MX347316B - Aparato y método para sintetizar una señal de audio, decodificador, codificador, sistema y programa de computación. - Google Patents

Aparato y método para sintetizar una señal de audio, decodificador, codificador, sistema y programa de computación.

Info

Publication number
MX347316B
MX347316B MX2015009749A MX2015009749A MX347316B MX 347316 B MX347316 B MX 347316B MX 2015009749 A MX2015009749 A MX 2015009749A MX 2015009749 A MX2015009749 A MX 2015009749A MX 347316 B MX347316 B MX 347316B
Authority
MX
Mexico
Prior art keywords
audio signal
synthesizing
decoder
encoder
computer program
Prior art date
Application number
MX2015009749A
Other languages
English (en)
Other versions
MX2015009749A (es
Inventor
Geiger Ralf
Fuchs Guillaume
Bäckström Tom
Jaegers Wolfgang
Ravelli Emmanuel
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 MX2015009749A publication Critical patent/MX2015009749A/es
Publication of MX347316B publication Critical patent/MX347316B/es

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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/087—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using mixed excitation models, e.g. MELP, MBE, split band LPC or HVXC
    • 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
    • G10L19/04—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
    • 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
    • G10L19/26—Pre-filtering or post-filtering
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients

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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)

Abstract

Se describen un método y un aparato para sintetizar una señal de audio. Se aplica una pendiente espectral al código de un libro de códigos (202) utilizado para sintetizar una trama actual de la señal de audio. La pendiente espectral está basada en la pendiente espectral de la trama actual de la señal de audio. Asimismo, se describe un decodificador de audio que opera de acuerdo con el enfoque de la invención.
MX2015009749A 2013-01-29 2014-01-28 Aparato y método para sintetizar una señal de audio, decodificador, codificador, sistema y programa de computación. MX347316B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361758098P 2013-01-29 2013-01-29
PCT/EP2014/051592 WO2014118156A1 (en) 2013-01-29 2014-01-28 Apparatus and method for synthesizing an audio signal, decoder, encoder, system and computer program

Publications (2)

Publication Number Publication Date
MX2015009749A MX2015009749A (es) 2015-11-06
MX347316B true MX347316B (es) 2017-04-21

Family

ID=50033504

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2015009749A MX347316B (es) 2013-01-29 2014-01-28 Aparato y método para sintetizar una señal de audio, decodificador, codificador, sistema y programa de computación.

Country Status (19)

Country Link
US (3) US10431232B2 (es)
EP (1) EP2951819B1 (es)
JP (1) JP6082126B2 (es)
KR (1) KR101737254B1 (es)
CN (1) CN105009210B (es)
AR (1) AR094683A1 (es)
AU (1) AU2014211524B2 (es)
BR (1) BR112015018023B1 (es)
CA (1) CA2899059C (es)
ES (1) ES2626977T3 (es)
MX (1) MX347316B (es)
MY (1) MY183444A (es)
PL (1) PL2951819T3 (es)
PT (1) PT2951819T (es)
RU (1) RU2618919C2 (es)
SG (1) SG11201505903UA (es)
TW (1) TWI544481B (es)
WO (1) WO2014118156A1 (es)
ZA (1) ZA201506318B (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6082126B2 (ja) * 2013-01-29 2017-02-15 フラウンホーファーゲゼルシャフト ツール フォルデルング デル アンゲヴァンテン フォルシユング エー．フアー． 音声信号を合成するための装置及び方法、デコーダ、エンコーダ、システム及びコンピュータプログラム
BR112021012753A2 (pt) * 2019-01-13 2021-09-08 Huawei Technologies Co., Ltd. Método implementado por computador para codificação de áudio, dispositivo eletrônico e meio legível por computador não transitório

Family Cites Families (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5664055A (en) * 1995-06-07 1997-09-02 Lucent Technologies Inc. CS-ACELP speech compression system with adaptive pitch prediction filter gain based on a measure of periodicity
JP3522012B2 (ja) * 1995-08-23 2004-04-26 沖電気工業株式会社 コード励振線形予測符号化装置
US6134518A (en) * 1997-03-04 2000-10-17 International Business Machines Corporation Digital audio signal coding using a CELP coder and a transform coder
US6385573B1 (en) * 1998-08-24 2002-05-07 Conexant Systems, Inc. Adaptive tilt compensation for synthesized speech residual
US6240386B1 (en) * 1998-08-24 2001-05-29 Conexant Systems, Inc. Speech codec employing noise classification for noise compensation
US6480822B2 (en) * 1998-08-24 2002-11-12 Conexant Systems, Inc. Low complexity random codebook structure
US6463410B1 (en) * 1998-10-13 2002-10-08 Victor Company Of Japan, Ltd. Audio signal processing apparatus
CA2252170A1 (en) 1998-10-27 2000-04-27 Bruno Bessette A method and device for high quality coding of wideband speech and audio signals
US6242748B1 (en) 1999-08-10 2001-06-05 Edax, Inc. Methods and apparatus for mounting an X-ray detecting unit to an electron microscope
US6782360B1 (en) 1999-09-22 2004-08-24 Mindspeed Technologies, Inc. Gain quantization for a CELP speech coder
US6678651B2 (en) * 2000-09-15 2004-01-13 Mindspeed Technologies, Inc. Short-term enhancement in CELP speech coding
US6996523B1 (en) 2001-02-13 2006-02-07 Hughes Electronics Corporation Prototype waveform magnitude quantization for a frequency domain interpolative speech codec system
WO2003097258A1 (en) 2002-05-20 2003-11-27 Matsushita Electric Industrial Co., Ltd. Washing method and washing device
US20060089836A1 (en) * 2004-10-21 2006-04-27 Motorola, Inc. System and method of signal pre-conditioning with adaptive spectral tilt compensation for audio equalization
US7475103B2 (en) 2005-03-17 2009-01-06 Qualcomm Incorporated Efficient check node message transform approximation for LDPC decoder
US8260611B2 (en) * 2005-04-01 2012-09-04 Qualcomm Incorporated Systems, methods, and apparatus for highband excitation generation
PT1875463T (pt) * 2005-04-22 2019-01-24 Qualcomm Inc Sistemas, métodos e aparelho para nivelamento de fator de ganho
EP1722360B1 (en) 2005-05-13 2014-03-19 Harman Becker Automotive Systems GmbH Audio enhancement system and method
US7454335B2 (en) * 2006-03-20 2008-11-18 Mindspeed Technologies, Inc. Method and system for reducing effects of noise producing artifacts in a voice codec
US8725499B2 (en) * 2006-07-31 2014-05-13 Qualcomm Incorporated Systems, methods, and apparatus for signal change detection
WO2008032828A1 (en) * 2006-09-15 2008-03-20 Panasonic Corporation Audio encoding device and audio encoding method
EP2165328B1 (en) * 2007-06-11 2018-01-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoding and decoding of an audio signal having an impulse-like portion and a stationary portion
US8209190B2 (en) * 2007-10-25 2012-06-26 Motorola Mobility, Inc. Method and apparatus for generating an enhancement layer within an audio coding system
BRPI0904958B1 (pt) * 2008-07-11 2020-03-03 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Aparelho e método para calcular dados de extensão de largura de banda usando um quadro controlado por inclinação espectral
WO2011048094A1 (en) * 2009-10-20 2011-04-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multi-mode audio codec and celp coding adapted therefore
RU2547238C2 (ru) * 2010-04-14 2015-04-10 Войсэйдж Корпорейшн Гибкая и масштабируемая комбинированная обновляющая кодовая книга для использования в кодере и декодере celp
KR101461774B1 (ko) * 2010-05-25 2014-12-02 노키아 코포레이션 대역폭 확장기
US8600737B2 (en) * 2010-06-01 2013-12-03 Qualcomm Incorporated Systems, methods, apparatus, and computer program products for wideband speech coding
US9706314B2 (en) * 2010-11-29 2017-07-11 Wisconsin Alumni Research Foundation System and method for selective enhancement of speech signals
JP5328883B2 (ja) * 2011-12-02 2013-10-30 パナソニック株式会社 Ｃｅｌｐ型音声復号化装置およびｃｅｌｐ型音声復号化方法
JP6082126B2 (ja) * 2013-01-29 2017-02-15 フラウンホーファーゲゼルシャフト ツール フォルデルング デル アンゲヴァンテン フォルシユング エー．フアー． 音声信号を合成するための装置及び方法、デコーダ、エンコーダ、システム及びコンピュータプログラム
ES2799773T3 (es) * 2013-01-29 2020-12-21 Fraunhofer Ges Forschung Llenado de ruido sin información secundaria para codificadores tipo CELP
RU2641461C2 (ru) * 2013-01-29 2018-01-17 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Аудиокодер, аудиодекодер, способ обеспечения кодированной аудиоинформации, способ обеспечения декодированной аудиоинформации, компьютерная программа и кодированное представление с использованием сигнально-адаптивного расширения полосы пропускания
CA2898024C (en) * 2013-01-29 2018-09-11 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Noise filling concept
US9842598B2 (en) * 2013-02-21 2017-12-12 Qualcomm Incorporated Systems and methods for mitigating potential frame instability
ES2839086T3 (es) * 2013-10-18 2021-07-05 Fraunhofer Ges Forschung Concepto para codificar una señal de audio y decodificar una señal de audio usando información determinista y con características de ruido
BR112016008662B1 (pt) * 2013-10-18 2022-06-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V Método, decodificador e codificador para codificação e decodificação de um sinal de áudio utilizando informação de modulação espectral relacionada com a fala
CN104751849B (zh) * 2013-12-31 2017-04-19 华为技术有限公司 语音频码流的解码方法及装置
FR3017484A1 (fr) * 2014-02-07 2015-08-14 Orange Extension amelioree de bande de frequence dans un decodeur de signaux audiofrequences
US9672843B2 (en) * 2014-05-29 2017-06-06 Apple Inc. Apparatus and method for improving an audio signal in the spectral domain
US9373342B2 (en) * 2014-06-23 2016-06-21 Nuance Communications, Inc. System and method for speech enhancement on compressed speech
CN106228991B (zh) * 2014-06-26 2019-08-20 华为技术有限公司 编解码方法、装置及系统
CN106486129B (zh) * 2014-06-27 2019-10-25 华为技术有限公司 一种音频编码方法和装置

Also Published As

Publication number Publication date
US11996110B2 (en) 2024-05-28
RU2618919C2 (ru) 2017-05-12
AR094683A1 (es) 2015-08-19
ZA201506318B (en) 2016-07-27
PT2951819T (pt) 2017-06-06
US10431232B2 (en) 2019-10-01
JP6082126B2 (ja) 2017-02-15
RU2015136788A (ru) 2017-03-06
JP2016509694A (ja) 2016-03-31
KR101737254B1 (ko) 2017-05-17
PL2951819T3 (pl) 2017-08-31
AU2014211524A1 (en) 2015-09-17
WO2014118156A1 (en) 2014-08-07
BR112015018023A2 (es) 2017-08-22
US20220293114A1 (en) 2022-09-15
ES2626977T3 (es) 2017-07-26
HK1217564A1 (en) 2017-01-13
EP2951819A1 (en) 2015-12-09
TWI544481B (zh) 2016-08-01
CA2899059C (en) 2018-05-15
AU2014211524B2 (en) 2016-07-07
CA2899059A1 (en) 2014-08-07
MY183444A (en) 2021-02-18
TW201435862A (zh) 2014-09-16
US20150332694A1 (en) 2015-11-19
US11373664B2 (en) 2022-06-28
BR112015018023B1 (pt) 2022-06-07
CN105009210A (zh) 2015-10-28
EP2951819B1 (en) 2017-03-01
KR20150112028A (ko) 2015-10-06
MX2015009749A (es) 2015-11-06
US20190378528A1 (en) 2019-12-12
SG11201505903UA (en) 2015-08-28
CN105009210B (zh) 2018-04-10

Similar Documents

Publication Publication Date Title
MX351577B (es) Aparato y método para realizar un desvanecimiento de un espectro mdct a ruido blanco antes de aplicar fdns.
MX354657B (es) Codificador de audio, decodificador de audio y métodos relacionados que usan procesamiento de dos canales dentro de un marco de relleno inteligente de espacios.
MX2022015201A (es) Codificador y decodificador de audio con programa de informacion o metadatos de la estructura de la subcorriente.
MY193854A (en) Audio decoder with program loudness and boundary metadata
MY188538A (en) Decoding device, method, and program
MY195412A (en) Multi-Channel Audio Decoder, Multi-Channel Audio Encoder, Methods, Computer Program and Encoded Audio Representation Using a Decorrelation of Rendered Audio Signals
MY192214A (en) Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal
EP4300488A3 (en) Stereo audio encoder and decoder
MY185176A (en) Audio encoder, audio decoder, method for providing an encoded audio information, method for providing a decoded audio information, computer program and encoded representation using a signal-adaptive bandwidth extension
EP4629235A3 (en) Noise filling in multichannel audio coding
MX378540B (es) Aparato codificador, metodo de codificacion, aparato decodificador, metodo de decodificacion, y programa.
MY196084A (en) Audio Encoder And Decoder
EP4358085A3 (en) Signal processing device, method, and program
MX353703B (es) Método y aparato para decodificar una señal de audio codificada con bajos recursos computacionales.
MX360729B (es) Decodificador de audio, método y programa de computación que utiliza una respuesta de entrada cero para obtener una transición suave.
MY183933A (en) Apparatus and methods of switching coding technologies at a device
EP4462427A3 (en) Method and apparatus for decoding speech/audio bitstream
EP4390920A3 (en) Inter-channel phase difference parameter encoding method and apparatus
MY183444A (en) Apparatus and method for synthesizing an audio signal, decoder, encoder, system and computer program
MY193553A (en) Audio coding method and related apparatus
MY172712A (en) Apparatus and method for processing an encoded signal and encoder and method for generating an encoded signal

Legal Events

Date Code Title Description
FG Grant or registration