SG11201507703SA - Audio encoder and decoder - Google Patents

Audio encoder and decoder

Info

Publication number
SG11201507703SA
SG11201507703SA SG11201507703SA SG11201507703SA SG11201507703SA SG 11201507703S A SG11201507703S A SG 11201507703SA SG 11201507703S A SG11201507703S A SG 11201507703SA SG 11201507703S A SG11201507703S A SG 11201507703SA SG 11201507703S A SG11201507703S A SG 11201507703SA
Authority
SG
Singapore
Prior art keywords
decoder
audio encoder
encoder
audio
Prior art date
Application number
SG11201507703SA
Other languages
English (en)
Inventor
Lars Villemoes
Janusz Klejsa
Per Hedelin
Original Assignee
Dolby Int Ab
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 Int Ab filed Critical Dolby Int Ab
Publication of SG11201507703SA publication Critical patent/SG11201507703SA/en

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/04—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 predictive techniques
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
SG11201507703SA 2013-04-05 2014-04-04 Audio encoder and decoder SG11201507703SA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361808675P 2013-04-05 2013-04-05
US201361875553P 2013-09-09 2013-09-09
PCT/EP2014/056851 WO2014161991A2 (en) 2013-04-05 2014-04-04 Audio encoder and decoder

Publications (1)

Publication Number Publication Date
SG11201507703SA true SG11201507703SA (en) 2015-10-29

Family

ID=50439392

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201507703SA SG11201507703SA (en) 2013-04-05 2014-04-04 Audio encoder and decoder

Country Status (20)

Country Link
US (4) US10043528B2 (pl)
EP (3) EP3352167B1 (pl)
JP (1) JP6227117B2 (pl)
KR (5) KR101739789B1 (pl)
CN (2) CN109712633B (pl)
AU (6) AU2014247000B2 (pl)
BR (3) BR112015025139B1 (pl)
CA (6) CA3029033C (pl)
DK (1) DK2981958T3 (pl)
ES (1) ES2665599T3 (pl)
HK (2) HK1218802A1 (pl)
HU (1) HUE039143T2 (pl)
IL (5) IL294836A (pl)
MX (1) MX343673B (pl)
MY (1) MY176447A (pl)
PL (1) PL2981958T3 (pl)
RU (3) RU2740690C2 (pl)
SG (1) SG11201507703SA (pl)
UA (1) UA114967C2 (pl)
WO (1) WO2014161991A2 (pl)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK2981958T3 (en) * 2013-04-05 2018-05-28 Dolby Int Ab AUDIO CODES AND DECODS
CN106537500B (zh) * 2014-05-01 2019-09-13 日本电信电话株式会社 周期性综合包络序列生成装置、周期性综合包络序列生成方法、记录介质
PL3174050T3 (pl) * 2014-07-25 2019-04-30 Fraunhofer Ges Forschung Urządzenie do kodowania sygnałów audio, urządzenie do dekodowania sygnałów audio i ich sposoby
US9530400B2 (en) * 2014-09-29 2016-12-27 Nuance Communications, Inc. System and method for compressed domain language identification
US10210871B2 (en) * 2016-03-18 2019-02-19 Qualcomm Incorporated Audio processing for temporally mismatched signals
CN106782573B (zh) * 2016-11-30 2020-04-24 北京酷我科技有限公司 一种编码生成aac文件的方法
AU2018289986B2 (en) * 2017-06-19 2022-06-09 Rtx A/S Audio signal encoding and decoding
CN110764422A (zh) * 2018-07-27 2020-02-07 珠海格力电器股份有限公司 电器的控制方法和装置
EP3751567B1 (en) 2019-06-10 2022-01-26 Axis AB A method, a computer program, an encoder and a monitoring device
MX2022006398A (es) * 2019-11-27 2022-08-17 Fraunhofer Ges Forschung Codificador, decodificador, metodo de codificacion y metodo de decodificacion para la prediccion a largo plazo en el dominio de la frecuencia de se?ales tonales para la codificacion de audio.
CN112201283B (zh) * 2020-09-09 2022-02-08 北京小米松果电子有限公司 音频播放方法及装置
US11935546B2 (en) * 2021-08-19 2024-03-19 Semiconductor Components Industries, Llc Transmission error robust ADPCM compressor with enhanced response
WO2023056920A1 (en) * 2021-10-05 2023-04-13 Huawei Technologies Co., Ltd. Multilayer perceptron neural network for speech processing

Family Cites Families (86)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP3123286B2 (ja) * 1993-02-18 2001-01-09 ソニー株式会社 ディジタル信号処理装置又は方法、及び記録媒体
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
JP3087814B2 (ja) 1994-03-17 2000-09-11 日本電信電話株式会社 音響信号変換符号化装置および復号化装置
US5751903A (en) 1994-12-19 1998-05-12 Hughes Electronics Low rate multi-mode CELP codec that encodes line SPECTRAL frequencies utilizing an offset
SE506379C3 (sv) * 1995-03-22 1998-01-19 Ericsson Telefon Ab L M Lpc-talkodare med kombinerad excitation
US7272556B1 (en) * 1998-09-23 2007-09-18 Lucent Technologies Inc. Scalable and embedded codec for speech and 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
US7039581B1 (en) * 1999-09-22 2006-05-02 Texas Instruments Incorporated Hybrid speed coding and system
US6978236B1 (en) 1999-10-01 2005-12-20 Coding Technologies Ab Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching
US7406106B2 (en) * 2000-04-07 2008-07-29 Broadcom Corporation Method of sharing information among a plurality of stations in a frame-based communications network
WO2001082293A1 (en) * 2000-04-24 2001-11-01 Qualcomm Incorporated Method and apparatus for predictively quantizing voiced speech
SE0001926D0 (sv) 2000-05-23 2000-05-23 Lars Liljeryd Improved spectral translation/folding in the subband domain
JP3590342B2 (ja) * 2000-10-18 2004-11-17 日本電信電話株式会社 信号符号化方法、装置及び信号符号化プログラムを記録した記録媒体
US6636830B1 (en) * 2000-11-22 2003-10-21 Vialta Inc. System and method for noise reduction using bi-orthogonal modified discrete cosine transform
US6658383B2 (en) * 2001-06-26 2003-12-02 Microsoft Corporation Method for coding speech and music signals
US6963842B2 (en) 2001-09-05 2005-11-08 Creative Technology Ltd. Efficient system and method for converting between different transform-domain signal representations
US6895375B2 (en) * 2001-10-04 2005-05-17 At&T Corp. System for bandwidth extension of Narrow-band speech
US6988066B2 (en) * 2001-10-04 2006-01-17 At&T Corp. Method of bandwidth extension for narrow-band speech
WO2003077425A1 (fr) * 2002-03-08 2003-09-18 Nippon Telegraph And Telephone Corporation Procedes de codage et de decodage signaux numeriques, dispositifs de codage et de decodage, programme de codage et de decodage de signaux numeriques
US7752052B2 (en) * 2002-04-26 2010-07-06 Panasonic Corporation Scalable coder and decoder performing amplitude flattening for error spectrum estimation
AU2003247040A1 (en) 2002-07-16 2004-02-02 Koninklijke Philips Electronics N.V. Audio coding
SG108862A1 (en) * 2002-07-24 2005-02-28 St Microelectronics Asia Method and system for parametric characterization of transient audio signals
US7634399B2 (en) * 2003-01-30 2009-12-15 Digital Voice Systems, Inc. Voice transcoder
US7318027B2 (en) * 2003-02-06 2008-01-08 Dolby Laboratories Licensing Corporation Conversion of synthesized spectral components for encoding and low-complexity transcoding
WO2004082288A1 (en) 2003-03-11 2004-09-23 Nokia Corporation Switching between coding schemes
US8359197B2 (en) * 2003-04-01 2013-01-22 Digital Voice Systems, Inc. Half-rate vocoder
US7299174B2 (en) * 2003-04-30 2007-11-20 Matsushita Electric Industrial Co., Ltd. Speech coding apparatus including enhancement layer performing long term prediction
US7460684B2 (en) * 2003-06-13 2008-12-02 Nielsen Media Research, Inc. Method and apparatus for embedding watermarks
US7325023B2 (en) 2003-09-29 2008-01-29 Sony Corporation Method of making a window type decision based on MDCT data in audio encoding
MX2007012184A (es) * 2005-04-01 2007-12-11 Qualcomm Inc Sistemas, metodos y aparatos para codificacion de dialogo de banda ancha.
EP1760696B1 (en) * 2005-09-03 2016-02-03 GN ReSound A/S Method and apparatus for improved estimation of non-stationary noise for speech enhancement
KR20080049085A (ko) * 2005-09-30 2008-06-03 마츠시타 덴끼 산교 가부시키가이샤 음성 부호화 장치 및 음성 부호화 방법
RU2427978C2 (ru) * 2006-02-21 2011-08-27 Конинклейке Филипс Электроникс Н.В. Кодирование и декодирование аудио
US7590523B2 (en) 2006-03-20 2009-09-15 Mindspeed Technologies, Inc. Speech post-processing using MDCT coefficients
US20070270987A1 (en) * 2006-05-18 2007-11-22 Sharp Kabushiki Kaisha Signal processing method, signal processing apparatus and recording medium
EP1870880B1 (en) 2006-06-19 2010-04-07 Sharp Kabushiki Kaisha Signal processing method, signal processing apparatus and recording medium
US8135047B2 (en) * 2006-07-31 2012-03-13 Qualcomm Incorporated Systems and methods for including an identifier with a packet associated with a speech signal
US7987089B2 (en) 2006-07-31 2011-07-26 Qualcomm Incorporated Systems and methods for modifying a zero pad region of a windowed frame of an audio signal
EP2958106B1 (en) * 2006-10-11 2018-07-18 The Nielsen Company (US), LLC Methods and apparatus for embedding codes in compressed audio data streams
EP2102619B1 (en) * 2006-10-24 2017-03-22 Voiceage Corporation Method and device for coding transition frames in speech signals
MX2008011898A (es) 2006-10-25 2008-11-06 Fraunhofer Ges Forschung Aparato y metodo para generar valores de sub-banda de audio y aparato y metodo para generar muestras de audio en dominio de tiempo.
JPWO2008053970A1 (ja) 2006-11-02 2010-02-25 パナソニック株式会社 音声符号化装置、音声復号化装置、およびこれらの方法
FR2912249A1 (fr) * 2007-02-02 2008-08-08 France Telecom Codage/decodage perfectionnes de signaux audionumeriques.
US8214200B2 (en) 2007-03-14 2012-07-03 Xfrm, Inc. Fast MDCT (modified discrete cosine transform) approximation of a windowed sinusoid
PT2165328T (pt) * 2007-06-11 2018-04-24 Fraunhofer Ges Forschung Codificação e descodificação de um sinal de áudio tendo uma parte do tipo impulso e uma parte estacionária
KR101411901B1 (ko) 2007-06-12 2014-06-26 삼성전자주식회사 오디오 신호의 부호화/복호화 방법 및 장치
EP2015293A1 (en) * 2007-06-14 2009-01-14 Deutsche Thomson OHG Method and apparatus for encoding and decoding an audio signal using adaptively switched temporal resolution in the spectral domain
US20110035212A1 (en) * 2007-08-27 2011-02-10 Telefonaktiebolaget L M Ericsson (Publ) Transform coding of speech and audio signals
CN101960516B (zh) 2007-09-12 2014-07-02 杜比实验室特许公司 语音增强
US9177569B2 (en) * 2007-10-30 2015-11-03 Samsung Electronics Co., Ltd. Apparatus, medium and method to encode and decode high frequency signal
KR101373004B1 (ko) * 2007-10-30 2014-03-26 삼성전자주식회사 고주파수 신호 부호화 및 복호화 장치 및 방법
CN101465122A (zh) 2007-12-20 2009-06-24 株式会社东芝 语音的频谱波峰的检测以及语音识别方法和系统
DE602008005250D1 (de) 2008-01-04 2011-04-14 Dolby Sweden Ab Audiokodierer und -dekodierer
CN101527138B (zh) * 2008-03-05 2011-12-28 华为技术有限公司 超宽带扩展编码、解码方法、编解码器及超宽带扩展系统
EP2269188B1 (en) * 2008-03-14 2014-06-11 Dolby Laboratories Licensing Corporation Multimode coding of speech-like and non-speech-like signals
CN101572586B (zh) * 2008-04-30 2012-09-19 北京工业大学 编解码方法、装置及系统
KR101223835B1 (ko) * 2008-07-11 2013-01-17 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 오디오 신호 합성기 및 오디오 신호 인코더
CA2836858C (en) 2008-07-11 2017-09-12 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Time warp activation signal provider, audio signal encoder, method for providing a time warp activation signal, method for encoding an audio signal and computer programs
KR20100007738A (ko) * 2008-07-14 2010-01-22 한국전자통신연구원 음성/오디오 통합 신호의 부호화/복호화 장치
US8352279B2 (en) 2008-09-06 2013-01-08 Huawei Technologies Co., Ltd. Efficient temporal envelope coding approach by prediction between low band signal and high band signal
US8463603B2 (en) * 2008-09-06 2013-06-11 Huawei Technologies Co., Ltd. Spectral envelope coding of energy attack signal
WO2010028301A1 (en) 2008-09-06 2010-03-11 GH Innovation, Inc. Spectrum harmonic/noise sharpness control
US8407046B2 (en) 2008-09-06 2013-03-26 Huawei Technologies Co., Ltd. Noise-feedback for spectral envelope quantization
GB2466671B (en) * 2009-01-06 2013-03-27 Skype Speech encoding
EP2674943B1 (en) 2009-01-28 2015-09-02 Dolby International AB Improved harmonic transposition
US8848788B2 (en) * 2009-05-16 2014-09-30 Thomson Licensing Method and apparatus for joint quantization parameter adjustment
MX2012004116A (es) 2009-10-08 2012-05-22 Fraunhofer Ges Forschung Decodificador multimodo para señal de audio, codificador multimodo para señal de audio, metodo y programa de computacion que usan un modelado de ruido en base a linealidad-prediccion-codi ficacion.
MY164399A (en) * 2009-10-20 2017-12-15 Fraunhofer Ges Forschung Multi-mode audio codec and celp coding adapted therefore
JP5316896B2 (ja) * 2010-03-17 2013-10-16 ソニー株式会社 符号化装置および符号化方法、復号装置および復号方法、並びにプログラム
US8600737B2 (en) * 2010-06-01 2013-12-03 Qualcomm Incorporated Systems, methods, apparatus, and computer program products for wideband speech coding
ES2930103T3 (es) * 2010-07-08 2022-12-05 Fraunhofer Ges Forschung Codificador que utiliza cancelación del efecto de solapamiento hacia delante
US8560330B2 (en) 2010-07-19 2013-10-15 Futurewei Technologies, Inc. Energy envelope perceptual correction for high band coding
US9047875B2 (en) 2010-07-19 2015-06-02 Futurewei Technologies, Inc. Spectrum flatness control for bandwidth extension
KR101826331B1 (ko) * 2010-09-15 2018-03-22 삼성전자주식회사 고주파수 대역폭 확장을 위한 부호화/복호화 장치 및 방법
CN102436820B (zh) 2010-09-29 2013-08-28 华为技术有限公司 高频带信号编码方法及装置、高频带信号解码方法及装置
WO2012070866A2 (ko) * 2010-11-24 2012-05-31 엘지전자 주식회사 스피치 시그널 부호화 방법 및 복호화 방법
CA2827249C (en) 2011-02-14 2016-08-23 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for processing a decoded audio signal in a spectral domain
CN103582913B (zh) 2011-04-28 2016-05-11 杜比国际公司 有效内容分类及响度估计
CN103620674B (zh) 2011-06-30 2016-02-24 瑞典爱立信有限公司 用于对音频信号的时间段进行编码和解码的变换音频编解码器和方法
ES2582475T3 (es) * 2011-11-02 2016-09-13 Telefonaktiebolaget Lm Ericsson (Publ) Generación de una extensión de banda ancha de una señal de audio de ancho de banda extendido
WO2013141638A1 (ko) * 2012-03-21 2013-09-26 삼성전자 주식회사 대역폭 확장을 위한 고주파수 부호화/복호화 방법 및 장치
EP2903004A4 (en) * 2012-09-24 2016-11-16 Samsung Electronics Co Ltd METHOD AND APPARATUS FOR HAMPERING FRAME ERRORS, AND METHOD AND APPARATUS FOR DECODING AUDIO DATA
US9659567B2 (en) 2013-01-08 2017-05-23 Dolby International Ab Model based prediction in a critically sampled filterbank
DK2981958T3 (en) * 2013-04-05 2018-05-28 Dolby Int Ab AUDIO CODES AND DECODS
US9487224B1 (en) * 2015-09-22 2016-11-08 Siemens Industry, Inc. Mechanically extendable railroad crossing gate

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Publication number Publication date
BR122020017837B1 (pt) 2022-08-23
JP6227117B2 (ja) 2017-11-08
CA3029037A1 (en) 2014-10-09
EP3671738A1 (en) 2020-06-24
CN109712633A (zh) 2019-05-03
AU2014247000B2 (en) 2017-04-20
AU2020281040B2 (en) 2022-10-13
EP3352167B1 (en) 2019-10-02
IL258331B (en) 2020-11-30
PL2981958T3 (pl) 2018-07-31
IL252640A0 (en) 2017-07-31
MX2015013927A (es) 2015-12-11
CA3029041A1 (en) 2014-10-09
CN105247614A (zh) 2016-01-13
US20200126574A1 (en) 2020-04-23
KR20160125540A (ko) 2016-10-31
CA3029033C (en) 2021-03-30
CN109712633B (zh) 2023-07-07
IL294836A (en) 2022-09-01
CA2908625A1 (en) 2014-10-09
CA2908625C (en) 2017-10-03
KR102028888B1 (ko) 2019-11-08
AU2023200174A1 (en) 2023-02-16
AU2018260843B2 (en) 2020-09-03
RU2740690C2 (ru) 2021-01-19
RU2630887C2 (ru) 2017-09-13
RU2017129566A3 (pl) 2020-11-02
AU2018260843A1 (en) 2018-11-22
KR102245916B1 (ko) 2021-04-30
BR122020017853B1 (pt) 2023-03-14
HK1218802A1 (zh) 2017-03-10
WO2014161991A2 (en) 2014-10-09
BR112015025139A2 (pt) 2017-07-18
IL252640B (en) 2018-04-30
CA3029041C (en) 2021-03-30
AU2020281040A1 (en) 2021-01-07
ES2665599T3 (es) 2018-04-26
US20180322886A1 (en) 2018-11-08
AU2017201872A1 (en) 2017-04-06
BR112015025139B1 (pt) 2022-03-15
HUE039143T2 (hu) 2018-12-28
CN105247614B (zh) 2019-04-05
WO2014161991A3 (en) 2015-04-23
US20230238011A1 (en) 2023-07-27
RU2017129552A3 (pl) 2020-11-02
AU2014247000A1 (en) 2015-10-08
RU2017129552A (ru) 2019-02-04
CA2997882C (en) 2020-06-30
MX343673B (es) 2016-11-16
US11621009B2 (en) 2023-04-04
JP2016514857A (ja) 2016-05-23
KR102383819B1 (ko) 2022-04-08
KR102150496B1 (ko) 2020-09-01
MY176447A (en) 2020-08-10
EP3352167A1 (en) 2018-07-25
KR20150127654A (ko) 2015-11-17
IL241739A0 (en) 2015-11-30
CA3029037C (en) 2021-12-28
CA3029033A1 (en) 2014-10-09
RU2017129566A (ru) 2019-02-05
EP2981958A2 (en) 2016-02-10
CA2948694C (en) 2019-02-05
CA2997882A1 (en) 2014-10-09
HK1250836A1 (zh) 2019-01-11
DK2981958T3 (en) 2018-05-28
AU2017201874A1 (en) 2017-04-06
KR20210046846A (ko) 2021-04-28
IL278164A (en) 2020-11-30
RU2740359C2 (ru) 2021-01-13
KR101739789B1 (ko) 2017-05-25
US10043528B2 (en) 2018-08-07
KR20190112191A (ko) 2019-10-02
AU2017201874B2 (en) 2018-08-09
KR20200103881A (ko) 2020-09-02
AU2023200174B2 (en) 2024-02-22
IL278164B (en) 2022-08-01
EP2981958B1 (en) 2018-03-07
IL258331A (en) 2018-05-31
IL241739A (en) 2017-06-29
US10515647B2 (en) 2019-12-24
AU2017201872B2 (en) 2018-08-09
CA2948694A1 (en) 2014-10-09
UA114967C2 (uk) 2017-08-28
RU2015147276A (ru) 2017-05-16
US20160064007A1 (en) 2016-03-03

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