CL2016000818A1 - Método de codificacion de voz con estimación de factores de mezcla para generar una señal de excitación de banda alta de una señal de voz - Google Patents
Método de codificacion de voz con estimación de factores de mezcla para generar una señal de excitación de banda alta de una señal de vozInfo
- Publication number
- CL2016000818A1 CL2016000818A1 CL2016000818A CL2016000818A CL2016000818A1 CL 2016000818 A1 CL2016000818 A1 CL 2016000818A1 CL 2016000818 A CL2016000818 A CL 2016000818A CL 2016000818 A CL2016000818 A CL 2016000818A CL 2016000818 A1 CL2016000818 A1 CL 2016000818A1
- Authority
- CL
- Chile
- Prior art keywords
- signal
- generate
- band
- adjustment factor
- voice
- Prior art date
Links
Classifications
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- 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
- 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 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
- G10L19/04—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
- G10L19/087—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using mixed excitation models, e.g. MELP, MBE, split band LPC or HVXC
-
- 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
- G10L21/0208—Noise filtering
-
- 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
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
-
- 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/78—Detection of presence or absence of voice signals
Abstract
UN MÉTODO PARA AJUSTAR UN PARÁMETRO DE MEZCLA PARA REDUCIR LAS DISTORSIONES DE VOZ ASOCIADAS CON UNA ESTIMACIÓN DE BANDA ALTA, QUE COMPRENDE: GENERAR, EN UN CODIFICADOR DE VOZ, UNA SEÑAL RESIDUAL DE BANDA ALTA CON BASE EN UNA PORCIÓN DE BANDA ALTA DE UNA SEÑAL DE AUDIO; GENERAR UNA SEÑAL ARMÓNICAMENTE EXTENDIDA AL MENOS PARCIALMENTE CON BASE EN UNA PORCIÓN DE BANDA BAJA DE LA SEÑAL DE AUDIO; ESTIMAR UN FACTOR DE AJUSTE DE BANDA ALTA UTILIZANDO UN ANÁLISIS DE LAZO CERRADO, EN DONDE EL FACTOR DE AJUSTE DE BANDA ALTA SE ESTIMA CON BASE EN LA SEÑAL RESIDUAL DE BANDA ALTA, LA SEÑAL ARMÓNICAMENTE EXTENDIDA Y UN RUIDO MODULADO, EN DONDE EL RUIDO MODULADO ESTÁ AL MENOS PARCIALMENTE BASADO EN LA SEÑAL ARMÓNICAMENTE EXTENDIDA Y UN RUIDO BLANCO; ESTIMAR UN FACTOR DE MEZCLA CON BASE EN EL FACTOR DE AJUSTE DE BANDA ALTA Y UN FACTOR DE VOZ, EN DONDE EL FACTOR DE AJUSTE DE BANDA ALTA SE UTILIZA PARA GENERAR UNA SEÑAL DE EXCITACIÓN DE BANDA ALTA MEDIANTE: ESCALAR LA SEÑAL ARMÓNICAMENTE EXTENDIDA CON BASE EN EL FACTOR DE AJUSTE DE BANDA ALTA PARA GENERAR UNA PRIMERA SEÑAL ESCALADA; ESCALAR EL RUIDO MODULADO CON BASE EN EL FACTOR DE AJUSTE DE BANDA ALTA PARA GENERAR UNA SEGUNDA SEÑAL ESCALADA; Y COMBINAR LA PRIMERA SEÑAL ESCALADA Y LA SEGUNDA SEÑAL ESCALADA PARA GENERAR LA SEÑAL DE EXCITACIÓN DE BANDA ALTA; GENERAR UN FLUJO DE BITS CODIFICADO CORRESPONDIENTE A UNA VERSIÓN CODIFICADA DE LA SEÑAL DE AUDIO, EN DONDE EL FLUJO DE BITS CODIFICADO INCLUYE DATOS QUE REPRESENTAN EL FACTOR DE AJUSTE DE BANDA ALTA; Y TRANSMITIR EL FLUJO DE BITS CODIFICADO A UN RECEPTOR, EN DONDE EL FLUJO DE BITS CODIFICADO ES UTILIZADO POR EL RECEPTOR PARA RECONSTRUIR LA SEÑAL DE AUDIO.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361889727P | 2013-10-11 | 2013-10-11 | |
| US14/509,676 US10083708B2 (en) | 2013-10-11 | 2014-10-08 | Estimation of mixing factors to generate high-band excitation signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CL2016000818A1 true CL2016000818A1 (es) | 2016-10-14 |
Family
ID=52810390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CL2016000818A CL2016000818A1 (es) | 2013-10-11 | 2016-04-08 | Método de codificacion de voz con estimación de factores de mezcla para generar una señal de excitación de banda alta de una señal de voz |
Country Status (21)
| Country | Link |
|---|---|
| US (2) | US10083708B2 (es) |
| EP (1) | EP3055861B1 (es) |
| JP (1) | JP6469664B2 (es) |
| KR (1) | KR101941755B1 (es) |
| CN (2) | CN110634503B (es) |
| AU (2) | AU2014331890B2 (es) |
| CA (1) | CA2925573C (es) |
| CL (1) | CL2016000818A1 (es) |
| DK (1) | DK3055861T3 (es) |
| ES (1) | ES2660605T3 (es) |
| HK (1) | HK1220033A1 (es) |
| HU (1) | HUE036838T2 (es) |
| MX (1) | MX354886B (es) |
| MY (1) | MY182788A (es) |
| NZ (1) | NZ717750A (es) |
| PH (1) | PH12016500506A1 (es) |
| RU (1) | RU2672179C2 (es) |
| SA (1) | SA516370877B1 (es) |
| SG (1) | SG11201601790QA (es) |
| SI (1) | SI3055861T1 (es) |
| WO (1) | WO2015054492A1 (es) |
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| FR3011408A1 (fr) * | 2013-09-30 | 2015-04-03 | Orange | Re-echantillonnage d'un signal audio pour un codage/decodage a bas retard |
| US10083708B2 (en) | 2013-10-11 | 2018-09-25 | Qualcomm Incorporated | Estimation of mixing factors to generate high-band excitation signal |
| US10163447B2 (en) * | 2013-12-16 | 2018-12-25 | Qualcomm Incorporated | High-band signal modeling |
| US9984699B2 (en) | 2014-06-26 | 2018-05-29 | Qualcomm Incorporated | High-band signal coding using mismatched frequency ranges |
| US10847170B2 (en) | 2015-06-18 | 2020-11-24 | Qualcomm Incorporated | Device and method for generating a high-band signal from non-linearly processed sub-ranges |
| US10217468B2 (en) * | 2017-01-19 | 2019-02-26 | Qualcomm Incorporated | Coding of multiple audio signals |
| US10825467B2 (en) * | 2017-04-21 | 2020-11-03 | Qualcomm Incorporated | Non-harmonic speech detection and bandwidth extension in a multi-source environment |
| WO2020157888A1 (ja) * | 2019-01-31 | 2020-08-06 | 三菱電機株式会社 | 周波数帯域拡張装置、周波数帯域拡張方法、及び周波数帯域拡張プログラム |
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2014
- 2014-10-08 US US14/509,676 patent/US10083708B2/en active Active
- 2014-10-09 AU AU2014331890A patent/AU2014331890B2/en active Active
- 2014-10-09 CN CN201910859726.3A patent/CN110634503B/zh active Active
- 2014-10-09 JP JP2016521680A patent/JP6469664B2/ja active Active
- 2014-10-09 ES ES14786583.6T patent/ES2660605T3/es active Active
- 2014-10-09 SI SI201430590T patent/SI3055861T1/en unknown
- 2014-10-09 SG SG11201601790QA patent/SG11201601790QA/en unknown
- 2014-10-09 CA CA2925573A patent/CA2925573C/en active Active
- 2014-10-09 NZ NZ717750A patent/NZ717750A/en unknown
- 2014-10-09 KR KR1020167011467A patent/KR101941755B1/ko active IP Right Grant
- 2014-10-09 HU HUE14786583A patent/HUE036838T2/hu unknown
- 2014-10-09 DK DK14786583.6T patent/DK3055861T3/en active
- 2014-10-09 CN CN201480055318.8A patent/CN105612578B/zh active Active
- 2014-10-09 WO PCT/US2014/059901 patent/WO2015054492A1/en active Application Filing
- 2014-10-09 MX MX2016004535A patent/MX354886B/es active IP Right Grant
- 2014-10-09 MY MYPI2016701042A patent/MY182788A/en unknown
- 2014-10-09 RU RU2016116044A patent/RU2672179C2/ru active
- 2014-10-09 EP EP14786583.6A patent/EP3055861B1/en active Active
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2016
- 2016-03-15 PH PH12016500506A patent/PH12016500506A1/en unknown
- 2016-04-05 SA SA516370877A patent/SA516370877B1/ar unknown
- 2016-04-08 CL CL2016000818A patent/CL2016000818A1/es unknown
- 2016-07-06 HK HK16107897.1A patent/HK1220033A1/zh unknown
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2018
- 2018-05-23 US US15/987,840 patent/US10410652B2/en active Active
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2019
- 2019-05-31 AU AU2019203827A patent/AU2019203827B2/en active Active
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