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DK1736966T3 - Fremgangsmåde til frembringelse af lydinformation - Google Patents

Fremgangsmåde til frembringelse af lydinformation

Info

Publication number
DK1736966T3
DK1736966T3 DK06020757.8T DK06020757T DK1736966T3 DK 1736966 T3 DK1736966 T3 DK 1736966T3 DK 06020757 T DK06020757 T DK 06020757T DK 1736966 T3 DK1736966 T3 DK 1736966T3
Authority
DK
Denmark
Prior art keywords
spectral components
generating
audio information
signal
subband signals
Prior art date
Application number
DK06020757.8T
Other languages
English (en)
Inventor
Michael Mead Truman
Grant Allen Davidson
Matthew Conrad Fellers
Mark Stuart Vinton
Matthew Aubrey Watson
Charles Quito Robinson
Original Assignee
Dolby Lab Licensing Corp
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 Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Application granted granted Critical
Publication of DK1736966T3 publication Critical patent/DK1736966T3/da

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech 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
    • G10L19/02—Speech 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 using spectral analysis, e.g. transform vocoders or subband vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech 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
    • G10L19/02—Speech 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 using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/035—Scalar quantisation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech 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
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech 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
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Stereophonic System (AREA)
  • Optical Communication System (AREA)
  • Adornments (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Optical Filters (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
DK06020757.8T 2002-06-17 2003-05-30 Fremgangsmåde til frembringelse af lydinformation DK1736966T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/174,493 US7447631B2 (en) 2002-06-17 2002-06-17 Audio coding system using spectral hole filling
EP03736761A EP1514261B1 (en) 2002-06-17 2003-05-30 Audio coding system using spectral hole filling

Publications (1)

Publication Number Publication Date
DK1736966T3 true DK1736966T3 (da) 2010-11-01

Family

ID=29733607

Family Applications (3)

Application Number Title Priority Date Filing Date
DK06020757.8T DK1736966T3 (da) 2002-06-17 2003-05-30 Fremgangsmåde til frembringelse af lydinformation
DK03736761T DK1514261T3 (da) 2002-06-17 2003-05-30 Audiokodningssystem, der anvender udfyldning af spektrale huller
DK10159809.2T DK2207169T3 (da) 2002-06-17 2003-06-09 Audiodekodning til fyldning af spektralhuller

Family Applications After (2)

Application Number Title Priority Date Filing Date
DK03736761T DK1514261T3 (da) 2002-06-17 2003-05-30 Audiokodningssystem, der anvender udfyldning af spektrale huller
DK10159809.2T DK2207169T3 (da) 2002-06-17 2003-06-09 Audiodekodning til fyldning af spektralhuller

Country Status (20)

Country Link
US (4) US7447631B2 (da)
EP (6) EP2209115B1 (da)
JP (6) JP4486496B2 (da)
KR (5) KR100991448B1 (da)
CN (1) CN100369109C (da)
AT (7) ATE349754T1 (da)
CA (6) CA2736046A1 (da)
DE (3) DE60333316D1 (da)
DK (3) DK1736966T3 (da)
ES (1) ES2275098T3 (da)
HK (6) HK1070728A1 (da)
IL (2) IL165650A (da)
MX (1) MXPA04012539A (da)
MY (2) MY159022A (da)
PL (1) PL208344B1 (da)
PT (1) PT2216777E (da)
SG (3) SG10201702049SA (da)
SI (2) SI2209115T1 (da)
TW (1) TWI352969B (da)
WO (1) WO2003107328A1 (da)

Families Citing this family (145)

* 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
DE10134471C2 (de) * 2001-02-28 2003-05-22 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Charakterisieren eines Signals und Verfahren und Vorrichtung zum Erzeugen eines indexierten Signals
US7240001B2 (en) 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
US7447631B2 (en) 2002-06-17 2008-11-04 Dolby Laboratories Licensing Corporation Audio coding system using spectral hole filling
KR20050025583A (ko) * 2002-07-08 2005-03-14 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 처리
US7889783B2 (en) * 2002-12-06 2011-02-15 Broadcom Corporation Multiple data rate communication system
AU2004248544B2 (en) 2003-05-28 2010-02-18 Dolby Laboratories Licensing Corporation Method, apparatus and computer program for calculating and adjusting the perceived loudness of an audio signal
US7461003B1 (en) * 2003-10-22 2008-12-02 Tellabs Operations, Inc. Methods and apparatus for improving the quality of speech signals
US7460990B2 (en) 2004-01-23 2008-12-02 Microsoft Corporation Efficient coding of digital media spectral data using wide-sense perceptual similarity
EP1723639B1 (en) * 2004-03-12 2007-11-14 Nokia Corporation Synthesizing a mono audio signal based on an encoded multichannel audio signal
EP3336843B1 (en) * 2004-05-14 2021-06-23 Panasonic Intellectual Property Corporation of America Speech coding method and speech coding apparatus
ATE394774T1 (de) * 2004-05-19 2008-05-15 Matsushita Electric Ind Co Ltd Kodierungs-, dekodierungsvorrichtung und methode dafür
KR20070051857A (ko) * 2004-08-17 2007-05-18 코닌클리케 필립스 일렉트로닉스 엔.브이. 스케일러블 오디오 코딩
KR20070065401A (ko) * 2004-09-23 2007-06-22 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 데이터를 처리하는 시스템 및 방법, 프로그램구성요소, 및 컴퓨터-판독가능 매체
US8199933B2 (en) 2004-10-26 2012-06-12 Dolby Laboratories Licensing Corporation Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal
EP2262108B1 (en) 2004-10-26 2017-03-01 Dolby Laboratories Licensing Corporation Adjusting the perceived loudness and/or the perceived spectral balance of an audio signal
KR100657916B1 (ko) * 2004-12-01 2006-12-14 삼성전자주식회사 주파수 대역간의 유사도를 이용한 오디오 신호 처리 장치및 방법
KR100707173B1 (ko) * 2004-12-21 2007-04-13 삼성전자주식회사 저비트율 부호화/복호화방법 및 장치
US7630882B2 (en) * 2005-07-15 2009-12-08 Microsoft Corporation Frequency segmentation to obtain bands for efficient coding of digital media
US7562021B2 (en) * 2005-07-15 2009-07-14 Microsoft Corporation Modification of codewords in dictionary used for efficient coding of digital media spectral data
KR100851970B1 (ko) * 2005-07-15 2008-08-12 삼성전자주식회사 오디오 신호의 중요주파수 성분 추출방법 및 장치와 이를이용한 저비트율 오디오 신호 부호화/복호화 방법 및 장치
US7546240B2 (en) 2005-07-15 2009-06-09 Microsoft Corporation Coding with improved time resolution for selected segments via adaptive block transformation of a group of samples from a subband decomposition
US20070053603A1 (en) * 2005-09-08 2007-03-08 Monro Donald M Low complexity bases matching pursuits data coding and decoding
US7813573B2 (en) * 2005-09-08 2010-10-12 Monro Donald M Data coding and decoding with replicated matching pursuits
US8121848B2 (en) * 2005-09-08 2012-02-21 Pan Pacific Plasma Llc Bases dictionary for low complexity matching pursuits data coding and decoding
US7848584B2 (en) * 2005-09-08 2010-12-07 Monro Donald M Reduced dimension wavelet matching pursuits coding and decoding
US8126706B2 (en) * 2005-12-09 2012-02-28 Acoustic Technologies, Inc. Music detector for echo cancellation and noise reduction
US8504181B2 (en) 2006-04-04 2013-08-06 Dolby Laboratories Licensing Corporation Audio signal loudness measurement and modification in the MDCT domain
TWI517562B (zh) 2006-04-04 2016-01-11 杜比實驗室特許公司 用於將多聲道音訊信號之全面感知響度縮放一期望量的方法、裝置及電腦程式
DK1869669T3 (da) * 2006-04-24 2008-12-01 Nero Ag Avanceret audiokodningsapparat
MX2008013753A (es) 2006-04-27 2009-03-06 Dolby Lab Licensing Corp Control de ganancia de audio que utiliza deteccion de evento auditivo basado en intensidad acustica especifica.
US20070270987A1 (en) * 2006-05-18 2007-11-22 Sharp Kabushiki Kaisha Signal processing method, signal processing apparatus and recording medium
MX2009004175A (es) 2006-10-20 2009-04-30 Dolby Lab Licensing Corp Procesamiento de dinamica de audio que utiliza una reposicion.
US8521314B2 (en) 2006-11-01 2013-08-27 Dolby Laboratories Licensing Corporation Hierarchical control path with constraints for audio dynamics processing
US8639500B2 (en) * 2006-11-17 2014-01-28 Samsung Electronics Co., Ltd. Method, medium, and apparatus with bandwidth extension encoding and/or decoding
KR101379263B1 (ko) * 2007-01-12 2014-03-28 삼성전자주식회사 대역폭 확장 복호화 방법 및 장치
GB0704622D0 (en) * 2007-03-09 2007-04-18 Skype Ltd Speech coding system and method
AU2012261547B2 (en) * 2007-03-09 2014-04-17 Skype Speech coding system and method
KR101411900B1 (ko) * 2007-05-08 2014-06-26 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 장치
US7774205B2 (en) * 2007-06-15 2010-08-10 Microsoft Corporation Coding of sparse digital media spectral data
US7761290B2 (en) * 2007-06-15 2010-07-20 Microsoft Corporation Flexible frequency and time partitioning in perceptual transform coding of audio
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
RU2438197C2 (ru) 2007-07-13 2011-12-27 Долби Лэборетериз Лайсенсинг Корпорейшн Обработка звуковых сигналов с использованием анализа слуховой сцены и спектральной асимметрии
HUE047607T2 (hu) * 2007-08-27 2020-05-28 Ericsson Telefon Ab L M Eljárás és eszköz hangjel észlelési spektrális dekódolására, beleértve a spektrális lyukak kitöltését
EP2571024B1 (en) 2007-08-27 2014-10-22 Telefonaktiebolaget L M Ericsson AB (Publ) Adaptive transition frequency between noise fill and bandwidth extension
DE602008005477D1 (de) * 2007-09-12 2011-04-21 Dolby Lab Licensing Corp Spracherweiterung mit anpassung von geräuschpegelschätzungen
US8583426B2 (en) * 2007-09-12 2013-11-12 Dolby Laboratories Licensing Corporation Speech enhancement with voice clarity
US8249883B2 (en) 2007-10-26 2012-08-21 Microsoft Corporation Channel extension coding for multi-channel source
AU2008344134B2 (en) * 2007-12-31 2011-08-25 Lg Electronics Inc. A method and an apparatus for processing an audio signal
MX2011000382A (es) 2008-07-11 2011-02-25 Fraunhofer Ges Forschung Codificador de audio, decodificador de audio, metodos para la codificacion y decodificacion de audio; transmision de audio y programa de computacion.
EP2410519B1 (en) * 2008-07-11 2019-09-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method and apparatus for encoding and decoding an audio signal and computer programs
MY154452A (en) * 2008-07-11 2015-06-15 Fraunhofer Ges Forschung An apparatus and a method for decoding an encoded audio signal
MX2011001253A (es) * 2008-08-08 2011-03-21 Panasonic Corp Dispositivo de filtrado espectral, dispositivo de codificacion, dispositivo de decodificacion, dispositivo de terminal de comunicacion, dispositivo de estacion base y metodo de filtrado espectral.
WO2010028297A1 (en) 2008-09-06 2010-03-11 GH Innovation, Inc. Selective bandwidth extension
US8532983B2 (en) * 2008-09-06 2013-09-10 Huawei Technologies Co., Ltd. Adaptive frequency prediction for encoding or decoding an audio signal
US8515747B2 (en) * 2008-09-06 2013-08-20 Huawei Technologies Co., Ltd. Spectrum harmonic/noise sharpness control
WO2010028299A1 (en) * 2008-09-06 2010-03-11 Huawei Technologies Co., Ltd. Noise-feedback for spectral envelope quantization
WO2010031003A1 (en) 2008-09-15 2010-03-18 Huawei Technologies Co., Ltd. Adding second enhancement layer to celp based core layer
WO2010031049A1 (en) * 2008-09-15 2010-03-18 GH Innovation, Inc. Improving celp post-processing for music signals
US8364471B2 (en) * 2008-11-04 2013-01-29 Lg Electronics Inc. Apparatus and method for processing a time domain audio signal with a noise filling flag
US9947340B2 (en) * 2008-12-10 2018-04-17 Skype Regeneration of wideband speech
GB0822537D0 (en) 2008-12-10 2009-01-14 Skype Ltd Regeneration of wideband speech
GB2466201B (en) * 2008-12-10 2012-07-11 Skype Ltd Regeneration of wideband speech
TWI559680B (zh) 2009-02-18 2016-11-21 杜比國際公司 低延遲調變濾波器組及用以設計該低延遲調變濾波器組之方法
TWI716833B (zh) * 2009-02-18 2021-01-21 瑞典商杜比國際公司 用於高頻重建或參數立體聲之複指數調變濾波器組
KR101078378B1 (ko) * 2009-03-04 2011-10-31 주식회사 코아로직 오디오 부호화기의 양자화 방법 및 장치
EP2555191A1 (en) * 2009-03-31 2013-02-06 Huawei Technologies Co., Ltd. Method and device for audio signal denoising
JP5754899B2 (ja) 2009-10-07 2015-07-29 ソニー株式会社 復号装置および方法、並びにプログラム
MY188408A (en) 2009-10-20 2021-12-08 Fraunhofer Ges Forschung Audio encoder,audio decoder,method for encoding an audio information,method for decoding an audio information and computer program using a region-dependent arithmetic coding mapping rule
US9117458B2 (en) * 2009-11-12 2015-08-25 Lg Electronics Inc. Apparatus for processing an audio signal and method thereof
US9838784B2 (en) 2009-12-02 2017-12-05 Knowles Electronics, Llc Directional audio capture
PL2524372T3 (pl) 2010-01-12 2015-08-31 Fraunhofer Ges Forschung Koder audio. dekoder audio, sposób kodowania i dekodowania informacji audio i program komputerowy uzyskujący wartość podobszaru kontekstu w oparciu o normę uprzednio zdekodowanych wartości widmowych
BR122019025143B1 (pt) 2010-01-19 2021-01-19 Dolby International Ab método para gerar um sinal transposto de frequência e/ou estendido no tempo a partir de um sinal de áudio de entrada e meio de armazenamento
TWI443646B (zh) 2010-02-18 2014-07-01 Dolby Lab Licensing Corp 音訊解碼器及使用有效降混之解碼方法
WO2011121955A1 (ja) 2010-03-30 2011-10-06 パナソニック株式会社 オーディオ装置
JP5850216B2 (ja) 2010-04-13 2016-02-03 ソニー株式会社 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム
JP5609737B2 (ja) 2010-04-13 2014-10-22 ソニー株式会社 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム
US8798290B1 (en) 2010-04-21 2014-08-05 Audience, Inc. Systems and methods for adaptive signal equalization
US9558755B1 (en) 2010-05-20 2017-01-31 Knowles Electronics, Llc Noise suppression assisted automatic speech recognition
WO2011156905A2 (en) * 2010-06-17 2011-12-22 Voiceage Corporation Multi-rate algebraic vector quantization with supplemental coding of missing spectrum sub-bands
US8831933B2 (en) 2010-07-30 2014-09-09 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for multi-stage shape vector quantization
JP6075743B2 (ja) 2010-08-03 2017-02-08 ソニー株式会社 信号処理装置および方法、並びにプログラム
US9208792B2 (en) * 2010-08-17 2015-12-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for noise injection
WO2012037515A1 (en) 2010-09-17 2012-03-22 Xiph. Org. Methods and systems for adaptive time-frequency resolution in digital data coding
JP5707842B2 (ja) 2010-10-15 2015-04-30 ソニー株式会社 符号化装置および方法、復号装置および方法、並びにプログラム
EP2631905A4 (en) * 2010-10-18 2014-04-30 Panasonic Corp DEVICE FOR TONE CODING AND TONE DECODING
CN103443856B (zh) * 2011-03-04 2015-09-09 瑞典爱立信有限公司 音频编码中的后量化增益校正
US8838442B2 (en) 2011-03-07 2014-09-16 Xiph.org Foundation Method and system for two-step spreading for tonal artifact avoidance in audio coding
WO2012122297A1 (en) * 2011-03-07 2012-09-13 Xiph. Org. Methods and systems for avoiding partial collapse in multi-block audio coding
US9009036B2 (en) 2011-03-07 2015-04-14 Xiph.org Foundation Methods and systems for bit allocation and partitioning in gain-shape vector quantization for audio coding
EP3319087B1 (en) * 2011-03-10 2019-08-21 Telefonaktiebolaget LM Ericsson (publ) Filling of non-coded sub-vectors in transform coded audio signals
ES2637031T3 (es) 2011-04-15 2017-10-10 Telefonaktiebolaget Lm Ericsson (Publ) Decodificador para la atenuación de regiones de señal reconstruidas con baja precisión
MX345963B (es) 2011-05-13 2017-02-28 Samsung Electronics Co Ltd Asignación de bits, codificación y decodificación de audio.
WO2012169133A1 (ja) * 2011-06-09 2012-12-13 パナソニック株式会社 音声符号化装置、音声復号装置、音声符号化方法及び音声復号方法
JP2013007944A (ja) 2011-06-27 2013-01-10 Sony Corp 信号処理装置、信号処理方法、及び、プログラム
US20130006644A1 (en) * 2011-06-30 2013-01-03 Zte Corporation Method and device for spectral band replication, and method and system for audio decoding
JP5997592B2 (ja) 2012-04-27 2016-09-28 株式会社Ｎｔｔドコモ 音声復号装置
WO2013188562A2 (en) * 2012-06-12 2013-12-19 Audience, Inc. Bandwidth extension via constrained synthesis
EP2717263B1 (en) * 2012-10-05 2016-11-02 Nokia Technologies Oy Method, apparatus, and computer program product for categorical spatial analysis-synthesis on the spectrum of a multichannel audio signal
CN105976824B (zh) 2012-12-06 2021-06-08 华为技术有限公司 信号解码的方法和设备
WO2014118175A1 (en) * 2013-01-29 2014-08-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Noise filling concept
KR101757341B1 (ko) * 2013-01-29 2017-07-14 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에.베. 저-복잡도 음조-적응 오디오 신호 양자화
KR101754094B1 (ko) * 2013-04-05 2017-07-05 돌비 인터네셔널 에이비 고급 양자화기
JP6157926B2 (ja) * 2013-05-24 2017-07-05 株式会社東芝 音声処理装置、方法およびプログラム
EP2830055A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Context-based entropy coding of sample values of a spectral envelope
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
EP2830060A1 (en) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Noise filling in multichannel audio coding
JP6531649B2 (ja) 2013-09-19 2019-06-19 ソニー株式会社 符号化装置および方法、復号化装置および方法、並びにプログラム
JP6593173B2 (ja) 2013-12-27 2019-10-23 ソニー株式会社 復号化装置および方法、並びにプログラム
EP2919232A1 (en) * 2014-03-14 2015-09-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoder, decoder and method for encoding and decoding
JP6035270B2 (ja) 2014-03-24 2016-11-30 株式会社Ｎｔｔドコモ 音声復号装置、音声符号化装置、音声復号方法、音声符号化方法、音声復号プログラム、および音声符号化プログラム
RU2572664C2 (ru) * 2014-06-04 2016-01-20 Российская Федерация, От Имени Которой Выступает Министерство Промышленности И Торговли Российской Федерации Устройство активного гашения вибрации
EP2980794A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and decoder using a frequency domain processor and a time domain processor
EP2980795A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor
US9962355B2 (en) 2014-08-08 2018-05-08 Raffaele Migliaccio Mixture of fatty acids and palmitoylethanolamide for use in the treatment of inflammatory and allergic pathologies
US9978388B2 (en) 2014-09-12 2018-05-22 Knowles Electronics, Llc Systems and methods for restoration of speech components
CN107077849B (zh) * 2014-11-07 2020-09-08 三星电子株式会社 用于恢复音频信号的方法和设备
US20160173808A1 (en) 2014-12-16 2016-06-16 Psyx Research, Inc. System and method for level control at a receiver
CN107210824A (zh) 2015-01-30 2017-09-26 美商楼氏电子有限公司 麦克风的环境切换
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
TWI771266B (zh) * 2015-03-13 2022-07-11 瑞典商杜比國際公司 解碼具有增強頻譜帶複製元資料在至少一填充元素中的音訊位元流
WO2016162283A1 (en) * 2015-04-07 2016-10-13 Dolby International Ab Audio coding with range extension
US20170024495A1 (en) * 2015-07-21 2017-01-26 Positive Grid LLC Method of modeling characteristics of a musical instrument
MX2018010753A (es) * 2016-03-07 2019-01-14 Fraunhofer Ges Forschung Método de ocultamiento híbrido: combinación de ocultamiento de pérdida paquete de dominio de frecuencia y tiempo en códecs de audio.
DE102016104665A1 (de) 2016-03-14 2017-09-14 Ask Industries Gmbh Verfahren und Vorrichtung zur Aufbereitung eines verlustbehaftet komprimierten Audiosignals
JP2018092012A (ja) * 2016-12-05 2018-06-14 ソニー株式会社 情報処理装置、情報処理方法、およびプログラム
TWI702241B (zh) * 2016-12-09 2020-08-21 南韓商Ｌｇ化學股份有限公司 封裝組成物
EP3483886A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Selecting pitch lag
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
EP3483880A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Temporal noise shaping
EP3483884A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signal filtering
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
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
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
US10950251B2 (en) * 2018-03-05 2021-03-16 Dts, Inc. Coding of harmonic signals in transform-based audio codecs
EP3544005B1 (en) 2018-03-22 2021-12-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio coding with dithered quantization
WO2019207036A1 (en) 2018-04-25 2019-10-31 Dolby International Ab Integration of high frequency audio reconstruction techniques
SG11202010367YA (en) 2018-04-25 2020-11-27 Dolby Int Ab Integration of high frequency reconstruction techniques with reduced post-processing delay
WO2023117145A1 (en) * 2021-12-23 2023-06-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method and apparatus for spectrotemporally improved spectral gap filling in audio coding using different noise filling methods
WO2023118605A1 (en) * 2021-12-23 2023-06-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method and apparatus for spectrotemporally improved spectral gap filling in audio coding using a filtering
EP4453932A1 (en) * 2021-12-23 2024-10-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method and apparatus for spectrotemporally improved spectral gap filling in audio coding using different noise filling methods
WO2023117146A1 (en) * 2021-12-23 2023-06-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method and apparatus for spectrotemporally improved spectral gap filling in audio coding using a filtering

Family Cites Families (68)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US36478A (en) * 1862-09-16 Improved can or tank for coal-oil
US3995115A (en) 1967-08-25 1976-11-30 Bell Telephone Laboratories, Incorporated Speech privacy system
US3684838A (en) 1968-06-26 1972-08-15 Kahn Res Lab Single channel audio signal transmission system
JPS6011360B2 (ja) 1981-12-15 1985-03-25 ケイディディ株式会社 音声符号化方式
US4667340A (en) 1983-04-13 1987-05-19 Texas Instruments Incorporated Voice messaging system with pitch-congruent baseband coding
WO1986003873A1 (en) 1984-12-20 1986-07-03 Gte Laboratories Incorporated Method and apparatus for encoding speech
US4790016A (en) 1985-11-14 1988-12-06 Gte Laboratories Incorporated Adaptive method and apparatus for coding speech
US4885790A (en) 1985-03-18 1989-12-05 Massachusetts Institute Of Technology Processing of acoustic waveforms
US4935963A (en) 1986-01-24 1990-06-19 Racal Data Communications Inc. Method and apparatus for processing speech signals
JPS62234435A (ja) 1986-04-04 1987-10-14 Kokusai Denshin Denwa Co Ltd <Kdd> 符号化音声の復号化方式
DE3683767D1 (de) 1986-04-30 1992-03-12 Ibm Sprachkodierungsverfahren und einrichtung zur ausfuehrung dieses verfahrens.
US4776014A (en) 1986-09-02 1988-10-04 General Electric Company Method for pitch-aligned high-frequency regeneration in RELP vocoders
US5054072A (en) 1987-04-02 1991-10-01 Massachusetts Institute Of Technology Coding of acoustic waveforms
US5127054A (en) 1988-04-29 1992-06-30 Motorola, Inc. Speech quality improvement for voice coders and synthesizers
JPH02183630A (ja) * 1989-01-10 1990-07-18 Fujitsu Ltd 音声符号化方式
US5109417A (en) 1989-01-27 1992-04-28 Dolby Laboratories Licensing Corporation Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio
US5054075A (en) 1989-09-05 1991-10-01 Motorola, Inc. Subband decoding method and apparatus
CN1062963C (zh) 1990-04-12 2001-03-07 多尔拜实验特许公司 用于产生高质量声音信号的解码器和编码器
ATE138238T1 (de) 1991-01-08 1996-06-15 Dolby Lab Licensing Corp Kodierer/dekodierer für mehrdimensionale schallfelder
JP3134337B2 (ja) * 1991-03-30 2001-02-13 ソニー株式会社 ディジタル信号符号化方法
EP0551705A3 (en) * 1992-01-15 1993-08-18 Ericsson Ge Mobile Communications Inc. Method for subbandcoding using synthetic filler signals for non transmitted subbands
JP2563719B2 (ja) 1992-03-11 1996-12-18 技術研究組合医療福祉機器研究所 音声加工装置と補聴器
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
JP3508146B2 (ja) * 1992-09-11 2004-03-22 ソニー株式会社 ディジタル信号符号化復号化装置、ディジタル信号符号化装置及びディジタル信号復号化装置
JP3127600B2 (ja) * 1992-09-11 2001-01-29 ソニー株式会社 ディジタル信号復号化装置及び方法
US5402124A (en) * 1992-11-25 1995-03-28 Dolby Laboratories Licensing Corporation Encoder and decoder with improved quantizer using reserved quantizer level for small amplitude signals
US5394466A (en) * 1993-02-16 1995-02-28 Keptel, Inc. Combination telephone network interface and cable television apparatus and cable television module
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
JPH07225598A (ja) 1993-09-22 1995-08-22 Massachusetts Inst Of Technol <Mit> 動的に決定された臨界帯域を用いる音響コード化の方法および装置
JP3186489B2 (ja) * 1994-02-09 2001-07-11 ソニー株式会社 ディジタル信号処理方法及び装置
JP3277682B2 (ja) * 1994-04-22 2002-04-22 ソニー株式会社 情報符号化方法及び装置、情報復号化方法及び装置、並びに情報記録媒体及び情報伝送方法
WO1995032499A1 (fr) * 1994-05-25 1995-11-30 Sony Corporation Procede de codage, procede de decodage, procede de codage-decodage, codeur, decodeur et codeur-decodeur
US5748786A (en) * 1994-09-21 1998-05-05 Ricoh Company, Ltd. Apparatus for compression using reversible embedded wavelets
JP3254953B2 (ja) 1995-02-17 2002-02-12 日本ビクター株式会社 音声高能率符号化装置
DE19509149A1 (de) 1995-03-14 1996-09-19 Donald Dipl Ing Schulz Codierverfahren
JPH08328599A (ja) 1995-06-01 1996-12-13 Mitsubishi Electric Corp Ｍｐｅｇオーディオ復号器
CA2185745C (en) * 1995-09-19 2001-02-13 Juin-Hwey Chen Synthesis of speech signals in the absence of coded parameters
US5692102A (en) * 1995-10-26 1997-11-25 Motorola, Inc. Method device and system for an efficient noise injection process for low bitrate audio compression
US6138051A (en) * 1996-01-23 2000-10-24 Sarnoff Corporation Method and apparatus for evaluating an audio decoder
JP3189660B2 (ja) * 1996-01-30 2001-07-16 ソニー株式会社 信号符号化方法
JP3519859B2 (ja) * 1996-03-26 2004-04-19 三菱電機株式会社 符号器及び復号器
DE19628293C1 (de) * 1996-07-12 1997-12-11 Fraunhofer Ges Forschung Codieren und Decodieren von Audiosignalen unter Verwendung von Intensity-Stereo und Prädiktion
US6092041A (en) * 1996-08-22 2000-07-18 Motorola, Inc. System and method of encoding and decoding a layered bitstream by re-applying psychoacoustic analysis in the decoder
JPH1091199A (ja) * 1996-09-18 1998-04-10 Mitsubishi Electric Corp 記録再生装置
US5924064A (en) 1996-10-07 1999-07-13 Picturetel Corporation Variable length coding using a plurality of region bit allocation patterns
EP0878790A1 (en) * 1997-05-15 1998-11-18 Hewlett-Packard Company Voice coding system and method
JP3213582B2 (ja) * 1997-05-29 2001-10-02 シャープ株式会社 画像符号化装置及び画像復号装置
SE512719C2 (sv) 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
KR20000068538A (ko) * 1997-07-11 2000-11-25 이데이 노부유끼 정보 복호 방법 및 장치, 정보 부호화 방법 및 장치, 및 제공매체
DE19730130C2 (de) 1997-07-14 2002-02-28 Fraunhofer Ges Forschung Verfahren zum Codieren eines Audiosignals
AU3372199A (en) * 1998-03-30 1999-10-18 Voxware, Inc. Low-complexity, low-delay, scalable and embedded speech and audio coding with adaptive frame loss concealment
US6115689A (en) * 1998-05-27 2000-09-05 Microsoft Corporation Scalable audio coder and decoder
JP2000148191A (ja) * 1998-11-06 2000-05-26 Matsushita Electric Ind Co Ltd ディジタルオーディオ信号の符号化装置
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)
US6363338B1 (en) * 1999-04-12 2002-03-26 Dolby Laboratories Licensing Corporation Quantization in perceptual audio coders with compensation for synthesis filter noise spreading
DE60011606T3 (de) * 1999-04-16 2008-01-24 Dolby Laboratories Licensing Corp., San Francisco Audiokodierung mit verstärkungsadaptiver quantisierung und symbolen verschiedener länge
FR2807897B1 (fr) * 2000-04-18 2003-07-18 France Telecom Methode et dispositif d'enrichissement spectral
JP2001324996A (ja) * 2000-05-15 2001-11-22 Japan Music Agency Co Ltd Ｍｐ３音楽データ再生方法及び装置
JP3616307B2 (ja) * 2000-05-22 2005-02-02 日本電信電話株式会社 音声・楽音信号符号化方法及びこの方法を実行するプログラムを記録した記録媒体
SE0001926D0 (sv) 2000-05-23 2000-05-23 Lars Liljeryd Improved spectral translation/folding in the subband domain
JP2001343998A (ja) * 2000-05-31 2001-12-14 Yamaha Corp ディジタルオーディオデコーダ
JP3538122B2 (ja) 2000-06-14 2004-06-14 株式会社ケンウッド 周波数補間装置、周波数補間方法及び記録媒体
SE0004187D0 (sv) 2000-11-15 2000-11-15 Coding Technologies Sweden Ab Enhancing the performance of coding systems that use high frequency reconstruction methods
GB0103245D0 (en) * 2001-02-09 2001-03-28 Radioscape Ltd Method of inserting additional data into a compressed signal
US6963842B2 (en) * 2001-09-05 2005-11-08 Creative Technology Ltd. Efficient system and method for converting between different transform-domain signal representations
US20030187663A1 (en) 2002-03-28 2003-10-02 Truman Michael Mead Broadband frequency translation for high frequency regeneration
US7447631B2 (en) 2002-06-17 2008-11-04 Dolby Laboratories Licensing Corporation Audio coding system using spectral hole filling

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