RU2646357C2 - Принцип для кодирования аудиосигнала и декодирования аудиосигнала с использованием информации формирования речевого спектра - Google Patents

Принцип для кодирования аудиосигнала и декодирования аудиосигнала с использованием информации формирования речевого спектра Download PDF

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RU2646357C2
RU2646357C2 RU2016119010A RU2016119010A RU2646357C2 RU 2646357 C2 RU2646357 C2 RU 2646357C2 RU 2016119010 A RU2016119010 A RU 2016119010A RU 2016119010 A RU2016119010 A RU 2016119010A RU 2646357 C2 RU2646357 C2 RU 2646357C2
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signal
noise
information
gain
spectrum
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RU2016119010A
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RU2016119010A (ru
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Гийом ФУКС
Маркус МУЛЬТРУС
Эммануэль РАВЕЛЛИ
Маркус ШНЕЛЛЬ
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Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф.
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    • 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
    • G10L19/02—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
    • 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
    • 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
    • G10L19/07—Line spectrum pair [LSP] 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
    • 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
    • G10L19/083—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being an excitation gain
    • 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
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/93—Discriminating between voiced and unvoiced parts of speech signals
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0016—Codebook for LPC parameters

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  • 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)
RU2016119010A 2013-10-18 2014-10-10 Принцип для кодирования аудиосигнала и декодирования аудиосигнала с использованием информации формирования речевого спектра RU2646357C2 (ru)

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EPEP13189392.7 2013-10-18
EP13189392 2013-10-18
EP14178788 2014-07-28
EP14178788.7 2014-07-28
PCT/EP2014/071767 WO2015055531A1 (en) 2013-10-18 2014-10-10 Concept for encoding an audio signal and decoding an audio signal using speech related spectral shaping information

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Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2951819B1 (en) * 2013-01-29 2017-03-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer medium for synthesizing an audio signal
CA2927722C (en) * 2013-10-18 2018-08-07 Fraunhofer-Gesellschaft Zur Forderung 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
ES2744904T3 (es) * 2014-05-01 2020-02-26 Nippon Telegraph & Telephone Dispositivo de codificación de señal de sonido, método de codificación de señal de sonido, programa y medio de grabación
CN106575511B (zh) * 2014-07-29 2021-02-23 瑞典爱立信有限公司 用于估计背景噪声的方法和背景噪声估计器
US20190051286A1 (en) * 2017-08-14 2019-02-14 Microsoft Technology Licensing, Llc Normalization of high band signals in network telephony communications
WO2020164753A1 (en) 2019-02-13 2020-08-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Decoder and decoding method selecting an error concealment mode, and encoder and encoding method
CN113129910B (zh) 2019-12-31 2024-07-30 华为技术有限公司 音频信号的编解码方法和编解码装置
CN112002338B (zh) * 2020-09-01 2024-06-21 北京百瑞互联技术股份有限公司 一种优化音频编码量化次数的方法及系统
EP4305618B1 (en) * 2021-03-11 2025-10-08 Dolby Laboratories Licensing Corporation Audio coding with adaptive gain control of downmixed signals
CN114596870A (zh) * 2022-03-07 2022-06-07 广州博冠信息科技有限公司 实时音频处理方法和装置、计算机存储介质、电子设备

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5732389A (en) * 1995-06-07 1998-03-24 Lucent Technologies Inc. Voiced/unvoiced classification of speech for excitation codebook selection in celp speech decoding during frame erasures
EP0967594A1 (en) * 1997-10-22 1999-12-29 Matsushita Electric Industrial Co., Ltd. Sound encoder and sound decoder
US6611800B1 (en) * 1996-09-24 2003-08-26 Sony Corporation Vector quantization method and speech encoding method and apparatus
US20050010402A1 (en) * 2003-07-10 2005-01-13 Sung Ho Sang Wide-band speech coder/decoder and method thereof
RU2012130472A (ru) * 2009-04-03 2013-09-10 Нтт Докомо, Инк. Устройство кодирования речи, устройство декодирования речи, способ кодирования речи, способ декодирования речи, программа кодирования речи и программа декодирования речи

Family Cites Families (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2010830C (en) 1990-02-23 1996-06-25 Jean-Pierre Adoul Dynamic codebook for efficient speech coding based on algebraic codes
CA2108623A1 (en) * 1992-11-02 1994-05-03 Yi-Sheng Wang Adaptive pitch pulse enhancer and method for use in a codebook excited linear prediction (celp) search loop
JP3099852B2 (ja) * 1993-01-07 2000-10-16 日本電信電話株式会社 励振信号の利得量子化方法
US5864797A (en) * 1995-05-30 1999-01-26 Sanyo Electric Co., Ltd. Pitch-synchronous speech coding by applying multiple analysis to select and align a plurality of types of code vectors
GB9512284D0 (en) * 1995-06-16 1995-08-16 Nokia Mobile Phones Ltd Speech Synthesiser
JP3747492B2 (ja) 1995-06-20 2006-02-22 ソニー株式会社 音声信号の再生方法及び再生装置
JPH1020891A (ja) * 1996-07-09 1998-01-23 Sony Corp 音声符号化方法及び装置
US6131084A (en) * 1997-03-14 2000-10-10 Digital Voice Systems, Inc. Dual subframe quantization of spectral magnitudes
JPH11122120A (ja) * 1997-10-17 1999-04-30 Sony Corp 符号化方法及び装置、並びに復号化方法及び装置
DE69736446T2 (de) 1997-12-24 2007-03-29 Mitsubishi Denki K.K. Audio Dekodierverfahren und -vorrichtung
US6415252B1 (en) 1998-05-28 2002-07-02 Motorola, Inc. Method and apparatus for coding and decoding speech
US7110943B1 (en) 1998-06-09 2006-09-19 Matsushita Electric Industrial Co., Ltd. Speech coding apparatus and speech decoding apparatus
US6067511A (en) * 1998-07-13 2000-05-23 Lockheed Martin Corp. LPC speech synthesis using harmonic excitation generator with phase modulator for voiced speech
US6192335B1 (en) 1998-09-01 2001-02-20 Telefonaktieboiaget Lm Ericsson (Publ) Adaptive combining of multi-mode coding for voiced speech and noise-like signals
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
US6311154B1 (en) 1998-12-30 2001-10-30 Nokia Mobile Phones Limited Adaptive windows for analysis-by-synthesis CELP-type speech coding
JP3451998B2 (ja) * 1999-05-31 2003-09-29 日本電気株式会社 無音声符号化を含む音声符号化・復号装置、復号化方法及びプログラムを記録した記録媒体
US6615169B1 (en) * 2000-10-18 2003-09-02 Nokia Corporation High frequency enhancement layer coding in wideband speech codec
DE10124420C1 (de) 2001-05-18 2002-11-28 Siemens Ag Verfahren zur Codierung und zur Übertragung von Sprachsignalen
US6871176B2 (en) * 2001-07-26 2005-03-22 Freescale Semiconductor, Inc. Phase excited linear prediction encoder
EP1619664B1 (en) 2003-04-30 2012-01-25 Panasonic Corporation Speech coding apparatus, speech decoding apparatus and methods thereof
RU2316059C2 (ru) 2003-05-01 2008-01-27 Нокиа Корпорейшн Способ и устройство для квантования усиления в широкополосном речевом кодировании с переменной битовой скоростью передачи
JP4899359B2 (ja) * 2005-07-11 2012-03-21 ソニー株式会社 信号符号化装置及び方法、信号復号装置及び方法、並びにプログラム及び記録媒体
US8271274B2 (en) 2006-02-22 2012-09-18 France Telecom Coding/decoding of a digital audio signal, in CELP technique
US8712766B2 (en) * 2006-05-16 2014-04-29 Motorola Mobility Llc Method and system for coding an information signal using closed loop adaptive bit allocation
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
CN101971251B (zh) 2008-03-14 2012-08-08 杜比实验室特许公司 像言语的信号和不像言语的信号的多模式编解码方法及装置
EP2144231A1 (en) 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Low bitrate audio encoding/decoding scheme with common preprocessing
JP5148414B2 (ja) * 2008-08-29 2013-02-20 株式会社東芝 信号帯域拡張装置
RU2400832C2 (ru) 2008-11-24 2010-09-27 Государственное образовательное учреждение высшего профессионального образования Академия Федеральной службы охраны Российской Федерации (Академия ФCО России) Способ формирования сигнала возбуждения в низкоскоростных вокодерах с линейным предсказанием
GB2466671B (en) * 2009-01-06 2013-03-27 Skype Speech encoding
DE20163502T1 (de) 2011-02-15 2020-12-10 Voiceage Evs Gmbh & Co. Kg Vorrichtung und verfahren zur quantisierung der verstärkung von adaptiven und festen beiträgen der anregung in einem celp-koder-dekoder
US9972325B2 (en) 2012-02-17 2018-05-15 Huawei Technologies Co., Ltd. System and method for mixed codebook excitation for speech coding
CN103295578B (zh) 2012-03-01 2016-05-18 华为技术有限公司 一种语音频信号处理方法和装置
PT3058568T (pt) 2013-10-18 2021-03-04 Fraunhofer Ges Forschung Conceito para codificar um sinal de áudio e descodificar um sinal de áudio usando informação de modelação espectral relacionada com a fala
CA2927722C (en) * 2013-10-18 2018-08-07 Fraunhofer-Gesellschaft Zur Forderung 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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5732389A (en) * 1995-06-07 1998-03-24 Lucent Technologies Inc. Voiced/unvoiced classification of speech for excitation codebook selection in celp speech decoding during frame erasures
US6611800B1 (en) * 1996-09-24 2003-08-26 Sony Corporation Vector quantization method and speech encoding method and apparatus
EP0967594A1 (en) * 1997-10-22 1999-12-29 Matsushita Electric Industrial Co., Ltd. Sound encoder and sound decoder
US20050010402A1 (en) * 2003-07-10 2005-01-13 Sung Ho Sang Wide-band speech coder/decoder and method thereof
RU2012130472A (ru) * 2009-04-03 2013-09-10 Нтт Докомо, Инк. Устройство кодирования речи, устройство декодирования речи, способ кодирования речи, способ декодирования речи, программа кодирования речи и программа декодирования речи

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PL3058568T3 (pl) 2021-07-05
US10909997B2 (en) 2021-02-02
ES2856199T3 (es) 2021-09-27
EP3058568B1 (en) 2021-01-13
ES3044088T3 (en) 2025-11-26
JP6366706B2 (ja) 2018-08-01
CN111370009B (zh) 2023-12-22
EP3806094A1 (en) 2021-04-14
PL3806094T3 (pl) 2026-02-02
BR112016008662B1 (pt) 2022-06-14
EP3806094C0 (en) 2025-08-06
CN105745705B (zh) 2020-03-20
JP2016533528A (ja) 2016-10-27
CA2927716C (en) 2020-09-01
US20160232909A1 (en) 2016-08-11
KR20160073398A (ko) 2016-06-24
MX2016004923A (es) 2016-07-11
EP4632735A2 (en) 2025-10-15
CA2927716A1 (en) 2015-04-23
US20210098010A1 (en) 2021-04-01
SG11201603000SA (en) 2016-05-30
ZA201603158B (en) 2017-11-29
AU2014336356A1 (en) 2016-05-19
US10373625B2 (en) 2019-08-06
TW201528255A (zh) 2015-07-16
EP3806094B1 (en) 2025-08-06
US11881228B2 (en) 2024-01-23
CN111370009A (zh) 2020-07-03
US20190333529A1 (en) 2019-10-31
WO2015055531A1 (en) 2015-04-23
KR101849613B1 (ko) 2018-04-18
TWI575512B (zh) 2017-03-21
EP3058568A1 (en) 2016-08-24
BR112016008662A2 (https=) 2017-08-01
MX355091B (es) 2018-04-04
CN105745705A (zh) 2016-07-06
RU2016119010A (ru) 2017-11-23
EP4632735A3 (en) 2025-12-17
MY180722A (en) 2020-12-07
AU2014336356B2 (en) 2017-04-06

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