JP2009536363A5 - - Google Patents

Download PDF

Info

Publication number
JP2009536363A5
JP2009536363A5 JP2009508301A JP2009508301A JP2009536363A5 JP 2009536363 A5 JP2009536363 A5 JP 2009536363A5 JP 2009508301 A JP2009508301 A JP 2009508301A JP 2009508301 A JP2009508301 A JP 2009508301A JP 2009536363 A5 JP2009536363 A5 JP 2009536363A5
Authority
JP
Japan
Prior art keywords
signal
encoded
lossy
data
lossless
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.)
Granted
Application number
JP2009508301A
Other languages
English (en)
Japanese (ja)
Other versions
JP5135330B2 (ja
JP2009536363A (ja
Filing date
Publication date
Priority claimed from EP06113576A external-priority patent/EP1852848A1/en
Application filed filed Critical
Publication of JP2009536363A publication Critical patent/JP2009536363A/ja
Publication of JP2009536363A5 publication Critical patent/JP2009536363A5/ja
Application granted granted Critical
Publication of JP5135330B2 publication Critical patent/JP5135330B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2009508301A 2006-05-05 2007-04-18 ロッシー符号化されたデータ・ストリームおよびロスレス拡張データ・ストリームを使用する、ソース信号のロスレス符号化を行う方法および装置 Expired - Fee Related JP5135330B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP06113576.0 2006-05-05
EP06113576A EP1852848A1 (en) 2006-05-05 2006-05-05 Method and apparatus for lossless encoding of a source signal using a lossy encoded data stream and a lossless extension data stream
PCT/EP2007/053783 WO2007128661A1 (en) 2006-05-05 2007-04-18 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
JP2009536363A JP2009536363A (ja) 2009-10-08
JP2009536363A5 true JP2009536363A5 (enExample) 2010-06-03
JP5135330B2 JP5135330B2 (ja) 2013-02-06

Family

ID=36694486

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009508301A Expired - Fee Related JP5135330B2 (ja) 2006-05-05 2007-04-18 ロッシー符号化されたデータ・ストリームおよびロスレス拡張データ・ストリームを使用する、ソース信号のロスレス符号化を行う方法および装置

Country Status (9)

Country Link
US (1) US8428941B2 (enExample)
EP (2) EP1852848A1 (enExample)
JP (1) JP5135330B2 (enExample)
KR (1) KR101404335B1 (enExample)
CN (1) CN101432610B (enExample)
AT (1) ATE459868T1 (enExample)
BR (1) BRPI0711190B1 (enExample)
DE (1) DE602007005119D1 (enExample)
WO (1) WO2007128661A1 (enExample)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1881485A1 (en) * 2006-07-18 2008-01-23 Deutsche Thomson-Brandt Gmbh Audio bitstream data structure arrangement of a lossy encoded signal together with lossless encoded extension data for said signal
CN101615395B (zh) 2008-12-31 2011-01-12 华为技术有限公司 信号编码、解码方法及装置、系统
US8457976B2 (en) 2009-01-30 2013-06-04 Qnx Software Systems Limited Sub-band processing complexity reduction
EP2755205B1 (en) * 2010-01-29 2019-12-11 2236008 Ontario Inc. Sub-band processing complexity reduction
EP2395505A1 (en) * 2010-06-11 2011-12-14 Thomson Licensing Method and apparatus for searching in a layered hierarchical bit stream followed by replay, said bit stream including a base layer and at least one enhancement layer
TWI800092B (zh) * 2010-12-03 2023-04-21 美商杜比實驗室特許公司 音頻解碼裝置、音頻解碼方法及音頻編碼方法
BR112013020588B1 (pt) * 2011-02-14 2021-07-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparelho e método para codificação de uma parte de um sinal de áudio utilizando uma detecção transiente e um resultado de qualidade
BR112013020592B1 (pt) 2011-02-14 2021-06-22 Fraunhofer-Gellschaft Zur Fôrderung Der Angewandten Forschung E. V. Codec de áudio utilizando síntese de ruído durante fases inativas
EP2676268B1 (en) 2011-02-14 2014-12-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for processing a decoded audio signal in a spectral domain
ES2639646T3 (es) 2011-02-14 2017-10-27 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificación y decodificación de posiciones de impulso de pistas de una señal de audio
GB201210373D0 (en) * 2012-06-12 2012-07-25 Meridian Audio Ltd Doubly compatible lossless audio sandwidth extension
US9711150B2 (en) 2012-08-22 2017-07-18 Electronics And Telecommunications Research Institute Audio encoding apparatus and method, and audio decoding apparatus and method
EP2770642B1 (en) * 2013-02-26 2022-10-05 Tata Consultancy Services Limited Systems and methods for data archival
EP2830061A1 (en) * 2013-07-22 2015-01-28 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping
US9286313B1 (en) * 2014-12-27 2016-03-15 Ascava, Inc. Efficient lossless reduction of data by deriving data from prime data elements resident in a content-associative sieve
US10431242B1 (en) * 2017-11-02 2019-10-01 Gopro, Inc. Systems and methods for identifying speech based on spectral features
RU2763313C2 (ru) 2017-11-17 2021-12-28 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Устройство и способ кодирования или декодирования параметров направленного кодирования аудио с использованием различных частотно-временных разрешений
CN109887515B (zh) * 2019-01-29 2021-07-09 北京市商汤科技开发有限公司 音频处理方法及装置、电子设备和存储介质
BR112022000230A2 (pt) 2019-08-01 2022-02-22 Dolby Laboratories Licensing Corp Codificação e decodificação de fluxos de bits de ivas
CN115472171B (zh) * 2021-06-11 2024-11-22 华为技术有限公司 编解码方法、装置、设备、存储介质及计算机程序
CN118522296A (zh) * 2023-02-17 2024-08-20 华为技术有限公司 有损编解码器和无损编解码器之间的切换方法和装置

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996019876A1 (en) * 1994-12-20 1996-06-27 Dolby Laboratories Licensing Corporation Method and apparatus for applying waveform prediction to subbands of a perceptual coding system
DE19742201C1 (de) * 1997-09-24 1999-02-04 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Codieren von Audiosignalen
JPH11109996A (ja) 1997-10-06 1999-04-23 Victor Co Of Japan Ltd 音声符号化装置、音声符号化方法及び音声符号化情報の記録された光記録媒体並びに音声復号装置
CN100350749C (zh) * 1998-04-09 2007-11-21 皇家菲利浦电子有限公司 通过传输介质发送/接收数字信息信号的发送/接收装置和方法
CN1227812C (zh) * 2000-01-07 2005-11-16 皇家菲利浦电子有限公司 为编码器中的预测滤波器生成系数
SE0004163D0 (sv) * 2000-11-14 2000-11-14 Coding Technologies Sweden Ab Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering
US6675148B2 (en) * 2001-01-05 2004-01-06 Digital Voice Systems, Inc. Lossless audio coder
JP3636094B2 (ja) * 2001-05-07 2005-04-06 ソニー株式会社 信号符号化装置及び方法、並びに信号復号装置及び方法
KR100908114B1 (ko) * 2002-03-09 2009-07-16 삼성전자주식회사 스케일러블 무손실 오디오 부호화/복호화 장치 및 그 방법
US7275036B2 (en) * 2002-04-18 2007-09-25 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for coding a time-discrete audio signal to obtain coded audio data and for decoding coded audio data
US7536305B2 (en) * 2002-09-04 2009-05-19 Microsoft Corporation Mixed lossless audio compression
KR100467326B1 (ko) * 2002-12-09 2005-01-24 학교법인연세대학교 추가 비트 할당 기법을 이용한 음성 부호화 및 복호화를위한 송수신기
DE102004007184B3 (de) * 2004-02-13 2005-09-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Vorrichtung zum Quantisieren eines Informationssignals
US7392195B2 (en) * 2004-03-25 2008-06-24 Dts, Inc. Lossless multi-channel audio codec
US20060015329A1 (en) * 2004-07-19 2006-01-19 Chu Wai C Apparatus and method for audio coding
ES2636443T3 (es) * 2005-04-01 2017-10-05 Qualcomm Incorporated Sistemas, procedimientos y aparatos para codificación de voz de banda ancha
KR100818268B1 (ko) * 2005-04-14 2008-04-02 삼성전자주식회사 오디오 데이터 부호화 및 복호화 장치와 방법
US8055500B2 (en) * 2005-10-12 2011-11-08 Samsung Electronics Co., Ltd. Method, medium, and apparatus encoding/decoding audio data with extension data
US7835904B2 (en) * 2006-03-03 2010-11-16 Microsoft Corp. Perceptual, scalable audio compression
US20080243518A1 (en) * 2006-11-16 2008-10-02 Alexey Oraevsky System And Method For Compressing And Reconstructing Audio Files
KR101379263B1 (ko) * 2007-01-12 2014-03-28 삼성전자주식회사 대역폭 확장 복호화 방법 및 장치
JP5686369B2 (ja) * 2007-06-11 2015-03-18 フラウンホッファー−ゲゼルシャフト ツァー フェーデルング デア アンゲバンテン フォルシュング エー ファー インパルス状の部分と定常部分とを有するオーディオ信号を符号化するオーディオ符号器、符号化方法、復号器、および復号化方法

Similar Documents

Publication Publication Date Title
JP2009536363A5 (enExample)
US8428941B2 (en) Method and apparatus for lossless encoding of a source signal using a lossy encoded data stream and a lossless extension data stream
US8386271B2 (en) Lossless and near lossless scalable audio codec
JP6438056B2 (ja) 無損失符号化装置
CN101490748B (zh) 使用有损编码数据流和无损扩展数据流对源信号进行无损编码的方法和设备
CN105913851B (zh) 对音频/语音信号进行编码和解码的方法和设备
JP2023098967A (ja) スペクトルエンベロープのサンプル値のコンテキストベースエントロピー符号化
JP2009544993A5 (enExample)
JP2002041097A5 (enExample)
CA2727883A1 (en) Audio encoding/decoding scheme having a switchable bypass
JP4640020B2 (ja) 音声符号化装置及び方法、並びに音声復号装置及び方法
TWI347755B (en) Method for encoding a digital signal into a scalable bitstream; method for decoding a scalable bitstream and decoder performing the same; and related computer program element and computer readable medium executing the same
EP2453437A3 (en) Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream
TW200629883A (en) Method and system for entropy coding/decoding of a video bit stream forfine granularity scalability
JP2009536364A5 (enExample)
RU2017143614A (ru) Усовершенствованный квантователь
JP2005531014A5 (enExample)
JP2008527439A5 (enExample)
JP2007507789A5 (enExample)
FI3831065T3 (fi) Entropiakoodaus signaalien ehostuskoodausta varten
CN1918631B (zh) 音频编码设备、方法和音频解码设备、方法
Muin et al. A review of lossless audio compression standards and algorithms
CN104170007A (zh) 对单声道或立体声进行编码的方法
JP3557164B2 (ja) オーディオ信号符号化方法及びその方法を実行するプログラム記憶媒体
JP2022045909A5 (enExample)