PT3175447T - Aparelho e método para seleção de modo de geração de ruído de conforto - Google Patents

Aparelho e método para seleção de modo de geração de ruído de conforto

Info

Publication number
PT3175447T
PT3175447T PT157383654T PT15738365T PT3175447T PT 3175447 T PT3175447 T PT 3175447T PT 157383654 T PT157383654 T PT 157383654T PT 15738365 T PT15738365 T PT 15738365T PT 3175447 T PT3175447 T PT 3175447T
Authority
PT
Portugal
Prior art keywords
mode selection
generation mode
noise generation
comfort noise
comfort
Prior art date
Application number
PT157383654T
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 PT3175447T publication Critical patent/PT3175447T/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
    • G10L19/012—Comfort noise or silence coding
    • 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
    • G10L19/0204—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 subband decomposition
    • 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
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
    • 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
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L21/0232—Processing in the frequency domain

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)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
PT157383654T 2014-07-28 2015-07-16 Aparelho e método para seleção de modo de geração de ruído de conforto PT3175447T (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14178782.0A EP2980790A1 (en) 2014-07-28 2014-07-28 Apparatus and method for comfort noise generation mode selection

Publications (1)

Publication Number Publication Date
PT3175447T true PT3175447T (pt) 2020-07-28

Family

ID=51224868

Family Applications (1)

Application Number Title Priority Date Filing Date
PT157383654T PT3175447T (pt) 2014-07-28 2015-07-16 Aparelho e método para seleção de modo de geração de ruído de conforto

Country Status (18)

Country Link
US (2) US10089993B2 (pt)
EP (3) EP2980790A1 (pt)
JP (3) JP6494740B2 (pt)
KR (1) KR102008488B1 (pt)
CN (2) CN106663436B (pt)
AR (1) AR101342A1 (pt)
AU (1) AU2015295679B2 (pt)
CA (1) CA2955757C (pt)
ES (1) ES2802373T3 (pt)
MX (1) MX360556B (pt)
MY (1) MY181456A (pt)
PL (1) PL3175447T3 (pt)
PT (1) PT3175447T (pt)
RU (1) RU2696466C2 (pt)
SG (1) SG11201700688RA (pt)
TW (1) TWI587287B (pt)
WO (1) WO2016016013A1 (pt)
ZA (1) ZA201701285B (pt)

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Also Published As

Publication number Publication date
RU2017105449A (ru) 2018-08-28
US20170140765A1 (en) 2017-05-18
EP2980790A1 (en) 2016-02-03
JP2021113976A (ja) 2021-08-05
KR102008488B1 (ko) 2019-08-08
RU2696466C2 (ru) 2019-08-01
TW201606752A (zh) 2016-02-16
CA2955757A1 (en) 2016-02-04
WO2016016013A1 (en) 2016-02-04
JP7258936B2 (ja) 2023-04-17
US20220208201A1 (en) 2022-06-30
MX360556B (es) 2018-11-07
CN113140224B (zh) 2024-02-27
EP3706120A1 (en) 2020-09-09
JP6494740B2 (ja) 2019-04-03
AU2015295679B2 (en) 2017-12-21
TWI587287B (zh) 2017-06-11
CN106663436A (zh) 2017-05-10
US20190027154A1 (en) 2019-01-24
EP3175447A1 (en) 2017-06-07
AU2015295679A1 (en) 2017-02-16
CN106663436B (zh) 2021-03-30
ES2802373T3 (es) 2021-01-19
AR101342A1 (es) 2016-12-14
JP2017524157A (ja) 2017-08-24
KR20170037649A (ko) 2017-04-04
SG11201700688RA (en) 2017-02-27
PL3175447T3 (pl) 2020-11-02
JP2019124951A (ja) 2019-07-25
RU2017105449A3 (pt) 2018-08-28
CA2955757C (en) 2019-04-30
MX2017001237A (es) 2017-03-14
MY181456A (en) 2020-12-22
CN113140224A (zh) 2021-07-20
US11250864B2 (en) 2022-02-15
BR112017001394A2 (pt) 2017-11-21
EP3175447B1 (en) 2020-05-06
ZA201701285B (en) 2018-05-30
US10089993B2 (en) 2018-10-02
JP6859379B2 (ja) 2021-04-14

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