JP4622164B2 - 音響信号符号化方法及び装置 - Google Patents

音響信号符号化方法及び装置 Download PDF

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Publication number
JP4622164B2
JP4622164B2 JP2001182384A JP2001182384A JP4622164B2 JP 4622164 B2 JP4622164 B2 JP 4622164B2 JP 2001182384 A JP2001182384 A JP 2001182384A JP 2001182384 A JP2001182384 A JP 2001182384A JP 4622164 B2 JP4622164 B2 JP 4622164B2
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signal
tone
encoding
acoustic
pure
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JP2002372996A5 (https=
JP2002372996A (ja
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実 辻
志朗 鈴木
恵祐 東山
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Sony Corp
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Sony Corp
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Priority to JP2001182384A priority Critical patent/JP4622164B2/ja
Priority to US10/362,007 priority patent/US7447640B2/en
Priority to KR1020037002141A priority patent/KR100922702B1/ko
Priority to CNB028025245A priority patent/CN1291375C/zh
Priority to PCT/JP2002/005809 priority patent/WO2002103682A1/ja
Publication of JP2002372996A publication Critical patent/JP2002372996A/ja
Publication of JP2002372996A5 publication Critical patent/JP2002372996A5/ja
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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)
JP2001182384A 2001-06-15 2001-06-15 音響信号符号化方法及び装置 Expired - Lifetime JP4622164B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2001182384A JP4622164B2 (ja) 2001-06-15 2001-06-15 音響信号符号化方法及び装置
US10/362,007 US7447640B2 (en) 2001-06-15 2002-06-11 Acoustic signal encoding method and apparatus, acoustic signal decoding method and apparatus and recording medium
KR1020037002141A KR100922702B1 (ko) 2001-06-15 2002-06-11 음향 신호 부호화 방법 및 장치, 음향 신호 복호화 방법및 장치, 및 기록 매체
CNB028025245A CN1291375C (zh) 2001-06-15 2002-06-11 声信号编码方法和设备、解码方法和设备
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

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001182384A JP4622164B2 (ja) 2001-06-15 2001-06-15 音響信号符号化方法及び装置

Publications (3)

Publication Number Publication Date
JP2002372996A JP2002372996A (ja) 2002-12-26
JP2002372996A5 JP2002372996A5 (https=) 2006-03-16
JP4622164B2 true JP4622164B2 (ja) 2011-02-02

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US (1) US7447640B2 (https=)
JP (1) JP4622164B2 (https=)
KR (1) KR100922702B1 (https=)
CN (1) CN1291375C (https=)
WO (1) WO2002103682A1 (https=)

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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
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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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Also Published As

Publication number Publication date
US20040024593A1 (en) 2004-02-05
WO2002103682A1 (fr) 2002-12-27
KR100922702B1 (ko) 2009-10-22
KR20030022894A (ko) 2003-03-17
CN1291375C (zh) 2006-12-20
CN1465044A (zh) 2003-12-31
JP2002372996A (ja) 2002-12-26
US7447640B2 (en) 2008-11-04

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