PL3550563T3 - Enkoder, dekoder, sposób enkodowania, sposób dekodowania oraz powiązane programy - Google Patents

Enkoder, dekoder, sposób enkodowania, sposób dekodowania oraz powiązane programy

Info

Publication number
PL3550563T3
PL3550563T3 PL19174461.4T PL19174461T PL3550563T3 PL 3550563 T3 PL3550563 T3 PL 3550563T3 PL 19174461 T PL19174461 T PL 19174461T PL 3550563 T3 PL3550563 T3 PL 3550563T3
Authority
PL
Poland
Prior art keywords
decoder
encoder
associated programs
encoding method
decoding method
Prior art date
Application number
PL19174461.4T
Other languages
English (en)
Inventor
Srikanth NAGISETTY
Zong Xian LIU
Hiroyuki Ehara
Original Assignee
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
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-Gesellschaft zur Förderung der angewandten Forschung e.V. filed Critical Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
Publication of PL3550563T3 publication Critical patent/PL3550563T3/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)
  • Audiology, Speech & Language Pathology (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
PL19174461.4T 2014-03-31 2015-03-23 Enkoder, dekoder, sposób enkodowania, sposób dekodowania oraz powiązane programy PL3550563T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201461972722P 2014-03-31 2014-03-31
JP2014153832 2014-07-29

Publications (1)

Publication Number Publication Date
PL3550563T3 true PL3550563T3 (pl) 2024-07-08

Family

ID=54239798

Family Applications (2)

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

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PL15774034T PL3128513T3 (pl) 2014-03-31 2015-03-23 Koder, dekoder, sposób kodowania, sposób dekodowania i program

Country Status (11)

Country Link
US (3) US10269361B2 (pl)
EP (3) EP3128513B1 (pl)
JP (1) JPWO2015151451A1 (pl)
KR (1) KR102121642B1 (pl)
CN (2) CN105874534B (pl)
BR (1) BR112016019838B1 (pl)
ES (1) ES2975073T3 (pl)
MX (1) MX367639B (pl)
PL (2) PL3128513T3 (pl)
RU (1) RU2689181C2 (pl)
WO (1) WO2015151451A1 (pl)

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Also Published As

Publication number Publication date
CN105874534A (zh) 2016-08-17
RU2016138694A (ru) 2018-05-07
US10269361B2 (en) 2019-04-23
RU2689181C2 (ru) 2019-05-24
US11232803B2 (en) 2022-01-25
BR112016019838B1 (pt) 2023-02-23
EP4376304A2 (en) 2024-05-29
EP3128513B1 (en) 2019-05-15
BR112016019838A2 (pl) 2017-08-15
WO2015151451A1 (ja) 2015-10-08
RU2016138694A3 (pl) 2018-08-27
MX367639B (es) 2019-08-29
EP3550563A1 (en) 2019-10-09
MX2016010595A (es) 2016-11-29
EP3550563C0 (en) 2024-03-06
PL3128513T3 (pl) 2019-11-29
US20190251979A1 (en) 2019-08-15
CN105874534B (zh) 2020-06-19
EP3128513A1 (en) 2017-02-08
EP4376304A3 (en) 2024-07-24
US20160336017A1 (en) 2016-11-17
US12431148B2 (en) 2025-09-30
CN111710342A (zh) 2020-09-25
ES2975073T3 (es) 2024-07-03
KR102121642B1 (ko) 2020-06-10
CN111710342B (zh) 2024-04-16
JPWO2015151451A1 (ja) 2017-04-13
EP3550563B1 (en) 2024-03-06
KR20160138373A (ko) 2016-12-05
EP3128513A4 (en) 2017-03-29
US20220130402A1 (en) 2022-04-28

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