KR102267986B1 - 오디오 신호의 배경 잡음 추정 - Google Patents

오디오 신호의 배경 잡음 추정 Download PDF

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KR102267986B1
KR102267986B1 KR1020197023763A KR20197023763A KR102267986B1 KR 102267986 B1 KR102267986 B1 KR 102267986B1 KR 1020197023763 A KR1020197023763 A KR 1020197023763A KR 20197023763 A KR20197023763 A KR 20197023763A KR 102267986 B1 KR102267986 B1 KR 102267986B1
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linear prediction
audio signal
background noise
estimate
energy
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KR20190097321A (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
    • 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
    • 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

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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)
KR1020197023763A 2014-07-29 2015-07-01 오디오 신호의 배경 잡음 추정 Active KR102267986B1 (ko)

Applications Claiming Priority (4)

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
KR1020187025077A KR102012325B1 (ko) 2014-07-29 2015-07-01 오디오 신호의 배경 잡음 추정

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KR102267986B1 true KR102267986B1 (ko) 2021-06-22

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CN (3) CN106575511B (enExample)
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KR102446392B1 (ko) * 2015-09-23 2022-09-23 삼성전자주식회사 음성 인식이 가능한 전자 장치 및 방법
CN105897455A (zh) * 2015-11-16 2016-08-24 乐视云计算有限公司 用于检测功能管理配置服务器运营的方法、合法客户端、cdn节点及系统
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CN110110437B (zh) * 2019-05-07 2023-08-29 中汽研（天津）汽车工程研究院有限公司 一种基于相关区间不确定性理论的汽车高频噪声预测方法
CN111554314B (zh) * 2020-05-15 2024-08-16 腾讯科技（深圳）有限公司 噪声检测方法、装置、终端及存储介质
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
CN113539283B (zh) * 2020-12-03 2024-07-16 腾讯科技（深圳）有限公司 基于人工智能的音频处理方法、装置、电子设备及存储介质

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PL3309784T3 (pl) 2020-02-28
PT3309784T (pt) 2019-11-21
BR112017001643B1 (pt) 2021-01-12
EP3309784A1 (en) 2018-04-18
CN112927724B (zh) 2024-03-22
US9870780B2 (en) 2018-01-16
PH12017500031A1 (en) 2017-05-15
KR20170026545A (ko) 2017-03-08
US20170069331A1 (en) 2017-03-09
NZ743390A (en) 2021-03-26
KR102012325B1 (ko) 2019-08-20
RU2665916C2 (ru) 2018-09-04
RU2018129139A3 (enExample) 2019-12-20
JP6788086B2 (ja) 2020-11-18
CN106575511B (zh) 2021-02-23
US12347446B2 (en) 2025-07-01
CN112927724A (zh) 2021-06-08
CN112927725A (zh) 2021-06-08
RU2018129139A (ru) 2019-03-14
PL3582221T3 (pl) 2021-07-26
RU2020100879A3 (enExample) 2021-10-13
EP3582221B1 (en) 2021-02-24
JP6600337B2 (ja) 2019-10-30
HUE037050T2 (hu) 2018-08-28
ES2758517T3 (es) 2020-05-05
ES2664348T3 (es) 2018-04-19
US20180158465A1 (en) 2018-06-07
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JP2018041083A (ja) 2018-03-15
US20190267017A1 (en) 2019-08-29
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US11114105B2 (en) 2021-09-07
MX365694B (es) 2019-06-11
KR20190097321A (ko) 2019-08-20
EP3175458A1 (en) 2017-06-07
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WO2016018186A1 (en) 2016-02-04
US10347265B2 (en) 2019-07-09
CA2956531C (en) 2020-03-24
RU2760346C2 (ru) 2021-11-24
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US20230215447A1 (en) 2023-07-06
CA2956531A1 (en) 2016-02-04
RU2020100879A (ru) 2021-07-14
CN106575511A (zh) 2017-04-19
ES2869141T3 (es) 2021-10-25
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EP3175458B1 (en) 2017-12-27
JP2020024435A (ja) 2020-02-13
KR20180100452A (ko) 2018-09-10
DK3582221T3 (da) 2021-04-19
BR112017001643A2 (pt) 2018-01-30
JP6208377B2 (ja) 2017-10-04
ZA201903140B (en) 2020-09-30
RU2713852C2 (ru) 2020-02-07
RU2017106163A (ru) 2018-08-28
US11636865B2 (en) 2023-04-25
EP3582221A1 (en) 2019-12-18
US20250285630A1 (en) 2025-09-11
CN112927725B (zh) 2025-02-18
MY178131A (en) 2020-10-05
MX2021010373A (es) 2023-01-18
KR101895391B1 (ko) 2018-09-07
JP2017515138A (ja) 2017-06-08

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