KR102388687B1 - 변환 코딩/디코딩으로부터 예측 코딩/디코딩으로의 천이 - Google Patents

변환 코딩/디코딩으로부터 예측 코딩/디코딩으로의 천이 Download PDF

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KR102388687B1
KR102388687B1 KR1020217018976A KR20217018976A KR102388687B1 KR 102388687 B1 KR102388687 B1 KR 102388687B1 KR 1020217018976 A KR1020217018976 A KR 1020217018976A KR 20217018976 A KR20217018976 A KR 20217018976A KR 102388687 B1 KR102388687 B1 KR 102388687B1
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decoding
frame
coefficients
filter
coding
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KR20210077807A (ko
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줄리엔 파우레
스테파니 라고트
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오렌지
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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
    • G10L19/04—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
    • 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
    • G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
    • 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
    • G10L19/26—Pre-filtering or post-filtering
    • 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
    • G10L19/04—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)
KR1020217018976A 2013-11-15 2014-11-14 변환 코딩/디코딩으로부터 예측 코딩/디코딩으로의 천이 Active KR102388687B1 (ko)

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Application Number Priority Date Filing Date Title
FR1361243A FR3013496A1 (fr) 2013-11-15 2013-11-15 Transition d'un codage/decodage par transformee vers un codage/decodage predictif
FR1361243 2013-11-15
PCT/FR2014/052923 WO2015071613A2 (fr) 2013-11-15 2014-11-14 Transition d'un codage/décodage par transformée vers un codage/décodage prédictif
KR1020167014550A KR102289004B1 (ko) 2013-11-15 2014-11-14 변환 코딩/디코딩으로부터 예측 코딩/디코딩으로의 천이

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KR102388687B1 true KR102388687B1 (ko) 2022-04-19

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KR1020167014550A Active KR102289004B1 (ko) 2013-11-15 2014-11-14 변환 코딩/디코딩으로부터 예측 코딩/디코딩으로의 천이

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US (1) US9984696B2 (https=)
EP (1) EP3069340B1 (https=)
JP (1) JP6568850B2 (https=)
KR (2) KR102388687B1 (https=)
CN (1) CN105723457B (https=)
BR (1) BR112016010522B1 (https=)
ES (1) ES2651988T3 (https=)
FR (1) FR3013496A1 (https=)
MX (1) MX353104B (https=)
RU (1) RU2675216C1 (https=)
WO (1) WO2015071613A2 (https=)

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ES2744904T3 (es) 2014-05-01 2020-02-26 Nippon Telegraph & Telephone Dispositivo de codificación de señal de sonido, método de codificación de señal de sonido, programa y medio de grabación
EP2980795A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor
ES2838006T3 (es) * 2014-07-28 2021-07-01 Nippon Telegraph & Telephone Codificación de señal de sonido
EP2980794A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and decoder using a frequency domain processor and a time domain processor
EP2988300A1 (en) 2014-08-18 2016-02-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Switching of sampling rates at audio processing devices

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Also Published As

Publication number Publication date
EP3069340B1 (fr) 2017-09-20
WO2015071613A2 (fr) 2015-05-21
KR102289004B1 (ko) 2021-08-10
CN105723457A (zh) 2016-06-29
BR112016010522B1 (pt) 2022-09-06
MX2016006253A (es) 2016-09-07
EP3069340A2 (fr) 2016-09-21
KR20160083890A (ko) 2016-07-12
JP6568850B2 (ja) 2019-08-28
WO2015071613A3 (fr) 2015-07-09
ES2651988T3 (es) 2018-01-30
MX353104B (es) 2017-12-19
BR112016010522A2 (https=) 2017-08-08
CN105723457B (zh) 2019-05-28
RU2016123462A (ru) 2017-12-18
RU2675216C1 (ru) 2018-12-17
US20160293173A1 (en) 2016-10-06
US9984696B2 (en) 2018-05-29
JP2017501432A (ja) 2017-01-12
FR3013496A1 (fr) 2015-05-22
KR20210077807A (ko) 2021-06-25

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