AR096986A1 - Codificación de entropía basada en el contexto, de valores de muestras de una envoltura espectral - Google Patents
Codificación de entropía basada en el contexto, de valores de muestras de una envoltura espectralInfo
- Publication number
- AR096986A1 AR096986A1 ARP140102688A ARP140102688A AR096986A1 AR 096986 A1 AR096986 A1 AR 096986A1 AR P140102688 A ARP140102688 A AR P140102688A AR P140102688 A ARP140102688 A AR P140102688A AR 096986 A1 AR096986 A1 AR 096986A1
- Authority
- AR
- Argentina
- Prior art keywords
- context
- spectral envelope
- sample values
- hand
- entropy
- Prior art date
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
- G10L19/04—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
-
- 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
-
- 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
-
- 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
- G10L19/0204—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 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
-
- 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
- G10L19/032—Quantisation or dequantisation of spectral components
-
- 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
- G10L19/032—Quantisation or dequantisation of spectral components
- G10L19/038—Vector quantisation, e.g. TwinVQ audio
-
- 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
- G10L21/00—Speech or voice signal processing techniques 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Quality & Reliability (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
Un concepto mejorado para la codificación de valores de muestras de una envoltura espectral se obtiene mediante la combinación de la predicción espectrotemporal por una parte, y la codificación de entropía basada en el contexto, de los residuales, por otra parte, mientras que se determina, en particular, el contexto para un valor de muestra actual dependiente de una medida de una desviación entre un par de valores de muestras ya codificados / decodificados de la envoltura espectral en una proximidad espectrotemporal del valor de muestra actual. La combinación de la predicción espectrotemporal por una parte, y la codificación de entropía basada en el contexto de los residuales de predicción, donde la selección del contexto depende de la medida de desviación, por otra parte, armoniza con la naturaleza de las envolturas espectrales.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13177351 | 2013-07-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AR096986A1 true AR096986A1 (es) | 2016-02-10 |
Family
ID=48808217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ARP140102688A AR096986A1 (es) | 2013-07-22 | 2014-07-21 | Codificación de entropía basada en el contexto, de valores de muestras de una envoltura espectral |
Country Status (20)
| Country | Link |
|---|---|
| US (6) | US9947330B2 (es) |
| EP (5) | EP2830055A1 (es) |
| JP (5) | JP6374501B2 (es) |
| KR (1) | KR101797407B1 (es) |
| CN (2) | CN105556599B (es) |
| AR (1) | AR096986A1 (es) |
| AU (1) | AU2014295314B2 (es) |
| BR (1) | BR112016001142B1 (es) |
| CA (1) | CA2918851C (es) |
| ES (3) | ES2665646T3 (es) |
| MX (1) | MX357136B (es) |
| MY (1) | MY192658A (es) |
| PL (2) | PL3025338T3 (es) |
| PT (2) | PT3025338T (es) |
| RU (1) | RU2663363C2 (es) |
| SG (1) | SG11201600492QA (es) |
| TR (1) | TR201807486T4 (es) |
| TW (1) | TWI557725B (es) |
| WO (1) | WO2015010966A1 (es) |
| ZA (1) | ZA201601009B (es) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102070429B1 (ko) | 2011-10-21 | 2020-01-28 | 삼성전자주식회사 | 에너지 무손실 부호화방법 및 장치, 오디오 부호화방법 및 장치, 에너지 무손실 복호화방법 및 장치, 및 오디오 복호화방법 및 장치 |
| EP2830064A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection |
| 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 |
| 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 |
| 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 |
| EP3483880A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Temporal noise shaping |
| EP3483883A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio coding and decoding with selective postfiltering |
| EP3483882A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Controlling bandwidth in encoders and/or decoders |
| EP3483884A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Signal filtering |
| EP3483886A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Selecting pitch lag |
| 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 |
| 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 |
| 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 |
| 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 |
| 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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| US6778965B1 (en) * | 1996-10-10 | 2004-08-17 | Koninklijke Philips Electronics N.V. | Data compression and expansion of an audio signal |
| SE512719C2 (sv) * | 1997-06-10 | 2000-05-02 | Lars Gustaf Liljeryd | En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion |
| 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) |
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| RU2536679C2 (ru) * | 2008-07-11 | 2014-12-27 | Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен | 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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| 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
- 2013-10-18 EP EP13189336.4A patent/EP2830055A1/en not_active Withdrawn
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2014
- 2014-07-14 TW TW103124173A patent/TWI557725B/zh active
- 2014-07-15 WO PCT/EP2014/065173 patent/WO2015010966A1/en not_active Ceased
- 2014-07-15 EP EP14738866.4A patent/EP3025338B1/en active Active
- 2014-07-15 EP EP17210652.8A patent/EP3333849B1/en active Active
- 2014-07-15 ES ES14738866.4T patent/ES2665646T3/es active Active
- 2014-07-15 PL PL14738866T patent/PL3025338T3/pl unknown
- 2014-07-15 JP JP2016528422A patent/JP6374501B2/ja active Active
- 2014-07-15 MY MYPI2016000068A patent/MY192658A/en unknown
- 2014-07-15 RU RU2016105764A patent/RU2663363C2/ru active
- 2014-07-15 PL PL17210652T patent/PL3333849T3/pl unknown
- 2014-07-15 BR BR112016001142-2A patent/BR112016001142B1/pt active IP Right Grant
- 2014-07-15 PT PT147388664T patent/PT3025338T/pt unknown
- 2014-07-15 ES ES17210652T patent/ES2905692T3/es active Active
- 2014-07-15 CN CN201480041809.7A patent/CN105556599B/zh active Active
- 2014-07-15 CN CN201911105761.2A patent/CN110895945B/zh active Active
- 2014-07-15 KR KR1020167003229A patent/KR101797407B1/ko active Active
- 2014-07-15 TR TR2018/07486T patent/TR201807486T4/tr unknown
- 2014-07-15 ES ES21212614T patent/ES3049673T3/es active Active
- 2014-07-15 EP EP25198854.9A patent/EP4654189A3/en active Pending
- 2014-07-15 MX MX2016000509A patent/MX357136B/es active IP Right Grant
- 2014-07-15 SG SG11201600492QA patent/SG11201600492QA/en unknown
- 2014-07-15 CA CA2918851A patent/CA2918851C/en active Active
- 2014-07-15 PT PT172106528T patent/PT3333849T/pt unknown
- 2014-07-15 EP EP21212614.8A patent/EP3996091B1/en active Active
- 2014-07-15 AU AU2014295314A patent/AU2014295314B2/en active Active
- 2014-07-21 AR ARP140102688A patent/AR096986A1/es active IP Right Grant
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2016
- 2016-01-19 US US15/000,844 patent/US9947330B2/en active Active
- 2016-02-15 ZA ZA2016/01009A patent/ZA201601009B/en unknown
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2018
- 2018-03-16 US US15/923,643 patent/US10726854B2/en active Active
- 2018-07-19 JP JP2018135773A patent/JP6744363B2/ja active Active
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2020
- 2020-07-01 US US16/918,835 patent/US11250866B2/en active Active
- 2020-07-30 JP JP2020129052A patent/JP7260509B2/ja active Active
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2022
- 2022-01-07 US US17/571,237 patent/US11790927B2/en active Active
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2023
- 2023-04-06 JP JP2023062397A patent/JP7667199B2/ja active Active
- 2023-09-11 US US18/464,986 patent/US12205606B2/en active Active
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2024
- 2024-12-26 US US19/002,090 patent/US20250201256A1/en active Pending
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2025
- 2025-04-10 JP JP2025064854A patent/JP2025111519A/ja active Pending
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