PT3584792T - Processador, método e programa de computador para processar um sinal de áudio utilizando partes de sobreposição truncadas de janelas de análise e de síntese - Google Patents

Processador, método e programa de computador para processar um sinal de áudio utilizando partes de sobreposição truncadas de janelas de análise e de síntese

Info

Publication number
PT3584792T
PT3584792T PT191894468T PT19189446T PT3584792T PT 3584792 T PT3584792 T PT 3584792T PT 191894468 T PT191894468 T PT 191894468T PT 19189446 T PT19189446 T PT 19189446T PT 3584792 T PT3584792 T PT 3584792T
Authority
PT
Portugal
Prior art keywords
processor
computer program
processing
audio signal
synthesis window
Prior art date
Application number
PT191894468T
Other languages
English (en)
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 PT3584792T publication Critical patent/PT3584792T/pt

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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • G10L19/025—Detection of transients or attacks for time/frequency resolution switching
    • 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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • 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
    • G10L21/0272—Voice signal separating
    • G10L21/028—Voice signal separating using properties of sound source
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Image Analysis (AREA)
  • Complex Calculations (AREA)
PT191894468T 2014-07-28 2015-07-24 Processador, método e programa de computador para processar um sinal de áudio utilizando partes de sobreposição truncadas de janelas de análise e de síntese PT3584792T (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14178774.7A EP2980791A1 (en) 2014-07-28 2014-07-28 Processor, method and computer program for processing an audio signal using truncated analysis or synthesis window overlap portions

Publications (1)

Publication Number Publication Date
PT3584792T true PT3584792T (pt) 2023-04-17

Family

ID=51224864

Family Applications (2)

Application Number Title Priority Date Filing Date
PT157422379T PT3175448T (pt) 2014-07-28 2015-07-24 Processador e método para processar um sinal de áudio utilizando análise truncada ou partes de sobreposição da janela de síntese
PT191894468T PT3584792T (pt) 2014-07-28 2015-07-24 Processador, método e programa de computador para processar um sinal de áudio utilizando partes de sobreposição truncadas de janelas de análise e de síntese

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PT157422379T PT3175448T (pt) 2014-07-28 2015-07-24 Processador e método para processar um sinal de áudio utilizando análise truncada ou partes de sobreposição da janela de síntese

Country Status (18)

Country Link
US (3) US10262666B2 (pt)
EP (4) EP2980791A1 (pt)
JP (3) JP6612846B2 (pt)
KR (1) KR102006897B1 (pt)
CN (2) CN113990333B (pt)
AR (1) AR102037A1 (pt)
AU (1) AU2015295602B2 (pt)
CA (1) CA2956010C (pt)
ES (3) ES2986028T3 (pt)
FI (1) FI3584792T3 (pt)
MX (1) MX369755B (pt)
MY (1) MY192272A (pt)
PL (3) PL3584792T3 (pt)
PT (2) PT3175448T (pt)
RU (1) RU2677385C2 (pt)
SG (1) SG11201700694PA (pt)
TW (1) TWI581252B (pt)
WO (1) WO2016016120A1 (pt)

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US9959877B2 (en) * 2016-03-18 2018-05-01 Qualcomm Incorporated Multi channel coding
US10770082B2 (en) * 2016-06-22 2020-09-08 Dolby International Ab Audio decoder and method for transforming a digital audio signal from a first to a second frequency domain
US10249307B2 (en) * 2016-06-27 2019-04-02 Qualcomm Incorporated Audio decoding using intermediate sampling rate
EP3483879A1 (en) * 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Analysis/synthesis windowing function for modulated lapped transformation
CN108847258B (zh) * 2018-06-10 2021-06-04 北京酷我科技有限公司 一种截取音频控件的实现方法
WO2020094263A1 (en) * 2018-11-05 2020-05-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and audio signal processor, for providing a processed audio signal representation, audio decoder, audio encoder, methods and computer programs
CN111402917B (zh) * 2020-03-13 2023-08-04 北京小米松果电子有限公司 音频信号处理方法及装置、存储介质
CN112309425B (zh) * 2020-10-14 2024-08-30 浙江大华技术股份有限公司 一种声音变调方法、电子设备及计算机可读存储介质

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JP3518737B2 (ja) 1999-10-25 2004-04-12 日本ビクター株式会社 オーディオ符号化装置、オーディオ符号化方法、及びオーディオ符号化信号記録媒体
JP2002118517A (ja) 2000-07-31 2002-04-19 Sony Corp 直交変換装置及び方法、逆直交変換装置及び方法、変換符号化装置及び方法、並びに復号装置及び方法
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EP2980791A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Processor, method and computer program for processing an audio signal using truncated analysis or synthesis window overlap portions

Also Published As

Publication number Publication date
TW201618082A (zh) 2016-05-16
SG11201700694PA (en) 2017-02-27
EP2980791A1 (en) 2016-02-03
AU2015295602A1 (en) 2017-03-16
US11664036B2 (en) 2023-05-30
US20210134308A1 (en) 2021-05-06
CN107077854A (zh) 2017-08-18
CN113990333B (zh) 2026-01-27
RU2017106179A3 (pt) 2018-08-28
MY192272A (en) 2022-08-15
MX2017001239A (es) 2017-07-07
EP4191582B1 (en) 2024-06-19
TWI581252B (zh) 2017-05-01
WO2016016120A1 (en) 2016-02-04
EP4191582C0 (en) 2024-06-19
EP3175448A1 (en) 2017-06-07
JP2017526005A (ja) 2017-09-07
CN113990333A (zh) 2022-01-28
EP3584792A1 (en) 2019-12-25
BR112017001630A2 (pt) 2017-11-21
EP4191582A1 (en) 2023-06-07
ES2940783T3 (es) 2023-05-11
FI3584792T3 (fi) 2023-04-04
JP6612846B2 (ja) 2019-11-27
JP7420848B2 (ja) 2024-01-23
RU2017106179A (ru) 2018-08-28
JP2022091803A (ja) 2022-06-21
EP3584792B1 (en) 2023-01-11
US20190198030A1 (en) 2019-06-27
KR102006897B1 (ko) 2019-08-02
CA2956010C (en) 2020-03-24
MX369755B (es) 2019-11-20
AR102037A1 (es) 2017-02-01
KR20170033883A (ko) 2017-03-27
PL3584792T3 (pl) 2023-05-08
PT3175448T (pt) 2019-12-09
RU2677385C2 (ru) 2019-01-16
PL4191582T3 (pl) 2024-11-04
PL3175448T3 (pl) 2020-03-31
EP3175448B1 (en) 2019-09-04
US10262666B2 (en) 2019-04-16
AU2015295602B2 (en) 2018-08-16
CA2956010A1 (en) 2016-02-04
ES2986028T3 (es) 2024-11-08
JP7043113B2 (ja) 2022-03-29
JP2020046671A (ja) 2020-03-26
CN107077854B (zh) 2021-06-22
US10902861B2 (en) 2021-01-26
US20170140768A1 (en) 2017-05-18
ES2751275T3 (es) 2020-03-31

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