PL2539893T3 - Dekoder sygnału audio, koder sygnału audio, sposób dekodowania sygnału audio, sposób kodowania sygnału audio i program komputerowy, w których wykorzystywane jest dostosowywanie kontekstu kodowania w zależności od zmian wysokości tonu - Google Patents

Dekoder sygnału audio, koder sygnału audio, sposób dekodowania sygnału audio, sposób kodowania sygnału audio i program komputerowy, w których wykorzystywane jest dostosowywanie kontekstu kodowania w zależności od zmian wysokości tonu

Info

Publication number
PL2539893T3
PL2539893T3 PL11707415T PL11707415T PL2539893T3 PL 2539893 T3 PL2539893 T3 PL 2539893T3 PL 11707415 T PL11707415 T PL 11707415T PL 11707415 T PL11707415 T PL 11707415T PL 2539893 T3 PL2539893 T3 PL 2539893T3
Authority
PL
Poland
Prior art keywords
audio signal
decoding
pitch
encoding
computer program
Prior art date
Application number
PL11707415T
Other languages
English (en)
Inventor
Stefan Bayer
Tom Bäckström
Ralf Geiger
Bernd Edler
Sascha Disch
Lars Villemoes
Original Assignee
Fraunhofer Ges Forschung
Dolby Int Ab
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, Dolby Int Ab filed Critical Fraunhofer Ges Forschung
Publication of PL2539893T3 publication Critical patent/PL2539893T3/pl

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/04Time compression or expansion
    • 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
    • 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
    • G10L19/0212Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/90Pitch determination of speech signals

Landscapes

  • 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)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
PL11707415T 2010-03-10 2011-03-09 Dekoder sygnału audio, koder sygnału audio, sposób dekodowania sygnału audio, sposób kodowania sygnału audio i program komputerowy, w których wykorzystywane jest dostosowywanie kontekstu kodowania w zależności od zmian wysokości tonu PL2539893T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US31250310P 2010-03-10 2010-03-10
PCT/EP2011/053541 WO2011110594A1 (en) 2010-03-10 2011-03-09 Audio signal decoder, audio signal encoder, method for decoding an audio signal, method for encoding an audio signal and computer program using a pitch-dependent adaptation of a coding context
EP20110707415 EP2539893B1 (en) 2010-03-10 2011-03-09 Audio signal decoder, audio signal encoder, method for decoding an audio signal, method for encoding an audio signal and computer program using a pitch-dependent adaptation of a coding context

Publications (1)

Publication Number Publication Date
PL2539893T3 true PL2539893T3 (pl) 2014-09-30

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Application Number Title Priority Date Filing Date
PL11707415T PL2539893T3 (pl) 2010-03-10 2011-03-09 Dekoder sygnału audio, koder sygnału audio, sposób dekodowania sygnału audio, sposób kodowania sygnału audio i program komputerowy, w których wykorzystywane jest dostosowywanie kontekstu kodowania w zależności od zmian wysokości tonu
PL11707665T PL2532001T3 (pl) 2010-03-10 2011-03-09 Dekoder sygnału audio, koder sygnału audio, sposoby i program komputerowy wykorzystujące zależne od częstotliwości próbkowania kodowanie krzywej dopasowania czasowego

Family Applications After (1)

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PL11707665T PL2532001T3 (pl) 2010-03-10 2011-03-09 Dekoder sygnału audio, koder sygnału audio, sposoby i program komputerowy wykorzystujące zależne od częstotliwości próbkowania kodowanie krzywej dopasowania czasowego

Country Status (15)

Country Link
US (2) US9129597B2 (pl)
EP (2) EP2532001B1 (pl)
JP (2) JP5625076B2 (pl)
KR (2) KR101445296B1 (pl)
CN (2) CN102884572B (pl)
AR (2) AR080396A1 (pl)
AU (2) AU2011226143B9 (pl)
BR (2) BR112012022741B1 (pl)
CA (2) CA2792500C (pl)
ES (2) ES2458354T3 (pl)
MX (2) MX2012010439A (pl)
PL (2) PL2539893T3 (pl)
RU (2) RU2586848C2 (pl)
TW (2) TWI441170B (pl)
WO (2) WO2011110591A1 (pl)

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Also Published As

Publication number Publication date
TWI441170B (zh) 2014-06-11
AU2011226140B2 (en) 2014-08-14
JP5625076B2 (ja) 2014-11-12
CN102884573A (zh) 2013-01-16
KR101445294B1 (ko) 2014-09-29
US20130117015A1 (en) 2013-05-09
RU2012143340A (ru) 2014-04-20
AR084465A1 (es) 2013-05-22
US20130073296A1 (en) 2013-03-21
PL2532001T3 (pl) 2014-09-30
EP2539893B1 (en) 2014-04-02
WO2011110591A1 (en) 2011-09-15
KR20130018761A (ko) 2013-02-25
JP2013522658A (ja) 2013-06-13
CN102884573B (zh) 2014-09-10
US9524726B2 (en) 2016-12-20
CN102884572A (zh) 2013-01-16
TW201203224A (en) 2012-01-16
WO2011110594A1 (en) 2011-09-15
HK1181540A1 (en) 2013-11-08
BR112012022744A2 (pt) 2017-12-12
BR112012022741B1 (pt) 2021-09-21
CA2792500A1 (en) 2011-09-15
ES2461183T3 (es) 2014-05-19
JP2013521540A (ja) 2013-06-10
CN102884572B (zh) 2015-06-17
AU2011226140A1 (en) 2012-10-18
AU2011226143B2 (en) 2014-08-28
AU2011226143A1 (en) 2012-10-25
HK1179743A1 (en) 2013-10-04
RU2586848C2 (ru) 2016-06-10
TWI455113B (zh) 2014-10-01
CA2792504A1 (en) 2011-09-15
RU2607264C2 (ru) 2017-01-10
BR112012022744B1 (pt) 2021-02-17
CA2792504C (en) 2016-05-31
AU2011226143B9 (en) 2015-03-19
RU2012143323A (ru) 2014-04-20
AR080396A1 (es) 2012-04-04
EP2539893A1 (en) 2013-01-02
MX2012010439A (es) 2013-04-29
KR101445296B1 (ko) 2014-09-29
ES2458354T3 (es) 2014-05-05
TW201207846A (en) 2012-02-16
JP5456914B2 (ja) 2014-04-02
MX2012010469A (es) 2012-12-10
EP2532001A1 (en) 2012-12-12
BR112012022741A2 (pt) 2020-11-24
KR20120128156A (ko) 2012-11-26
CA2792500C (en) 2016-05-03
EP2532001B1 (en) 2014-04-02
US9129597B2 (en) 2015-09-08

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