CN104969291B - 执行用于增益确定的滤波的系统及方法 - Google Patents

执行用于增益确定的滤波的系统及方法 Download PDF

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Publication number
CN104969291B
CN104969291B CN201380071701.8A CN201380071701A CN104969291B CN 104969291 B CN104969291 B CN 104969291B CN 201380071701 A CN201380071701 A CN 201380071701A CN 104969291 B CN104969291 B CN 104969291B
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frequency band
audio signal
frame
high frequency
filtered
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CN104969291A (zh
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芬卡特拉曼·斯里尼瓦沙·阿提
文卡特什·克里希南
维韦克·拉金德朗
斯特凡那·皮埃尔·维莱特
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Qualcomm Inc
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Qualcomm Inc
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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)
CN201380071701.8A 2013-02-08 2013-08-06 执行用于增益确定的滤波的系统及方法 Active CN104969291B (zh)

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
CN104969291A CN104969291A (zh) 2015-10-07
CN104969291B true CN104969291B (zh) 2018-10-26

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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
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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
KR101891872B1 (ko) 2018-08-24
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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