PL3175454T3 - Urządzenie i sposób do przetwarzania sygnału audio z wykorzystaniem końcowego filtra harmonicznego - Google Patents

Urządzenie i sposób do przetwarzania sygnału audio z wykorzystaniem końcowego filtra harmonicznego

Info

Publication number
PL3175454T3
PL3175454T3 PL15742238T PL15742238T PL3175454T3 PL 3175454 T3 PL3175454 T3 PL 3175454T3 PL 15742238 T PL15742238 T PL 15742238T PL 15742238 T PL15742238 T PL 15742238T PL 3175454 T3 PL3175454 T3 PL 3175454T3
Authority
PL
Poland
Prior art keywords
filter
processing
audio signal
harmonic post
harmonic
Prior art date
Application number
PL15742238T
Other languages
English (en)
Inventor
Emmanuel Ravelli
Christian Helmrich
Goran MARKOVIC
Matthias Neusinger
Sascha Disch
Manuel Jander
Martin Dietz
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 PL3175454T3 publication Critical patent/PL3175454T3/pl

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
    • G10L19/04—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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L21/00—Vacuum gauges
    • G01L21/02—Vacuum gauges having a compression chamber in which gas, whose pressure is to be measured, is compressed
    • 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
    • G10L19/0212—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 orthogonal transformation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Stereophonic System (AREA)
PL15742238T 2014-07-28 2015-07-24 Urządzenie i sposób do przetwarzania sygnału audio z wykorzystaniem końcowego filtra harmonicznego PL3175454T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP14178820.8A EP2980799A1 (en) 2014-07-28 2014-07-28 Apparatus and method for processing an audio signal using a harmonic post-filter
EP15742238.7A EP3175454B1 (en) 2014-07-28 2015-07-24 Apparatus and method for processing an audio signal using a harmonic post-filter
PCT/EP2015/066998 WO2016016121A1 (en) 2014-07-28 2015-07-24 Apparatus and method for processing an audio signal using a harmonic post-filter

Publications (1)

Publication Number Publication Date
PL3175454T3 true PL3175454T3 (pl) 2018-11-30

Family

ID=51224878

Family Applications (1)

Application Number Title Priority Date Filing Date
PL15742238T PL3175454T3 (pl) 2014-07-28 2015-07-24 Urządzenie i sposób do przetwarzania sygnału audio z wykorzystaniem końcowego filtra harmonicznego

Country Status (17)

Country Link
US (5) US10242688B2 (pl)
EP (2) EP2980799A1 (pl)
JP (5) JP6546264B2 (pl)
KR (1) KR101959211B1 (pl)
CN (2) CN106663444B (pl)
AR (1) AR101340A1 (pl)
AU (1) AU2015295603B2 (pl)
CA (1) CA2955255C (pl)
ES (1) ES2676584T3 (pl)
MX (1) MX360555B (pl)
MY (1) MY179023A (pl)
PL (1) PL3175454T3 (pl)
PT (1) PT3175454T (pl)
RU (1) RU2665259C1 (pl)
SG (1) SG11201700696UA (pl)
TW (1) TWI590238B (pl)
WO (1) WO2016016121A1 (pl)

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Also Published As

Publication number Publication date
CN106663444B (zh) 2020-12-01
US20250118316A1 (en) 2025-04-10
TW201618086A (zh) 2016-05-16
US20190198034A1 (en) 2019-06-27
KR101959211B1 (ko) 2019-03-18
MY179023A (en) 2020-10-26
JP7733688B2 (ja) 2025-09-03
US11037580B2 (en) 2021-06-15
WO2016016121A1 (en) 2016-02-04
US12190897B2 (en) 2025-01-07
JP6546264B2 (ja) 2019-07-17
MX2017001242A (es) 2017-07-07
JP2021064009A (ja) 2021-04-22
JP6877488B2 (ja) 2021-05-26
SG11201700696UA (en) 2017-02-27
PT3175454T (pt) 2018-10-08
BR112017001631A2 (pt) 2017-11-21
AR101340A1 (es) 2016-12-14
AU2015295603A1 (en) 2017-03-16
CN112420061A (zh) 2021-02-26
CA2955255A1 (en) 2016-02-04
US11694704B2 (en) 2023-07-04
KR20170035987A (ko) 2017-03-31
US20230282223A1 (en) 2023-09-07
JP2025131828A (ja) 2025-09-09
AU2015295603B2 (en) 2018-02-08
TWI590238B (zh) 2017-07-01
ES2676584T3 (es) 2018-07-23
JP7340553B2 (ja) 2023-09-07
JP2023072014A (ja) 2023-05-23
CA2955255C (en) 2019-04-30
US10242688B2 (en) 2019-03-26
EP2980799A1 (en) 2016-02-03
RU2665259C1 (ru) 2018-08-28
MX360555B (es) 2018-11-07
CN106663444A (zh) 2017-05-10
CN112420061B (zh) 2024-08-06
EP3175454A1 (en) 2017-06-07
US20170140769A1 (en) 2017-05-18
JP2017522604A (ja) 2017-08-10
US20210125624A1 (en) 2021-04-29
JP2019194716A (ja) 2019-11-07
EP3175454B1 (en) 2018-06-20

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