BR112016013771B1 - Modelagem de sinal de banda elevada - Google Patents

Modelagem de sinal de banda elevada Download PDF

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Publication number
BR112016013771B1
BR112016013771B1 BR112016013771-0A BR112016013771A BR112016013771B1 BR 112016013771 B1 BR112016013771 B1 BR 112016013771B1 BR 112016013771 A BR112016013771 A BR 112016013771A BR 112016013771 B1 BR112016013771 B1 BR 112016013771B1
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BR
Brazil
Prior art keywords
group
signal
subband
subbands
subband signals
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BR112016013771-0A
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English (en)
Portuguese (pt)
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BR112016013771A2 (pt
Inventor
Venkatesh Krishnan
Venkatraman S. Atti
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Qualcomm Incorporated
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Publication of BR112016013771A2 publication Critical patent/BR112016013771A2/pt
Publication of BR112016013771B1 publication Critical patent/BR112016013771B1/pt

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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
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • 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
    • G10L19/02—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
    • 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
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Luminescent Compositions (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
BR112016013771-0A 2013-12-16 2014-12-15 Modelagem de sinal de banda elevada BR112016013771B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201361916697P 2013-12-16 2013-12-16
US61/916,697 2013-12-16
US14/568,359 US10163447B2 (en) 2013-12-16 2014-12-12 High-band signal modeling
US14/568,359 2014-12-12
PCT/US2014/070268 WO2015095008A1 (en) 2013-12-16 2014-12-15 High-band signal modeling

Publications (2)

Publication Number Publication Date
BR112016013771A2 BR112016013771A2 (pt) 2017-08-08
BR112016013771B1 true BR112016013771B1 (pt) 2021-12-21

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BR112016013771-0A BR112016013771B1 (pt) 2013-12-16 2014-12-15 Modelagem de sinal de banda elevada

Country Status (9)

Country Link
US (1) US10163447B2 (enExample)
EP (2) EP3471098B1 (enExample)
JP (1) JP6526704B2 (enExample)
KR (2) KR102304152B1 (enExample)
CN (2) CN105830153B (enExample)
BR (1) BR112016013771B1 (enExample)
CA (1) CA2929564C (enExample)
ES (1) ES2844231T3 (enExample)
WO (1) WO2015095008A1 (enExample)

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Also Published As

Publication number Publication date
CN111583955B (zh) 2023-09-19
EP3084762A1 (en) 2016-10-26
WO2015095008A1 (en) 2015-06-25
KR102424755B1 (ko) 2022-07-22
CN105830153B (zh) 2020-05-22
KR20160098285A (ko) 2016-08-18
BR112016013771A2 (pt) 2017-08-08
ES2844231T3 (es) 2021-07-21
JP2016541032A (ja) 2016-12-28
CA2929564A1 (en) 2015-06-25
CA2929564C (en) 2022-10-04
EP3471098A1 (en) 2019-04-17
KR20210116698A (ko) 2021-09-27
JP6526704B2 (ja) 2019-06-05
CN111583955A (zh) 2020-08-25
US20150170662A1 (en) 2015-06-18
EP3471098B1 (en) 2020-10-14
CN105830153A (zh) 2016-08-03
US10163447B2 (en) 2018-12-25
KR102304152B1 (ko) 2021-09-17

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B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 15/12/2014, OBSERVADAS AS CONDICOES LEGAIS.