JP2004264810A5 - - Google Patents

Download PDF

Info

Publication number
JP2004264810A5
JP2004264810A5 JP2003309276A JP2003309276A JP2004264810A5 JP 2004264810 A5 JP2004264810 A5 JP 2004264810A5 JP 2003309276 A JP2003309276 A JP 2003309276A JP 2003309276 A JP2003309276 A JP 2003309276A JP 2004264810 A5 JP2004264810 A5 JP 2004264810A5
Authority
JP
Japan
Prior art keywords
channel
audio data
transform
channels
transformation
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
JP2003309276A
Other languages
English (en)
Japanese (ja)
Other versions
JP4676139B2 (ja
JP2004264810A (ja
Filing date
Publication date
Priority claimed from US10/642,550 external-priority patent/US7502743B2/en
Application filed filed Critical
Publication of JP2004264810A publication Critical patent/JP2004264810A/ja
Publication of JP2004264810A5 publication Critical patent/JP2004264810A5/ja
Application granted granted Critical
Publication of JP4676139B2 publication Critical patent/JP4676139B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

JP2003309276A 2002-09-04 2003-09-01 マルチチャネルオーディオのエンコーディングおよびデコーディング Expired - Lifetime JP4676139B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40851702P 2002-09-04 2002-09-04
US10/642,550 US7502743B2 (en) 2002-09-04 2003-08-15 Multi-channel audio encoding and decoding with multi-channel transform selection

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2010095929A Division JP5097242B2 (ja) 2002-09-04 2010-04-19 マルチチャネルオーディオのエンコーディングおよびデコーディング

Publications (3)

Publication Number Publication Date
JP2004264810A JP2004264810A (ja) 2004-09-24
JP2004264810A5 true JP2004264810A5 (enExample) 2006-10-05
JP4676139B2 JP4676139B2 (ja) 2011-04-27

Family

ID=31997748

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2003309276A Expired - Lifetime JP4676139B2 (ja) 2002-09-04 2003-09-01 マルチチャネルオーディオのエンコーディングおよびデコーディング
JP2010095929A Expired - Lifetime JP5097242B2 (ja) 2002-09-04 2010-04-19 マルチチャネルオーディオのエンコーディングおよびデコーディング

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2010095929A Expired - Lifetime JP5097242B2 (ja) 2002-09-04 2010-04-19 マルチチャネルオーディオのエンコーディングおよびデコーディング

Country Status (6)

Country Link
US (7) US7502743B2 (enExample)
EP (2) EP1403854B1 (enExample)
JP (2) JP4676139B2 (enExample)
AT (1) ATE418137T1 (enExample)
DE (1) DE60325314D1 (enExample)
ES (1) ES2316678T3 (enExample)

Families Citing this family (175)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7742927B2 (en) * 2000-04-18 2010-06-22 France Telecom Spectral enhancing method and device
US6934677B2 (en) 2001-12-14 2005-08-23 Microsoft Corporation Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands
US7240001B2 (en) 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
US20030187663A1 (en) 2002-03-28 2003-10-02 Truman Michael Mead Broadband frequency translation for high frequency regeneration
US8228849B2 (en) * 2002-07-15 2012-07-24 Broadcom Corporation Communication gateway supporting WLAN communications in multiple communication protocols and in multiple frequency bands
US7502743B2 (en) * 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
DK1400954T3 (da) 2002-09-04 2008-03-31 Microsoft Corp Entropi-kodning ved tilpasning af kodning mellem niveau- og runlængde/niveau-moduser
US7724827B2 (en) * 2003-09-07 2010-05-25 Microsoft Corporation Multi-layer run level encoding and decoding
US7460990B2 (en) * 2004-01-23 2008-12-02 Microsoft Corporation Efficient coding of digital media spectral data using wide-sense perceptual similarity
BRPI0509100B1 (pt) * 2004-04-05 2018-11-06 Koninl Philips Electronics Nv Codificador de multicanal operável para processar sinais de entrada, método paracodificar sinais de entrada em um codificador de multicanal
CA2566366C (en) * 2004-05-19 2013-08-06 Matsushita Electric Industrial Co. Ltd. Audio signal encoder and audio signal decoder
WO2006003891A1 (ja) * 2004-07-02 2006-01-12 Matsushita Electric Industrial Co., Ltd. 音声信号復号化装置及び音声信号符号化装置
US8744862B2 (en) * 2006-08-18 2014-06-03 Digital Rise Technology Co., Ltd. Window selection based on transient detection and location to provide variable time resolution in processing frame-based data
EP1691348A1 (en) 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametric joint-coding of audio sources
US7788106B2 (en) * 2005-04-13 2010-08-31 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Entropy coding with compact codebooks
US20060235683A1 (en) * 2005-04-13 2006-10-19 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Lossless encoding of information with guaranteed maximum bitrate
US7991610B2 (en) * 2005-04-13 2011-08-02 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Adaptive grouping of parameters for enhanced coding efficiency
US7983922B2 (en) * 2005-04-15 2011-07-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing
MX2007014570A (es) * 2005-05-25 2008-02-11 Koninkl Philips Electronics Nv Codificacion predictiva de una senal de canales multiples.
JP4988717B2 (ja) 2005-05-26 2012-08-01 エルジー エレクトロニクス インコーポレイティド オーディオ信号のデコーディング方法及び装置
EP1905004A2 (en) * 2005-05-26 2008-04-02 LG Electronics Inc. Method of encoding and decoding an audio signal
WO2006126844A2 (en) * 2005-05-26 2006-11-30 Lg Electronics Inc. Method and apparatus for decoding an audio signal
CN101185123B (zh) * 2005-05-31 2011-07-13 松下电器产业株式会社 可扩展编码装置及可扩展编码方法
JP4954069B2 (ja) * 2005-06-17 2012-06-13 パナソニック株式会社 ポストフィルタ、復号化装置及びポストフィルタ処理方法
US8494667B2 (en) * 2005-06-30 2013-07-23 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
WO2007004831A1 (en) * 2005-06-30 2007-01-11 Lg Electronics Inc. Method and apparatus for encoding and decoding an audio signal
EP1913577B1 (en) * 2005-06-30 2021-05-05 Lg Electronics Inc. Apparatus for encoding an audio signal and method thereof
US7996216B2 (en) * 2005-07-11 2011-08-09 Lg Electronics Inc. Apparatus and method of encoding and decoding audio signal
DE602006007139D1 (de) * 2005-07-14 2009-07-16 Dolby Sweden Ab Audiokodierung und audiodekodierung
US8626503B2 (en) * 2005-07-14 2014-01-07 Erik Gosuinus Petrus Schuijers Audio encoding and decoding
US7693709B2 (en) 2005-07-15 2010-04-06 Microsoft Corporation Reordering coefficients for waveform coding or decoding
US7684981B2 (en) * 2005-07-15 2010-03-23 Microsoft Corporation Prediction of spectral coefficients in waveform coding and decoding
US7599840B2 (en) * 2005-07-15 2009-10-06 Microsoft Corporation Selectively using multiple entropy models in adaptive coding and decoding
JP5009910B2 (ja) * 2005-07-22 2012-08-29 フランス・テレコム レートスケーラブル及び帯域幅スケーラブルオーディオ復号化のレートの切り替えのための方法
US7565018B2 (en) 2005-08-12 2009-07-21 Microsoft Corporation Adaptive coding and decoding of wide-range coefficients
US8599925B2 (en) * 2005-08-12 2013-12-03 Microsoft Corporation Efficient coding and decoding of transform blocks
US7933337B2 (en) 2005-08-12 2011-04-26 Microsoft Corporation Prediction of transform coefficients for image compression
KR100880643B1 (ko) * 2005-08-30 2009-01-30 엘지전자 주식회사 오디오 신호의 디코딩 방법 및 장치
AU2006285538B2 (en) * 2005-08-30 2011-03-24 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
US7788107B2 (en) * 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
US8577483B2 (en) * 2005-08-30 2013-11-05 Lg Electronics, Inc. Method for decoding an audio signal
JP2009509193A (ja) * 2005-09-15 2009-03-05 デジタル レイヤーズ インコーポレイテッド メディア層を配信するための方法、システム、および装置
US7672379B2 (en) * 2005-10-05 2010-03-02 Lg Electronics Inc. Audio signal processing, encoding, and decoding
KR100878833B1 (ko) * 2005-10-05 2009-01-14 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
US8068569B2 (en) * 2005-10-05 2011-11-29 Lg Electronics, Inc. Method and apparatus for signal processing and encoding and decoding
US7646319B2 (en) * 2005-10-05 2010-01-12 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
US7751485B2 (en) * 2005-10-05 2010-07-06 Lg Electronics Inc. Signal processing using pilot based coding
KR101169281B1 (ko) * 2005-10-05 2012-08-02 엘지전자 주식회사 오디오 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩 방법 및 이의 장치
US7696907B2 (en) * 2005-10-05 2010-04-13 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
US7840401B2 (en) * 2005-10-24 2010-11-23 Lg Electronics Inc. Removing time delays in signal paths
KR101218776B1 (ko) * 2006-01-11 2013-01-18 삼성전자주식회사 다운믹스된 신호로부터 멀티채널 신호 생성방법 및 그 기록매체
WO2007083956A1 (en) * 2006-01-19 2007-07-26 Lg Electronics Inc. Method and apparatus for processing a media signal
US8190425B2 (en) * 2006-01-20 2012-05-29 Microsoft Corporation Complex cross-correlation parameters for multi-channel audio
US7953604B2 (en) * 2006-01-20 2011-05-31 Microsoft Corporation Shape and scale parameters for extended-band frequency coding
US7831434B2 (en) * 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding
KR100921453B1 (ko) * 2006-02-07 2009-10-13 엘지전자 주식회사 부호화/복호화 장치 및 방법
WO2007093726A2 (fr) * 2006-02-14 2007-08-23 France Telecom Dispositif de ponderation perceptuelle en codage/decodage audio
US8032672B2 (en) 2006-04-14 2011-10-04 Apple Inc. Increased speed of processing of audio samples received over a serial communications link by use of channel map and steering table
US9100765B2 (en) * 2006-05-05 2015-08-04 Creative Technology Ltd Audio enhancement module for portable media player
US8571875B2 (en) 2006-10-18 2013-10-29 Samsung Electronics Co., Ltd. Method, medium, and apparatus encoding and/or decoding multichannel audio signals
BRPI0710935A2 (pt) * 2006-11-24 2012-02-14 Lg Electronics Inc método para codificar e decodificação de sinal de áudio orientado a objeto e aparelhagem para o mesmo
US8184710B2 (en) * 2007-02-21 2012-05-22 Microsoft Corporation Adaptive truncation of transform coefficient data in a transform-based digital media codec
US8612237B2 (en) * 2007-04-04 2013-12-17 Apple Inc. Method and apparatus for determining audio spatial quality
WO2008142874A1 (ja) * 2007-05-21 2008-11-27 Panasonic Corporation 音声符号化及び再生装置
US7774205B2 (en) * 2007-06-15 2010-08-10 Microsoft Corporation Coding of sparse digital media spectral data
AU2008202703B2 (en) * 2007-06-20 2012-03-08 Mcomms Design Pty Ltd Apparatus and method for providing multimedia content
US8046214B2 (en) * 2007-06-22 2011-10-25 Microsoft Corporation Low complexity decoder for complex transform coding of multi-channel sound
US20090006081A1 (en) * 2007-06-27 2009-01-01 Samsung Electronics Co., Ltd. Method, medium and apparatus for encoding and/or decoding signal
US7885819B2 (en) 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
KR101464977B1 (ko) * 2007-10-01 2014-11-25 삼성전자주식회사 메모리 관리 방법, 및 멀티 채널 데이터의 복호화 방법 및장치
US8249883B2 (en) * 2007-10-26 2012-08-21 Microsoft Corporation Channel extension coding for multi-channel source
EP2214163A4 (en) * 2007-11-01 2011-10-05 Panasonic Corp ENCODING DEVICE, DECODING DEVICE, AND METHOD THEREOF
US8457958B2 (en) * 2007-11-09 2013-06-04 Microsoft Corporation Audio transcoder using encoder-generated side information to transcode to target bit-rate
EP2227804B1 (en) * 2007-12-09 2017-10-25 LG Electronics Inc. A method and an apparatus for processing a signal
US9064333B2 (en) * 2007-12-17 2015-06-23 Nvidia Corporation Interrupt handling techniques in the rasterizer of a GPU
US8780123B2 (en) 2007-12-17 2014-07-15 Nvidia Corporation Interrupt handling techniques in the rasterizer of a GPU
EP2248263B1 (en) * 2008-01-31 2012-12-26 Agency for Science, Technology And Research Method and device of bitrate distribution/truncation for scalable audio coding
US8681861B2 (en) * 2008-05-01 2014-03-25 Nvidia Corporation Multistandard hardware video encoder
US8923385B2 (en) 2008-05-01 2014-12-30 Nvidia Corporation Rewind-enabled hardware encoder
US8179974B2 (en) 2008-05-02 2012-05-15 Microsoft Corporation Multi-level representation of reordered transform coefficients
US8447591B2 (en) * 2008-05-30 2013-05-21 Microsoft Corporation Factorization of overlapping tranforms into two block transforms
ES2998032T3 (en) * 2008-07-11 2025-02-18 Fraunhofer Ges Forschung Audio encoder and audio decoder
US8406307B2 (en) 2008-08-22 2013-03-26 Microsoft Corporation Entropy coding/decoding of hierarchically organized data
US8189776B2 (en) * 2008-09-18 2012-05-29 The Hong Kong University Of Science And Technology Method and system for encoding multimedia content based on secure coding schemes using stream cipher
BRPI0823209B1 (pt) * 2008-10-06 2020-09-15 Telefonaktiebolaget Lm Ericsson (Publ) Métodos para codificar áudio e incluir o áudio codificado mencionado em uma corrente de transporte digital, e para decodificar uma corrente de transporte digital incluindo um áudio codificado, aparelhos de codificação, e de decodificação, e, sistema de transporte digital.
CN103177725B (zh) * 2008-10-06 2017-01-18 爱立信电话股份有限公司 用于输送对齐的多通道音频的方法和设备
CN102292769B (zh) * 2009-02-13 2012-12-19 华为技术有限公司 一种立体声编码方法和装置
WO2010105695A1 (en) * 2009-03-20 2010-09-23 Nokia Corporation Multi channel audio coding
US9245529B2 (en) * 2009-06-18 2016-01-26 Texas Instruments Incorporated Adaptive encoding of a digital signal with one or more missing values
US20120215788A1 (en) * 2009-11-18 2012-08-23 Nokia Corporation Data Processing
KR101629306B1 (ko) 2009-12-07 2016-06-10 돌비 레버러토리즈 라이쎈싱 코오포레이션 적응형 하이브리드 변환을 사용한 다채널 오디오 엔코딩된 비트 스트림들의 디코딩
WO2011069205A1 (en) * 2009-12-10 2011-06-16 Reality Ip Pty Ltd Improved matrix decoder for surround sound
US8942989B2 (en) * 2009-12-28 2015-01-27 Panasonic Intellectual Property Corporation Of America Speech coding of principal-component channels for deleting redundant inter-channel parameters
SG184230A1 (en) * 2010-03-26 2012-11-29 Agency Science Tech & Res Methods and devices for providing an encoded digital signal
KR101641685B1 (ko) 2010-03-29 2016-07-22 삼성전자주식회사 멀티채널 오디오의 다운믹스 방법 및 장치
US8855205B2 (en) * 2010-05-26 2014-10-07 Newratek Inc. Method of predicting motion vectors in video codec in which multiple references are allowed, and motion vector encoding/decoding apparatus using the same
CN102332266B (zh) * 2010-07-13 2013-04-24 炬力集成电路设计有限公司 一种音频数据的编码方法及装置
KR101666465B1 (ko) * 2010-07-22 2016-10-17 삼성전자주식회사 다채널 오디오 신호 부호화/복호화 장치 및 방법
US9008811B2 (en) 2010-09-17 2015-04-14 Xiph.org Foundation Methods and systems for adaptive time-frequency resolution in digital data coding
TWI462087B (zh) * 2010-11-12 2014-11-21 Dolby Lab Licensing Corp 複數音頻信號之降混方法、編解碼方法及混合系統
US9167252B2 (en) * 2010-12-01 2015-10-20 Texas Instruments Incorporated Quantization matrix compression in video coding
US8620166B2 (en) * 2011-01-07 2013-12-31 Raytheon Bbn Technologies Corp. Holevo capacity achieving joint detection receiver
US8842842B2 (en) * 2011-02-01 2014-09-23 Apple Inc. Detection of audio channel configuration
ES2715191T3 (es) 2011-02-14 2019-06-03 Fraunhofer Ges Forschung Codificación y decodificación de posiciones de impulso de pistas de una señal de audio
AU2012217158B2 (en) * 2011-02-14 2014-02-27 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Information signal representation using lapped transform
EP2676270B1 (en) 2011-02-14 2017-02-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Coding a portion of an audio signal using a transient detection and a quality result
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
ES2534972T3 (es) 2011-02-14 2015-04-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Predicción lineal basada en esquema de codificación utilizando conformación de ruido de dominio espectral
WO2012122297A1 (en) 2011-03-07 2012-09-13 Xiph. Org. Methods and systems for avoiding partial collapse in multi-block audio coding
WO2012122299A1 (en) 2011-03-07 2012-09-13 Xiph. Org. Bit allocation and partitioning in gain-shape vector quantization for audio coding
WO2012122303A1 (en) * 2011-03-07 2012-09-13 Xiph. Org Method and system for two-step spreading for tonal artifact avoidance in audio coding
WO2012137617A1 (ja) * 2011-04-05 2012-10-11 日本電信電話株式会社 符号化方法、復号方法、符号化装置、復号装置、プログラム、記録媒体
TW201243643A (en) * 2011-04-22 2012-11-01 Inst Information Industry Hierarchical encryption/decryption device and method thereof
US8693697B2 (en) * 2011-06-06 2014-04-08 Reality Ip Pty Ltd Matrix encoder with improved channel separation
US9009122B2 (en) * 2011-12-08 2015-04-14 International Business Machines Corporation Optimized resizing for RCU-protected hash tables
US8692696B2 (en) 2012-01-03 2014-04-08 International Business Machines Corporation Generating a code alphabet of symbols to generate codewords for words used with a program
US9043201B2 (en) * 2012-01-03 2015-05-26 Google Technology Holdings LLC Method and apparatus for processing audio frames to transition between different codecs
CN105519108B (zh) * 2012-01-09 2019-11-29 华为技术有限公司 量化矩阵编码的加权预测方法和装置
WO2013122386A1 (en) 2012-02-15 2013-08-22 Samsung Electronics Co., Ltd. Data transmitting apparatus, data receiving apparatus, data transreceiving system, data transmitting method, data receiving method and data transreceiving method
WO2013122385A1 (en) 2012-02-15 2013-08-22 Samsung Electronics Co., Ltd. Data transmitting apparatus, data receiving apparatus, data transreceiving system, data transmitting method, data receiving method and data transreceiving method
WO2013122387A1 (en) 2012-02-15 2013-08-22 Samsung Electronics Co., Ltd. Data transmitting apparatus, data receiving apparatus, data transceiving system, data transmitting method, and data receiving method
US9026451B1 (en) * 2012-05-09 2015-05-05 Google Inc. Pitch post-filter
BR112014004128A2 (pt) 2012-07-02 2017-03-21 Sony Corp dispositivo e método de decodificação, dispositivo e método de codificação, e, programa
TWI517142B (zh) 2012-07-02 2016-01-11 Sony Corp Audio decoding apparatus and method, audio coding apparatus and method, and program
BR112014004129A2 (pt) * 2012-07-02 2017-06-13 Sony Corp dispositivos e métodos de decodificação e de codificação, e, programa
US10083700B2 (en) 2012-07-02 2018-09-25 Sony Corporation Decoding device, decoding method, encoding device, encoding method, and program
WO2014013070A1 (en) 2012-07-19 2014-01-23 Thomson Licensing Method and device for improving the rendering of multi-channel audio signals
US9396732B2 (en) 2012-10-18 2016-07-19 Google Inc. Hierarchical deccorelation of multichannel audio
KR101757341B1 (ko) 2013-01-29 2017-07-14 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에.베. 저-복잡도 음조-적응 오디오 신호 양자화
JP6179122B2 (ja) * 2013-02-20 2017-08-16 富士通株式会社 オーディオ符号化装置、オーディオ符号化方法、オーディオ符号化プログラム
TWI546799B (zh) 2013-04-05 2016-08-21 杜比國際公司 音頻編碼器及解碼器
PL3005355T3 (pl) 2013-05-24 2017-11-30 Dolby International Ab Kodowanie scen audio
EP3014609B1 (en) * 2013-06-27 2017-09-27 Dolby Laboratories Licensing Corporation Bitstream syntax for spatial voice coding
WO2015000819A1 (en) * 2013-07-05 2015-01-08 Dolby International Ab Enhanced soundfield coding using parametric component generation
EP2830056A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding or decoding an audio signal with intelligent gap filling in the spectral domain
US10510355B2 (en) * 2013-09-12 2019-12-17 Dolby International Ab Time-alignment of QMF based processing data
TWI671734B (zh) 2013-09-12 2019-09-11 瑞典商杜比國際公司 在包含三個音訊聲道的多聲道音訊系統中之解碼方法、編碼方法、解碼裝置及編碼裝置、包含用於執行解碼方法及編碼方法的指令之非暫態電腦可讀取的媒體之電腦程式產品、包含解碼裝置及編碼裝置的音訊系統
CN105745703B (zh) * 2013-09-16 2019-12-10 三星电子株式会社 信号编码方法和装置以及信号解码方法和装置
WO2015037969A1 (ko) * 2013-09-16 2015-03-19 삼성전자 주식회사 신호 부호화방법 및 장치와 신호 복호화방법 및 장치
KR101805630B1 (ko) 2013-09-27 2017-12-07 삼성전자주식회사 멀티 디코딩 처리 방법 및 이를 수행하기 위한 멀티 디코더
ES2659019T3 (es) 2013-10-21 2018-03-13 Dolby International Ab Estructura de descorrelacionador para la reconstrucción paramétrica de señales de audio
WO2015173422A1 (de) * 2014-05-15 2015-11-19 Stormingswiss Sàrl Verfahren und vorrichtung zur residualfreien erzeugung eines upmix aus einem downmix
US9959876B2 (en) 2014-05-16 2018-05-01 Qualcomm Incorporated Closed loop quantization of higher order ambisonic coefficients
EP4372746B1 (en) * 2014-10-10 2025-06-25 Dolby Laboratories Licensing Corporation Transmission-agnostic presentation-based program loudness
WO2016142002A1 (en) 2015-03-09 2016-09-15 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal
EP3067885A1 (en) 2015-03-09 2016-09-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding or decoding a multi-channel signal
CN113035212B (zh) * 2015-05-20 2025-06-17 瑞典爱立信有限公司 多声道音频信号的编码
JP6797187B2 (ja) 2015-08-25 2020-12-09 ドルビー ラボラトリーズ ライセンシング コーポレイション オーディオ・デコーダおよびデコード方法
US12125492B2 (en) * 2015-09-25 2024-10-22 Voiceage Coproration Method and system for decoding left and right channels of a stereo sound signal
ES2768052T3 (es) 2016-01-22 2020-06-19 Fraunhofer Ges Forschung Aparatos y procedimientos para codificar o decodificar una señal de audio multicanal usando sincronización de control de trama
US10448053B2 (en) * 2016-02-15 2019-10-15 Qualcomm Incorporated Multi-pass non-separable transforms for video coding
US10349085B2 (en) 2016-02-15 2019-07-09 Qualcomm Incorporated Efficient parameter storage for compact multi-pass transforms
US10390048B2 (en) 2016-02-15 2019-08-20 Qualcomm Incorporated Efficient transform coding using optimized compact multi-pass transforms
CN106209773A (zh) * 2016-06-24 2016-12-07 深圳羚羊极速科技有限公司 一种音频分组采样传输再重组的方法
KR20190039562A (ko) * 2016-09-01 2019-04-12 엘지전자 주식회사 레이어드 기븐스 변환을 이용하여 변환을 수행하는 방법 및 장치
CN107895580B (zh) * 2016-09-30 2021-06-01 华为技术有限公司 一种音频信号的重建方法和装置
EP4531438A3 (en) * 2017-07-28 2025-04-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus for encoding or decoding an encoded multichannel signal using a filling signal generated by a broad band filter
US10891960B2 (en) * 2017-09-11 2021-01-12 Qualcomm Incorproated Temporal offset estimation
JP6778670B2 (ja) * 2017-09-15 2020-11-04 Kddi株式会社 情報処理装置、情報処理方法、及びプログラム
EP3483886A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Selecting pitch lag
EP3483878A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio decoder supporting a set of different loss concealment tools
WO2019091573A1 (en) * 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding and decoding an audio signal using downsampling or interpolation of scale parameters
EP3483883A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio coding and decoding with selective postfiltering
EP3483882A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Controlling bandwidth in encoders and/or decoders
EP3483879A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Analysis/synthesis windowing function for modulated lapped transformation
EP3483884A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signal filtering
EP3483880A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Temporal noise shaping
WO2019091576A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits
EP3719799A1 (en) * 2019-04-04 2020-10-07 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. A multi-channel audio encoder, decoder, methods and computer program for switching between a parametric multi-channel operation and an individual channel operation
CN110559012B (zh) * 2019-10-21 2022-09-09 江苏鹿得医疗电子股份有限公司 电子听诊器及其控制方法及医疗设备的控制方法
AU2021287963A1 (en) * 2020-06-11 2023-02-02 Dolby Laboratories Licensing Corporation Quantization and entropy coding of parameters for a low latency audio codec
WO2022124620A1 (en) * 2020-12-08 2022-06-16 Samsung Electronics Co., Ltd. Method and system to render n-channel audio on m number of output speakers based on preserving audio-intensities of n-channel audio in real-time
KR20220125026A (ko) * 2021-03-04 2022-09-14 삼성전자주식회사 오디오 처리 방법 및 이를 포함하는 전자 장치
CN115691514A (zh) * 2021-07-29 2023-02-03 华为技术有限公司 一种多声道信号的编解码方法和装置
US12456466B2 (en) * 2023-01-26 2025-10-28 Meta Platforms Technologies, Llc Personalized and curated transcription of auditory experiences to improve user engagement

Family Cites Families (168)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US614996A (en) * 1898-11-29 sloan
US1769401A (en) 1928-04-23 1930-07-01 William W Tancre Fruit clipper
US3255052A (en) * 1963-12-09 1966-06-07 Magnetics Inc Flake magnetic core and method of making same
US4251688A (en) 1979-01-15 1981-02-17 Ana Maria Furner Audio-digital processing system for demultiplexing stereophonic/quadriphonic input audio signals into 4-to-72 output audio signals
DE3171990D1 (en) * 1981-04-30 1985-10-03 Ibm Speech coding methods and apparatus for carrying out the method
JPS5921039B2 (ja) 1981-11-04 1984-05-17 日本電信電話株式会社 適応予測符号化方式
CA1253255A (en) 1983-05-16 1989-04-25 Nec Corporation System for simultaneously coding and decoding a plurality of signals
GB8421498D0 (en) 1984-08-24 1984-09-26 British Telecomm Frequency domain speech coding
GB2205465B (en) * 1987-05-13 1991-09-04 Ricoh Kk Image transmission system
US4922537A (en) 1987-06-02 1990-05-01 Frederiksen & Shu Laboratories, Inc. Method and apparatus employing audio frequency offset extraction and floating-point conversion for digitally encoding and decoding high-fidelity audio signals
US4907276A (en) * 1988-04-05 1990-03-06 The Dsp Group (Israel) Ltd. Fast search method for vector quantizer communication and pattern recognition systems
NL8901032A (nl) 1988-11-10 1990-06-01 Philips Nv Coder om extra informatie op te nemen in een digitaal audiosignaal met een tevoren bepaald formaat, een decoder om deze extra informatie uit dit digitale signaal af te leiden, een inrichting voor het opnemen van een digitaal signaal op een registratiedrager, voorzien van de coder, en een registratiedrager verkregen met deze inrichting.
SG82549A1 (en) 1989-01-27 2001-08-21 Dolby Lab Licensing Corp Coded signal formatting for encoder and decoder of high-quality audio
US5752225A (en) 1989-01-27 1998-05-12 Dolby Laboratories Licensing Corporation Method and apparatus for split-band encoding and split-band decoding of audio information using adaptive bit allocation to adjacent subbands
US5222189A (en) 1989-01-27 1993-06-22 Dolby Laboratories Licensing Corporation Low time-delay transform coder, decoder, and encoder/decoder for high-quality audio
US5142656A (en) 1989-01-27 1992-08-25 Dolby Laboratories Licensing Corporation Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio
US5479562A (en) 1989-01-27 1995-12-26 Dolby Laboratories Licensing Corporation Method and apparatus for encoding and decoding audio information
EP0386418B1 (de) 1989-03-06 1994-12-21 Robert Bosch Gmbh Verfahren zur Datenreduktion bei digitalen Tonsignalen und zur genäherten Rückgewinnung der digitalen Tonsignale
EP0422232B1 (en) 1989-04-25 1996-11-13 Kabushiki Kaisha Toshiba Voice encoder
US5539829A (en) 1989-06-02 1996-07-23 U.S. Philips Corporation Subband coded digital transmission system using some composite signals
JP2844695B2 (ja) * 1989-07-19 1999-01-06 ソニー株式会社 信号符号化装置
US5115240A (en) 1989-09-26 1992-05-19 Sony Corporation Method and apparatus for encoding voice signals divided into a plurality of frequency bands
JP2921879B2 (ja) 1989-09-29 1999-07-19 株式会社東芝 画像データ処理装置
US5185800A (en) 1989-10-13 1993-02-09 Centre National D'etudes Des Telecommunications Bit allocation device for transformed digital audio broadcasting signals with adaptive quantization based on psychoauditive criterion
JP2560873B2 (ja) 1990-02-28 1996-12-04 日本ビクター株式会社 直交変換符号化復号化方法
JP2861238B2 (ja) 1990-04-20 1999-02-24 ソニー株式会社 ディジタル信号符号化方法
US5388181A (en) 1990-05-29 1995-02-07 Anderson; David J. Digital audio compression system
JP3033156B2 (ja) 1990-08-24 2000-04-17 ソニー株式会社 ディジタル信号符号化装置
US5274740A (en) 1991-01-08 1993-12-28 Dolby Laboratories Licensing Corporation Decoder for variable number of channel presentation of multidimensional sound fields
US5559900A (en) 1991-03-12 1996-09-24 Lucent Technologies Inc. Compression of signals for perceptual quality by selecting frequency bands having relatively high energy
US5487086A (en) * 1991-09-13 1996-01-23 Comsat Corporation Transform vector quantization for adaptive predictive coding
JP3141450B2 (ja) 1991-09-30 2001-03-05 ソニー株式会社 オーディオ信号処理方法
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
US5285498A (en) 1992-03-02 1994-02-08 At&T Bell Laboratories Method and apparatus for coding audio signals based on perceptual model
EP0559348A3 (en) 1992-03-02 1993-11-03 AT&T Corp. Rate control loop processor for perceptual encoder/decoder
JP2693893B2 (ja) * 1992-03-30 1997-12-24 松下電器産業株式会社 ステレオ音声符号化方法
JP3343965B2 (ja) 1992-10-31 2002-11-11 ソニー株式会社 音声符号化方法及び復号化方法
JP3343962B2 (ja) 1992-11-11 2002-11-11 ソニー株式会社 高能率符号化方法及び装置
US5455888A (en) 1992-12-04 1995-10-03 Northern Telecom Limited Speech bandwidth extension method and apparatus
DE69428939T2 (de) 1993-06-22 2002-04-04 Deutsche Thomson-Brandt Gmbh Verfahren zur Erhaltung einer Mehrkanaldekodiermatrix
US5623577A (en) * 1993-07-16 1997-04-22 Dolby Laboratories Licensing Corporation Computationally efficient adaptive bit allocation for encoding method and apparatus with allowance for decoder spectral distortions
US5632003A (en) 1993-07-16 1997-05-20 Dolby Laboratories Licensing Corporation Computationally efficient adaptive bit allocation for coding method and apparatus
TW272341B (enExample) 1993-07-16 1996-03-11 Sony Co Ltd
US7158654B2 (en) 1993-11-18 2007-01-02 Digimarc Corporation Image processor and image processing method
US5684920A (en) 1994-03-17 1997-11-04 Nippon Telegraph And Telephone Acoustic signal transform coding method and decoding method having a high efficiency envelope flattening method therein
DE4409368A1 (de) 1994-03-18 1995-09-21 Fraunhofer Ges Forschung Verfahren zum Codieren mehrerer Audiosignale
JP3277677B2 (ja) 1994-04-01 2002-04-22 ソニー株式会社 信号符号化方法及び装置、信号記録媒体、信号伝送方法、並びに信号復号化方法及び装置
US5635930A (en) * 1994-10-03 1997-06-03 Sony Corporation Information encoding method and apparatus, information decoding method and apparatus and recording medium
CN1095253C (zh) 1994-11-04 2002-11-27 皇家菲利浦电子有限公司 宽带数字信息信号的编码和解码设备和方法
US5774846A (en) 1994-12-19 1998-06-30 Matsushita Electric Industrial Co., Ltd. Speech coding apparatus, linear prediction coefficient analyzing apparatus and noise reducing apparatus
US5629780A (en) 1994-12-19 1997-05-13 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Image data compression having minimum perceptual error
US5701389A (en) * 1995-01-31 1997-12-23 Lucent Technologies, Inc. Window switching based on interblock and intrablock frequency band energy
JP3307138B2 (ja) * 1995-02-27 2002-07-24 ソニー株式会社 信号符号化方法及び装置、並びに信号復号化方法及び装置
EP0820624A1 (en) 1995-04-10 1998-01-28 Corporate Computer Systems, Inc. System for compression and decompression of audio signals for digital transmission
US6940840B2 (en) 1995-06-30 2005-09-06 Interdigital Technology Corporation Apparatus for adaptive reverse power control for spread-spectrum communications
US5774837A (en) 1995-09-13 1998-06-30 Voxware, Inc. Speech coding system and method using voicing probability determination
US5790759A (en) * 1995-09-19 1998-08-04 Lucent Technologies Inc. Perceptual noise masking measure based on synthesis filter frequency response
US5960390A (en) * 1995-10-05 1999-09-28 Sony Corporation Coding method for using multi channel audio signals
DE19549621B4 (de) 1995-10-06 2004-07-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zum Codieren von Audiosignalen
US5819215A (en) 1995-10-13 1998-10-06 Dobson; Kurt Method and apparatus for wavelet based data compression having adaptive bit rate control for compression of digital audio or other sensory data
US6807534B1 (en) * 1995-10-13 2004-10-19 Trustees Of Dartmouth College System and method for managing copyrighted electronic media
JPH09152896A (ja) 1995-11-30 1997-06-10 Oki Electric Ind Co Ltd 声道予測係数符号化・復号化回路、声道予測係数符号化回路、声道予測係数復号化回路、音声符号化装置及び音声復号化装置
US5956674A (en) 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
US5686964A (en) 1995-12-04 1997-11-11 Tabatabai; Ali Bit rate control mechanism for digital image and video data compression
US5687191A (en) * 1995-12-06 1997-11-11 Solana Technology Development Corporation Post-compression hidden data transport
FR2742568B1 (fr) 1995-12-15 1998-02-13 Catherine Quinquis Procede d'analyse par prediction lineaire d'un signal audiofrequence, et procedes de codage et de decodage d'un signal audiofrequence en comportant application
US5682152A (en) 1996-03-19 1997-10-28 Johnson-Grace Company Data compression using adaptive bit allocation and hybrid lossless entropy encoding
US5812971A (en) 1996-03-22 1998-09-22 Lucent Technologies Inc. Enhanced joint stereo coding method using temporal envelope shaping
US5822370A (en) * 1996-04-16 1998-10-13 Aura Systems, Inc. Compression/decompression for preservation of high fidelity speech quality at low bandwidth
DE19628293C1 (de) 1996-07-12 1997-12-11 Fraunhofer Ges Forschung Codieren und Decodieren von Audiosignalen unter Verwendung von Intensity-Stereo und Prädiktion
DE19628292B4 (de) 1996-07-12 2007-08-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zum Codieren und Decodieren von Stereoaudiospektralwerten
US6697491B1 (en) 1996-07-19 2004-02-24 Harman International Industries, Incorporated 5-2-5 matrix encoder and decoder system
US5969750A (en) 1996-09-04 1999-10-19 Winbcnd Electronics Corporation Moving picture camera with universal serial bus interface
GB2318029B (en) 1996-10-01 2000-11-08 Nokia Mobile Phones Ltd Audio coding method and apparatus
US5745275A (en) 1996-10-15 1998-04-28 Lucent Technologies Inc. Multi-channel stabilization of a multi-channel transmitter through correlation feedback
SG54379A1 (en) * 1996-10-24 1998-11-16 Sgs Thomson Microelectronics A Audio decoder with an adaptive frequency domain downmixer
SG54383A1 (en) * 1996-10-31 1998-11-16 Sgs Thomson Microelectronics A Method and apparatus for decoding multi-channel audio data
KR100488537B1 (ko) * 1996-11-20 2005-09-30 삼성전자주식회사 듀얼모드오디오디코더의재현방법및필터
JP3339335B2 (ja) 1996-12-12 2002-10-28 ヤマハ株式会社 圧縮符号化復号方式
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
FI970266L (fi) 1997-01-22 1998-07-23 Nokia Telecommunications Oy Menetelmä solukkoradiojärjestelmän ohjauskanavien kantaman pidentämiseksi ja solukkoradiojärjestelmä
KR100303054B1 (ko) 1997-02-08 2001-09-24 모리시타 요이찌 정지영상과동영상부호화를위한양자화매트릭스
JP3143406B2 (ja) 1997-02-19 2001-03-07 三洋電機株式会社 音声符号化方法
FI114248B (fi) 1997-03-14 2004-09-15 Nokia Corp Menetelmä ja laite audiokoodaukseen ja audiodekoodaukseen
KR100265112B1 (ko) 1997-03-31 2000-10-02 윤종용 디브이디 디스크와 디브이디 디스크를 재생하는 장치 및 방법
US6064954A (en) 1997-04-03 2000-05-16 International Business Machines Corp. Digital audio signal coding
EP0924962B1 (en) 1997-04-10 2012-12-12 Sony Corporation Encoding method and device, decoding method and device, and recording medium
SE512719C2 (sv) 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
DE19730129C2 (de) 1997-07-14 2002-03-07 Fraunhofer Ges Forschung Verfahren zum Signalisieren einer Rauschsubstitution beim Codieren eines Audiosignals
DE19730130C2 (de) 1997-07-14 2002-02-28 Fraunhofer Ges Forschung Verfahren zum Codieren eines Audiosignals
US5890125A (en) * 1997-07-16 1999-03-30 Dolby Laboratories Licensing Corporation Method and apparatus for encoding and decoding multiple audio channels at low bit rates using adaptive selection of encoding method
US6016111A (en) 1997-07-31 2000-01-18 Samsung Electronics Co., Ltd. Digital data coding/decoding method and apparatus
US6185253B1 (en) 1997-10-31 2001-02-06 Lucent Technology, Inc. Perceptual compression and robust bit-rate control system
US6959220B1 (en) 1997-11-07 2005-10-25 Microsoft Corporation Digital audio signal filtering mechanism and method
EP1057292B1 (en) 1998-02-21 2004-04-28 STMicroelectronics Asia Pacific Pte Ltd. A fast frequency transformation techique for transform audio coders
US6253185B1 (en) 1998-02-25 2001-06-26 Lucent Technologies Inc. Multiple description transform coding of audio using optimal transforms of arbitrary dimension
US6249614B1 (en) 1998-03-06 2001-06-19 Alaris, Inc. Video compression and decompression using dynamic quantization and/or encoding
US6353807B1 (en) * 1998-05-15 2002-03-05 Sony Corporation Information coding method and apparatus, code transform method and apparatus, code transform control method and apparatus, information recording method and apparatus, and program providing medium
JP3437445B2 (ja) 1998-05-22 2003-08-18 松下電器産業株式会社 線形信号予測を用いた受信装置及び方法
US6115689A (en) 1998-05-27 2000-09-05 Microsoft Corporation Scalable audio coder and decoder
US6029126A (en) 1998-06-30 2000-02-22 Microsoft Corporation Scalable audio coder and decoder
JP3998330B2 (ja) 1998-06-08 2007-10-24 沖電気工業株式会社 符号化装置
JP3541680B2 (ja) 1998-06-15 2004-07-14 日本電気株式会社 音声音楽信号の符号化装置および復号装置
EP1095488B8 (en) * 1998-07-03 2005-02-02 Dolby Laboratories Licensing Corporation Transcoders for fixed and variable rate data streams
DE19840835C2 (de) 1998-09-07 2003-01-09 Fraunhofer Ges Forschung Vorrichtung und Verfahren zum Entropiecodieren von Informationswörtern und Vorrichtung und Verfahren zum Decodieren von Entropie-codierten Informationswörtern
SE519552C2 (sv) 1998-09-30 2003-03-11 Ericsson Telefon Ab L M Flerkanalig signalkodning och -avkodning
CA2252170A1 (en) 1998-10-27 2000-04-27 Bruno Bessette A method and device for high quality coding of wideband speech and audio signals
JP2000155344A (ja) * 1998-11-20 2000-06-06 Murakami Corp エレクトロクロミック素子
SE9903553D0 (sv) * 1999-01-27 1999-10-01 Lars Liljeryd Enhancing percepptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL)
WO2000060746A2 (en) 1999-04-07 2000-10-12 Dolby Laboratories Licensing Corporation Matrixing for losseless encoding and decoding of multichannels audio signals
US6370502B1 (en) 1999-05-27 2002-04-09 America Online, Inc. Method and system for reduction of quantization-induced block-discontinuities and general purpose audio codec
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
US6658162B1 (en) 1999-06-26 2003-12-02 Sharp Laboratories Of America Image coding method using visual optimization
JP4005359B2 (ja) 1999-09-14 2007-11-07 富士通株式会社 音声符号化及び音声復号化装置
US6418405B1 (en) 1999-09-30 2002-07-09 Motorola, Inc. Method and apparatus for dynamic segmentation of a low bit rate digital voice message
US6496798B1 (en) 1999-09-30 2002-12-17 Motorola, Inc. Method and apparatus for encoding and decoding frames of voice model parameters into a low bit rate digital voice message
US6836761B1 (en) 1999-10-21 2004-12-28 Yamaha Corporation Voice converter for assimilation by frame synthesis with temporal alignment
WO2001033726A1 (en) 1999-10-30 2001-05-10 Stmicroelectronics Asia Pacific Pte Ltd. Channel coupling for an ac-3 encoder
US6738074B2 (en) 1999-12-29 2004-05-18 Texas Instruments Incorporated Image compression system and method
US6499010B1 (en) 2000-01-04 2002-12-24 Agere Systems Inc. Perceptual audio coder bit allocation scheme providing improved perceptual quality consistency
US6704711B2 (en) 2000-01-28 2004-03-09 Telefonaktiebolaget Lm Ericsson (Publ) System and method for modifying speech signals
US6434190B1 (en) 2000-02-10 2002-08-13 Texas Instruments Incorporated Generalized precoder for the upstream voiceband modem channel
JP2001285073A (ja) * 2000-03-29 2001-10-12 Sony Corp 信号処理装置及び方法
US6757654B1 (en) 2000-05-11 2004-06-29 Telefonaktiebolaget Lm Ericsson Forward error correction in speech coding
EP1175030B1 (en) * 2000-07-07 2008-02-20 Nokia Siemens Networks Oy Method and system for multichannel perceptual audio coding using the cascaded discrete cosine transform or modified discrete cosine transform
DE10041512B4 (de) 2000-08-24 2005-05-04 Infineon Technologies Ag Verfahren und Vorrichtung zur künstlichen Erweiterung der Bandbreite von Sprachsignalen
US6760698B2 (en) * 2000-09-15 2004-07-06 Mindspeed Technologies Inc. System for coding speech information using an adaptive codebook with enhanced variable resolution scheme
SE0004187D0 (sv) 2000-11-15 2000-11-15 Coding Technologies Sweden Ab Enhancing the performance of coding systems that use high frequency reconstruction methods
JP4857468B2 (ja) 2001-01-25 2012-01-18 ソニー株式会社 データ処理装置およびデータ処理方法、並びにプログラムおよび記録媒体
US7062445B2 (en) 2001-01-26 2006-06-13 Microsoft Corporation Quantization loop with heuristic approach
US20040062401A1 (en) * 2002-02-07 2004-04-01 Davis Mark Franklin Audio channel translation
US7254239B2 (en) * 2001-02-09 2007-08-07 Thx Ltd. Sound system and method of sound reproduction
MXPA03009357A (es) * 2001-04-13 2004-02-18 Dolby Lab Licensing Corp Escalamiento en el tiempo y escalamiento en el tono de alta calidad de senales de audio.
SE522553C2 (sv) 2001-04-23 2004-02-17 Ericsson Telefon Ab L M Bandbreddsutsträckning av akustiska signaler
US7136418B2 (en) 2001-05-03 2006-11-14 University Of Washington Scalable and perceptually ranked signal coding and decoding
US7583805B2 (en) 2004-02-12 2009-09-01 Agere Systems Inc. Late reverberation-based synthesis of auditory scenes
AU2002240461B2 (en) * 2001-05-25 2007-05-17 Dolby Laboratories Licensing Corporation Comparing audio using characterizations based on auditory events
MXPA03010751A (es) * 2001-05-25 2005-03-07 Dolby Lab Licensing Corp Segmentacion de senales de audio en eventos auditivos.
US7240001B2 (en) 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
US6934677B2 (en) 2001-12-14 2005-08-23 Microsoft Corporation Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands
US7146313B2 (en) 2001-12-14 2006-12-05 Microsoft Corporation Techniques for measurement of perceptual audio quality
US7027982B2 (en) 2001-12-14 2006-04-11 Microsoft Corporation Quality and rate control strategy for digital audio
US7460993B2 (en) 2001-12-14 2008-12-02 Microsoft Corporation Adaptive window-size selection in transform coding
US20030215013A1 (en) * 2002-04-10 2003-11-20 Budnikov Dmitry N. Audio encoder with adaptive short window grouping
US7072726B2 (en) 2002-06-19 2006-07-04 Microsoft Corporation Converting M channels of digital audio data into N channels of digital audio data
WO2004013841A1 (en) 2002-08-01 2004-02-12 Matsushita Electric Industrial Co., Ltd. Audio decoding apparatus and audio decoding method based on spectral band repliction
US7502743B2 (en) * 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
US7299190B2 (en) 2002-09-04 2007-11-20 Microsoft Corporation Quantization and inverse quantization for audio
WO2004027368A1 (en) 2002-09-19 2004-04-01 Matsushita Electric Industrial Co., Ltd. Audio decoding apparatus and method
KR20040060718A (ko) * 2002-12-28 2004-07-06 삼성전자주식회사 오디오 스트림 믹싱 방법, 그 장치 및 그 정보저장매체
KR101169596B1 (ko) 2003-04-17 2012-07-30 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 신호 합성
US7263483B2 (en) 2003-04-28 2007-08-28 Dictaphone Corporation USB dictation device
AU2003222397A1 (en) 2003-04-30 2004-11-23 Nokia Corporation Support of a multichannel audio extension
US7318035B2 (en) * 2003-05-08 2008-01-08 Dolby Laboratories Licensing Corporation Audio coding systems and methods using spectral component coupling and spectral component regeneration
ATE354160T1 (de) 2003-10-30 2007-03-15 Koninkl Philips Electronics Nv Audiosignalcodierung oder -decodierung
US7394903B2 (en) 2004-01-20 2008-07-01 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal
CA2992125C (en) 2004-03-01 2018-09-25 Dolby Laboratories Licensing Corporation Reconstructing audio signals with multiple decorrelation techniques and differentially coded parameters
MXPA06011361A (es) 2004-04-05 2007-01-16 Koninkl Philips Electronics Nv Codificador de canales multiples.
FI119533B (fi) 2004-04-15 2008-12-15 Nokia Corp Audiosignaalien koodaus
EP1749296B1 (en) 2004-05-28 2010-07-14 Nokia Corporation Multichannel audio extension
KR100773539B1 (ko) 2004-07-14 2007-11-05 삼성전자주식회사 멀티채널 오디오 데이터 부호화/복호화 방법 및 장치
US7233174B2 (en) * 2004-07-19 2007-06-19 Texas Instruments Incorporated Dual polarity, high input voltage swing comparator using MOS input transistors
EP1638083B1 (en) 2004-09-17 2009-04-22 Harman Becker Automotive Systems GmbH Bandwidth extension of bandlimited audio signals
US20060259303A1 (en) 2005-05-12 2006-11-16 Raimo Bakis Systems and methods for pitch smoothing for text-to-speech synthesis
EP2477189A1 (en) 2005-10-12 2012-07-18 Samsung Electronics Co., Ltd. Method and apparatus for processing/transmitting bit-stream, and method and apparatus for receiving/processing bit-stream
US20070168197A1 (en) 2006-01-18 2007-07-19 Nokia Corporation Audio coding
US7831434B2 (en) 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding
US8190425B2 (en) 2006-01-20 2012-05-29 Microsoft Corporation Complex cross-correlation parameters for multi-channel audio

Similar Documents

Publication Publication Date Title
JP2004264810A5 (enExample)
KR101251813B1 (ko) 넓은-뜻의 지각적 유사성을 이용하는 디지털 미디어 스펙트럼 데이터의 효과적인 코딩
CA2524243C (en) Speech coding apparatus including enhancement layer performing long term prediction
EP2028648B1 (en) Multi-channel audio encoding and decoding
KR101143225B1 (ko) 오디오 인코더 및 오디오 디코더에서의 컴퓨터 구현 방법및 컴퓨터 판독 가능 매체
KR102296067B1 (ko) 압축된 hoa 표현을 디코딩하기 위한 방법 및 장치와 압축된 hoa 표현을 인코딩하기 위한 방법 및 장치
EP1400955A2 (en) Quantization and inverse quantization for audio signals
RU2323469C2 (ru) Устройство и способ для обработки, по меньшей мере, двух входных значений
RU2604994C2 (ru) Оптимизированное по задержке преобразование наложения, взвешивающие окна кодирования/декодирования
KR20090117883A (ko) 부호화 장치, 복호 장치 및 그 방법
KR102387159B1 (ko) 오디오 코딩/디코딩 모드를 결정하는 방법 및 관련 제품
JP2004531151A (ja) 時間離散オーディオサンプル値を処理する方法と装置
JPWO2007114290A1 (ja) ベクトル量子化装置、ベクトル逆量子化装置、ベクトル量子化方法及びベクトル逆量子化方法
KR20170028886A (ko) 압축된 hoa 표현을 디코딩하기 위한 방법 및 장치와 압축된 hoa 표현을 인코딩하기 위한 방법 및 장치
JP2878796B2 (ja) 音声符号化器
JP2002091497A (ja) オーディオ信号符号化方法、復号化方法及びそれらの方法を実行するプログラム記憶媒体
RU2773636C2 (ru) Способ кодирования стереопараметров временной области и соответствующий продукт
JP2000132195A (ja) 信号符号化装置及び方法
HK1176455B (en) Complex-transform channel coding with extended-band frequency coding