CL2016000834A1 - Método, aparato y dispositivo para extensión del ancho de banda de una señal de audio usando una excitación de banda alta escalada. - Google Patents

Método, aparato y dispositivo para extensión del ancho de banda de una señal de audio usando una excitación de banda alta escalada.

Info

Publication number
CL2016000834A1
CL2016000834A1 CL2016000834A CL2016000834A CL2016000834A1 CL 2016000834 A1 CL2016000834 A1 CL 2016000834A1 CL 2016000834 A CL2016000834 A CL 2016000834A CL 2016000834 A CL2016000834 A CL 2016000834A CL 2016000834 A1 CL2016000834 A1 CL 2016000834A1
Authority
CL
Chile
Prior art keywords
signal
band
audio signal
modeled
bandwidth
Prior art date
Application number
CL2016000834A
Other languages
English (en)
Inventor
Venkatraman S Atti
Venkatesh Krishnan
Vivek Rajendran
Stephane Pierre Villette
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 CL2016000834A1 publication Critical patent/CL2016000834A1/es

Links

Classifications

    • 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
    • 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
    • G10L19/02—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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/035—Scalar quantisation
    • 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
    • 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
    • G10L19/083—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being an excitation gain
    • 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

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)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Stereophonic System (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

UN MÉTODO DE QUE INCLUYE DETERMINAR UNA PRIMERA SEÑAL DE BANDA ALTA MODELADA CON BASE EN UNA SEÑAL DE EXCITACIÓN DE BANDA BAJA DE UNA SEÑAL DE AUDIO, EN DONDE LA SEÑAL DE AUDIO INCLUYE UNA PORCIÓN DE BANDA ALTA Y UNA PORCIÓN DE BANDA BAJA. EL MÉTODO TAMBIÉN INCLUYE FACTORES DE ESCALA CON BASE EN LA ENERGÍA DE SUB-TRAMAS DE LA PRIMERA SEÑAL DE BANDA ALTA MODELADA Y LA ENERGÍA DE SUB-TRAMAS CORRESPONDIENTES DE LA PORCIÓN DE BANDA ALTA DE LA SEÑAL DE AUDIO. EL MÉTODO INCLUYE APLICAR LOS FACTORES DE ESCALA A UNA SEÑAL DE EXCITACIÓN DE BANDA ALTA MODELADA PARA DETERMINAR UNA SEÑAL DE EXCITACIÓN DE BANDA ALTA ESCALADA Y DETERMINAR UNA SEGUNDA SEÑAL DE BANDA ALTA MODELADA CON BASE EN LA SEÑAL DE EXCITACIÓN DE BANDA ALTA ESCALADA. EL MÉTODO INCLUYE DETERMINAR PARÁMETROS DE GANANCIA CON BASE EN LA SEGUNDA SEÑAL DE BANDA ALTA MODELADA Y LA PORCIÓN DE BANDA ALTA DE LA SEÑAL DE AUDIO. APARATO Y DISPOSITIVO ASOCIADOS.
CL2016000834A 2013-10-14 2016-04-08 Método, aparato y dispositivo para extensión del ancho de banda de una señal de audio usando una excitación de banda alta escalada. CL2016000834A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361890812P 2013-10-14 2013-10-14
US14/512,892 US9384746B2 (en) 2013-10-14 2014-10-13 Systems and methods of energy-scaled signal processing

Publications (1)

Publication Number Publication Date
CL2016000834A1 true CL2016000834A1 (es) 2016-11-25

Family

ID=52810406

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2016000834A CL2016000834A1 (es) 2013-10-14 2016-04-08 Método, aparato y dispositivo para extensión del ancho de banda de una señal de audio usando una excitación de banda alta escalada.

Country Status (22)

Country Link
US (1) US9384746B2 (es)
EP (1) EP3058570B1 (es)
JP (1) JP6045762B2 (es)
KR (1) KR101806058B1 (es)
CN (1) CN105593935B (es)
AU (1) AU2014337537C1 (es)
CA (1) CA2925894C (es)
CL (1) CL2016000834A1 (es)
DK (1) DK3058570T3 (es)
ES (1) ES2643828T3 (es)
HK (1) HK1219800A1 (es)
HU (1) HUE033434T2 (es)
MX (1) MX352483B (es)
MY (1) MY182138A (es)
NZ (1) NZ717786A (es)
PH (1) PH12016500600A1 (es)
RU (1) RU2679346C2 (es)
SA (1) SA516370876B1 (es)
SG (1) SG11201601783YA (es)
SI (1) SI3058570T1 (es)
WO (1) WO2015057680A1 (es)
ZA (1) ZA201602115B (es)

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US10475457B2 (en) * 2017-07-03 2019-11-12 Qualcomm Incorporated Time-domain inter-channel prediction
US10798321B2 (en) * 2017-08-15 2020-10-06 Dolby Laboratories Licensing Corporation Bit-depth efficient image processing
US10580420B2 (en) * 2017-10-05 2020-03-03 Qualcomm Incorporated Encoding or decoding of audio signals

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Also Published As

Publication number Publication date
JP2016532912A (ja) 2016-10-20
KR101806058B1 (ko) 2017-12-06
CN105593935A (zh) 2016-05-18
MX2016004630A (es) 2016-08-01
KR20160067972A (ko) 2016-06-14
WO2015057680A1 (en) 2015-04-23
CN105593935B (zh) 2017-06-09
ES2643828T3 (es) 2017-11-24
MX352483B (es) 2017-11-27
PH12016500600B1 (en) 2016-06-13
ZA201602115B (en) 2017-09-27
JP6045762B2 (ja) 2016-12-14
CA2925894A1 (en) 2015-04-23
RU2016113836A (ru) 2017-11-20
PH12016500600A1 (en) 2016-06-13
SI3058570T1 (sl) 2017-10-30
EP3058570B1 (en) 2017-07-26
AU2014337537B2 (en) 2017-08-03
MY182138A (en) 2021-01-18
SA516370876B1 (ar) 2019-08-03
AU2014337537C1 (en) 2018-02-01
HK1219800A1 (zh) 2017-04-13
RU2016113836A3 (es) 2018-07-06
EP3058570A1 (en) 2016-08-24
RU2679346C2 (ru) 2019-02-07
US20150106107A1 (en) 2015-04-16
CA2925894C (en) 2018-01-02
NZ717786A (en) 2018-05-25
DK3058570T3 (en) 2017-10-02
US9384746B2 (en) 2016-07-05
SG11201601783YA (en) 2016-04-28
HUE033434T2 (en) 2017-11-28

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