PT3550564T - Análise/síntese espectral de baixa complexidade utilizando resolução temporal selecionável - Google Patents

Análise/síntese espectral de baixa complexidade utilizando resolução temporal selecionável

Info

Publication number
PT3550564T
PT3550564T PT191750942T PT19175094T PT3550564T PT 3550564 T PT3550564 T PT 3550564T PT 191750942 T PT191750942 T PT 191750942T PT 19175094 T PT19175094 T PT 19175094T PT 3550564 T PT3550564 T PT 3550564T
Authority
PT
Portugal
Prior art keywords
synthesis
low
spectral analysis
time resolution
selectable time
Prior art date
Application number
PT191750942T
Other languages
English (en)
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of PT3550564T publication Critical patent/PT3550564T/pt

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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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
PT191750942T 2007-08-27 2008-08-25 Análise/síntese espectral de baixa complexidade utilizando resolução temporal selecionável PT3550564T (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US96812507P 2007-08-27 2007-08-27

Publications (1)

Publication Number Publication Date
PT3550564T true PT3550564T (pt) 2020-08-18

Family

ID=40388070

Family Applications (1)

Application Number Title Priority Date Filing Date
PT191750942T PT3550564T (pt) 2007-08-27 2008-08-25 Análise/síntese espectral de baixa complexidade utilizando resolução temporal selecionável

Country Status (11)

Country Link
US (2) US8392202B2 (pt)
EP (3) EP3288028B1 (pt)
JP (1) JP5140730B2 (pt)
CN (2) CN101878504B (pt)
BR (1) BRPI0816136B1 (pt)
CA (1) CA2698039C (pt)
DK (2) DK2186088T3 (pt)
ES (3) ES2748843T3 (pt)
MX (1) MX2010001763A (pt)
PT (1) PT3550564T (pt)
WO (1) WO2009029032A2 (pt)

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CN104240697A (zh) * 2013-06-24 2014-12-24 浙江大华技术股份有限公司 一种音频数据的特征提取方法及装置
CN105556600B (zh) 2013-08-23 2019-11-26 弗劳恩霍夫应用研究促进协会 用于混迭误差信号来处理音频信号的装置及方法
CN103745726B (zh) * 2013-11-07 2016-08-17 中国电子科技集团公司第四十一研究所 一种自适应的变采样率音频采样方法
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CN105336336B (zh) * 2014-06-12 2016-12-28 华为技术有限公司 一种音频信号的时域包络处理方法及装置、编码器
CN107004417B (zh) * 2014-12-09 2021-05-07 杜比国际公司 Mdct域错误掩盖
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Also Published As

Publication number Publication date
US8706511B2 (en) 2014-04-22
BRPI0816136A2 (pt) 2015-02-24
CN101878504A (zh) 2010-11-03
ES2748843T3 (es) 2020-03-18
EP3550564B1 (en) 2020-07-22
CN101878504B (zh) 2013-12-04
ES2658942T3 (es) 2018-03-13
EP3288028A1 (en) 2018-02-28
BRPI0816136B1 (pt) 2020-03-03
EP3288028B1 (en) 2019-07-03
WO2009029032A3 (en) 2009-04-23
WO2009029032A2 (en) 2009-03-05
CN103594090B (zh) 2017-10-10
DK2186088T3 (en) 2018-01-15
US20100250265A1 (en) 2010-09-30
JP2010538314A (ja) 2010-12-09
US8392202B2 (en) 2013-03-05
EP2186088B1 (en) 2017-11-15
DK3288028T3 (da) 2019-09-02
EP2186088A4 (en) 2015-05-06
CA2698039A1 (en) 2009-03-05
EP2186088A2 (en) 2010-05-19
CN103594090A (zh) 2014-02-19
MX2010001763A (es) 2010-03-10
ES2823560T3 (es) 2021-05-07
CA2698039C (en) 2016-05-17
US20130246074A1 (en) 2013-09-19
JP5140730B2 (ja) 2013-02-13
EP3550564A1 (en) 2019-10-09

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