CA2962806C - Decoding method and decoder for dialog enhancement - Google Patents

Decoding method and decoder for dialog enhancement Download PDF

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Publication number
CA2962806C
CA2962806C CA2962806A CA2962806A CA2962806C CA 2962806 C CA2962806 C CA 2962806C CA 2962806 A CA2962806 A CA 2962806A CA 2962806 A CA2962806 A CA 2962806A CA 2962806 C CA2962806 C CA 2962806C
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Prior art keywords
parameters
dialog
subset
channels
enhancement
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CA2962806A
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English (en)
French (fr)
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CA2962806A1 (en
Inventor
Jeroen Koppens
Per Ekstrand
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Dolby International AB
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Dolby International AB
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Publication of CA2962806A1 publication Critical patent/CA2962806A1/en
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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
    • 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
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • 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
    • 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
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Telephonic Communication Services (AREA)
CA2962806A 2014-10-02 2015-09-30 Decoding method and decoder for dialog enhancement Active CA2962806C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201462059015P 2014-10-02 2014-10-02
US62/059,015 2014-10-02
US201562128331P 2015-03-04 2015-03-04
US62/128,331 2015-03-04
PCT/EP2015/072578 WO2016050854A1 (en) 2014-10-02 2015-09-30 Decoding method and decoder for dialog enhancement

Publications (2)

Publication Number Publication Date
CA2962806A1 CA2962806A1 (en) 2016-04-07
CA2962806C true CA2962806C (en) 2023-03-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA2962806A Active CA2962806C (en) 2014-10-02 2015-09-30 Decoding method and decoder for dialog enhancement

Country Status (19)

Country Link
US (1) US10170131B2 (https=)
EP (1) EP3201918B1 (https=)
JP (1) JP6728146B2 (https=)
KR (1) KR102426965B1 (https=)
CN (1) CN106796804B (https=)
AU (1) AU2015326856B2 (https=)
BR (1) BR112017006325B1 (https=)
CA (1) CA2962806C (https=)
DK (1) DK3201918T3 (https=)
ES (1) ES2709327T3 (https=)
IL (1) IL251263B (https=)
MX (1) MX364166B (https=)
MY (1) MY179448A (https=)
PL (1) PL3201918T3 (https=)
RU (1) RU2701055C2 (https=)
SG (1) SG11201702301SA (https=)
TW (1) TWI575510B (https=)
UA (1) UA120372C2 (https=)
WO (1) WO2016050854A1 (https=)

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JP7810612B2 (ja) * 2022-06-16 2026-02-03 シャープ株式会社 放送システム、受信機、受信方法、及びプログラム

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Also Published As

Publication number Publication date
AU2015326856A1 (en) 2017-04-06
BR112017006325A2 (pt) 2018-01-16
KR20170063667A (ko) 2017-06-08
JP6728146B2 (ja) 2020-07-22
CN106796804B (zh) 2020-09-18
IL251263B (en) 2019-07-31
IL251263A0 (en) 2017-05-29
ES2709327T3 (es) 2019-04-16
DK3201918T3 (en) 2019-02-25
PL3201918T3 (pl) 2019-04-30
RU2017110842A3 (https=) 2019-05-15
MX364166B (es) 2019-04-15
JP2017534904A (ja) 2017-11-24
RU2701055C2 (ru) 2019-09-24
RU2017110842A (ru) 2018-10-01
SG11201702301SA (en) 2017-04-27
US20170309288A1 (en) 2017-10-26
UA120372C2 (uk) 2019-11-25
KR102426965B1 (ko) 2022-08-01
US10170131B2 (en) 2019-01-01
BR112017006325B1 (pt) 2023-12-26
CA2962806A1 (en) 2016-04-07
MX2017004194A (es) 2017-05-19
TWI575510B (zh) 2017-03-21
TW201627983A (zh) 2016-08-01
AU2015326856B2 (en) 2021-04-08
EP3201918A1 (en) 2017-08-09
CN106796804A (zh) 2017-05-31
EP3201918B1 (en) 2018-12-12
MY179448A (en) 2020-11-06
WO2016050854A1 (en) 2016-04-07

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