PL3246919T3 - Ulepszona transpozycja harmonicznych - Google Patents

Ulepszona transpozycja harmonicznych

Info

Publication number
PL3246919T3
PL3246919T3 PL17175871T PL17175871T PL3246919T3 PL 3246919 T3 PL3246919 T3 PL 3246919T3 PL 17175871 T PL17175871 T PL 17175871T PL 17175871 T PL17175871 T PL 17175871T PL 3246919 T3 PL3246919 T3 PL 3246919T3
Authority
PL
Poland
Prior art keywords
harmonic transposition
improved harmonic
improved
transposition
harmonic
Prior art date
Application number
PL17175871T
Other languages
English (en)
Inventor
Per Ekstrand
Lars Falck Villemoes
Original Assignee
Dolby International 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 Dolby International Ab filed Critical Dolby International Ab
Publication of PL3246919T3 publication Critical patent/PL3246919T3/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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • 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
    • G10L19/0212—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
    • 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
    • G10L19/04—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 predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • 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
    • G10L21/04—Time compression or expansion

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)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Complex Calculations (AREA)
PL17175871T 2009-01-28 2010-03-12 Ulepszona transpozycja harmonicznych PL3246919T3 (pl)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
SE0900087 2009-01-28
US24362409P 2009-09-18 2009-09-18
EP15176581.5A EP2953131B1 (en) 2009-01-28 2010-03-12 Improved harmonic transposition
PCT/EP2010/053222 WO2010086461A1 (en) 2009-01-28 2010-03-12 Improved harmonic transposition
EP10708984.9A EP2392005B1 (en) 2009-01-28 2010-03-12 Improved harmonic transposition
EP17175871.7A EP3246919B1 (en) 2009-01-28 2010-03-12 Improved harmonic transposition
EP13182785.9A EP2674943B1 (en) 2009-01-28 2010-03-12 Improved harmonic transposition

Publications (1)

Publication Number Publication Date
PL3246919T3 true PL3246919T3 (pl) 2021-03-08

Family

ID=42136074

Family Applications (1)

Application Number Title Priority Date Filing Date
PL17175871T PL3246919T3 (pl) 2009-01-28 2010-03-12 Ulepszona transpozycja harmonicznych

Country Status (8)

Country Link
US (4) US9236061B2 (pl)
EP (5) EP3751570B1 (pl)
AU (1) AU2010209673B2 (pl)
CA (4) CA2966469C (pl)
ES (1) ES2639716T3 (pl)
PL (1) PL3246919T3 (pl)
RU (1) RU2493618C2 (pl)
WO (1) WO2010086461A1 (pl)

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Also Published As

Publication number Publication date
WO2010086461A1 (en) 2010-08-05
US9236061B2 (en) 2016-01-12
CA2966469A1 (en) 2010-08-05
EP3246919A1 (en) 2017-11-22
AU2010209673A1 (en) 2011-07-28
EP2674943A2 (en) 2013-12-18
RU2011131717A (ru) 2013-02-20
WO2010086461A8 (en) 2011-11-24
CA3107567A1 (en) 2010-08-05
EP2392005A1 (en) 2011-12-07
CA3076203C (en) 2021-03-16
US11100937B2 (en) 2021-08-24
EP2953131A1 (en) 2015-12-09
ES2639716T3 (es) 2017-10-30
EP2953131B1 (en) 2017-07-26
RU2493618C2 (ru) 2013-09-20
US20160035361A1 (en) 2016-02-04
US20200294516A1 (en) 2020-09-17
CA3107567C (en) 2022-08-02
EP2674943B1 (en) 2015-09-02
US20180315434A1 (en) 2018-11-01
US10600427B2 (en) 2020-03-24
US20110004479A1 (en) 2011-01-06
AU2010209673B2 (en) 2013-05-16
CA2749239A1 (en) 2010-08-05
EP3751570B1 (en) 2021-12-22
EP2674943A3 (en) 2014-03-19
CA2966469C (en) 2020-05-05
EP3751570A1 (en) 2020-12-16
EP3246919B1 (en) 2020-08-26
EP2392005B1 (en) 2013-10-16
CA3076203A1 (en) 2010-08-05
CA2749239C (en) 2017-06-06
US10043526B2 (en) 2018-08-07

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