PT2165328T - Codificação e descodificação de um sinal de áudio tendo uma parte do tipo impulso e uma parte estacionária - Google Patents

Codificação e descodificação de um sinal de áudio tendo uma parte do tipo impulso e uma parte estacionária

Info

Publication number
PT2165328T
PT2165328T PT87590469T PT08759046T PT2165328T PT 2165328 T PT2165328 T PT 2165328T PT 87590469 T PT87590469 T PT 87590469T PT 08759046 T PT08759046 T PT 08759046T PT 2165328 T PT2165328 T PT 2165328T
Authority
PT
Portugal
Prior art keywords
impulse
decoding
encoding
audio signal
stationary
Prior art date
Application number
PT87590469T
Other languages
English (en)
Inventor
Geiger Ralf
Grill Bernhard
Bayer Stefan
Fuchs Guillaume
Herre Jürgen
Krämer Ulrich
Rettelbach Nikolaus
Original Assignee
Fraunhofer Ges Forschung
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 Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of PT2165328T publication Critical patent/PT2165328T/pt

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
    • G10L19/04—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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion 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
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • 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
    • G10L19/04—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
    • 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
    • G10L19/04—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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
PT87590469T 2007-06-11 2008-06-05 Codificação e descodificação de um sinal de áudio tendo uma parte do tipo impulso e uma parte estacionária PT2165328T (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US94325307P 2007-06-11 2007-06-11
US94350507P 2007-06-12 2007-06-12

Publications (1)

Publication Number Publication Date
PT2165328T true PT2165328T (pt) 2018-04-24

Family

ID=39709533

Family Applications (1)

Application Number Title Priority Date Filing Date
PT87590469T PT2165328T (pt) 2007-06-11 2008-06-05 Codificação e descodificação de um sinal de áudio tendo uma parte do tipo impulso e uma parte estacionária

Country Status (17)

Country Link
US (1) US8706480B2 (pt)
EP (1) EP2165328B1 (pt)
JP (1) JP5686369B2 (pt)
KR (1) KR101196506B1 (pt)
CN (1) CN101743586B (pt)
AR (1) AR066959A1 (pt)
AU (1) AU2008261287B2 (pt)
BR (1) BRPI0811384A2 (pt)
CA (1) CA2691993C (pt)
ES (1) ES2663269T3 (pt)
MX (1) MX2009013519A (pt)
MY (1) MY146431A (pt)
PL (1) PL2165328T3 (pt)
PT (1) PT2165328T (pt)
RU (1) RU2439721C2 (pt)
TW (1) TWI371744B (pt)
WO (1) WO2008151755A1 (pt)

Families Citing this family (74)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8326614B2 (en) * 2005-09-02 2012-12-04 Qnx Software Systems Limited Speech enhancement system
US7720677B2 (en) * 2005-11-03 2010-05-18 Coding Technologies Ab Time warped modified transform coding of audio signals
EP1852848A1 (en) * 2006-05-05 2007-11-07 Deutsche Thomson-Brandt GmbH Method and apparatus for lossless encoding of a source signal using a lossy encoded data stream and a lossless extension data stream
ES2363190T3 (es) * 2007-06-15 2011-07-26 France Telecom Codificación de señales audio-digitales.
US20090006081A1 (en) * 2007-06-27 2009-01-01 Samsung Electronics Co., Ltd. Method, medium and apparatus for encoding and/or decoding signal
RU2454736C2 (ru) 2007-10-15 2012-06-27 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ и устройство обработки сигнала
KR101756834B1 (ko) * 2008-07-14 2017-07-12 삼성전자주식회사 오디오/스피치 신호의 부호화 및 복호화 방법 및 장치
WO2010101527A1 (en) * 2009-03-03 2010-09-10 Agency For Science, Technology And Research Methods for determining whether a signal includes a wanted signal and apparatuses configured to determine whether a signal includes a wanted signal
CN101931414B (zh) 2009-06-19 2013-04-24 华为技术有限公司 脉冲编码方法及装置、脉冲解码方法及装置
US9753884B2 (en) 2009-09-30 2017-09-05 Microsoft Technology Licensing, Llc Radio-control board for software-defined radio platform
CA2777073C (en) * 2009-10-08 2015-11-24 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Multi-mode audio signal decoder, multi-mode audio signal encoder, methods and computer program using a linear-prediction-coding based noise shaping
CN102667923B (zh) 2009-10-20 2014-11-05 弗兰霍菲尔运输应用研究公司 音频编码器、音频解码器、用于将音频信息编码的方法、用于将音频信息解码的方法
TWI430263B (zh) * 2009-10-20 2014-03-11 Fraunhofer Ges Forschung 音訊信號編碼器、音訊信號解碼器、使用混疊抵消來將音訊信號編碼或解碼之方法
US9613630B2 (en) * 2009-11-12 2017-04-04 Lg Electronics Inc. Apparatus for processing a signal and method thereof for determining an LPC coding degree based on reduction of a value of LPC residual
AP3301A (en) * 2009-12-07 2015-06-30 Dolby Lab Licensing Corp Decoding of multichannel audio encoded bit streamsusing adaptive hybrid transformation
CA2786944C (en) 2010-01-12 2016-03-15 Fraunhofer Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder, method for encoding and audio information, method for decoding an audio information and computer program using a hash table describing both significant state values and interval boundaries
US9075446B2 (en) 2010-03-15 2015-07-07 Qualcomm Incorporated Method and apparatus for processing and reconstructing data
IL295473B2 (en) 2010-07-02 2023-10-01 Dolby Int Ab After–selective bass filter
EP4398246A2 (en) * 2010-07-08 2024-07-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Decoder using forward aliasing cancellation
US9136980B2 (en) 2010-09-10 2015-09-15 Qualcomm Incorporated Method and apparatus for low complexity compression of signals
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
MY165853A (en) 2011-02-14 2018-05-18 Fraunhofer Ges Forschung Linear prediction based coding scheme using spectral domain noise shaping
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
TWI483245B (zh) * 2011-02-14 2015-05-01 Fraunhofer Ges Forschung 利用重疊變換之資訊信號表示技術
TR201903388T4 (tr) 2011-02-14 2019-04-22 Fraunhofer Ges Forschung Bir ses sinyalinin parçalarının darbe konumlarının şifrelenmesi ve çözülmesi.
US9142220B2 (en) 2011-03-25 2015-09-22 The Intellisis Corporation Systems and methods for reconstructing an audio signal from transformed audio information
KR101823188B1 (ko) 2011-05-04 2018-01-29 마이크로소프트 테크놀로지 라이센싱, 엘엘씨 기지국을 위한 스펙트럼 할당 기법
JP5752324B2 (ja) * 2011-07-07 2015-07-22 ニュアンス コミュニケーションズ， インコーポレイテッド 雑音の入った音声信号中のインパルス性干渉の単一チャネル抑制
US9183850B2 (en) 2011-08-08 2015-11-10 The Intellisis Corporation System and method for tracking sound pitch across an audio signal
US8548803B2 (en) 2011-08-08 2013-10-01 The Intellisis Corporation System and method of processing a sound signal including transforming the sound signal into a frequency-chirp domain
US8620646B2 (en) 2011-08-08 2013-12-31 The Intellisis Corporation System and method for tracking sound pitch across an audio signal using harmonic envelope
CN102419978B (zh) * 2011-08-23 2013-03-27 展讯通信（上海）有限公司 音频解码器、音频解码的频谱重构方法及装置
WO2013061584A1 (ja) * 2011-10-28 2013-05-02 パナソニック株式会社 音信号ハイブリッドデコーダ、音信号ハイブリッドエンコーダ、音信号復号方法、及び音信号符号化方法
US9130711B2 (en) * 2011-11-10 2015-09-08 Microsoft Technology Licensing, Llc Mapping signals from a virtual frequency band to physical frequency bands
RU2505921C2 (ru) * 2012-02-02 2014-01-27 Корпорация "САМСУНГ ЭЛЕКТРОНИКС Ко., Лтд." Способ и устройство кодирования и декодирования аудиосигналов (варианты)
US20130211846A1 (en) * 2012-02-14 2013-08-15 Motorola Mobility, Inc. All-pass filter phase linearization of elliptic filters in signal decimation and interpolation for an audio codec
US9015044B2 (en) * 2012-03-05 2015-04-21 Malaspina Labs (Barbados) Inc. Formant based speech reconstruction from noisy signals
BR112015018023B1 (pt) 2013-01-29 2022-06-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. Aparelho e método para sintetizar um sinal de áudio, decodificador, codificador e sistema
PL2936484T3 (pl) * 2013-01-29 2018-06-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Urządzenie i sposób do przetwarzania zakodowanego sygnału i koder i sposób do generowania zakodowanego sygnału
US9728200B2 (en) 2013-01-29 2017-08-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for adaptive formant sharpening in linear prediction coding
EP3671738B1 (en) * 2013-04-05 2024-06-05 Dolby International AB Audio encoder and decoder
KR101632238B1 (ko) 2013-04-05 2016-06-21 돌비 인터네셔널 에이비 인터리브된 파형 코딩을 위한 오디오 인코더 및 디코더
US9762198B2 (en) * 2013-04-29 2017-09-12 Dolby Laboratories Licensing Corporation Frequency band compression with dynamic thresholds
AU2014280258B9 (en) 2013-06-10 2017-04-20 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for audio signal envelope encoding, processing and decoding by modelling a cumulative sum representation employing distribution quantization and coding
MY170179A (en) 2013-06-10 2019-07-09 Fraunhofer Ges Forschung Apparatus and method for audio signal envelope encoding, processing and decoding by splitting the audio signal envelope employing distribution quantization and coding
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
EP2830045A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Concept for audio encoding and decoding for audio channels and audio objects
EP2830050A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for enhanced spatial audio object coding
EP2830047A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for low delay object metadata coding
US9418671B2 (en) * 2013-08-15 2016-08-16 Huawei Technologies Co., Ltd. Adaptive high-pass post-filter
EP3058569B1 (en) 2013-10-18 2020-12-09 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung E.V. Concept for encoding an audio signal and decoding an audio signal using deterministic and noise like information
CN111370009B (zh) 2013-10-18 2023-12-22 弗朗霍夫应用科学研究促进协会 使用语音相关的频谱整形信息编码音频信号和解码音频信号的概念
US10204630B2 (en) * 2013-10-22 2019-02-12 Electronics And Telecommunications Research Instit Ute Method for generating filter for audio signal and parameterizing device therefor
CN103761969B (zh) * 2014-02-20 2016-09-14 武汉大学 基于高斯混合模型的感知域音频编码方法及系统
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
US9959876B2 (en) 2014-05-16 2018-05-01 Qualcomm Incorporated Closed loop quantization of higher order ambisonic coefficients
US9583115B2 (en) 2014-06-26 2017-02-28 Qualcomm Incorporated Temporal gain adjustment based on high-band signal characteristic
EP2980790A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for comfort noise generation mode selection
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
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
AU2015258241B2 (en) 2014-07-28 2016-09-15 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for selecting one of a first encoding algorithm and a second encoding algorithm using harmonics reduction
WO2016091994A1 (en) * 2014-12-11 2016-06-16 Ubercord Gmbh Method and installation for processing a sequence of signals for polyphonic note recognition
US9870785B2 (en) 2015-02-06 2018-01-16 Knuedge Incorporated Determining features of harmonic signals
US9922668B2 (en) 2015-02-06 2018-03-20 Knuedge Incorporated Estimating fractional chirp rate with multiple frequency representations
US9842611B2 (en) 2015-02-06 2017-12-12 Knuedge Incorporated Estimating pitch using peak-to-peak distances
US10861475B2 (en) * 2015-11-10 2020-12-08 Dolby International Ab Signal-dependent companding system and method to reduce quantization noise
EP3405950B1 (en) * 2016-01-22 2022-09-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Stereo audio coding with ild-based normalisation prior to mid/side decision
CN111210832B (zh) * 2018-11-22 2024-06-04 广州广晟数码技术有限公司 基于频谱包络模板的带宽扩展音频编解码方法及装置
RU2701491C1 (ru) * 2019-03-21 2019-09-26 Общество С Ограниченной Ответственностью "Ржн" Способ распознавания кодового сигнала на фоне аддитивных помех
CN110070878B (zh) * 2019-03-26 2021-05-04 苏州科达科技股份有限公司 音频码流的解码方法及电子设备
JP2022539217A (ja) 2019-07-02 2022-09-07 ドルビー・インターナショナル・アーベー 離散指向性情報の表現、符号化、および復号化のための方法、装置、およびシステム
US11043203B2 (en) * 2019-09-27 2021-06-22 Eventide Inc. Mode selection for modal reverb
US11694692B2 (en) 2020-11-11 2023-07-04 Bank Of America Corporation Systems and methods for audio enhancement and conversion
EP4120257A1 (en) * 2021-07-14 2023-01-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Coding and decocidng of pulse and residual parts of an audio signal

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4026A (en) * 1845-05-01 Xpump
JPH0333900A (ja) 1989-06-30 1991-02-14 Fujitsu Ltd 音声符号化方式
CA2019801C (en) 1989-06-28 1994-05-31 Tomohiko Taniguchi System for speech coding and an apparatus for the same
US5235670A (en) * 1990-10-03 1993-08-10 Interdigital Patents Corporation Multiple impulse excitation speech encoder and decoder
FR2729245B1 (fr) * 1995-01-06 1997-04-11 Lamblin Claude Procede de codage de parole a prediction lineaire et excitation par codes algebriques
JPH1051315A (ja) 1996-07-29 1998-02-20 Takayoshi Hirata 代用インパルス波形による信号波形の伝送および記録方式
US6134518A (en) * 1997-03-04 2000-10-17 International Business Machines Corporation Digital audio signal coding using a CELP coder and a transform coder
JP4173940B2 (ja) 1999-03-05 2008-10-29 松下電器産業株式会社 音声符号化装置及び音声符号化方法
EP1187337B1 (en) 1999-04-19 2008-01-02 Fujitsu Limited Speech coding processor and speech coding method
US6757654B1 (en) 2000-05-11 2004-06-29 Telefonaktiebolaget Lm Ericsson Forward error correction in speech coding
US6968309B1 (en) * 2000-10-31 2005-11-22 Nokia Mobile Phones Ltd. Method and system for speech frame error concealment in speech decoding
US6789059B2 (en) * 2001-06-06 2004-09-07 Qualcomm Incorporated Reducing memory requirements of a codebook vector search
JP4622164B2 (ja) * 2001-06-15 2011-02-02 ソニー株式会社 音響信号符号化方法及び装置
US7272555B2 (en) 2001-09-13 2007-09-18 Industrial Technology Research Institute Fine granularity scalability speech coding for multi-pulses CELP-based algorithm
EP1483759B1 (en) * 2002-03-12 2006-09-06 Nokia Corporation Scalable audio coding
AU2003234763A1 (en) * 2002-04-26 2003-11-10 Matsushita Electric Industrial Co., Ltd. Coding device, decoding device, coding method, and decoding method
KR100462611B1 (ko) 2002-06-27 2004-12-20 삼성전자주식회사 하모닉 성분을 이용한 오디오 코딩방법 및 장치
US7191136B2 (en) * 2002-10-01 2007-03-13 Ibiquity Digital Corporation Efficient coding of high frequency signal information in a signal using a linear/non-linear prediction model based on a low pass baseband
RU2331933C2 (ru) * 2002-10-11 2008-08-20 Нокиа Корпорейшн Способы и устройства управляемого источником широкополосного кодирования речи с переменной скоростью в битах
US7876966B2 (en) 2003-03-11 2011-01-25 Spyder Navigations L.L.C. Switching between coding schemes
EP1619664B1 (en) * 2003-04-30 2012-01-25 Panasonic Corporation Speech coding apparatus, speech decoding apparatus and methods thereof
GB2403634B (en) 2003-06-30 2006-11-29 Nokia Corp An audio encoder
US7739120B2 (en) * 2004-05-17 2010-06-15 Nokia Corporation Selection of coding models for encoding an audio signal
WO2006030340A2 (en) 2004-09-17 2006-03-23 Koninklijke Philips Electronics N.V. Combined audio coding minimizing perceptual distortion
EP1881488B1 (en) * 2005-05-11 2010-11-10 Panasonic Corporation Encoder, decoder, and their methods
PT2146344T (pt) * 2008-07-17 2016-10-13 Fraunhofer Ges Forschung Esquema de codificação/descodificação de áudio com uma derivação comutável

Also Published As

Publication number Publication date
PL2165328T3 (pl) 2018-06-29
RU2009143665A (ru) 2011-07-27
AU2008261287A1 (en) 2008-12-18
AU2008261287B2 (en) 2010-12-16
CA2691993A1 (en) 2008-12-18
CN101743586B (zh) 2012-10-17
MY146431A (en) 2012-08-15
CA2691993C (en) 2015-01-27
KR20100024414A (ko) 2010-03-05
US20100262420A1 (en) 2010-10-14
ES2663269T3 (es) 2018-04-11
WO2008151755A1 (en) 2008-12-18
JP5686369B2 (ja) 2015-03-18
TW200912896A (en) 2009-03-16
JP2010530079A (ja) 2010-09-02
EP2165328B1 (en) 2018-01-17
KR101196506B1 (ko) 2012-11-01
AR066959A1 (es) 2009-09-23
TWI371744B (en) 2012-09-01
EP2165328A1 (en) 2010-03-24
CN101743586A (zh) 2010-06-16
US8706480B2 (en) 2014-04-22
MX2009013519A (es) 2010-01-18
RU2439721C2 (ru) 2012-01-10
BRPI0811384A2 (pt) 2017-08-01

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