PL3128513T3 - Koder, dekoder, sposób kodowania, sposób dekodowania i program - Google Patents

Koder, dekoder, sposób kodowania, sposób dekodowania i program

Info

Publication number
PL3128513T3
PL3128513T3 PL15774034T PL15774034T PL3128513T3 PL 3128513 T3 PL3128513 T3 PL 3128513T3 PL 15774034 T PL15774034 T PL 15774034T PL 15774034 T PL15774034 T PL 15774034T PL 3128513 T3 PL3128513 T3 PL 3128513T3
Authority
PL
Poland
Prior art keywords
decoder
encoder
program
encoding method
decoding method
Prior art date
Application number
PL15774034T
Other languages
English (en)
Inventor
Srikanth Nagisetty
Zong Xian Liu
Hiroyuki Ehara
Original Assignee
Fraunhofer Ges Forschung
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of PL3128513T3 publication Critical patent/PL3128513T3/pl

Links

Classifications

    • 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
    • G10L19/02—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
    • G10L19/0204—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 subband decomposition
    • G10L19/0208—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
    • G10L19/02—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
    • G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • 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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/035—Scalar quantisation
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
PL15774034T 2014-03-31 2015-03-23 Koder, dekoder, sposób kodowania, sposób dekodowania i program PL3128513T3 (pl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201461972722P 2014-03-31 2014-03-31
JP2014153832 2014-07-29
EP15774034.1A EP3128513B1 (en) 2014-03-31 2015-03-23 Encoder, decoder, encoding method, decoding method, and program
PCT/JP2015/001601 WO2015151451A1 (ja) 2014-03-31 2015-03-23 符号化装置、復号装置、符号化方法、復号方法、およびプログラム

Publications (1)

Publication Number Publication Date
PL3128513T3 true PL3128513T3 (pl) 2019-11-29

Family

ID=54239798

Family Applications (2)

Application Number Title Priority Date Filing Date
PL19174461.4T PL3550563T3 (pl) 2014-03-31 2015-03-23 Enkoder, dekoder, sposób enkodowania, sposób dekodowania oraz powiązane programy
PL15774034T PL3128513T3 (pl) 2014-03-31 2015-03-23 Koder, dekoder, sposób kodowania, sposób dekodowania i program

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PL19174461.4T PL3550563T3 (pl) 2014-03-31 2015-03-23 Enkoder, dekoder, sposób enkodowania, sposób dekodowania oraz powiązane programy

Country Status (11)

Country Link
US (3) US10269361B2 (pl)
EP (3) EP3128513B1 (pl)
JP (1) JPWO2015151451A1 (pl)
KR (1) KR102121642B1 (pl)
CN (2) CN111710342B (pl)
BR (1) BR112016019838B1 (pl)
ES (1) ES2975073T3 (pl)
MX (1) MX367639B (pl)
PL (2) PL3550563T3 (pl)
RU (1) RU2689181C2 (pl)
WO (1) WO2015151451A1 (pl)

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Publication number Publication date
RU2689181C2 (ru) 2019-05-24
CN111710342B (zh) 2024-04-16
PL3550563T3 (pl) 2024-07-08
US12431148B2 (en) 2025-09-30
KR102121642B1 (ko) 2020-06-10
CN105874534A (zh) 2016-08-17
EP3550563B1 (en) 2024-03-06
RU2016138694A3 (pl) 2018-08-27
EP4376304A2 (en) 2024-05-29
ES2975073T3 (es) 2024-07-03
KR20160138373A (ko) 2016-12-05
US20190251979A1 (en) 2019-08-15
US11232803B2 (en) 2022-01-25
EP3128513A4 (en) 2017-03-29
MX2016010595A (es) 2016-11-29
JPWO2015151451A1 (ja) 2017-04-13
US20160336017A1 (en) 2016-11-17
EP3550563C0 (en) 2024-03-06
RU2016138694A (ru) 2018-05-07
US10269361B2 (en) 2019-04-23
EP3128513A1 (en) 2017-02-08
EP4376304A3 (en) 2024-07-24
CN111710342A (zh) 2020-09-25
BR112016019838B1 (pt) 2023-02-23
CN105874534B (zh) 2020-06-19
EP3550563A1 (en) 2019-10-09
MX367639B (es) 2019-08-29
EP3128513B1 (en) 2019-05-15
WO2015151451A1 (ja) 2015-10-08
US20220130402A1 (en) 2022-04-28
BR112016019838A2 (pl) 2017-08-15

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