KR101250309B1 - 에일리어싱 스위치 기법을 이용하여 오디오 신호를 인코딩/디코딩하는 장치 및 방법 - Google Patents

에일리어싱 스위치 기법을 이용하여 오디오 신호를 인코딩/디코딩하는 장치 및 방법 Download PDF

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KR101250309B1
KR101250309B1 KR1020117000636A KR20117000636A KR101250309B1 KR 101250309 B1 KR101250309 B1 KR 101250309B1 KR 1020117000636 A KR1020117000636 A KR 1020117000636A KR 20117000636 A KR20117000636 A KR 20117000636A KR 101250309 B1 KR101250309 B1 KR 101250309B1
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aliasing
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audio signal
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KR20110040823A (ko
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기윰 푹스
예레미 레콤터
슈테판 바이어
랄프 가이거
마쿠스 물트루스
게랄드 슐러
옌스 힐쉬펠드
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프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베.
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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
    • 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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • 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

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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)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
KR1020117000636A 2008-07-11 2009-06-17 에일리어싱 스위치 기법을 이용하여 오디오 신호를 인코딩/디코딩하는 장치 및 방법 Active KR101250309B1 (ko)

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US7985208P 2008-07-11 2008-07-11
US61/079,852 2008-07-11
PCT/EP2009/004374 WO2010003532A1 (en) 2008-07-11 2009-06-17 Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme

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KR101250309B1 true KR101250309B1 (ko) 2013-04-04

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WO2010003532A1 (en) 2010-01-14
PL2301020T3 (pl) 2013-06-28
KR20110040823A (ko) 2011-04-20
RU2492530C2 (ru) 2013-09-10
TW201011737A (en) 2010-03-16
MX2011000373A (es) 2011-03-15
CN102089812A (zh) 2011-06-08
CA2730355C (en) 2016-03-22
AR072479A1 (es) 2010-09-01
RU2011102426A (ru) 2012-07-27
BRPI0910783A2 (pt) 2020-11-03
CO6341672A2 (es) 2011-11-21
US8862480B2 (en) 2014-10-14
JP2011527446A (ja) 2011-10-27
AU2009267518A1 (en) 2010-01-14
CA2730355A1 (en) 2010-01-14
AU2009267518B2 (en) 2012-08-16
ES2401487T3 (es) 2013-04-22
ZA201009259B (en) 2011-09-28
JP5551693B2 (ja) 2014-07-16
MY152252A (en) 2014-09-15
TWI426503B (zh) 2014-02-11
HK1155842A1 (en) 2012-05-25
EP2301020A1 (en) 2011-03-30
US20110173009A1 (en) 2011-07-14
EP2301020B1 (en) 2013-01-02
BRPI0910783B1 (pt) 2024-02-27

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