JP2009544993A5 - - Google Patents

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JP2009544993A5
JP2009544993A5 JP2009521205A JP2009521205A JP2009544993A5 JP 2009544993 A5 JP2009544993 A5 JP 2009544993A5 JP 2009521205 A JP2009521205 A JP 2009521205A JP 2009521205 A JP2009521205 A JP 2009521205A JP 2009544993 A5 JP2009544993 A5 JP 2009544993A5
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JP
Japan
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signal
data stream
reversibly
quantizer
irreversibly
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JP2009521205A
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Japanese (ja)
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JP2009544993A (ja
JP5123303B2 (ja
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Priority claimed from EP06117720A external-priority patent/EP1883067A1/en
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JP2009521205A 2006-07-24 2007-07-12 不可逆的符号化データ・ストリームと可逆的伸張データ・ストリームを用いて原信号を可逆的に符号化する方法及び装置 Expired - Fee Related JP5123303B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP06117720A EP1883067A1 (en) 2006-07-24 2006-07-24 Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream
EP06117720.0 2006-07-24
PCT/EP2007/057210 WO2008012211A1 (en) 2006-07-24 2007-07-12 Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream

Publications (3)

Publication Number Publication Date
JP2009544993A JP2009544993A (ja) 2009-12-17
JP2009544993A5 true JP2009544993A5 (enExample) 2010-09-02
JP5123303B2 JP5123303B2 (ja) 2013-01-23

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JP2009521205A Expired - Fee Related JP5123303B2 (ja) 2006-07-24 2007-07-12 不可逆的符号化データ・ストリームと可逆的伸張データ・ストリームを用いて原信号を可逆的に符号化する方法及び装置

Country Status (9)

Country Link
US (1) US20090306993A1 (enExample)
EP (2) EP1883067A1 (enExample)
JP (1) JP5123303B2 (enExample)
KR (1) KR101397736B1 (enExample)
CN (1) CN101490748B (enExample)
AT (1) ATE470219T1 (enExample)
BR (1) BRPI0714835A2 (enExample)
DE (1) DE602007006957D1 (enExample)
WO (1) WO2008012211A1 (enExample)

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DE102006051673A1 (de) * 2006-11-02 2008-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Nachbearbeiten von Spektralwerten und Encodierer und Decodierer für Audiosignale
JP4977157B2 (ja) * 2009-03-06 2012-07-18 株式会社エヌ・ティ・ティ・ドコモ 音信号符号化方法、音信号復号方法、符号化装置、復号装置、音信号処理システム、音信号符号化プログラム、及び、音信号復号プログラム
CN102667921B (zh) 2009-10-20 2014-09-10 弗兰霍菲尔运输应用研究公司 音频编码器、音频解码器、用于将音频信息编码的方法、用于将音频信息解码的方法
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GB2490879B (en) * 2011-05-12 2018-12-26 Qualcomm Technologies Int Ltd Hybrid coded audio data streaming apparatus and method
WO2013109773A1 (en) * 2012-01-17 2013-07-25 Futurewei Technologies, Inc. In-loop filtering for lossless coding mode in high efficiency video coding
GB201210373D0 (en) 2012-06-12 2012-07-25 Meridian Audio Ltd Doubly compatible lossless audio sandwidth extension
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MX372749B (es) * 2013-01-29 2020-05-26 Fraunhofer Ges Forschung Decodificador para generar una señal de audio mejorada en frecuencia, metodo de decodificacion, codificador para generar una señal codificada y metodo de codificacion utilizando informacion secundaria de seleccion compacta.
WO2014126688A1 (en) 2013-02-14 2014-08-21 Dolby Laboratories Licensing Corporation Methods for audio signal transient detection and decorrelation control
TWI618051B (zh) 2013-02-14 2018-03-11 杜比實驗室特許公司 用於利用估計之空間參數的音頻訊號增強的音頻訊號處理方法及裝置
TWI618050B (zh) 2013-02-14 2018-03-11 杜比實驗室特許公司 用於音訊處理系統中之訊號去相關的方法及設備
EP2956935B1 (en) 2013-02-14 2017-01-04 Dolby Laboratories Licensing Corporation Controlling the inter-channel coherence of upmixed audio signals
US10468033B2 (en) 2013-09-13 2019-11-05 Samsung Electronics Co., Ltd. Energy lossless coding method and apparatus, signal coding method and apparatus, energy lossless decoding method and apparatus, and signal decoding method and apparatus
EP4134951B1 (en) * 2013-09-13 2024-07-24 Samsung Electronics Co., Ltd. Energy lossless coding apparatus
US10438597B2 (en) 2017-08-31 2019-10-08 Dolby International Ab Decoder-provided time domain aliasing cancellation during lossy/lossless transitions
CN114724567B (zh) * 2020-12-18 2025-04-15 同响科技股份有限公司 固定带宽音信数据的有损或无损压缩的动态切换方法
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