KR101895391B1 - 오디오 신호의 배경 잡음 추정 - Google Patents

오디오 신호의 배경 잡음 추정 Download PDF

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KR101895391B1
KR101895391B1 KR1020177002593A KR20177002593A KR101895391B1 KR 101895391 B1 KR101895391 B1 KR 101895391B1 KR 1020177002593 A KR1020177002593 A KR 1020177002593A KR 20177002593 A KR20177002593 A KR 20177002593A KR 101895391 B1 KR101895391 B1 KR 101895391B1
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audio signal
linear prediction
background noise
signal segment
estimate
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KR20170026545A (ko
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마르틴 셀스테트
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텔레호낙티에볼라게트 엘엠 에릭슨(피유비엘)
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    • 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
    • G10L19/0208—Subband vocoders
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals
    • 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
    • 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
    • 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
    • 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
    • G10L21/0324—Details of processing therefor
    • 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
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • G10L21/0388—Details of processing therefor
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/12—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being prediction coefficients

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Noise Elimination (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020177002593A 2014-07-29 2015-07-01 오디오 신호의 배경 잡음 추정 Active KR101895391B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201462030121P 2014-07-29 2014-07-29
US62/030,121 2014-07-29
PCT/SE2015/050770 WO2016018186A1 (en) 2014-07-29 2015-07-01 Estimation of background noise in audio signals

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KR101895391B1 true KR101895391B1 (ko) 2018-09-07

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DK (1) DK3582221T3 (https=)
ES (3) ES2664348T3 (https=)
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MY (1) MY178131A (https=)
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CN111863016B (zh) * 2020-06-15 2022-09-02 云南国土资源职业学院 一种天文时序信号的噪声估计方法
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Cited By (2)

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KR20180100452A (ko) * 2014-07-29 2018-09-10 텔레호낙티에볼라게트 엘엠 에릭슨(피유비엘) 오디오 신호의 배경 잡음 추정
KR102012325B1 (ko) * 2014-07-29 2019-08-20 텔레호낙티에볼라게트 엘엠 에릭슨(피유비엘) 오디오 신호의 배경 잡음 추정

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RU2020100879A (ru) 2021-07-14
JP6600337B2 (ja) 2019-10-30
HUE037050T2 (hu) 2018-08-28
ES2664348T3 (es) 2018-04-19
RU2018129139A3 (https=) 2019-12-20
KR20170026545A (ko) 2017-03-08
MX365694B (es) 2019-06-11
RU2665916C2 (ru) 2018-09-04
PH12017500031A1 (en) 2017-05-15
ES2758517T3 (es) 2020-05-05
RU2018129139A (ru) 2019-03-14
RU2760346C2 (ru) 2021-11-24
NZ743390A (en) 2021-03-26
US11114105B2 (en) 2021-09-07
CN106575511B (zh) 2021-02-23
MX2021010373A (es) 2023-01-18
US12347446B2 (en) 2025-07-01
KR20180100452A (ko) 2018-09-10
KR102267986B1 (ko) 2021-06-22
US11636865B2 (en) 2023-04-25
BR112017001643B1 (pt) 2021-01-12
US10347265B2 (en) 2019-07-09
BR112017001643A2 (pt) 2018-01-30
ZA201903140B (en) 2020-09-30
KR102012325B1 (ko) 2019-08-20
US20190267017A1 (en) 2019-08-29
EP3309784B1 (en) 2019-09-04
CN112927724A (zh) 2021-06-08
PT3309784T (pt) 2019-11-21
EP3582221B1 (en) 2021-02-24
CA2956531C (en) 2020-03-24
MX2019005799A (es) 2019-08-12
PL3309784T3 (pl) 2020-02-28
EP3175458A1 (en) 2017-06-07
DK3582221T3 (da) 2021-04-19
PL3582221T3 (pl) 2021-07-26
US20180158465A1 (en) 2018-06-07
CA2956531A1 (en) 2016-02-04
US20230215447A1 (en) 2023-07-06
JP2017515138A (ja) 2017-06-08
RU2713852C2 (ru) 2020-02-07
EP3175458B1 (en) 2017-12-27
MX2017000805A (es) 2017-05-04
WO2016018186A1 (en) 2016-02-04
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