KR100922702B1 - 음향 신호 부호화 방법 및 장치, 음향 신호 복호화 방법및 장치, 및 기록 매체 - Google Patents

음향 신호 부호화 방법 및 장치, 음향 신호 복호화 방법및 장치, 및 기록 매체 Download PDF

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KR100922702B1
KR100922702B1 KR1020037002141A KR20037002141A KR100922702B1 KR 100922702 B1 KR100922702 B1 KR 100922702B1 KR 1020037002141 A KR1020037002141 A KR 1020037002141A KR 20037002141 A KR20037002141 A KR 20037002141A KR 100922702 B1 KR100922702 B1 KR 100922702B1
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signal
time series
tone
residual
encoding
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KR20030022894A (ko
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츠지미노루
스즈키시로
토요마케이스케
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소니 가부시끼 가이샤
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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
    • G10L19/02—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
    • G10L19/08—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
    • G10L19/04—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
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (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)
KR1020037002141A 2001-06-15 2002-06-11 음향 신호 부호화 방법 및 장치, 음향 신호 복호화 방법및 장치, 및 기록 매체 Expired - Fee Related KR100922702B1 (ko)

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JPJP-P-2001-00182384 2001-06-15
JP2001182384A JP4622164B2 (ja) 2001-06-15 2001-06-15 音響信号符号化方法及び装置
PCT/JP2002/005809 WO2002103682A1 (fr) 2001-06-15 2002-06-11 Procede et appareil de codage de signaux acoustiques, procede et appareil de decodage de signaux acoustiques et support d'enregistrement

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KR100922702B1 true KR100922702B1 (ko) 2009-10-22

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KR100707174B1 (ko) * 2004-12-31 2007-04-13 삼성전자주식회사 광대역 음성 부호화 및 복호화 시스템에서 고대역 음성부호화 및 복호화 장치와 그 방법
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JP4606264B2 (ja) * 2005-07-19 2011-01-05 三洋電機株式会社 ノイズキャンセラ
US20070033042A1 (en) * 2005-08-03 2007-02-08 International Business Machines Corporation Speech detection fusing multi-class acoustic-phonetic, and energy features
US7962340B2 (en) * 2005-08-22 2011-06-14 Nuance Communications, Inc. Methods and apparatus for buffering data for use in accordance with a speech recognition system
US8620644B2 (en) * 2005-10-26 2013-12-31 Qualcomm Incorporated Encoder-assisted frame loss concealment techniques for audio coding
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
KR101411901B1 (ko) * 2007-06-12 2014-06-26 삼성전자주식회사 오디오 신호의 부호화/복호화 방법 및 장치
CN101488344B (zh) * 2008-01-16 2011-09-21 华为技术有限公司 一种量化噪声泄漏控制方法及装置
CN101521010B (zh) * 2008-02-29 2011-10-05 华为技术有限公司 一种音频信号的编解码方法和装置
CN101615395B (zh) * 2008-12-31 2011-01-12 华为技术有限公司 信号编码、解码方法及装置、系统
US9812141B2 (en) * 2010-01-08 2017-11-07 Nippon Telegraph And Telephone Corporation Encoding method, decoding method, encoder apparatus, decoder apparatus, and recording medium for processing pitch periods corresponding to time series signals
US10312933B1 (en) 2014-01-15 2019-06-04 Sprint Spectrum L.P. Chord modulation communication system
EP3000110B1 (en) * 2014-07-28 2016-12-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Selection of one of a first encoding algorithm and a second encoding algorithm using harmonics reduction
EP3182410A3 (en) * 2015-12-18 2017-11-01 Dolby International AB Enhanced block switching and bit allocation for improved transform audio coding
US12254889B2 (en) 2019-01-03 2025-03-18 Dolby International Ab Method, apparatus and system for hybrid speech synthesis
CN109817196B (zh) * 2019-01-11 2021-06-08 安克创新科技股份有限公司 一种噪音消除方法、装置、系统、设备及存储介质
CN113724725B (zh) * 2021-11-04 2022-01-18 北京百瑞互联技术有限公司 一种蓝牙音频啸叫检测抑制方法、装置、介质及蓝牙设备
KR20240161342A (ko) * 2023-05-04 2024-11-12 한국전자통신연구원 오디오 신호의 부호화/복호화 방법 및 장치

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US20040024593A1 (en) 2004-02-05
WO2002103682A1 (fr) 2002-12-27
KR20030022894A (ko) 2003-03-17
CN1291375C (zh) 2006-12-20
JP4622164B2 (ja) 2011-02-02
CN1465044A (zh) 2003-12-31
JP2002372996A (ja) 2002-12-26
US7447640B2 (en) 2008-11-04

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