HK1176455A1 - 使用擴展帶頻率編碼的複變換信道編碼 - Google Patents

使用擴展帶頻率編碼的複變換信道編碼

Info

Publication number
HK1176455A1
HK1176455A1 HK13103638.7A HK13103638A HK1176455A1 HK 1176455 A1 HK1176455 A1 HK 1176455A1 HK 13103638 A HK13103638 A HK 13103638A HK 1176455 A1 HK1176455 A1 HK 1176455A1
Authority
HK
Hong Kong
Prior art keywords
coding
complex
extended
band frequency
transform channel
Prior art date
Application number
HK13103638.7A
Other languages
English (en)
Inventor
.梅若特拉
.陳
Original Assignee
微軟技術許可有限責任公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 微軟技術許可有限責任公司 filed Critical 微軟技術許可有限責任公司
Publication of HK1176455A1 publication Critical patent/HK1176455A1/zh

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
HK13103638.7A 2006-01-20 2013-03-22 使用擴展帶頻率編碼的複變換信道編碼 HK1176455A1 (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/336,606 US7831434B2 (en) 2006-01-20 2006-01-20 Complex-transform channel coding with extended-band frequency coding

Publications (1)

Publication Number Publication Date
HK1176455A1 true HK1176455A1 (zh) 2013-07-26

Family

ID=38286603

Family Applications (1)

Application Number Title Priority Date Filing Date
HK13103638.7A HK1176455A1 (zh) 2006-01-20 2013-03-22 使用擴展帶頻率編碼的複變換信道編碼

Country Status (10)

Country Link
US (2) US7831434B2 (zh)
EP (1) EP1974470A4 (zh)
JP (1) JP2009524108A (zh)
KR (1) KR101143225B1 (zh)
CN (2) CN101371447B (zh)
AU (2) AU2007208482B2 (zh)
CA (1) CA2637185C (zh)
HK (1) HK1176455A1 (zh)
RU (2) RU2555221C2 (zh)
WO (1) WO2007087117A1 (zh)

Families Citing this family (82)

* 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
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
US20030187663A1 (en) 2002-03-28 2003-10-02 Truman Michael Mead Broadband frequency translation for high frequency regeneration
US7502743B2 (en) 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
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
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
US8599925B2 (en) * 2005-08-12 2013-12-03 Microsoft Corporation Efficient coding and decoding of transform blocks
US7831434B2 (en) * 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding
US7953604B2 (en) * 2006-01-20 2011-05-31 Microsoft Corporation Shape and scale parameters for extended-band frequency coding
US8190425B2 (en) * 2006-01-20 2012-05-29 Microsoft Corporation Complex cross-correlation parameters for multi-channel audio
EP2005420B1 (fr) * 2006-03-15 2011-10-26 France Telecom Dispositif et procede de codage par analyse en composante principale d'un signal audio multi-canal
US7774205B2 (en) * 2007-06-15 2010-08-10 Microsoft Corporation Coding of sparse digital media spectral data
US8046214B2 (en) * 2007-06-22 2011-10-25 Microsoft Corporation Low complexity decoder for complex transform coding of multi-channel sound
US7885819B2 (en) 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
US8249883B2 (en) * 2007-10-26 2012-08-21 Microsoft Corporation Channel extension coding for multi-channel source
CA2704807A1 (en) * 2007-11-06 2009-05-14 Nokia Corporation Audio coding apparatus and method thereof
CN101896967A (zh) * 2007-11-06 2010-11-24 诺基亚公司 编码器
US20100250260A1 (en) * 2007-11-06 2010-09-30 Lasse Laaksonen Encoder
CA2708861C (en) * 2007-12-18 2016-06-21 Lg Electronics Inc. A method and an apparatus for processing an audio signal
KR101449434B1 (ko) * 2008-03-04 2014-10-13 삼성전자주식회사 복수의 가변장 부호 테이블을 이용한 멀티 채널 오디오를부호화/복호화하는 방법 및 장치
US8473288B2 (en) 2008-06-19 2013-06-25 Panasonic Corporation Quantizer, encoder, and the methods thereof
FR2938688A1 (fr) * 2008-11-18 2010-05-21 France Telecom Codage avec mise en forme du bruit dans un codeur hierarchique
US8117039B2 (en) * 2008-12-15 2012-02-14 Ericsson Television, Inc. Multi-staging recursive audio frame-based resampling and time mapping
JP5423684B2 (ja) * 2008-12-19 2014-02-19 富士通株式会社 音声帯域拡張装置及び音声帯域拡張方法
US8700410B2 (en) * 2009-06-18 2014-04-15 Texas Instruments Incorporated Method and system for lossless value-location encoding
JP2011065093A (ja) * 2009-09-18 2011-03-31 Toshiba Corp オーディオ信号補正装置及びオーディオ信号補正方法
PL2491553T3 (pl) 2009-10-20 2017-05-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Koder audio, dekoder audio, sposób kodowania informacji audio, sposób dekodowania informacji audio i program komputerowy wykorzystujący iteracyjne zmniejszania rozmiaru przedziału
JP4709928B1 (ja) * 2010-01-21 2011-06-29 株式会社東芝 音質補正装置及び音質補正方法
CA3097372C (en) * 2010-04-09 2021-11-30 Dolby International Ab Mdct-based complex prediction stereo coding
MX340386B (es) * 2011-06-30 2016-07-07 Samsung Electronics Co Ltd Aparato y metodo para generar señal extendida de ancho de banda.
JP5975243B2 (ja) * 2011-08-24 2016-08-23 ソニー株式会社 符号化装置および方法、並びにプログラム
EP3675497B1 (en) * 2011-10-17 2021-12-29 Kabushiki Kaisha Toshiba Encoding method and decoding method
KR101276049B1 (ko) * 2012-01-25 2013-06-20 세종대학교산학협력단 조건부 스플릿 벡터 양자화를 이용한 음성 압축 장치 및 그 방법
EP2815532B1 (en) * 2012-02-13 2019-08-07 Intel Corporation Audio receiver and sample rate converter without pll or clock recovery
EP2831874B1 (en) * 2012-03-29 2017-05-03 Telefonaktiebolaget LM Ericsson (publ) Transform encoding/decoding of harmonic audio signals
CA2847304C (en) 2012-06-27 2017-08-22 Kabushiki Kaisha Toshiba Encoding device, decoding device, encoding method, and decoding method
EP3748632A1 (en) * 2012-07-09 2020-12-09 Koninklijke Philips N.V. Encoding and decoding of audio signals
US9684974B2 (en) 2012-08-21 2017-06-20 EMC IP Holding Company LLC Lossless compression of fragmented image data
EP4220636A1 (en) * 2012-11-05 2023-08-02 Panasonic Intellectual Property Corporation of America Speech audio encoding device and speech audio encoding method
US10043535B2 (en) 2013-01-15 2018-08-07 Staton Techiya, Llc Method and device for spectral expansion for an audio signal
EP3528249A1 (en) 2013-04-05 2019-08-21 Dolby International AB Stereo audio encoder and decoder
TWI546799B (zh) * 2013-04-05 2016-08-21 杜比國際公司 音頻編碼器及解碼器
US8804971B1 (en) 2013-04-30 2014-08-12 Dolby International Ab Hybrid encoding of higher frequency and downmixed low frequency content of multichannel audio
US9425757B2 (en) * 2013-05-15 2016-08-23 Infineon Technologies Ag Apparatus and method for controlling an amplification gain of an amplifier, and a digitizer circuit and microphone assembly
EP2824661A1 (en) 2013-07-11 2015-01-14 Thomson Licensing Method and Apparatus for generating from a coefficient domain representation of HOA signals a mixed spatial/coefficient domain representation of said HOA signals
FR3008533A1 (fr) * 2013-07-12 2015-01-16 Orange Facteur d'echelle optimise pour l'extension de bande de frequence dans un decodeur de signaux audiofrequences
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
CN105493182B (zh) * 2013-08-28 2020-01-21 杜比实验室特许公司 混合波形编码和参数编码语音增强
TWI579831B (zh) * 2013-09-12 2017-04-21 杜比國際公司 用於參數量化的方法、用於量化的參數之解量化方法及其電腦可讀取的媒體、音頻編碼器、音頻解碼器及音頻系統
TWI847206B (zh) 2013-09-12 2024-07-01 瑞典商杜比國際公司 多聲道音訊系統中之解碼方法、解碼裝置、包含用於執行解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、包含解碼裝置的音訊系統
CN105556597B (zh) 2013-09-12 2019-10-29 杜比国际公司 多声道音频内容的编码和解码
CN110867190B (zh) 2013-09-16 2023-10-13 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
KR102315920B1 (ko) * 2013-09-16 2021-10-21 삼성전자주식회사 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
US10045135B2 (en) 2013-10-24 2018-08-07 Staton Techiya, Llc Method and device for recognition and arbitration of an input connection
RU2573248C2 (ru) * 2013-10-29 2016-01-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования Московский технический университет связи и информатики (ФГОБУ ВПО МТУСИ) Способ измерения спектра информационных акустических сигналов телерадиовещания и устройство для его осуществления
US10043534B2 (en) 2013-12-23 2018-08-07 Staton Techiya, Llc Method and device for spectral expansion for an audio signal
GB2524333A (en) * 2014-03-21 2015-09-23 Nokia Technologies Oy Audio signal payload
CN105632505B (zh) * 2014-11-28 2019-12-20 北京天籁传音数字技术有限公司 主成分分析pca映射模型的编解码方法及装置
US9837086B2 (en) * 2015-07-31 2017-12-05 Apple Inc. Encoded audio extended metadata-based dynamic range control
CN105072588B (zh) * 2015-08-06 2018-10-16 北京大学 全线性无纠错保护的多媒体数据组播方法
CN105844592A (zh) * 2016-01-14 2016-08-10 辽宁师范大学 高光谱图像的小波域全变分混合去噪方法
WO2017125559A1 (en) 2016-01-22 2017-07-27 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatuses and methods for encoding or decoding an audio multi-channel signal using spectral-domain resampling
CN108496221B (zh) 2016-01-26 2020-01-21 杜比实验室特许公司 自适应量化
RU2638756C2 (ru) * 2016-05-13 2017-12-15 Кабусики Кайся Тосиба Устройство кодирования, устройство декодирования, способ кодирования и способ декодирования
WO2018001500A1 (en) * 2016-06-30 2018-01-04 Huawei Technologies Duesseldorf Gmbh Apparatuses and methods for encoding and decoding a multichannel audio signal
US10475457B2 (en) 2017-07-03 2019-11-12 Qualcomm Incorporated Time-domain inter-channel prediction
WO2019049543A1 (ja) * 2017-09-08 2019-03-14 ソニー株式会社 音声処理装置、音声処理方法及びプログラム
ES2971838T3 (es) * 2018-07-04 2024-06-10 Fraunhofer Ges Forschung Codificación de audio multiseñal utilizando el blanqueamiento de señal como preprocesamiento
CN110535497B (zh) * 2018-08-10 2022-07-19 中兴通讯股份有限公司 Csi发送、接收方法及其装置、通信节点及存储介质
GB2576769A (en) * 2018-08-31 2020-03-04 Nokia Technologies Oy Spatial parameter signalling
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
US20210224024A1 (en) * 2020-01-21 2021-07-22 Audiowise Technology Inc. Bluetooth audio system with low latency, and audio source and audio sink thereof
CN113948096A (zh) * 2020-07-17 2022-01-18 华为技术有限公司 多声道音频信号编解码方法和装置
EP4243015A4 (en) 2021-01-27 2024-04-17 Samsung Electronics Co., Ltd. AUDIO PROCESSING APPARATUS AND METHOD
WO2022164229A1 (ko) * 2021-01-27 2022-08-04 삼성전자 주식회사 오디오 처리 장치 및 방법
CN113282552B (zh) * 2021-06-04 2022-11-22 上海天旦网络科技发展有限公司 流量统计日志的相似性向量化方法及系统
US11854558B2 (en) * 2021-10-15 2023-12-26 Lemon Inc. System and method for training a transformer-in-transformer-based neural network model for audio data
CN115691515A (zh) * 2022-07-12 2023-02-03 南京拓灵智能科技有限公司 一种音频编解码方法及装置
CN117746889A (zh) * 2022-12-21 2024-03-22 行吟信息科技(武汉)有限公司 音频处理方法、装置、电子设备及存储介质

Family Cites Families (137)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US728395A (en) * 1900-05-24 1903-05-19 Henry Howard Evaporating apparatus.
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
EP0064119B1 (fr) * 1981-04-30 1985-08-28 International Business Machines Corporation Perfectionnement aux procédés de codage de la voix et dispositif de mise en oeuvre du procédé perfectionné
CA1253255A (en) 1983-05-16 1989-04-25 Nec Corporation System for simultaneously coding and decoding a plurality of signals
GB2205465B (en) * 1987-05-13 1991-09-04 Ricoh Kk Image transmission system
US4907276A (en) * 1988-04-05 1990-03-06 The Dsp Group (Israel) Ltd. Fast search method for vector quantizer communication and pattern recognition systems
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
JP2921879B2 (ja) 1989-09-29 1999-07-19 株式会社東芝 画像データ処理装置
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
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
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
US5632003A (en) 1993-07-16 1997-05-20 Dolby Laboratories Licensing Corporation Computationally efficient adaptive bit allocation for coding method and apparatus
TW272341B (zh) 1993-07-16 1996-03-11 Sony Co Ltd
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
US5581653A (en) 1993-08-31 1996-12-03 Dolby Laboratories Licensing Corporation Low bit-rate high-resolution spectral envelope coding for audio encoder and decoder
DE4331376C1 (de) * 1993-09-15 1994-11-10 Fraunhofer Ges Forschung Verfahren zum Bestimmen der zu wählenden Codierungsart für die Codierung von wenigstens zwei Signalen
KR960012475B1 (ko) 1994-01-18 1996-09-20 대우전자 주식회사 디지탈 오디오 부호화장치의 채널별 비트 할당 장치
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
EP0738441B1 (en) 1994-11-04 2002-03-13 Koninklijke Philips Electronics N.V. Encoding and decoding of a wideband digital information signal
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
WO1996032710A1 (en) 1995-04-10 1996-10-17 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
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
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
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
DE19628292B4 (de) 1996-07-12 2007-08-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zum Codieren und Decodieren von Stereoaudiospektralwerten
DE19628293C1 (de) 1996-07-12 1997-12-11 Fraunhofer Ges Forschung Codieren und Decodieren von Audiosignalen unter Verwendung von Intensity-Stereo und Prädiktion
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
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
US6304847B1 (en) 1996-11-20 2001-10-16 Samsung Electronics, Co., Ltd. Method of implementing an inverse modified discrete cosine transform (IMDCT) in a dial-mode audio decoder
FI970266A (fi) 1997-01-22 1998-07-23 Nokia Telecommunications Oy Menetelmä solukkoradiojärjestelmän ohjauskanavien kantaman pidentämiseksi ja solukkoradiojärjestelmä
CN1145363C (zh) 1997-02-08 2004-04-07 松下电器产业株式会社 静画和动画编码的量化矩阵
JP3143406B2 (ja) 1997-02-19 2001-03-07 三洋電機株式会社 音声符号化方法
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
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
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
WO1999043110A1 (en) 1998-02-21 1999-08-26 Sgs-Thomson Microelectronics 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
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
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
US6300888B1 (en) 1998-12-14 2001-10-09 Microsoft Corporation Entrophy code mode switching for frequency-domain audio coding
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)
EP1173925B1 (en) 1999-04-07 2003-12-03 Dolby Laboratories Licensing Corporation Matrixing for lossless encoding and decoding of multichannels audio signals
US6246345B1 (en) 1999-04-16 2001-06-12 Dolby Laboratories Licensing Corporation Using gain-adaptive quantization and non-uniform symbol lengths for improved audio coding
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
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
US6418405B1 (en) 1999-09-30 2002-07-09 Motorola, Inc. Method and apparatus for dynamic segmentation of a low bit rate digital voice message
AU2018201A (en) 1999-10-12 2001-04-23 Perception Digital Technology (Bvi) Limited Digital multimedia jukebox
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
WO2001059946A1 (en) 2000-02-10 2001-08-16 Telogy Networks, Inc. A generalized precoder for the upstream voiceband modem channel
ATE387044T1 (de) 2000-07-07 2008-03-15 Nokia Siemens Networks Oy Verfahren und vorrichtung für die perzeptuelle tonkodierung von einem mehrkanal tonsignal mit verwendung der kaskadierten diskreten cosinustransformation oder der modifizierten diskreten cosinustransformation
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
WO2002031815A1 (en) * 2000-10-13 2002-04-18 Science Applications International Corporation System and method for linear prediction
SE0004187D0 (sv) 2000-11-15 2000-11-15 Coding Technologies Sweden Ab Enhancing the performance of coding systems that use high frequency reconstruction methods
US6463408B1 (en) 2000-11-22 2002-10-08 Ericsson, Inc. Systems and methods for improving power spectral estimation of speech signals
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
EP1377967B1 (en) 2001-04-13 2013-04-10 Dolby Laboratories Licensing Corporation High quality time-scaling and pitch-scaling of audio signals
SE522553C2 (sv) 2001-04-23 2004-02-17 Ericsson Telefon Ab L M Bandbreddsutsträckning av akustiska signaler
US7583805B2 (en) * 2004-02-12 2009-09-01 Agere Systems Inc. Late reverberation-based synthesis of auditory scenes
JP4272050B2 (ja) 2001-05-25 2009-06-03 ドルビー・ラボラトリーズ・ライセンシング・コーポレーション オーディトリーイベントに基づく特徴付けを使ったオーディオの比較
US7027982B2 (en) 2001-12-14 2006-04-11 Microsoft Corporation Quality and rate control strategy for digital audio
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
US7460993B2 (en) 2001-12-14 2008-12-02 Microsoft Corporation Adaptive window-size selection in transform coding
US7240001B2 (en) 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
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
AU2003244932A1 (en) 2002-07-12 2004-02-02 Koninklijke Philips Electronics N.V. Audio coding
EP1523863A1 (en) 2002-07-16 2005-04-20 Koninklijke Philips Electronics N.V. Audio coding
CA2464408C (en) * 2002-08-01 2012-02-21 Matsushita Electric Industrial Co., Ltd. Audio decoding apparatus and method for band expansion with aliasing suppression
US7299190B2 (en) 2002-09-04 2007-11-20 Microsoft Corporation Quantization and inverse quantization for audio
US7502743B2 (en) * 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
EP1543307B1 (en) * 2002-09-19 2006-02-22 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
RU2005135650A (ru) * 2003-04-17 2006-03-20 Конинклейке Филипс Электроникс Н.В. (Nl) Синтез аудиосигнала
CN100546233C (zh) * 2003-04-30 2009-09-30 诺基亚公司 用于支持多声道音频扩展的方法和设备
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
US6790759B1 (en) * 2003-07-31 2004-09-14 Freescale Semiconductor, Inc. Semiconductor device with strain relieving bump design
RU2374703C2 (ru) * 2003-10-30 2009-11-27 Конинклейке Филипс Электроникс Н.В. Кодирование или декодирование аудиосигнала
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
US7460990B2 (en) 2004-01-23 2008-12-02 Microsoft Corporation Efficient coding of digital media spectral data using wide-sense perceptual similarity
ATE527654T1 (de) 2004-03-01 2011-10-15 Dolby Lab Licensing Corp Mehrkanal-audiodecodierung
JP5032977B2 (ja) * 2004-04-05 2012-09-26 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ マルチチャンネル・エンコーダ
FI119533B (fi) 2004-04-15 2008-12-15 Nokia Corp Audiosignaalien koodaus
WO2006000842A1 (en) * 2004-05-28 2006-01-05 Nokia Corporation Multichannel audio extension
KR100773539B1 (ko) * 2004-07-14 2007-11-05 삼성전자주식회사 멀티채널 오디오 데이터 부호화/복호화 방법 및 장치
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
CN102237094B (zh) * 2005-10-12 2013-02-20 三星电子株式会社 处理/发送比特流以及接收/处理比特流的方法和设备
US20070168197A1 (en) * 2006-01-18 2007-07-19 Nokia Corporation Audio coding
US8190425B2 (en) 2006-01-20 2012-05-29 Microsoft Corporation Complex cross-correlation parameters for multi-channel audio
US7831434B2 (en) * 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding

Also Published As

Publication number Publication date
EP1974470A1 (en) 2008-10-01
CN101371447A (zh) 2009-02-18
RU2011108927A (ru) 2012-09-20
AU2010249173B2 (en) 2012-08-23
KR101143225B1 (ko) 2012-05-21
RU2008129802A (ru) 2010-01-27
WO2007087117A1 (en) 2007-08-02
US20110035226A1 (en) 2011-02-10
CA2637185A1 (en) 2007-08-02
KR20080093994A (ko) 2008-10-22
AU2007208482B2 (en) 2010-09-16
CN101371447B (zh) 2012-06-06
AU2010249173A1 (en) 2010-12-23
RU2555221C2 (ru) 2015-07-10
RU2422987C2 (ru) 2011-06-27
EP1974470A4 (en) 2010-12-15
US7831434B2 (en) 2010-11-09
AU2007208482A1 (en) 2007-08-02
CN102708868A (zh) 2012-10-03
CA2637185C (en) 2014-03-25
CN102708868B (zh) 2016-08-10
US9105271B2 (en) 2015-08-11
US20070174062A1 (en) 2007-07-26
JP2009524108A (ja) 2009-06-25

Similar Documents

Publication Publication Date Title
HK1176455A1 (zh) 使用擴展帶頻率編碼的複變換信道編碼
EP2257678A4 (en) CHANNEL
HK1136705A1 (en) Beamspace-time coding based on channel quality feedback
HK1114988A1 (en) Coding scheme enabling precision-scalability
EP2020105A4 (en) FEEDBACK BY GROUPED CHANNELS
EP2091257A4 (en) encoder
EP2051523A4 (en) RECEIVER
GB2451952B (en) Counter-tactile keypad
IL194133A0 (en) Flexible quantization
EP2200867A4 (en) FLEXIBLE FILLING ELEMENT
GB0614468D0 (en) Guide Assembly
EP2033391A4 (en) AltBOC RECEIVER
ZA200802715B (en) Adapting location based broadcasting
GB0611684D0 (en) Communications
GB0709295D0 (en) New Zealander
EP2003788A4 (en) HIGH FREQUENCY ELEMENT
GB0622755D0 (en) Wire-in channel superconductor
EP2374272A4 (en) ENHANCED CHANNEL NAVIGATION
EP2382666A4 (en) REFLECTOR CANNEL
GB0619769D0 (en) Variable length coding
TWI365621B (en) Channel estimation
GB0610572D0 (en) Guide assembly
GB0624016D0 (en) Narrow band receiver
EP2007028A4 (en) RECEIVER
GB0822725D0 (en) Channel