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HK1211378A1 - Apparatus and method for encoding and decoding an encoded audio signal using temporal noise patch shaping - Google Patents

Apparatus and method for encoding and decoding an encoded audio signal using temporal noise patch shaping

Info

Publication number
HK1211378A1
HK1211378A1 HK15112062.1A HK15112062A HK1211378A1 HK 1211378 A1 HK1211378 A1 HK 1211378A1 HK 15112062 A HK15112062 A HK 15112062A HK 1211378 A1 HK1211378 A1 HK 1211378A1
Authority
HK
Hong Kong
Prior art keywords
decoding
encoding
audio signal
encoded audio
temporal noise
Prior art date
Application number
HK15112062.1A
Other languages
English (en)
Chinese (zh)
Inventor
Sascha Disch
Frederik Nagel
Ralf Geiger
Balaji Nagendran Thoshkahna
Konstantin Schmidt
Stefan Bayer
Christian Neukam
Bernd Edler
Christian Helmrich
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 HK1211378A1 publication Critical patent/HK1211378A1/xx

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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • 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
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    • 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
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    • G10L19/16—Vocoder architecture
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    • G—PHYSICS
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    • 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
    • G10L21/0388—Details of processing therefor
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    • G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients
    • G—PHYSICS
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    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
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    • G10L25/21—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being power information
    • H—ELECTRICITY
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    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
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    • 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
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    • G10L19/032—Quantisation or dequantisation of spectral components
    • H—ELECTRICITY
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    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
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Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
HK15112062.1A 2013-07-22 2015-12-08 Apparatus and method for encoding and decoding an encoded audio signal using temporal noise patch shaping HK1211378A1 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
EP13177346 2013-07-22
EP13177350 2013-07-22
EP13177353 2013-07-22
EP13177348 2013-07-22
EP13189358.8A EP2830061A1 (en) 2013-07-22 2013-10-18 Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping
PCT/EP2014/065123 WO2015010954A1 (en) 2013-07-22 2014-07-15 Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping

Publications (1)

Publication Number Publication Date
HK1211378A1 true HK1211378A1 (en) 2016-05-20

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HK15112062.1A HK1211378A1 (en) 2013-07-22 2015-12-08 Apparatus and method for encoding and decoding an encoded audio signal using temporal noise patch shaping

Country Status (20)

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US (24) US10332539B2 (xx)
EP (20) EP2830065A1 (xx)
JP (12) JP6389254B2 (xx)
KR (7) KR101826723B1 (xx)
CN (12) CN112466312B (xx)
AU (7) AU2014295302B2 (xx)
BR (12) BR122022010960B1 (xx)
CA (8) CA2918701C (xx)
ES (9) ES2638498T3 (xx)
HK (1) HK1211378A1 (xx)
MX (7) MX354657B (xx)
MY (5) MY187943A (xx)
PL (8) PL3506260T3 (xx)
PT (7) PT3017448T (xx)
RU (7) RU2651229C2 (xx)
SG (7) SG11201502691QA (xx)
TR (1) TR201816157T4 (xx)
TW (7) TWI555008B (xx)
WO (7) WO2015010947A1 (xx)
ZA (5) ZA201502262B (xx)

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