KR101924192B1 - 계층형 정현파 코딩을 이용한 오디오 신호의 인코딩 및 디코딩 방법 및 장치 - Google Patents

계층형 정현파 코딩을 이용한 오디오 신호의 인코딩 및 디코딩 방법 및 장치 Download PDF

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KR101924192B1
KR101924192B1 KR1020100046928A KR20100046928A KR101924192B1 KR 101924192 B1 KR101924192 B1 KR 101924192B1 KR 1020100046928 A KR1020100046928 A KR 1020100046928A KR 20100046928 A KR20100046928 A KR 20100046928A KR 101924192 B1 KR101924192 B1 KR 101924192B1
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sinusoidal
coding
decoding
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subbands
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KR20100124678A (ko
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이미숙
양희식
김현우
성종모
배현주
이병선
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한국전자통신연구원
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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
    • 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
    • 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)
KR1020100046928A 2009-05-19 2010-05-19 계층형 정현파 코딩을 이용한 오디오 신호의 인코딩 및 디코딩 방법 및 장치 Active KR101924192B1 (ko)

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KR20090092701 2009-09-29
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KR1020180147639A Active KR102105305B1 (ko) 2009-05-19 2018-11-26 계층형 정현파 코딩을 이용한 오디오 신호의 인코딩 및 디코딩 방법 및 장치

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US (2) US8805680B2 (enExample)
EP (1) EP2434485A4 (enExample)
JP (1) JP5730860B2 (enExample)
KR (2) KR101924192B1 (enExample)
CN (1) CN102460574A (enExample)
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KR20130036304A (ko) * 2010-07-01 2013-04-11 엘지전자 주식회사 오디오 신호 처리 방법 및 장치
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EP2772913B1 (en) * 2011-10-28 2018-02-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoding apparatus and encoding method
CN107633847B (zh) * 2012-11-05 2020-09-25 松下电器（美国）知识产权公司 语音音响编码装置和语音音响编码方法
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
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Also Published As

Publication number Publication date
CN102460574A (zh) 2012-05-16
EP2434485A4 (en) 2014-03-05
JP2012527637A (ja) 2012-11-08
US20120095754A1 (en) 2012-04-19
KR20100124678A (ko) 2010-11-29
KR102105305B1 (ko) 2020-04-29
US8805680B2 (en) 2014-08-12
EP2434485A2 (en) 2012-03-28
JP5730860B2 (ja) 2015-06-10
WO2010134757A2 (ko) 2010-11-25
US20140324417A1 (en) 2014-10-30
KR20180131518A (ko) 2018-12-10
WO2010134757A3 (ko) 2011-03-03

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