CA2896811C - Systems and methods of performing gain control - Google Patents

Systems and methods of performing gain control Download PDF

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Publication number
CA2896811C
CA2896811C CA2896811A CA2896811A CA2896811C CA 2896811 C CA2896811 C CA 2896811C CA 2896811 A CA2896811 A CA 2896811A CA 2896811 A CA2896811 A CA 2896811A CA 2896811 C CA2896811 C CA 2896811C
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Canada
Prior art keywords
gain
band
audio signal
lsp
received audio
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CA2896811A
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English (en)
French (fr)
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CA2896811A1 (en
Inventor
Venkatraman Srinivasa ATTI
Venkatesh Krishnan
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Qualcomm Inc
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Qualcomm Inc
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Publication of CA2896811A1 publication Critical patent/CA2896811A1/en
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Classifications

    • 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
    • G10L21/0264Noise filtering characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive techniques
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Noise Elimination (AREA)
  • Telephone Function (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Stereophonic System (AREA)
CA2896811A 2013-02-08 2013-08-06 Systems and methods of performing gain control Active CA2896811C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201361762803P 2013-02-08 2013-02-08
US61/762,803 2013-02-08
US13/959,090 US9741350B2 (en) 2013-02-08 2013-08-05 Systems and methods of performing gain control
US13/959,090 2013-08-05
PCT/US2013/053791 WO2014123578A1 (en) 2013-02-08 2013-08-06 Systems and methods of performing gain control

Publications (2)

Publication Number Publication Date
CA2896811A1 CA2896811A1 (en) 2014-08-14
CA2896811C true CA2896811C (en) 2018-07-31

Family

ID=51298065

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2896811A Active CA2896811C (en) 2013-02-08 2013-08-06 Systems and methods of performing gain control

Country Status (24)

Country Link
US (1) US9741350B2 (enExample)
EP (1) EP2954524B1 (enExample)
JP (1) JP6185085B2 (enExample)
KR (1) KR101783114B1 (enExample)
CN (1) CN104956437B (enExample)
AU (1) AU2013377884B2 (enExample)
BR (1) BR112015019056B1 (enExample)
CA (1) CA2896811C (enExample)
DK (1) DK2954524T3 (enExample)
ES (1) ES2618258T3 (enExample)
HR (1) HRP20170232T1 (enExample)
HU (1) HUE031736T2 (enExample)
IL (1) IL239718A (enExample)
MY (1) MY183416A (enExample)
PH (1) PH12015501694B1 (enExample)
PT (1) PT2954524T (enExample)
RS (1) RS55653B1 (enExample)
RU (1) RU2643454C2 (enExample)
SG (1) SG11201505066SA (enExample)
SI (1) SI2954524T1 (enExample)
SM (1) SMT201700172T1 (enExample)
UA (1) UA114027C2 (enExample)
WO (1) WO2014123578A1 (enExample)
ZA (1) ZA201506578B (enExample)

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CN108011686B (zh) * 2016-10-31 2020-07-14 腾讯科技(深圳)有限公司 信息编码帧丢失恢复方法和装置
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Also Published As

Publication number Publication date
PH12015501694A1 (en) 2015-10-19
US9741350B2 (en) 2017-08-22
HK1211376A1 (en) 2016-05-20
RS55653B1 (sr) 2017-06-30
RU2015138122A (ru) 2017-03-15
DK2954524T3 (en) 2017-02-27
US20140229170A1 (en) 2014-08-14
PT2954524T (pt) 2017-03-02
EP2954524B1 (en) 2016-12-07
MY183416A (en) 2021-02-18
AU2013377884A1 (en) 2015-07-23
SMT201700172T1 (it) 2017-05-08
IL239718A (en) 2017-09-28
BR112015019056A2 (pt) 2017-07-18
CA2896811A1 (en) 2014-08-14
SG11201505066SA (en) 2015-08-28
KR101783114B1 (ko) 2017-09-28
BR112015019056B1 (pt) 2021-12-14
SI2954524T1 (sl) 2017-03-31
IL239718A0 (en) 2015-08-31
CN104956437A (zh) 2015-09-30
KR20150116880A (ko) 2015-10-16
AU2013377884B2 (en) 2018-08-02
CN104956437B (zh) 2018-10-26
WO2014123578A1 (en) 2014-08-14
EP2954524A1 (en) 2015-12-16
PH12015501694B1 (en) 2019-01-23
ZA201506578B (en) 2017-07-26
HUE031736T2 (en) 2017-07-28
JP2016507087A (ja) 2016-03-07
UA114027C2 (xx) 2017-04-10
RU2643454C2 (ru) 2018-02-01
ES2618258T3 (es) 2017-06-21
JP6185085B2 (ja) 2017-08-23
HRP20170232T1 (hr) 2017-06-16

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