BR112016001142B1 - Codificação entrópica com base em contexto de valores de amostra de um envelope espectral - Google Patents
Codificação entrópica com base em contexto de valores de amostra de um envelope espectral Download PDFInfo
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- BR112016001142B1 BR112016001142B1 BR112016001142-2A BR112016001142A BR112016001142B1 BR 112016001142 B1 BR112016001142 B1 BR 112016001142B1 BR 112016001142 A BR112016001142 A BR 112016001142A BR 112016001142 B1 BR112016001142 B1 BR 112016001142B1
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- 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
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Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13177351.7 | 2013-07-22 | ||
| EP13177351 | 2013-07-22 | ||
| EP13189336.4A EP2830055A1 (en) | 2013-07-22 | 2013-10-18 | Context-based entropy coding of sample values of a spectral envelope |
| EP13189336.4 | 2013-10-18 | ||
| PCT/EP2014/065173 WO2015010966A1 (en) | 2013-07-22 | 2014-07-15 | Context-based entropy coding of sample values of a spectral envelope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BR112016001142A2 BR112016001142A2 (https=) | 2017-07-25 |
| BR112016001142B1 true BR112016001142B1 (pt) | 2022-05-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112016001142-2A BR112016001142B1 (pt) | 2013-07-22 | 2014-07-15 | Codificação entrópica com base em contexto de valores de amostra de um envelope espectral |
Country Status (20)
| Country | Link |
|---|---|
| US (6) | US9947330B2 (https=) |
| EP (5) | EP2830055A1 (https=) |
| JP (5) | JP6374501B2 (https=) |
| KR (1) | KR101797407B1 (https=) |
| CN (2) | CN105556599B (https=) |
| AR (1) | AR096986A1 (https=) |
| AU (1) | AU2014295314B2 (https=) |
| BR (1) | BR112016001142B1 (https=) |
| CA (1) | CA2918851C (https=) |
| ES (3) | ES2905692T3 (https=) |
| MX (1) | MX357136B (https=) |
| MY (1) | MY192658A (https=) |
| PL (3) | PL3333849T3 (https=) |
| PT (2) | PT3333849T (https=) |
| RU (1) | RU2663363C2 (https=) |
| SG (1) | SG11201600492QA (https=) |
| TR (1) | TR201807486T4 (https=) |
| TW (1) | TWI557725B (https=) |
| WO (1) | WO2015010966A1 (https=) |
| ZA (1) | ZA201601009B (https=) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013058634A2 (ko) * | 2011-10-21 | 2013-04-25 | 삼성전자 주식회사 | 에너지 무손실 부호화방법 및 장치, 오디오 부호화방법 및 장치, 에너지 무손실 복호화방법 및 장치, 및 오디오 복호화방법 및 장치 |
| EP2830055A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Context-based entropy coding of sample values of a spectral envelope |
| EP2830054A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework |
| 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 |
| WO2016162283A1 (en) * | 2015-04-07 | 2016-10-13 | Dolby International Ab | Audio coding with range extension |
| TW201711475A (zh) * | 2015-09-02 | 2017-03-16 | 矽創電子股份有限公司 | 哥倫布-萊斯編碼電路與解碼電路 |
| EP3483880A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Temporal noise shaping |
| EP3483886A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Selecting pitch lag |
| 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 |
| EP3483883A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio coding and decoding with selective postfiltering |
| 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 |
| EP3483882A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Controlling bandwidth in encoders and/or decoders |
| EP3483878A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder supporting a set of different loss concealment tools |
| EP3483884A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Signal filtering |
| WO2019091576A1 (en) | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits |
| US11589360B2 (en) * | 2020-09-22 | 2023-02-21 | The United States Of America As Represented By The Secretary Of The Army | Distributed adaptive beamforming and nullforming for secure wireless communications |
| KR20220090850A (ko) | 2020-12-23 | 2022-06-30 | 삼성전자주식회사 | 이미지 처리 장치 및 이미지 처리 장치의 동작 방법 |
| CN115148217B (zh) * | 2022-06-15 | 2024-07-09 | 腾讯科技（深圳）有限公司 | 音频处理方法、装置、电子设备、存储介质及程序产品 |
| CN120512141B (zh) * | 2025-05-07 | 2025-11-04 | 国家卫星气象中心(国家空间天气监测预警中心) | 一种星载干涉式红外高光谱探测仪数据量化位码调整方法 |
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| SE9903553D0 (sv) * | 1999-01-27 | 1999-10-01 | Lars Liljeryd | Enhancing percepptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL) |
| US6978236B1 (en) * | 1999-10-01 | 2005-12-20 | Coding Technologies Ab | Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching |
| SE0202159D0 (sv) * | 2001-07-10 | 2002-07-09 | Coding Technologies Sweden Ab | Efficientand scalable parametric stereo coding for low bitrate applications |
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| RU2621965C2 (ru) * | 2008-07-11 | 2017-06-08 | Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. | Передатчик сигнала активации с деформацией по времени, кодер звукового сигнала, способ преобразования сигнала активации с деформацией по времени, способ кодирования звукового сигнала и компьютерные программы |
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| ES2911893T3 (es) | 2010-04-13 | 2022-05-23 | Fraunhofer Ges Forschung | Codificador de audio, decodificador de audio y métodos relacionados para procesar señales de audio estéreo usando una dirección de predicción variable |
| US9047875B2 (en) * | 2010-07-19 | 2015-06-02 | Futurewei Technologies, Inc. | Spectrum flatness control for bandwidth extension |
| US8532985B2 (en) * | 2010-12-03 | 2013-09-10 | Microsoft Coporation | Warped spectral and fine estimate audio encoding |
| RU2464649C1 (ru) | 2011-06-01 | 2012-10-20 | Корпорация "САМСУНГ ЭЛЕКТРОНИКС Ко., Лтд." | Способ обработки звукового сигнала |
| FR3008133B1 (fr) | 2013-07-05 | 2015-08-21 | Valeo Sys Controle Moteur Sas | Ensemble pour un circuit d'air de moteur thermique |
| EP2830055A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Context-based entropy coding of sample values of a spectral envelope |
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2013
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2014
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- 2014-07-15 ES ES14738866.4T patent/ES2665646T3/es active Active
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