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
-
- 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)
- Audiology, Speech & Language Pathology (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (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)
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 (enExample) |
| EP (5) | EP2830055A1 (enExample) |
| JP (5) | JP6374501B2 (enExample) |
| KR (1) | KR101797407B1 (enExample) |
| CN (2) | CN105556599B (enExample) |
| AR (1) | AR096986A1 (enExample) |
| AU (1) | AU2014295314B2 (enExample) |
| BR (1) | BR112016001142B1 (enExample) |
| CA (1) | CA2918851C (enExample) |
| ES (2) | ES2905692T3 (enExample) |
| MX (1) | MX357136B (enExample) |
| MY (1) | MY192658A (enExample) |
| PL (2) | PL3025338T3 (enExample) |
| PT (2) | PT3333849T (enExample) |
| RU (1) | RU2663363C2 (enExample) |
| SG (1) | SG11201600492QA (enExample) |
| TR (1) | TR201807486T4 (enExample) |
| TW (1) | TWI557725B (enExample) |
| WO (1) | WO2015010966A1 (enExample) |
| ZA (1) | ZA201601009B (enExample) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106941003B (zh) * | 2011-10-21 | 2021-01-26 | 三星电子株式会社 | 能量无损编码方法和设备以及能量无损解码方法和设备 |
| EP2830059A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Noise filling energy adjustment |
| 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 |
| EP3483883A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio coding and decoding with selective postfiltering |
| 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 |
| 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 |
| EP3483886A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Selecting pitch lag |
| EP3483884A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Signal filtering |
| 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 |
| EP3483880A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Temporal noise shaping |
| 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 |
| 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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| GB2313525B (en) * | 1996-05-24 | 2000-06-07 | Motorola Ltd | Filter for multicarrier communication system and method for peak power control therein |
| 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) |
| 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 |
| US7447631B2 (en) * | 2002-06-17 | 2008-11-04 | Dolby Laboratories Licensing Corporation | Audio coding system using spectral hole filling |
| KR101058062B1 (ko) * | 2003-06-30 | 2011-08-19 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 잡음 부가에 의한 디코딩된 오디오의 품질 개선 |
| US7460990B2 (en) | 2004-01-23 | 2008-12-02 | Microsoft Corporation | Efficient coding of digital media spectral data using wide-sense perceptual similarity |
| JP2006047561A (ja) * | 2004-08-03 | 2006-02-16 | Matsushita Electric Ind Co Ltd | オーディオ信号符号化装置およびオーディオ信号復号化装置 |
| UA94041C2 (ru) * | 2005-04-01 | 2011-04-11 | Квелкомм Инкорпорейтед | Способ и устройство для фильтрации, устраняющей разреженность |
| KR20070043651A (ko) | 2005-10-20 | 2007-04-25 | 엘지전자 주식회사 | 멀티채널 오디오 신호의 부호화 및 복호화 방법과 그 장치 |
| US7720677B2 (en) * | 2005-11-03 | 2010-05-18 | Coding Technologies Ab | Time warped modified transform coding of audio signals |
| US8392176B2 (en) * | 2006-04-10 | 2013-03-05 | Qualcomm Incorporated | Processing of excitation in audio coding and decoding |
| EP1852849A1 (en) * | 2006-05-05 | 2007-11-07 | Deutsche Thomson-Brandt Gmbh | Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream |
| US8260609B2 (en) * | 2006-07-31 | 2012-09-04 | Qualcomm Incorporated | Systems, methods, and apparatus for wideband encoding and decoding of inactive frames |
| WO2008084427A2 (en) | 2007-01-10 | 2008-07-17 | Koninklijke Philips Electronics N.V. | Audio decoder |
| US8548815B2 (en) * | 2007-09-19 | 2013-10-01 | Qualcomm Incorporated | Efficient design of MDCT / IMDCT filterbanks for speech and audio coding applications |
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| JP5018557B2 (ja) | 2008-02-29 | 2012-09-05 | カシオ計算機株式会社 | 符号化装置、復号化装置、符号化方法、復号化方法及びプログラム |
| MX2011000372A (es) | 2008-07-11 | 2011-05-19 | Fraunhofer Ges Forschung | Sintetizador de señales de audio y codificador de señales de audio. |
| PT3300076T (pt) * | 2008-07-11 | 2019-07-17 | Fraunhofer Ges Forschung | Codificador de áudio e descodificador de áudio |
| EP2410521B1 (en) * | 2008-07-11 | 2017-10-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio signal encoder, method for generating an audio signal and computer program |
| CA2871252C (en) * | 2008-07-11 | 2015-11-03 | Nikolaus Rettelbach | Audio encoder, audio decoder, methods for encoding and decoding an audio signal, audio stream and computer program |
| CA2871372C (en) | 2008-07-11 | 2016-08-23 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder and decoder for encoding and decoding audio samples |
| ES2592416T3 (es) * | 2008-07-17 | 2016-11-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Esquema de codificación/decodificación de audio que tiene una derivación conmutable |
| KR20100136890A (ko) | 2009-06-19 | 2010-12-29 | 삼성전자주식회사 | 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법 |
| ES2454020T3 (es) | 2009-10-20 | 2014-04-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codificador de audio, decodificador de audio, procedimiento para codificar información de audio, procedimiento y programa de computación que usa una regla dependiente de la región para un mapeado mediante codificación aritmética |
| EP3779978B1 (en) | 2010-04-13 | 2022-04-06 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method of decoding an encoded stereo audio signal using a variable prediction direction |
| 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
- 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 RU RU2016105764A patent/RU2663363C2/ru active
- 2014-07-15 PT PT172106528T patent/PT3333849T/pt unknown
- 2014-07-15 EP EP14738866.4A patent/EP3025338B1/en active Active
- 2014-07-15 PL PL14738866T patent/PL3025338T3/pl unknown
- 2014-07-15 EP EP21212614.8A patent/EP3996091B1/en active Active
- 2014-07-15 CA CA2918851A patent/CA2918851C/en active Active
- 2014-07-15 JP JP2016528422A patent/JP6374501B2/ja active Active
- 2014-07-15 SG SG11201600492QA patent/SG11201600492QA/en unknown
- 2014-07-15 EP EP25198854.9A patent/EP4654189A2/en active Pending
- 2014-07-15 PL PL17210652T patent/PL3333849T3/pl unknown
- 2014-07-15 ES ES17210652T patent/ES2905692T3/es active Active
- 2014-07-15 MY MYPI2016000068A patent/MY192658A/en unknown
- 2014-07-15 MX MX2016000509A patent/MX357136B/es active IP Right Grant
- 2014-07-15 WO PCT/EP2014/065173 patent/WO2015010966A1/en not_active Ceased
- 2014-07-15 TR TR2018/07486T patent/TR201807486T4/tr unknown
- 2014-07-15 CN CN201480041809.7A patent/CN105556599B/zh active Active
- 2014-07-15 EP EP17210652.8A patent/EP3333849B1/en active Active
- 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 KR KR1020167003229A patent/KR101797407B1/ko active Active
- 2014-07-15 AU AU2014295314A patent/AU2014295314B2/en active Active
- 2014-07-15 ES ES14738866.4T patent/ES2665646T3/es active Active
- 2014-07-15 CN CN201911105761.2A patent/CN110895945B/zh 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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