PT2954523T - Sistemas e métodos de realização de uma filtragem para determinação do ganho - Google Patents

Sistemas e métodos de realização de uma filtragem para determinação do ganho

Info

Publication number
PT2954523T
PT2954523T PT13753450T PT13753450T PT2954523T PT 2954523 T PT2954523 T PT 2954523T PT 13753450 T PT13753450 T PT 13753450T PT 13753450 T PT13753450 T PT 13753450T PT 2954523 T PT2954523 T PT 2954523T
Authority
PT
Portugal
Prior art keywords
systems
methods
performing filtering
gain determination
gain
Prior art date
Application number
PT13753450T
Other languages
English (en)
Portuguese (pt)
Inventor
Srinivasa Atti Venkatraman
Krishnan Venkatesh
Rajendran Vivek
Pierre Villette Stephane
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of PT2954523T publication Critical patent/PT2954523T/pt

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/03Spectral prediction for preventing pre-echo; Temporary noise shaping [TNS], e.g. in MPEG2 or MPEG4
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/24Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208Noise filtering
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • G10L21/0388Details of processing therefor
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/06Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G10L19/07Line spectrum pair [LSP] vocoders
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208Noise filtering
    • G10L21/0216Noise filtering characterised by the method used for estimating noise

Landscapes

  • 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)
PT13753450T 2013-02-08 2013-08-06 Sistemas e métodos de realização de uma filtragem para determinação do ganho PT2954523T (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361762807P 2013-02-08 2013-02-08
US13/959,188 US9711156B2 (en) 2013-02-08 2013-08-05 Systems and methods of performing filtering for gain determination

Publications (1)

Publication Number Publication Date
PT2954523T true PT2954523T (pt) 2019-03-25

Family

ID=51298066

Family Applications (1)

Application Number Title Priority Date Filing Date
PT13753450T PT2954523T (pt) 2013-02-08 2013-08-06 Sistemas e métodos de realização de uma filtragem para determinação do ganho

Country Status (22)

Country Link
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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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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Also Published As

Publication number Publication date
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
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
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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