AR097454A1 - Diseño de tabla de bandas de frecuencia para algoritmos de reconstrucción de alta frecuencia - Google Patents

Diseño de tabla de bandas de frecuencia para algoritmos de reconstrucción de alta frecuencia

Info

Publication number
AR097454A1
AR097454A1 ARP140103192A ARP140103192A AR097454A1 AR 097454 A1 AR097454 A1 AR 097454A1 AR P140103192 A ARP140103192 A AR P140103192A AR P140103192 A ARP140103192 A AR P140103192A AR 097454 A1 AR097454 A1 AR 097454A1
Authority
AR
Argentina
Prior art keywords
high frequency
reconstruction algorithms
band table
table design
frequency band
Prior art date
Application number
ARP140103192A
Other languages
English (en)
Original Assignee
Dolby Int Ab
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 Dolby Int Ab filed Critical Dolby Int Ab
Publication of AR097454A1 publication Critical patent/AR097454A1/es

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/002—Dynamic bit allocation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/0208—Subband vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L2019/0001—Codebooks

Abstract

El presente documento se relaciona con la codificación y decodificación de audio. En particular, el presente documento se relaciona con esquemas de codificación de audio que utilizan métodos de reconstrucción de alta frecuencia (HFR). Se describe un sistema configurado para determinar una tabla maestra de bandas de factor de escala de una señal de banda alta (105) de una señal de audio. La señal de banda alta (105) se ha de generar a partir de una señal de banda baja (101) de la señal de audio usando un esquema de reconstrucción de alta frecuencia (HFR). La tabla maestra de bandas de factor de escala es indicativa de la resolución de frecuencia de una envolvente espectral de la serial de banda alta (105).
ARP140103192A 2013-08-29 2014-08-26 Diseño de tabla de bandas de frecuencia para algoritmos de reconstrucción de alta frecuencia AR097454A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201361871575P 2013-08-29 2013-08-29

Publications (1)

Publication Number Publication Date
AR097454A1 true AR097454A1 (es) 2016-03-16

Family

ID=51355520

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP140103192A AR097454A1 (es) 2013-08-29 2014-08-26 Diseño de tabla de bandas de frecuencia para algoritmos de reconstrucción de alta frecuencia

Country Status (24)

Country Link
US (1) US9842594B2 (es)
EP (1) EP3008727B1 (es)
JP (1) JP6392873B2 (es)
KR (1) KR101786863B1 (es)
CN (1) CN105556602B (es)
AR (1) AR097454A1 (es)
AU (1) AU2014314477B2 (es)
BR (1) BR112016004157B1 (es)
CA (1) CA2920816C (es)
CL (1) CL2016000475A1 (es)
DK (1) DK3008727T3 (es)
ES (1) ES2634196T3 (es)
HK (1) HK1219557A1 (es)
HU (1) HUE033077T2 (es)
IL (1) IL243961B (es)
ME (1) ME02812B (es)
MX (1) MX355259B (es)
MY (1) MY183529A (es)
PL (1) PL3008727T3 (es)
RU (1) RU2650031C2 (es)
SG (1) SG11201600830UA (es)
TW (1) TWI557726B (es)
UA (1) UA116572C2 (es)
WO (1) WO2015028297A1 (es)

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CN109243485B (zh) * 2018-09-13 2021-08-13 广州酷狗计算机科技有限公司 恢复高频信号的方法和装置

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Also Published As

Publication number Publication date
HUE033077T2 (en) 2017-11-28
SG11201600830UA (en) 2016-03-30
RU2650031C2 (ru) 2018-04-06
JP6392873B2 (ja) 2018-09-19
AU2014314477A1 (en) 2016-02-25
US20160210970A1 (en) 2016-07-21
KR101786863B1 (ko) 2017-10-18
MY183529A (en) 2021-02-24
DK3008727T3 (en) 2017-08-28
BR112016004157B1 (pt) 2022-05-17
EP3008727A1 (en) 2016-04-20
IL243961A0 (en) 2016-04-21
AU2014314477B2 (en) 2016-11-24
CA2920816C (en) 2018-04-17
UA116572C2 (uk) 2018-04-10
MX2016002421A (es) 2016-06-10
RU2016111311A (ru) 2017-10-04
BR112016004157A2 (es) 2017-08-01
CA2920816A1 (en) 2015-03-05
CN105556602B (zh) 2019-10-01
MX355259B (es) 2018-04-11
TW201521014A (zh) 2015-06-01
PL3008727T3 (pl) 2017-10-31
EP3008727B1 (en) 2017-06-14
HK1219557A1 (zh) 2017-04-07
KR20160036670A (ko) 2016-04-04
ME02812B (me) 2018-01-20
JP2016535870A (ja) 2016-11-17
US9842594B2 (en) 2017-12-12
WO2015028297A1 (en) 2015-03-05
TWI557726B (zh) 2016-11-11
ES2634196T3 (es) 2017-09-27
CN105556602A (zh) 2016-05-04
CL2016000475A1 (es) 2016-09-23
IL243961B (en) 2020-04-30

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