KR101701081B1 - 제 1 오디오 인코딩 알고리즘 및 제 2 오디오 인코딩 알고리즘 중 하나를 선택하기 위한 장치 및 방법 - Google Patents

제 1 오디오 인코딩 알고리즘 및 제 2 오디오 인코딩 알고리즘 중 하나를 선택하기 위한 장치 및 방법 Download PDF

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KR101701081B1
KR101701081B1 KR1020157020596A KR20157020596A KR101701081B1 KR 101701081 B1 KR101701081 B1 KR 101701081B1 KR 1020157020596 A KR1020157020596 A KR 1020157020596A KR 20157020596 A KR20157020596 A KR 20157020596A KR 101701081 B1 KR101701081 B1 KR 101701081B1
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audio signal
estimated
adaptive codebook
encoding
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KR20150108848A (ko
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엠마누엘 라벨리
스테판 돌라
기욤 푹스
엘레니 포토포울로우
크리스티안 헴리히
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프라운호퍼-게젤샤프트 츄어 푀르더룽 데어 안게반텐 포르슝에.파우.
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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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • G10L19/125—Pitch excitation, e.g. pitch synchronous innovation CELP [PSI-CELP]
    • 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
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] 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
    • 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
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
    • 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
    • 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
    • G10L19/04—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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
KR1020157020596A 2013-01-29 2014-01-28 제 1 오디오 인코딩 알고리즘 및 제 2 오디오 인코딩 알고리즘 중 하나를 선택하기 위한 장치 및 방법 Active KR101701081B1 (ko)

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US201361758100P 2013-01-29 2013-01-29
US61/758,100 2013-01-29
PCT/EP2014/051557 WO2014118136A1 (en) 2013-01-29 2014-01-28 Apparatus and method for selecting one of a first audio encoding algorithm and a second audio encoding algorithm

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TW201434037A (zh) 2014-09-01
JP6148810B2 (ja) 2017-06-14
US20200227059A1 (en) 2020-07-16
PL2951820T3 (pl) 2017-06-30
RU2015136467A (ru) 2017-03-07
PT2951820T (pt) 2017-03-02
EP2951820A1 (en) 2015-12-09
ES2616434T3 (es) 2017-06-13
TWI549120B (zh) 2016-09-11
KR20150108848A (ko) 2015-09-30
BR112015018021B1 (pt) 2022-10-11
CN110517700A (zh) 2019-11-29
CA2899013C (en) 2017-11-07
BR112015018021A2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 2017-07-11
HK1218461A1 (en) 2017-02-17
MY189267A (en) 2022-01-31
CA2899013A1 (en) 2014-08-07
AR094676A1 (es) 2015-08-19
US11908485B2 (en) 2024-02-20
US20190103121A1 (en) 2019-04-04
US20230079574A1 (en) 2023-03-16
US10622000B2 (en) 2020-04-14
EP2951820B1 (en) 2016-12-07
MX2015009745A (es) 2015-11-06
AU2014211583A1 (en) 2015-09-17
WO2014118136A1 (en) 2014-08-07
AU2014211583B2 (en) 2017-01-05
JP2016505902A (ja) 2016-02-25
US11521631B2 (en) 2022-12-06
SG11201505947XA (en) 2015-09-29
RU2618848C2 (ru) 2017-05-12
CN105229736A (zh) 2016-01-06
CN110517700B (zh) 2023-06-09
MX347410B (es) 2017-04-26
US20150332698A1 (en) 2015-11-19
CN105229736B (zh) 2019-07-19

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