CN102460574A - 用于使用层级正弦脉冲编码对音频信号进行编码和解码的方法和设备 - Google Patents

用于使用层级正弦脉冲编码对音频信号进行编码和解码的方法和设备 Download PDF

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Publication number
CN102460574A
CN102460574A CN2010800323313A CN201080032331A CN102460574A CN 102460574 A CN102460574 A CN 102460574A CN 2010800323313 A CN2010800323313 A CN 2010800323313A CN 201080032331 A CN201080032331 A CN 201080032331A CN 102460574 A CN102460574 A CN 102460574A
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sinusoidal pulse
encoding
decoding
information
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Chinese (zh)
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李美淑
梁熙植
金炫佑
成钟模
裵贤珠
李炳墡
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Electronics and Telecommunications Research Institute ETRI
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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
    • G10L19/0212—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 using orthogonal transformation
    • 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
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding

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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)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN2010800323313A 2009-05-19 2010-05-19 用于使用层级正弦脉冲编码对音频信号进行编码和解码的方法和设备 Pending CN102460574A (zh)

Applications Claiming Priority (5)

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KR20090043475 2009-05-19
KR10-2009-0043475 2009-05-19
KR20090092701 2009-09-29
KR10-2009-0092701 2009-09-29
PCT/KR2010/003167 WO2010134757A2 (ko) 2009-05-19 2010-05-19 계층형 정현파 펄스 코딩을 이용한 오디오 신호의 인코딩 및 디코딩 방법 및 장치

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CN102460574A true CN102460574A (zh) 2012-05-16

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US (2) US8805680B2 (https=)
EP (1) EP2434485A4 (https=)
JP (1) JP5730860B2 (https=)
KR (2) KR101924192B1 (https=)
CN (1) CN102460574A (https=)
WO (1) WO2010134757A2 (https=)

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CN102985968B (zh) * 2010-07-01 2015-12-02 Lg电子株式会社 处理音频信号的方法和装置
WO2013048171A2 (ko) 2011-09-28 2013-04-04 엘지전자 주식회사 음성 신호 부호화 방법 및 음성 신호 복호화 방법 그리고 이를 이용하는 장치
EP2772913B1 (en) * 2011-10-28 2018-02-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoding apparatus and encoding method
EP3584791B1 (en) * 2012-11-05 2023-10-18 Panasonic Holdings Corporation Speech audio encoding device and speech audio encoding method
JP2018110362A (ja) * 2017-01-06 2018-07-12 ローム株式会社 オーディオ信号処理回路、それを用いた車載オーディオシステム、オーディオコンポーネント装置、電子機器、オーディオ信号処理方法
JP6410890B2 (ja) * 2017-07-04 2018-10-24 Kddi株式会社 音声合成装置、音声合成方法および音声合成プログラム
IL290684B2 (en) * 2019-09-03 2025-12-01 Dolby Laboratories Licensing Corp Low-latency, low-frequency effects codec

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CN1547734A (zh) * 2002-05-20 2004-11-17 ������������ʽ���� 音响信号编码方法及设备、音响信号解码方法及设备、程序及记录介质
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JP5730860B2 (ja) 2015-06-10
KR101924192B1 (ko) 2018-11-30
WO2010134757A2 (ko) 2010-11-25
KR20100124678A (ko) 2010-11-29
JP2012527637A (ja) 2012-11-08
KR20180131518A (ko) 2018-12-10
EP2434485A2 (en) 2012-03-28
EP2434485A4 (en) 2014-03-05
US20140324417A1 (en) 2014-10-30
KR102105305B1 (ko) 2020-04-29
WO2010134757A3 (ko) 2011-03-03
US20120095754A1 (en) 2012-04-19
US8805680B2 (en) 2014-08-12

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