PT3417544T - Pós-processador, pré-processador, codificador de áudio, descodificador de áudio e métodos relacionados para aprimoramento do processamento de transiente - Google Patents

Pós-processador, pré-processador, codificador de áudio, descodificador de áudio e métodos relacionados para aprimoramento do processamento de transiente

Info

Publication number
PT3417544T
PT3417544T PT177037710T PT17703771T PT3417544T PT 3417544 T PT3417544 T PT 3417544T PT 177037710 T PT177037710 T PT 177037710T PT 17703771 T PT17703771 T PT 17703771T PT 3417544 T PT3417544 T PT 3417544T
Authority
PT
Portugal
Prior art keywords
processor
post
audio
related methods
transient processing
Prior art date
Application number
PT177037710T
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 PT3417544T publication Critical patent/PT3417544T/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
    • G10L19/032—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
    • 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • G10L19/26—Pre-filtering or post-filtering
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/005—Tone control or bandwidth control in amplifiers of digital signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H03G5/165—Equalizers; Volume or gain control in limited frequency bands

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Stereophonic System (AREA)
PT177037710T 2016-02-17 2017-02-10 Pós-processador, pré-processador, codificador de áudio, descodificador de áudio e métodos relacionados para aprimoramento do processamento de transiente PT3417544T (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16156200 2016-02-17

Publications (1)

Publication Number Publication Date
PT3417544T true PT3417544T (pt) 2020-03-02

Family

ID=55361427

Family Applications (1)

Application Number Title Priority Date Filing Date
PT177037710T PT3417544T (pt) 2016-02-17 2017-02-10 Pós-processador, pré-processador, codificador de áudio, descodificador de áudio e métodos relacionados para aprimoramento do processamento de transiente

Country Status (18)

Country Link
US (3) US10720170B2 (pt)
EP (2) EP3417544B1 (pt)
JP (2) JP6603414B2 (pt)
KR (1) KR102067044B1 (pt)
CN (1) CN107925388B (pt)
AR (1) AR107662A1 (pt)
AU (1) AU2017219696B2 (pt)
BR (1) BR112017024480A2 (pt)
CA (1) CA2985019C (pt)
ES (1) ES2771200T3 (pt)
MX (1) MX371223B (pt)
MY (1) MY191093A (pt)
PL (1) PL3417544T3 (pt)
PT (1) PT3417544T (pt)
RU (1) RU2685024C1 (pt)
TW (1) TWI618053B (pt)
WO (1) WO2017140600A1 (pt)
ZA (1) ZA201707336B (pt)

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Also Published As

Publication number Publication date
US11094331B2 (en) 2021-08-17
BR112017024480A2 (pt) 2018-07-24
ZA201707336B (en) 2019-02-27
JP2019500641A (ja) 2019-01-10
MY191093A (en) 2022-05-30
CN107925388A (zh) 2018-04-17
US10720170B2 (en) 2020-07-21
CA2985019A1 (en) 2017-08-24
TWI618053B (zh) 2018-03-11
JP2020024440A (ja) 2020-02-13
KR102067044B1 (ko) 2020-01-17
AR107662A1 (es) 2018-05-23
US20200090670A1 (en) 2020-03-19
JP7007344B2 (ja) 2022-01-24
PL3417544T3 (pl) 2020-06-29
EP3417544B1 (en) 2019-12-04
WO2017140600A1 (en) 2017-08-24
CA2985019C (en) 2022-05-03
TW201732784A (zh) 2017-09-16
EP3627507A1 (en) 2020-03-25
US20180190303A1 (en) 2018-07-05
MX2017014734A (es) 2018-06-28
RU2685024C1 (ru) 2019-04-16
MX371223B (es) 2020-01-09
AU2017219696B2 (en) 2018-11-08
ES2771200T3 (es) 2020-07-06
AU2017219696A1 (en) 2017-11-16
EP3417544A1 (en) 2018-12-26
KR20180016417A (ko) 2018-02-14
JP6603414B2 (ja) 2019-11-06
US20200402520A1 (en) 2020-12-24
CN107925388B (zh) 2021-11-30

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