KR20130069833A - 다중 분해능 스위치드 오디오 부호화/복호화 방법 - Google Patents

다중 분해능 스위치드 오디오 부호화/복호화 방법 Download PDF

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KR20130069833A
KR20130069833A KR1020137011185A KR20137011185A KR20130069833A KR 20130069833 A KR20130069833 A KR 20130069833A KR 1020137011185 A KR1020137011185 A KR 1020137011185A KR 20137011185 A KR20137011185 A KR 20137011185A KR 20130069833 A KR20130069833 A KR 20130069833A
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audio
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막스 노이엔도르프
슈테판 바이에르
예레미 레콤테
길로메 푸치스
율리엔 로빌리아르드
니콜라우스 레텔바흐
프레데릭 나겔
랄프 가이거
마르쿠스 물트루스
베른하르트 그릴
필리페 구르나이
레드완 살라미
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프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베.
보이세지 코포레이션
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Priority claimed from EP09002271A external-priority patent/EP2144230A1/en
Application filed by 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베., 보이세지 코포레이션 filed Critical 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베.
Publication of KR20130069833A publication Critical patent/KR20130069833A/ko

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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
    • G10L19/16—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
    • 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
    • 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
    • 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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring

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  • 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)
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  • Compression, Expansion, Code Conversion, And Decoders (AREA)
KR1020137011185A 2008-10-08 2009-10-07 다중 분해능 스위치드 오디오 부호화/복호화 방법 KR20130069833A (ko)

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US10382508P 2008-10-08 2008-10-08
EP08017663 2008-10-08
EP09002271A EP2144230A1 (en) 2008-07-11 2009-02-18 Low bitrate audio encoding/decoding scheme having cascaded switches
PCT/EP2009/007205 WO2010040522A2 (en) 2008-10-08 2009-10-07 Multi-resolution switched audio encoding/decoding scheme

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KR1020117010644A KR101403115B1 (ko) 2008-10-08 2009-10-07 다중 분해능 스위치드 오디오 부호화/복호화 방법 및 부호화/복호화기
KR1020137031257A KR20130133917A (ko) 2008-10-08 2009-10-07 다중 분해능 스위치드 오디오 부호화/복호화 방법

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KR1020137031257A KR20130133917A (ko) 2008-10-08 2009-10-07 다중 분해능 스위치드 오디오 부호화/복호화 방법

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EP (2) EP2345030A2 (ru)
JP (1) JP5555707B2 (ru)
KR (3) KR20130069833A (ru)
CN (1) CN102177426B (ru)
AR (1) AR076060A1 (ru)
BR (1) BRPI0914056B1 (ru)
CA (1) CA2739736C (ru)
CO (1) CO6362072A2 (ru)
MX (1) MX2011003824A (ru)
MY (1) MY154633A (ru)
RU (1) RU2520402C2 (ru)
TW (2) TWI419148B (ru)
WO (1) WO2010040522A2 (ru)
ZA (1) ZA201102537B (ru)

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WO2010040522A3 (en) 2010-09-02
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JP5555707B2 (ja) 2014-07-23
BRPI0914056B1 (pt) 2019-07-02
TW201142827A (en) 2011-12-01
BRPI0914056A2 (pt) 2015-11-03
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MY154633A (en) 2015-07-15
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