JP2008527439A5 - - Google Patents

Download PDF

Info

Publication number
JP2008527439A5
JP2008527439A5 JP2007550000A JP2007550000A JP2008527439A5 JP 2008527439 A5 JP2008527439 A5 JP 2008527439A5 JP 2007550000 A JP2007550000 A JP 2007550000A JP 2007550000 A JP2007550000 A JP 2007550000A JP 2008527439 A5 JP2008527439 A5 JP 2008527439A5
Authority
JP
Japan
Prior art keywords
bitstream
component
decoder
waveform
audio signal
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
JP2007550000A
Other languages
English (en)
Japanese (ja)
Other versions
JP2008527439A (ja
JP5542306B2 (ja
Filing date
Publication date
Application filed filed Critical
Priority claimed from PCT/IB2006/050055 external-priority patent/WO2006075269A1/en
Publication of JP2008527439A publication Critical patent/JP2008527439A/ja
Publication of JP2008527439A5 publication Critical patent/JP2008527439A5/ja
Application granted granted Critical
Publication of JP5542306B2 publication Critical patent/JP5542306B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

JP2007550000A 2005-01-11 2006-01-06 オーディオ信号のスケーラブル符号化及び復号 Expired - Lifetime JP5542306B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP05100124 2005-01-11
EP05100124.6 2005-01-11
EP05104571 2005-05-27
EP05104571.4 2005-05-27
PCT/IB2006/050055 WO2006075269A1 (en) 2005-01-11 2006-01-06 Scalable encoding/decoding of audio signals

Publications (3)

Publication Number Publication Date
JP2008527439A JP2008527439A (ja) 2008-07-24
JP2008527439A5 true JP2008527439A5 (enExample) 2009-02-19
JP5542306B2 JP5542306B2 (ja) 2014-07-09

Family

ID=36112620

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007550000A Expired - Lifetime JP5542306B2 (ja) 2005-01-11 2006-01-06 オーディオ信号のスケーラブル符号化及び復号

Country Status (7)

Country Link
US (1) US7937272B2 (enExample)
EP (1) EP1839297B1 (enExample)
JP (1) JP5542306B2 (enExample)
CN (1) CN101103393B (enExample)
BR (1) BRPI0606387B1 (enExample)
PL (1) PL1839297T3 (enExample)
WO (1) WO2006075269A1 (enExample)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1946517B1 (en) 2005-10-31 2012-11-28 SK Telecom Co., Ltd. Audio data packet format and decoding method thereof and method for correcting mobile communication terminal codec setup error and mobile communication terminal performing same
EP1855271A1 (en) * 2006-05-12 2007-11-14 Deutsche Thomson-Brandt Gmbh Method and apparatus for re-encoding signals
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
EP1883067A1 (en) * 2006-07-24 2008-01-30 Deutsche Thomson-Brandt Gmbh Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream
WO2008082276A1 (en) * 2007-01-05 2008-07-10 Lg Electronics Inc. A method and an apparatus for processing an audio signal
GB0705328D0 (en) * 2007-03-20 2007-04-25 Skype Ltd Method of transmitting data in a communication system
KR101380170B1 (ko) * 2007-08-31 2014-04-02 삼성전자주식회사 미디어 신호 인코딩/디코딩 방법 및 장치
JP5214058B2 (ja) * 2009-03-17 2013-06-19 ドルビー インターナショナル アーベー 適応的に選択可能な左／右又はミッド／サイド・ステレオ符号化及びパラメトリック・ステレオ符号化の組み合わせに基づいた高度ステレオ符号化
JP5774490B2 (ja) * 2009-11-12 2015-09-09 パナソニック インテレクチュアル プロパティ コーポレーション オブアメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 符号化装置、復号装置およびこれらの方法
CN102081927B (zh) * 2009-11-27 2012-07-18 中兴通讯股份有限公司 一种可分层音频编码、解码方法及系统
TWI516138B (zh) * 2010-08-24 2016-01-01 杜比國際公司 從二聲道音頻訊號決定參數式立體聲參數之系統與方法及其電腦程式產品
WO2012111325A1 (ja) * 2011-02-17 2012-08-23 パナソニック株式会社 映像符号化装置、映像符号化方法、映像符号化プログラム、映像再生装置、映像再生方法及び映像再生プログラム
US9424233B2 (en) 2012-07-20 2016-08-23 Veveo, Inc. Method of and system for inferring user intent in search input in a conversational interaction system
US9465833B2 (en) 2012-07-31 2016-10-11 Veveo, Inc. Disambiguating user intent in conversational interaction system for large corpus information retrieval
EP2950308B1 (en) * 2013-01-22 2020-02-19 Panasonic Corporation Bandwidth expansion parameter-generator, encoder, decoder, bandwidth expansion parameter-generating method, encoding method, and decoding method
CN104078048B (zh) * 2013-03-29 2017-05-03 北京天籁传音数字技术有限公司 一种声音解码装置及其方法
RU2639952C2 (ru) * 2013-08-28 2017-12-25 Долби Лабораторис Лайсэнзин Корпорейшн Гибридное усиление речи с кодированием формы сигнала и параметрическим кодированием
EP2922057A1 (en) * 2014-03-21 2015-09-23 Thomson Licensing Method for compressing a Higher Order Ambisonics (HOA) signal, method for decompressing a compressed HOA signal, apparatus for compressing a HOA signal, and apparatus for decompressing a compressed HOA signal
EP2963649A1 (en) 2014-07-01 2016-01-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio processor and method for processing an audio signal using horizontal phase correction
US9852136B2 (en) 2014-12-23 2017-12-26 Rovi Guides, Inc. Systems and methods for determining whether a negation statement applies to a current or past query
US9854049B2 (en) 2015-01-30 2017-12-26 Rovi Guides, Inc. Systems and methods for resolving ambiguous terms in social chatter based on a user profile
TWI879690B (zh) * 2015-03-13 2025-04-01 瑞典商杜比國際公司 音訊處理單元、用於將經編碼的音訊位元流解碼之方法以及非暫態電腦可讀媒體
PT3417544T (pt) * 2016-02-17 2020-03-02 Fraunhofer Ges Forschung Pós-processador, pré-processador, codificador de áudio, descodificador de áudio e métodos relacionados para aprimoramento do processamento de transiente
BR112021003104A2 (pt) 2018-08-21 2021-05-11 Dolby International Ab métodos, aparelho e sistemas para geração, transporte e processamento de quadros de reprodução imediata (ipfs)

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5886276A (en) * 1997-01-16 1999-03-23 The Board Of Trustees Of The Leland Stanford Junior University System and method for multiresolution scalable audio signal encoding
US6728775B1 (en) 1997-03-17 2004-04-27 Microsoft Corporation Multiple multicasting of multimedia streams
AU9404098A (en) 1997-09-23 1999-04-12 Voxware, Inc. Scalable and embedded codec for speech and audio signals
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
US6366888B1 (en) 1999-03-29 2002-04-02 Lucent Technologies Inc. Technique for multi-rate coding of a signal containing information
US6226616B1 (en) 1999-06-21 2001-05-01 Digital Theater Systems, Inc. Sound quality of established low bit-rate audio coding systems without loss of decoder compatibility
US7292901B2 (en) 2002-06-24 2007-11-06 Agere Systems Inc. Hybrid multi-channel/cue coding/decoding of audio signals
SE0202159D0 (sv) 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
US7333929B1 (en) * 2001-09-13 2008-02-19 Chmounk Dmitri V Modular scalable compressed audio data stream
WO2003090207A1 (en) * 2002-04-22 2003-10-30 Koninklijke Philips Electronics N.V. Parametric multi-channel audio representation
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
US7706544B2 (en) * 2002-11-21 2010-04-27 Fraunhofer-Geselleschaft Zur Forderung Der Angewandten Forschung E.V. Audio reproduction system and method for reproducing an audio signal
KR100561867B1 (ko) * 2003-03-07 2006-03-17 삼성전자주식회사 오디오 신호 처리 장치와 방법 및 컴퓨터 프로그램을저장하는 컴퓨터로 읽을 수 있는 기록 매체
CN100553332C (zh) * 2003-06-19 2009-10-21 汤姆森特许公司 低复杂度空间可缩放编码的方法和设备
US20050010396A1 (en) 2003-07-08 2005-01-13 Industrial Technology Research Institute Scale factor based bit shifting in fine granularity scalability audio coding

Similar Documents

Publication Publication Date Title
CN101326726B (zh) 对多声道音频信号进行编码/解码的系统和方法
KR101387902B1 (ko) 다객체 오디오 신호를 부호화하는 방법 및 부호화 장치, 복호화 방법 및 복호화 장치, 그리고 트랜스코딩 방법 및 트랜스코더
JP5542306B2 (ja) オーディオ信号のスケーラブル符号化及び復号
CN102800321B (zh) 多对象音频信号的附加信息比特流产生方法和装置
CN101556799B (zh) 一种音频解码方法和音频解码器
CN104170009B (zh) 感知音频编解码器中的谐波信号的相位相干性控制
US20070208557A1 (en) Perceptual, scalable audio compression
BRPI0608945C8 (pt) codificador de áudio de multi-canal, decodificador de áudio de multi-canal, método de codificar n sinais de áudio em m sinais de áudio e dados paramétricos associados, método de decodificar k sinais de áudio e dados paramétricos associados, método de transmitir e receber um sinal de áudio de multi-canal codificado, mídia de armazenamento legível por computador, e, sistema de transmissão
US8930197B2 (en) Apparatus and method for encoding and reproduction of speech and audio signals
CN105264595A (zh) 用于编码音频信号的方法、用于编码音频信号的装置、用于解码音频信号的方法和用于解码音频信号的装置
WO2008000901A1 (en) Scalable audio coding
CN105580073A (zh) 音频解码器、音频编码器、用于基于已编码表示提供至少四个音频声道信号的方法、用于基于至少四个音频声道信号提供已编码表示的方法、及使用带宽扩展的计算机程序
KR20230007971A (ko) 객체 오디오 신호의 잔향 신호를 이용한 오디오 부/복호화 장치
JP2011075936A (ja) オーディオエンコーダ及びデコーダ
JP2016530789A (ja) 修正された出力信号を得るために符号化されたオーディオ信号を復号化するための装置および方法
US8948403B2 (en) Method of processing signal, encoding apparatus thereof, decoding apparatus thereof, and signal processing system
KR102335911B1 (ko) 객체 오디오 신호의 잔향 신호를 이용한 오디오 부/복호화 장치