PL3175445T3 - Urządzenie i sposób ulepszania sygnału audio, system ulepszania sygnału audio - Google Patents

Urządzenie i sposób ulepszania sygnału audio, system ulepszania sygnału audio

Info

Publication number
PL3175445T3
PL3175445T3 PL15745433T PL15745433T PL3175445T3 PL 3175445 T3 PL3175445 T3 PL 3175445T3 PL 15745433 T PL15745433 T PL 15745433T PL 15745433 T PL15745433 T PL 15745433T PL 3175445 T3 PL3175445 T3 PL 3175445T3
Authority
PL
Poland
Prior art keywords
enhancing
audio signal
sound
enhancing system
sound enhancing
Prior art date
Application number
PL15745433T
Other languages
English (en)
Inventor
Christian Uhle
Patrick Gampp
Oliver Hellmuth
Stefan Varga
Sebastian Scharrer
Original Assignee
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
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-Gesellschaft zur Förderung der angewandten Forschung e.V. filed Critical Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
Publication of PL3175445T3 publication Critical patent/PL3175445T3/pl

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0272Voice signal separating
    • G10L21/0308Voice signal separating characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive techniques
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • G10L19/0204Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • G10L19/025Detection of transients or attacks for time/frequency resolution switching
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208Noise filtering
    • G10L21/0264Noise filtering characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
PL15745433T 2014-07-30 2015-07-27 Urządzenie i sposób ulepszania sygnału audio, system ulepszania sygnału audio PL3175445T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP14179181.4A EP2980789A1 (en) 2014-07-30 2014-07-30 Apparatus and method for enhancing an audio signal, sound enhancing system
PCT/EP2015/067158 WO2016016189A1 (en) 2014-07-30 2015-07-27 Apparatus and method for enhancing an audio signal, sound enhancing system
EP15745433.1A EP3175445B8 (en) 2014-07-30 2015-07-27 Apparatus and method for enhancing an audio signal, sound enhancing system

Publications (1)

Publication Number Publication Date
PL3175445T3 true PL3175445T3 (pl) 2020-09-21

Family

ID=51228374

Family Applications (1)

Application Number Title Priority Date Filing Date
PL15745433T PL3175445T3 (pl) 2014-07-30 2015-07-27 Urządzenie i sposób ulepszania sygnału audio, system ulepszania sygnału audio

Country Status (12)

Country Link
US (1) US10242692B2 (pl)
EP (2) EP2980789A1 (pl)
JP (1) JP6377249B2 (pl)
KR (1) KR101989062B1 (pl)
CN (1) CN106796792B (pl)
AU (1) AU2015295518B2 (pl)
CA (1) CA2952157C (pl)
ES (1) ES2797742T3 (pl)
MX (1) MX362419B (pl)
PL (1) PL3175445T3 (pl)
RU (1) RU2666316C2 (pl)
WO (1) WO2016016189A1 (pl)

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Also Published As

Publication number Publication date
AU2015295518B2 (en) 2017-09-28
RU2017106093A (ru) 2018-08-28
CA2952157A1 (en) 2016-02-04
MX2017001253A (es) 2017-06-20
CN106796792B (zh) 2021-03-26
JP6377249B2 (ja) 2018-08-22
BR112017000645A2 (pt) 2017-11-14
CN106796792A (zh) 2017-05-31
EP3175445A1 (en) 2017-06-07
KR20170016488A (ko) 2017-02-13
MX362419B (es) 2019-01-16
JP2017526265A (ja) 2017-09-07
KR101989062B1 (ko) 2019-06-13
RU2017106093A3 (pl) 2018-08-28
EP2980789A1 (en) 2016-02-03
ES2797742T3 (es) 2020-12-03
EP3175445B8 (en) 2020-08-19
RU2666316C2 (ru) 2018-09-06
CA2952157C (en) 2019-03-19
WO2016016189A1 (en) 2016-02-04
EP3175445B1 (en) 2020-04-15
AU2015295518A1 (en) 2017-02-02
US20170133034A1 (en) 2017-05-11
US10242692B2 (en) 2019-03-26

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