SG11201502611TA - Encoder, decoder and methods for signal-dependent zoom-transform in spatial audio object coding - Google Patents

Encoder, decoder and methods for signal-dependent zoom-transform in spatial audio object coding

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Publication number
SG11201502611TA
SG11201502611TA SG11201502611TA SG11201502611TA SG11201502611TA SG 11201502611T A SG11201502611T A SG 11201502611TA SG 11201502611T A SG11201502611T A SG 11201502611TA SG 11201502611T A SG11201502611T A SG 11201502611TA SG 11201502611T A SG11201502611T A SG 11201502611TA
Authority
SG
Singapore
Prior art keywords
decoder
encoder
transform
methods
signal
Prior art date
Application number
SG11201502611TA
Other languages
English (en)
Inventor
Sascha Disch
Jouni Paulus
Bernd Edler
Oliver Hellmuth
Jürgen Herre
Thorsten Kastner
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 SG11201502611TA publication Critical patent/SG11201502611TA/en

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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/0204Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/0204Speech 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
    • G10L19/0208Subband vocoders
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/022Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • G10L19/025Detection of transients or attacks for time/frequency resolution switching
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/20Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
SG11201502611TA 2012-10-05 2013-10-02 Encoder, decoder and methods for signal-dependent zoom-transform in spatial audio object coding SG11201502611TA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261710133P 2012-10-05 2012-10-05
EP13167487.1A EP2717262A1 (en) 2012-10-05 2013-05-13 Encoder, decoder and methods for signal-dependent zoom-transform in spatial audio object coding
PCT/EP2013/070550 WO2014053547A1 (en) 2012-10-05 2013-10-02 Encoder, decoder and methods for signal-dependent zoom-transform in spatial audio object coding

Publications (1)

Publication Number Publication Date
SG11201502611TA true SG11201502611TA (en) 2015-05-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201502611TA SG11201502611TA (en) 2012-10-05 2013-10-02 Encoder, decoder and methods for signal-dependent zoom-transform in spatial audio object coding

Country Status (17)

Country Link
US (2) US10152978B2 (es)
EP (4) EP2717262A1 (es)
JP (2) JP6268180B2 (es)
KR (2) KR101685860B1 (es)
CN (2) CN105190747B (es)
AR (2) AR092929A1 (es)
AU (1) AU2013326526B2 (es)
BR (2) BR112015007649B1 (es)
CA (2) CA2887028C (es)
ES (2) ES2880883T3 (es)
HK (1) HK1213361A1 (es)
MX (2) MX351359B (es)
MY (1) MY178697A (es)
RU (2) RU2639658C2 (es)
SG (1) SG11201502611TA (es)
TW (2) TWI541795B (es)
WO (2) WO2014053548A1 (es)

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Also Published As

Publication number Publication date
HK1213361A1 (zh) 2016-06-30
TWI539444B (zh) 2016-06-21
CA2887028C (en) 2018-08-28
AU2013326526A1 (en) 2015-05-28
WO2014053548A1 (en) 2014-04-10
US10152978B2 (en) 2018-12-11
ES2880883T3 (es) 2021-11-25
CN104798131B (zh) 2018-09-25
RU2015116287A (ru) 2016-11-27
JP6268180B2 (ja) 2018-01-24
JP6185592B2 (ja) 2017-08-23
CN105190747A (zh) 2015-12-23
EP2717265A1 (en) 2014-04-09
AU2013326526B2 (en) 2017-03-02
MY178697A (en) 2020-10-20
ES2873977T3 (es) 2021-11-04
AR092928A1 (es) 2015-05-06
AR092929A1 (es) 2015-05-06
EP2717262A1 (en) 2014-04-09
US9734833B2 (en) 2017-08-15
WO2014053547A1 (en) 2014-04-10
CN104798131A (zh) 2015-07-22
JP2015535960A (ja) 2015-12-17
RU2625939C2 (ru) 2017-07-19
MX351359B (es) 2017-10-11
EP2904610B1 (en) 2021-05-05
KR20150056875A (ko) 2015-05-27
KR101689489B1 (ko) 2016-12-23
BR112015007650A2 (pt) 2019-11-12
EP2904611B1 (en) 2021-06-23
BR112015007650B1 (pt) 2022-05-17
CA2887028A1 (en) 2014-04-10
RU2015116645A (ru) 2016-11-27
MX350691B (es) 2017-09-13
TW201419266A (zh) 2014-05-16
US20150279377A1 (en) 2015-10-01
BR112015007649B1 (pt) 2023-04-25
TW201423729A (zh) 2014-06-16
CA2886999C (en) 2018-10-23
TWI541795B (zh) 2016-07-11
KR101685860B1 (ko) 2016-12-12
KR20150065852A (ko) 2015-06-15
CA2886999A1 (en) 2014-04-10
CN105190747B (zh) 2019-01-04
US20150221314A1 (en) 2015-08-06
MX2015004018A (es) 2015-07-06
EP2904610A1 (en) 2015-08-12
RU2639658C2 (ru) 2017-12-21
EP2904611A1 (en) 2015-08-12
MX2015004019A (es) 2015-07-06
BR112015007649A2 (pt) 2022-07-19
JP2015535959A (ja) 2015-12-17

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