MX357493B - Aparato y metodo para generar una señal de ocultamiento de error empleando compensacion de potencia. - Google Patents
Aparato y metodo para generar una señal de ocultamiento de error empleando compensacion de potencia.Info
- Publication number
- MX357493B MX357493B MX2016012005A MX2016012005A MX357493B MX 357493 B MX357493 B MX 357493B MX 2016012005 A MX2016012005 A MX 2016012005A MX 2016012005 A MX2016012005 A MX 2016012005A MX 357493 B MX357493 B MX 357493B
- Authority
- MX
- Mexico
- Prior art keywords
- generating
- error concealment
- lpc
- concealment signal
- computer program
- Prior art date
Links
- 238000004590 computer program Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
Classifications
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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
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
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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
- G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
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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
- G10L19/04—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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
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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
- G10L19/04—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
- G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
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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
- G10L2019/0001—Codebooks
- G10L2019/0002—Codebook adaptations
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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
- G10L2019/0001—Codebooks
- G10L2019/0016—Codebook for LPC parameters
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Error Detection And Correction (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Transmitters (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
Un aparato para generar una señal de ocultamiento de error comprende: un generador de representaciones de LPC (100) para generar una representación de LPC sustituta; un calculador de ganancias (600) para calcular una información de ganancia a partir de las representaciones de LPC; un compensador (406, 408) para compensar un efecto de ganancia de la representación de LPC sustituta empleando la información de ganancia y un sintetizador de LPC (106, 108) para filtrar información de libro de códigos empleando la representación de LPC sustituta para obtener la señal de ocultamiento de error, donde el compensador (406, 408, 900) está configurado para ponderar la información de libro de códigos o una señal de salida de síntesis de LPC.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14160774 | 2014-03-19 | ||
EP14167005 | 2014-05-05 | ||
EP14178769.7A EP2922056A1 (en) | 2014-03-19 | 2014-07-28 | Apparatus, method and corresponding computer program for generating an error concealment signal using power compensation |
PCT/EP2015/054490 WO2015139958A1 (en) | 2014-03-19 | 2015-03-04 | Apparatus, method and corresponding computer program for generating an error concealment signal using power compensation |
Publications (2)
Publication Number | Publication Date |
---|---|
MX2016012005A MX2016012005A (es) | 2016-12-07 |
MX357493B true MX357493B (es) | 2018-07-11 |
Family
ID=51228339
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2016012005A MX357493B (es) | 2014-03-19 | 2015-03-04 | Aparato y metodo para generar una señal de ocultamiento de error empleando compensacion de potencia. |
Country Status (18)
Country | Link |
---|---|
US (3) | US10224041B2 (es) |
EP (2) | EP2922056A1 (es) |
JP (3) | JP6525444B2 (es) |
KR (2) | KR101889721B1 (es) |
CN (2) | CN111370005B (es) |
AU (1) | AU2015233708B2 (es) |
BR (1) | BR112016020866B1 (es) |
CA (1) | CA2942698C (es) |
ES (1) | ES2664391T3 (es) |
HK (1) | HK1232334A1 (es) |
MX (1) | MX357493B (es) |
MY (1) | MY177216A (es) |
PL (1) | PL3120349T3 (es) |
PT (1) | PT3120349T (es) |
RU (1) | RU2651217C1 (es) |
SG (1) | SG11201607698TA (es) |
TW (1) | TWI581253B (es) |
WO (1) | WO2015139958A1 (es) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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EP2922054A1 (en) | 2014-03-19 | 2015-09-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and corresponding computer program for generating an error concealment signal using an adaptive noise estimation |
EP2922056A1 (en) * | 2014-03-19 | 2015-09-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and corresponding computer program for generating an error concealment signal using power compensation |
EP2922055A1 (en) | 2014-03-19 | 2015-09-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and corresponding computer program for generating an error concealment signal using individual replacement LPC representations for individual codebook information |
ES2874629T3 (es) | 2016-03-07 | 2021-11-05 | Fraunhofer Ges Forschung | Unidad de ocultación de error, decodificador de audio y método y programa informático relacionados que desvanecen una trama de audio ocultada según factores de amortiguamiento diferentes para bandas de frecuencia diferentes |
MX2018010756A (es) | 2016-03-07 | 2019-01-14 | Fraunhofer Ges Forschung | Unidad de ocultamiento de error, decodificador de audio, y método relacionado y programa de computadora que usa características de una representación decodificada de una trama de audio decodificada apropiadamente. |
US10249305B2 (en) * | 2016-05-19 | 2019-04-02 | Microsoft Technology Licensing, Llc | Permutation invariant training for talker-independent multi-talker speech separation |
WO2020164751A1 (en) | 2019-02-13 | 2020-08-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Decoder and decoding method for lc3 concealment including full frame loss concealment and partial frame loss concealment |
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EP2922056A1 (en) * | 2014-03-19 | 2015-09-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and corresponding computer program for generating an error concealment signal using power compensation |
EP2922055A1 (en) * | 2014-03-19 | 2015-09-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and corresponding computer program for generating an error concealment signal using individual replacement LPC representations for individual codebook information |
EP2922054A1 (en) * | 2014-03-19 | 2015-09-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and corresponding computer program for generating an error concealment signal using an adaptive noise estimation |
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2014
- 2014-07-28 EP EP14178769.7A patent/EP2922056A1/en not_active Withdrawn
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2015
- 2015-03-04 SG SG11201607698TA patent/SG11201607698TA/en unknown
- 2015-03-04 BR BR112016020866-8A patent/BR112016020866B1/pt active IP Right Grant
- 2015-03-04 AU AU2015233708A patent/AU2015233708B2/en active Active
- 2015-03-04 MY MYPI2016001683A patent/MY177216A/en unknown
- 2015-03-04 JP JP2017500142A patent/JP6525444B2/ja active Active
- 2015-03-04 PL PL15710132T patent/PL3120349T3/pl unknown
- 2015-03-04 PT PT157101320T patent/PT3120349T/pt unknown
- 2015-03-04 CA CA2942698A patent/CA2942698C/en active Active
- 2015-03-04 WO PCT/EP2015/054490 patent/WO2015139958A1/en active Application Filing
- 2015-03-04 CN CN202010013058.5A patent/CN111370005B/zh active Active
- 2015-03-04 KR KR1020167028282A patent/KR101889721B1/ko active IP Right Grant
- 2015-03-04 CN CN201580014853.3A patent/CN106170830B/zh active Active
- 2015-03-04 MX MX2016012005A patent/MX357493B/es active IP Right Grant
- 2015-03-04 ES ES15710132.0T patent/ES2664391T3/es active Active
- 2015-03-04 EP EP15710132.0A patent/EP3120349B1/en active Active
- 2015-03-04 RU RU2016140845A patent/RU2651217C1/ru active
- 2015-03-04 KR KR1020187005948A patent/KR101986087B1/ko active IP Right Grant
- 2015-03-11 TW TW104107815A patent/TWI581253B/zh active
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2016
- 2016-09-16 US US15/267,869 patent/US10224041B2/en active Active
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2017
- 2017-06-13 HK HK17105821.5A patent/HK1232334A1/zh unknown
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2019
- 2019-01-24 US US16/256,902 patent/US10733997B2/en active Active
- 2019-04-30 JP JP2019087035A patent/JP6761509B2/ja active Active
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2020
- 2020-07-08 US US16/923,890 patent/US11367453B2/en active Active
- 2020-09-04 JP JP2020148639A patent/JP7116521B2/ja active Active
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