PL3985666T3 - Ulepszona transpozycja harmonicznych - Google Patents

Ulepszona transpozycja harmonicznych

Info

Publication number
PL3985666T3
PL3985666T3 PL21211941.6T PL21211941T PL3985666T3 PL 3985666 T3 PL3985666 T3 PL 3985666T3 PL 21211941 T PL21211941 T PL 21211941T PL 3985666 T3 PL3985666 T3 PL 3985666T3
Authority
PL
Poland
Prior art keywords
harmonic transposition
improved harmonic
improved
transposition
harmonic
Prior art date
Application number
PL21211941.6T
Other languages
English (en)
Inventor
Per Ekstrand
Lars 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 PL3985666T3 publication Critical patent/PL3985666T3/pl

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Processing of the speech or voice signal 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/24Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
PL21211941.6T 2009-01-28 2010-03-12 Ulepszona transpozycja harmonicznych PL3985666T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0900087 2009-01-28
US24362409P 2009-09-18 2009-09-18

Publications (1)

Publication Number Publication Date
PL3985666T3 true PL3985666T3 (pl) 2023-05-08

Family

ID=50896666

Family Applications (2)

Application Number Title Priority Date Filing Date
PL20188167T PL3751570T3 (pl) 2009-01-28 2010-03-12 Ulepszona transpozycja harmonicznych
PL21211941.6T PL3985666T3 (pl) 2009-01-28 2010-03-12 Ulepszona transpozycja harmonicznych

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PL20188167T PL3751570T3 (pl) 2009-01-28 2010-03-12 Ulepszona transpozycja harmonicznych

Country Status (7)

Country Link
US (1) US11562755B2 (pl)
EP (2) EP4120254A1 (pl)
BR (4) BRPI1007528B1 (pl)
CA (2) CA3210604A1 (pl)
ES (3) ES2930054T3 (pl)
HK (2) HK1165077A1 (pl)
PL (2) PL3751570T3 (pl)

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BR112022010062A2 (pt) * 2019-11-27 2022-09-06 Fraunhofer Ges Forschung Codificador, decodificador, aparelho para ocultação de perda de quadro, sistema e métodos
CN111294367B (zh) * 2020-05-14 2020-09-01 腾讯科技(深圳)有限公司 音频信号后处理方法和装置、存储介质及电子设备

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CN103559891B (zh) 2009-09-18 2016-05-11 杜比国际公司 改进的谐波转置

Also Published As

Publication number Publication date
EP3985666A1 (en) 2022-04-20
ES2906255T3 (es) 2022-04-13
EP4120254A1 (en) 2023-01-18
BR122019023709B1 (pt) 2020-10-27
HK1165077A1 (en) 2012-09-28
BRPI1007528A2 (pt) 2019-12-24
BR122019023713B1 (pt) 2020-10-27
BR122019023712B1 (pt) 2020-10-27
HK1213079A1 (zh) 2016-06-24
US11562755B2 (en) 2023-01-24
CA3162808C (en) 2023-10-10
CA3210604A1 (en) 2010-08-05
EP3985666B1 (en) 2022-08-17
US20210383817A1 (en) 2021-12-09
PL3751570T3 (pl) 2022-03-07
CA3162808A1 (en) 2010-08-05
ES2826324T3 (es) 2021-05-18
BRPI1007528B1 (pt) 2020-10-13
ES2930054T3 (es) 2022-12-05

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