JP2004520740A5 - - Google Patents

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JP2004520740A5
JP2004520740A5 JP2002558261A JP2002558261A JP2004520740A5 JP 2004520740 A5 JP2004520740 A5 JP 2004520740A5 JP 2002558261 A JP2002558261 A JP 2002558261A JP 2002558261 A JP2002558261 A JP 2002558261A JP 2004520740 A5 JP2004520740 A5 JP 2004520740A5
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Japan
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blocks
aac
celp
latm
superframes
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JP2002558261A
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JP3890299B2 (ja
JP2004520740A (ja
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Priority claimed from DE10102155A external-priority patent/DE10102155C2/de
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Publication of JP2004520740A5 publication Critical patent/JP2004520740A5/ja
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MPEG4の中で表に示されているように、CELPフレームの個数に対するAACフレームの個数という点で、スーパーフレームは様々な比率の個数を持つことができる。そのため、1つのスーパーフレームは、例えば1個のAACブロックと1〜12個のCELPブロックを持つことができ、あるいは3個のAACブロックと8個のCELPブロックを持つことができる。しかし、構成によってはまた、CELPブロックよりも多い個数のAACブロックを持つことも可能である。1つのLATM決定データブロックを備えた1つのLATMフレームは、1個または数個のスーパーフレームを含む。
JP2002558261A 2001-01-18 2002-01-14 スケーラブルデータストリームを生成する方法と装置およびスケーラブルデータストリームを復号化する方法と装置 Expired - Lifetime JP3890299B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10102155A DE10102155C2 (de) 2001-01-18 2001-01-18 Verfahren und Vorrichtung zum Erzeugen eines skalierbaren Datenstroms und Verfahren und Vorrichtung zum Decodieren eines skalierbaren Datenstroms
PCT/EP2002/000297 WO2002058054A1 (de) 2001-01-18 2002-01-14 Verfahren und vorrichtung zum erzeugen eines skalierbaren datenstroms und verfahren und vorrichtung zum decodieren eines skalierbaren datenstroms

Publications (3)

Publication Number Publication Date
JP2004520740A JP2004520740A (ja) 2004-07-08
JP2004520740A5 true JP2004520740A5 (ja) 2005-08-25
JP3890299B2 JP3890299B2 (ja) 2007-03-07

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ID=7670984

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Application Number Title Priority Date Filing Date
JP2002558261A Expired - Lifetime JP3890299B2 (ja) 2001-01-18 2002-01-14 スケーラブルデータストリームを生成する方法と装置およびスケーラブルデータストリームを復号化する方法と装置

Country Status (9)

Country Link
US (1) US7454353B2 (ja)
EP (1) EP1327243B1 (ja)
JP (1) JP3890299B2 (ja)
KR (1) KR100546894B1 (ja)
AT (1) ATE259533T1 (ja)
CA (1) CA2428477C (ja)
DE (2) DE10102155C2 (ja)
HK (1) HK1057123A1 (ja)
WO (1) WO2002058054A1 (ja)

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* Cited by examiner, † Cited by third party
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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
EP1841072B1 (de) * 2006-03-30 2016-06-01 Unify GmbH & Co. KG Verfahren und Einrichtung zum Dekodieren von schichtkodierten Daten
KR20080053739A (ko) * 2006-12-11 2008-06-16 삼성전자주식회사 적응적으로 윈도우 크기를 적용하는 부호화 장치 및 방법
FR2911228A1 (fr) * 2007-01-05 2008-07-11 France Telecom Codage par transformee, utilisant des fenetres de ponderation et a faible retard.
CN104240713A (zh) 2008-09-18 2014-12-24 韩国电子通信研究院 编码方法和解码方法
TWI384459B (zh) * 2009-07-22 2013-02-01 Mstar Semiconductor Inc 音框檔頭之自動偵測方法
CN101989429B (zh) * 2009-07-31 2012-02-01 华为技术有限公司 转码方法、装置、设备以及系统
WO2011061958A1 (ja) * 2009-11-17 2011-05-26 シャープ株式会社 復号化装置、復号化装置の制御方法、伝送システム、および制御プログラムを記録したコンピュータ読み取り可能な記録媒体
US8811765B2 (en) 2009-11-17 2014-08-19 Sharp Kabushiki Kaisha Encoding device configured to generate a frequency component extraction signal, control method for an encoding device using the frequency component extraction signal, transmission system, and computer-readable recording medium having a control program recorded thereon
US10115386B2 (en) * 2009-11-18 2018-10-30 Qualcomm Incorporated Delay techniques in active noise cancellation circuits or other circuits that perform filtering of decimated coefficients
WO2013142650A1 (en) 2012-03-23 2013-09-26 Dolby International Ab Enabling sampling rate diversity in a voice communication system
EP2980794A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and decoder using a frequency domain processor and a time domain processor
EP2980795A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor

Family Cites Families (16)

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Publication number Priority date Publication date Assignee Title
DE3943879B4 (de) * 1989-04-17 2008-07-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Digitales Codierverfahren
DE19549621B4 (de) 1995-10-06 2004-07-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zum Codieren von Audiosignalen
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
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
DE19747132C2 (de) * 1997-10-24 2002-11-28 Fraunhofer Ges Forschung Verfahren und Vorrichtungen zum Codieren von Audiosignalen sowie Verfahren und Vorrichtungen zum Decodieren eines Bitstroms
KR100335609B1 (ko) * 1997-11-20 2002-10-04 삼성전자 주식회사 비트율조절이가능한오디오부호화/복호화방법및장치
AU1928999A (en) * 1997-12-19 1999-07-12 Kenneth Rose Scalable predictive coding method and apparatus
WO1999050828A1 (en) * 1998-03-30 1999-10-07 Voxware, Inc. Low-complexity, low-delay, scalable and embedded speech and audio coding with adaptive frame loss concealment
US6029126A (en) * 1998-06-30 2000-02-22 Microsoft Corporation Scalable audio coder and decoder
US6275531B1 (en) * 1998-07-23 2001-08-14 Optivision, Inc. Scalable video coding method and apparatus
US6182031B1 (en) * 1998-09-15 2001-01-30 Intel Corp. Scalable audio coding system
JP2000307661A (ja) * 1999-04-22 2000-11-02 Matsushita Electric Ind Co Ltd 符号化装置および復号化装置
US7245663B2 (en) * 1999-07-06 2007-07-17 Koninklijke Philips Electronis N.V. Method and apparatus for improved efficiency in transmission of fine granular scalable selective enhanced images
US6263022B1 (en) * 1999-07-06 2001-07-17 Philips Electronics North America Corp. System and method for fine granular scalable video with selective quality enhancement
US6446037B1 (en) * 1999-08-09 2002-09-03 Dolby Laboratories Licensing Corporation Scalable coding method for high quality audio

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