KR101891872B1 - 이득 결정을 위한 필터링을 수행하는 방법 및 시스템 - Google Patents

이득 결정을 위한 필터링을 수행하는 방법 및 시스템 Download PDF

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KR101891872B1
KR101891872B1 KR1020157023785A KR20157023785A KR101891872B1 KR 101891872 B1 KR101891872 B1 KR 101891872B1 KR 1020157023785 A KR1020157023785 A KR 1020157023785A KR 20157023785 A KR20157023785 A KR 20157023785A KR 101891872 B1 KR101891872 B1 KR 101891872B1
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audio signal
lsp
highband
band
frame
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KR20150116881A (ko
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벤카트라만 스리니바사 아티
벤카테쉬 크리쉬난
비베크 라젠드란
스테빤 피에르 빌레뜨
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퀄컴 인코포레이티드
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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
    • G10L19/03—Spectral prediction for preventing pre-echo; Temporary noise shaping [TNS], e.g. in MPEG2 or MPEG4
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G10L19/07—Line spectrum pair [LSP] 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
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
KR1020157023785A 2013-02-08 2013-08-06 이득 결정을 위한 필터링을 수행하는 방법 및 시스템 Active KR101891872B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201361762807P 2013-02-08 2013-02-08
US61/762,807 2013-02-08
US13/959,188 US9711156B2 (en) 2013-02-08 2013-08-05 Systems and methods of performing filtering for gain determination
US13/959,188 2013-08-05
PCT/US2013/053806 WO2014123579A1 (en) 2013-02-08 2013-08-06 Systems and methods of performing filtering for gain determination

Publications (2)

Publication Number Publication Date
KR20150116881A KR20150116881A (ko) 2015-10-16
KR101891872B1 true KR101891872B1 (ko) 2018-08-24

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US (1) US9711156B2 (enExample)
EP (1) EP2954523B1 (enExample)
JP (1) JP6456847B2 (enExample)
KR (1) KR101891872B1 (enExample)
CN (1) CN104969291B (enExample)
AU (1) AU2013377885B2 (enExample)
BR (1) BR112015019040B1 (enExample)
CA (1) CA2896814C (enExample)
DK (1) DK2954523T3 (enExample)
ES (1) ES2715847T3 (enExample)
HU (1) HUE042387T2 (enExample)
IL (1) IL239719A (enExample)
MY (1) MY171188A (enExample)
PH (1) PH12015501516B1 (enExample)
PL (1) PL2954523T3 (enExample)
PT (1) PT2954523T (enExample)
RU (1) RU2643628C2 (enExample)
SG (1) SG11201505067TA (enExample)
SI (1) SI2954523T1 (enExample)
UA (1) UA116371C2 (enExample)
WO (1) WO2014123579A1 (enExample)
ZA (1) ZA201506577B (enExample)

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CN105225666B (zh) 2014-06-25 2016-12-28 华为技术有限公司 处理丢失帧的方法和装置
CN104217726A (zh) * 2014-09-01 2014-12-17 东莞中山大学研究院 一种无损音频压缩编码方法及其解码方法
WO2016142002A1 (en) * 2015-03-09 2016-09-15 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal
US10049684B2 (en) * 2015-04-05 2018-08-14 Qualcomm Incorporated Audio bandwidth selection
US10020002B2 (en) 2015-04-05 2018-07-10 Qualcomm Incorporated Gain parameter estimation based on energy saturation and signal scaling
US9380150B1 (en) * 2015-09-16 2016-06-28 Captioncall, Llc Methods and devices for automatic volume control of a far-end voice signal provided to a captioning communication service
MY190424A (en) * 2016-04-12 2022-04-21 Fraunhofer Ges Forschung Audio encoder for encoding an audio signal, method for encoding an audio signal and computer program under consideration of a detected peak spectral region in an upper frequency band
GB2582749A (en) * 2019-03-28 2020-10-07 Nokia Technologies Oy Determination of the significance of spatial audio parameters and associated encoding
US11321047B2 (en) 2020-06-11 2022-05-03 Sorenson Ip Holdings, Llc Volume adjustments
CN114093391B (zh) * 2020-07-29 2025-02-25 华为技术有限公司 一种异常信号的过滤方法及装置

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JP2008536169A (ja) 2005-04-01 2008-09-04 クゥアルコム・インコーポレイテッド 高帯域バーストの抑制のためのシステム、方法、および装置
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AU2013377885A1 (en) 2015-07-23
BR112015019040A2 (pt) 2017-07-18
UA116371C2 (uk) 2018-03-12
RU2015138109A (ru) 2017-03-16
MY171188A (en) 2019-09-30
CN104969291A (zh) 2015-10-07
KR20150116881A (ko) 2015-10-16
SG11201505067TA (en) 2015-08-28
CN104969291B (zh) 2018-10-26
HK1211377A1 (en) 2016-05-20
AU2013377885B2 (en) 2019-07-18
ES2715847T3 (es) 2019-06-06
US20140229171A1 (en) 2014-08-14
DK2954523T3 (en) 2019-03-25
PT2954523T (pt) 2019-03-25
BR112015019040B1 (pt) 2021-12-07
ZA201506577B (en) 2018-08-29
SI2954523T1 (sl) 2019-04-30
PH12015501516A1 (en) 2015-09-21
JP2016511436A (ja) 2016-04-14
JP6456847B2 (ja) 2019-01-23
WO2014123579A1 (en) 2014-08-14
CA2896814C (en) 2018-08-14
EP2954523B1 (en) 2018-12-19
CA2896814A1 (en) 2014-08-14
PL2954523T3 (pl) 2019-05-31
PH12015501516B1 (en) 2018-09-05
IL239719A0 (en) 2015-08-31
RU2643628C2 (ru) 2018-02-02
US9711156B2 (en) 2017-07-18
IL239719A (en) 2016-11-30
EP2954523A1 (en) 2015-12-16
HUE042387T2 (hu) 2019-06-28

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