 그 정보저장매체
CA2514682A1 (en) * 2002-12-28 2004-07-15 Samsung Electronics Co., Ltd. Method and apparatus for mixing audio stream and information storage medium
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
WO2004112400A1 (en) * 2003-06-16 2004-12-23 Matsushita Electric Industrial Co., Ltd. Coding apparatus, coding method, and codebook
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
EP1673764B1 (de) * 2003-10-10 2008-04-09 Agency for Science, Technology and Research Verfahren zum codieren eines digitalen signals in einen skalierbaren bitstrom, verfahren zum decodieren eines skalierbaren bitstroms
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
JP2008502022A (ja) * 2004-06-08 2008-01-24 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 オーディオ符号化
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
CN101091208B (zh) * 2004-12-27 2011-07-13 松下电器产业株式会社 语音编码装置和语音编码方法
CN101111887B (zh) * 2005-02-01 2011-06-29 松下电器产业株式会社 可扩展编码装置和可扩展编码方法
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系统
US9626973B2 (en) * 2005-02-23 2017-04-18 Telefonaktiebolaget L M Ericsson (Publ) Adaptive bit allocation for multi-channel audio encoding
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
KR100851972B1 (ko) * 2005-10-12 2008-08-12 삼성전자주식회사 오디오 데이터 및 확장 데이터 부호화/복호화 방법 및 장치
DE602007002385D1 (de) * 2006-02-06 2009-10-22 France Telecom Verfahren und vorrichtung zur hierarchischen kodiecodierverfahren und gerät, programme und signal
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
WO2007102782A2 (en) * 2006-03-07 2007-09-13 Telefonaktiebolaget Lm Ericsson (Publ) Methods and arrangements for audio coding and decoding
JP5058152B2 (ja) * 2006-03-10 2012-10-24 パナソニック株式会社 符号化装置および符号化方法
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
DE602007012116D1 (de) * 2006-08-15 2011-03-03 Dolby Lab Licensing Corp Arbiträre formung einer temporären rauschhüllkurve ohne nebeninformation
US20080059154A1 (en) * 2006-09-01 2008-03-06 Nokia Corporation Encoding an audio signal
WO2008056280A1 (en) 2006-11-06 2008-05-15 Nokia Corporation Dynamic quantizer structures for efficient compression
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
WO2008088741A2 (en) 2007-01-12 2008-07-24 Ictv, Inc. Interactive encoded content system including object models for viewing on a remote 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
US8983830B2 (en) * 2007-03-30 2015-03-17 Panasonic Intellectual Property Corporation Of America Stereo signal encoding device including setting of threshold frequencies and stereo signal encoding method including setting of threshold frequencies
CN102017402B (zh) 2007-12-21 2015-01-07 Dts有限责任公司 用于调节音频信号的感知响度的系统
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
BRPI1005300B1 (pt) * 2009-01-28 2021-06-29 Fraunhofer - Gesellschaft Zur Forderung Der Angewandten Ten Forschung E.V. Codificador de áudio, decodificador de áudio, informações de áudio codificado e métodos para codificar e decodificar um sinal de áudio com base em uma informação de áudio codificado e em uma informação de áudio de entrada.
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
WO2011045926A1 (ja) * 2009-10-14 2011-04-21 パナソニック株式会社 符号化装置、復号装置およびこれらの方法
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
CA2814070A1 (en) 2010-10-14 2012-04-19 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 (de) 2011-04-07 2017-06-07 ActiveVideo Networks, Inc. Latenzreduktion in videoverteilungsnetzwerken mit adaptiver bitrate
WO2013106390A1 (en) 2012-01-09 2013-07-18 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
ES2629195T3 (es) * 2013-01-21 2017-08-07 Dolby Laboratories Licensing Corporation Codificación y descodificación de una secuencia de bits según un nivel de confianza
IL287218B (en) * 2013-01-21 2022-07-01 Dolby Laboratories Licensing Corp Audio encoder and decoder with program loudness and boundary metada
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
US9326047B2 (en) 2013-06-06 2016-04-26 Activevideo Networks, Inc. Overlay rendering of user interface onto source video
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
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
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
JP7175979B2 (ja) * 2017-11-17 2022-11-21 フラウンホファー ゲセルシャフト ツール フェールデルンク ダー アンゲヴァンテン フォルシュンク エー．ファオ． 様々な時間／周波数分解能を使用して指向性オーディオコーディングパラメータを符号化または復号するための装置および方法
JP7262593B2 (ja) * 2019-01-13 2023-04-21 華為技術有限公司 ハイレゾリューションオーディオ符号化
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
US5253056A (en) 1992-07-02 1993-10-12 At&T Bell Laboratories Spatial/frequency hybrid video coding facilitating the derivatives of variable-resolution images
US5253055A (en) 1992-07-02 1993-10-12 At&T Bell Laboratories Efficient frequency scalable video encoding with coefficient selection
DE4241068C2 (de) * 1992-12-05 2003-11-13 Thomson Brandt Gmbh Verfahren zum Übertragen, Speichern oder Decodieren eines digitalen Zusatzsignals in einem digitalen Tonsignal
US5537510A (en) * 1994-12-30 1996-07-16 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 (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
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
KR100335609B1 (ko) * 1997-11-20 2002-10-04 삼성전자 주식회사 비트율조절이가능한오디오부호화/복호화방법및장치
KR100335611B1 (ko) 1997-11-20 2002-10-09 삼성전자 주식회사 비트율 조절이 가능한 스테레오 오디오 부호화/복호화 방법 및 장치

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US6446037B1 (en) 2002-09-03
AU6758400A (en) 2001-03-05
ATE239291T1 (de) 2003-05-15
DE60002483T2 (de) 2004-03-25
ES2194765T3 (es) 2003-12-01
CN1369092A (zh) 2002-09-11
KR100903017B1 (ko) 2009-06-16
WO2001011609A1 (en) 2001-02-15
EP1210712B1 (de) 2003-05-02
DK1210712T3 (da) 2003-08-11
EP1210712A1 (de) 2002-06-05
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