BR112016009819A2 - - Google Patents
Info
- Publication number
- BR112016009819A2 BR112016009819A2 BR112016009819A BR112016009819A BR112016009819A2 BR 112016009819 A2 BR112016009819 A2 BR 112016009819A2 BR 112016009819 A BR112016009819 A BR 112016009819A BR 112016009819 A BR112016009819 A BR 112016009819A BR 112016009819 A2 BR112016009819 A2 BR 112016009819A2
- Authority
- BR
- Brazil
Links
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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- 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
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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
- G10L19/0212—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 orthogonal transformation
-
- 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
- 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
- G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
-
- 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
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
- G10L19/125—Pitch excitation, e.g. pitch synchronous innovation CELP [PSI-CELP]
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/90—Pitch determination of speech signals
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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
- G10L2019/0011—Long term prediction filters, i.e. pitch estimation
Landscapes
- 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)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13191133 | 2013-10-31 | ||
| EP13191133 | 2013-10-31 | ||
| EP14178824 | 2014-07-28 | ||
| EP14178824 | 2014-07-28 | ||
| PCT/EP2014/073035 WO2015063044A1 (en) | 2013-10-31 | 2014-10-27 | Audio decoder and method for providing a decoded audio information using an error concealment based on a time domain excitation signal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BR112016009819A2 true BR112016009819A2 (pt) | 2017-08-01 |
| BR112016009819B1 BR112016009819B1 (pt) | 2022-03-29 |
Family
ID=51830301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112016009819-6A BR112016009819B1 (pt) | 2013-10-31 | 2014-10-27 | Decodificador áudio e método para fornecer uma informação de áudio decodificada utilizando uma dissimulação de erro baseada em um sinal de excitação de domínio de tempo |
Country Status (20)
| Country | Link |
|---|---|
| US (6) | US10381012B2 (pt) |
| EP (5) | EP3288026B1 (pt) |
| JP (1) | JP6306175B2 (pt) |
| KR (4) | KR101957906B1 (pt) |
| CN (1) | CN105765651B (pt) |
| AU (5) | AU2014343904B2 (pt) |
| BR (1) | BR112016009819B1 (pt) |
| CA (5) | CA2929012C (pt) |
| ES (5) | ES2739477T3 (pt) |
| HK (3) | HK1251710A1 (pt) |
| MX (1) | MX356334B (pt) |
| MY (1) | MY178139A (pt) |
| PL (5) | PL3285256T3 (pt) |
| PT (5) | PT3288026T (pt) |
| RU (1) | RU2678473C2 (pt) |
| SG (3) | SG10201609235UA (pt) |
| TR (1) | TR201802808T4 (pt) |
| TW (1) | TWI569261B (pt) |
| WO (1) | WO2015063044A1 (pt) |
| ZA (1) | ZA201603528B (pt) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SG10201609146YA (en) | 2013-10-31 | 2016-12-29 | Fraunhofer Ges Forschung | Audio Decoder And Method For Providing A Decoded Audio Information Using An Error Concealment Modifying A Time Domain Excitation Signal |
| PL3285256T3 (pl) | 2013-10-31 | 2020-01-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Dekoder audio i sposób dostarczania zdekodowanej informacji audio z wykorzystaniem ukrywania błędów na bazie sygnału pobudzenia w dziedzinie czasu |
| WO2016142002A1 (en) * | 2015-03-09 | 2016-09-15 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal |
| US10504525B2 (en) * | 2015-10-10 | 2019-12-10 | Dolby Laboratories Licensing Corporation | Adaptive forward error correction redundant payload generation |
| 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 |
| RU2712093C1 (ru) * | 2016-03-07 | 2020-01-24 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Блок маскирования ошибок, аудиодекодер и соответствующие способ и компьютерная программа, использующие характеристики декодированного представления надлежащим образом декодированного аудиокадра |
| MX2018010753A (es) | 2016-03-07 | 2019-01-14 | Fraunhofer Ges Forschung | Método de ocultamiento híbrido: combinación de ocultamiento de pérdida paquete de dominio de frecuencia y tiempo en códecs de audio. |
| CN107248411B (zh) * | 2016-03-29 | 2020-08-07 | 华为技术有限公司 | 丢帧补偿处理方法和装置 |
| CN108922551B (zh) * | 2017-05-16 | 2021-02-05 | 博通集成电路（上海）股份有限公司 | 用于补偿丢失帧的电路及方法 |
| WO2019091573A1 (en) * | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding and decoding an audio signal using downsampling or interpolation of scale parameters |
| EP3483879A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Analysis/synthesis windowing function for modulated lapped transformation |
| EP3483884A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Signal filtering |
| EP3483882A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Controlling bandwidth in encoders and/or decoders |
| EP3483883A1 (en) * | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio coding and decoding with selective postfiltering |
| US10278034B1 (en) | 2018-03-20 | 2019-04-30 | Honeywell International Inc. | Audio processing system and method using push to talk (PTT) audio attributes |
| 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 |
| WO2020207593A1 (en) * | 2019-04-11 | 2020-10-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder, apparatus for determining a set of values defining characteristics of a filter, methods for providing a decoded audio representation, methods for determining a set of values defining characteristics of a filter and computer program |
| CN113763973A (zh) * | 2021-04-30 | 2021-12-07 | 腾讯科技（深圳）有限公司 | 音频信号增强方法、装置、计算机设备和存储介质 |
| CN112992160B (zh) * | 2021-05-08 | 2021-07-27 | 北京百瑞互联技术有限公司 | 一种音频错误隐藏方法及装置 |
| CN114613372B (zh) * | 2022-02-21 | 2022-10-18 | 北京富通亚讯网络信息技术有限公司 | 一种音频传输抗丢包的错误隐藏技术方法 |
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| PT3011555T (pt) | 2013-06-21 | 2018-07-04 | Fraunhofer Ges Forschung | Reconstrução de uma estrutura de discurso |
| CN104282309A (zh) * | 2013-07-05 | 2015-01-14 | 杜比实验室特许公司 | 丢包掩蔽装置和方法以及音频处理系统 |
| PL3285256T3 (pl) | 2013-10-31 | 2020-01-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Dekoder audio i sposób dostarczania zdekodowanej informacji audio z wykorzystaniem ukrywania błędów na bazie sygnału pobudzenia w dziedzinie czasu |
| SG10201609146YA (en) | 2013-10-31 | 2016-12-29 | Fraunhofer Ges Forschung | Audio Decoder And Method For Providing A Decoded Audio Information Using An Error Concealment Modifying A Time Domain Excitation Signal |
| US10424305B2 (en) | 2014-12-09 | 2019-09-24 | Dolby International Ab | MDCT-domain error concealment |
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