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HK1179743A1 - Audio signal decoder, audio signal encoder, methods and computer program using a sampling rate dependent time-warp contour encoding - Google Patents

Audio signal decoder, audio signal encoder, methods and computer program using a sampling rate dependent time-warp contour encoding

Info

Publication number
HK1179743A1
HK1179743A1 HK13106813.7A HK13106813A HK1179743A1 HK 1179743 A1 HK1179743 A1 HK 1179743A1 HK 13106813 A HK13106813 A HK 13106813A HK 1179743 A1 HK1179743 A1 HK 1179743A1
Authority
HK
Hong Kong
Prior art keywords
audio signal
methods
computer program
sampling rate
rate dependent
Prior art date
Application number
HK13106813.7A
Other languages
English (en)
Chinese (zh)
Inventor
Stefan Bayer
Tom Bckstrm
Ralf Geiger
Bernd Edler
Sascha Disch
Lars Villemoes
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 HK1179743A1 publication Critical patent/HK1179743A1/xx

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)
HK13106813.7A 2010-03-10 2013-06-08 Audio signal decoder, audio signal encoder, methods and computer program using a sampling rate dependent time-warp contour encoding HK1179743A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US31250310P 2010-03-10 2010-03-10
PCT/EP2011/053538 WO2011110591A1 (en) 2010-03-10 2011-03-09 Audio signal decoder, audio signal encoder, methods and computer program using a sampling rate dependent time-warp contour encoding

Publications (1)

Publication Number Publication Date
HK1179743A1 true HK1179743A1 (en) 2013-10-04

Family

ID=43829343

Family Applications (2)

Application Number Title Priority Date Filing Date
HK13106813.7A HK1179743A1 (en) 2010-03-10 2013-06-08 Audio signal decoder, audio signal encoder, methods and computer program using a sampling rate dependent time-warp contour encoding
HK13107466.5A HK1181540A1 (en) 2010-03-10 2013-06-26 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

Family Applications After (1)

Application Number Title Priority Date Filing Date
HK13107466.5A HK1181540A1 (en) 2010-03-10 2013-06-26 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

Country Status (16)

Country Link
US (2) US9129597B2 (ja)
EP (2) EP2539893B1 (ja)
JP (2) JP5625076B2 (ja)
KR (2) KR101445294B1 (ja)
CN (2) CN102884572B (ja)
AR (2) AR084465A1 (ja)
AU (2) AU2011226140B2 (ja)
BR (2) BR112012022744B1 (ja)
CA (2) CA2792500C (ja)
ES (2) ES2461183T3 (ja)
HK (2) HK1179743A1 (ja)
MX (2) MX2012010469A (ja)
PL (2) PL2532001T3 (ja)
RU (2) RU2586848C2 (ja)
TW (2) TWI441170B (ja)
WO (2) WO2011110591A1 (ja)

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CN105070292B (zh) * 2015-07-10 2018-11-16 珠海市杰理科技股份有限公司 音频文件数据重排序的方法和系统
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EP3306609A1 (en) 2016-10-04 2018-04-11 Fraunhofer Gesellschaft zur Förderung der Angewand Apparatus and method for determining a pitch information
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WO2020207593A1 (en) * 2019-04-11 2020-10-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio decoder, apparatus for determining a set of values defining characteristics of a filter, methods for providing a decoded audio representation, methods for determining a set of values defining characteristics of a filter and computer program
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Also Published As

Publication number Publication date
EP2539893B1 (en) 2014-04-02
RU2586848C2 (ru) 2016-06-10
PL2532001T3 (pl) 2014-09-30
KR20120128156A (ko) 2012-11-26
MX2012010439A (es) 2013-04-29
AU2011226140A1 (en) 2012-10-18
TW201207846A (en) 2012-02-16
JP5456914B2 (ja) 2014-04-02
BR112012022741A2 (pt) 2020-11-24
EP2539893A1 (en) 2013-01-02
HK1181540A1 (en) 2013-11-08
CA2792500A1 (en) 2011-09-15
ES2461183T3 (es) 2014-05-19
RU2012143340A (ru) 2014-04-20
CA2792504A1 (en) 2011-09-15
AU2011226140B2 (en) 2014-08-14
AU2011226143A1 (en) 2012-10-25
AU2011226143B9 (en) 2015-03-19
TWI441170B (zh) 2014-06-11
CN102884573A (zh) 2013-01-16
MX2012010469A (es) 2012-12-10
KR20130018761A (ko) 2013-02-25
TW201203224A (en) 2012-01-16
WO2011110594A1 (en) 2011-09-15
RU2012143323A (ru) 2014-04-20
WO2011110591A1 (en) 2011-09-15
EP2532001A1 (en) 2012-12-12
CA2792500C (en) 2016-05-03
KR101445294B1 (ko) 2014-09-29
PL2539893T3 (pl) 2014-09-30
CN102884573B (zh) 2014-09-10
CA2792504C (en) 2016-05-31
US20130073296A1 (en) 2013-03-21
US9129597B2 (en) 2015-09-08
ES2458354T3 (es) 2014-05-05
TWI455113B (zh) 2014-10-01
EP2532001B1 (en) 2014-04-02
KR101445296B1 (ko) 2014-09-29
JP5625076B2 (ja) 2014-11-12
JP2013521540A (ja) 2013-06-10
US9524726B2 (en) 2016-12-20
US20130117015A1 (en) 2013-05-09
AR080396A1 (es) 2012-04-04
AR084465A1 (es) 2013-05-22
CN102884572B (zh) 2015-06-17
BR112012022744A2 (pt) 2017-12-12
AU2011226143B2 (en) 2014-08-28
CN102884572A (zh) 2013-01-16
BR112012022741B1 (pt) 2021-09-21
BR112012022744B1 (pt) 2021-02-17
JP2013522658A (ja) 2013-06-13
RU2607264C2 (ru) 2017-01-10

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