SG11201600492QA - Context-based entropy coding of sample values of a spectral envelope - Google Patents
Context-based entropy coding of sample values of a spectral envelopeInfo
- Publication number
- SG11201600492QA SG11201600492QA SG11201600492QA SG11201600492QA SG11201600492QA SG 11201600492Q A SG11201600492Q A SG 11201600492QA SG 11201600492Q A SG11201600492Q A SG 11201600492QA SG 11201600492Q A SG11201600492Q A SG 11201600492QA SG 11201600492Q A SG11201600492Q A SG 11201600492QA
- Authority
- SG
- Singapore
- Prior art keywords
- context
- entropy coding
- sample values
- spectral envelope
- based entropy
- Prior art date
Links
- 230000003595 spectral effect Effects 0.000 title 1
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 (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13177351 | 2013-07-22 | ||
| EP13189336.4A EP2830055A1 (fr) | 2013-07-22 | 2013-10-18 | Codage entropique basé sur le contexte de valeurs d'échantillon d'une enveloppe spectrale |
| PCT/EP2014/065173 WO2015010966A1 (fr) | 2013-07-22 | 2014-07-15 | Codage entropique basé sur le contexte de valeurs d'échantillon d'une enveloppe spectrale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG11201600492QA true SG11201600492QA (en) | 2016-02-26 |
Family
ID=48808217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG11201600492QA SG11201600492QA (en) | 2013-07-22 | 2014-07-15 | Context-based entropy coding of sample values of a spectral envelope |
Country Status (20)
| Country | Link |
|---|---|
| US (5) | US9947330B2 (fr) |
| EP (4) | EP2830055A1 (fr) |
| JP (4) | JP6374501B2 (fr) |
| KR (1) | KR101797407B1 (fr) |
| CN (2) | CN110895945B (fr) |
| AR (1) | AR096986A1 (fr) |
| AU (1) | AU2014295314B2 (fr) |
| BR (1) | BR112016001142B1 (fr) |
| CA (1) | CA2918851C (fr) |
| ES (2) | ES2905692T3 (fr) |
| MX (1) | MX357136B (fr) |
| MY (1) | MY192658A (fr) |
| PL (2) | PL3333849T3 (fr) |
| PT (2) | PT3333849T (fr) |
| RU (1) | RU2663363C2 (fr) |
| SG (1) | SG11201600492QA (fr) |
| TR (1) | TR201807486T4 (fr) |
| TW (1) | TWI557725B (fr) |
| WO (1) | WO2015010966A1 (fr) |
| ZA (1) | ZA201601009B (fr) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013058634A2 (fr) | 2011-10-21 | 2013-04-25 | 삼성전자 주식회사 | Procédé et appareil de codage à énergie sans perte, procédé et appareil de codage audio, procédé et appareil de décodage à énergie sans perte et procédé et appareil de décodage audio |
| EP2830064A1 (fr) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Appareil et procédé de décodage et de codage d'un signal audio au moyen d'une sélection de tuile spectrale adaptative |
| EP2830055A1 (fr) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codage entropique basé sur le contexte de valeurs d'échantillon d'une enveloppe spectrale |
| WO2016162283A1 (fr) * | 2015-04-07 | 2016-10-13 | Dolby International Ab | Codage audio avec service d'amplification de portée |
| 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 |
| EP3483884A1 (fr) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Filtrage de signal |
| EP3483882A1 (fr) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Contrôle de la bande passante dans des codeurs et/ou des décodeurs |
| EP3483886A1 (fr) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Sélection de délai tonal |
| EP3483883A1 (fr) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codage et décodage de signaux audio avec postfiltrage séléctif |
| EP3483880A1 (fr) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Mise en forme de bruit temporel |
| WO2019091573A1 (fr) * | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Appareil et procédé de codage et de décodage d'un signal audio utilisant un sous-échantillonnage ou une interpolation de paramètres d'échelle |
| WO2019091576A1 (fr) | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codeurs audio, décodeurs audio, procédés et programmes informatiques adaptant un codage et un décodage de bits les moins significatifs |
| EP3483879A1 (fr) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Fonction de fenêtrage d'analyse/de synthèse pour une transformation chevauchante modulée |
| EP3483878A1 (fr) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Décodeur audio supportant un ensemble de différents outils de dissimulation de pertes |
| 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 |
Family Cites Families (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| ES2358125T3 (es) * | 2005-04-01 | 2011-05-05 | Qualcomm Incorporated | Procedimiento y aparato para un filtrado de antidispersión de una señal ensanchada de excitación de predicción de velocidad de ancho de banda. |
| ES2587999T3 (es) | 2005-10-20 | 2016-10-28 | Lg Electronics Inc. | Procedimiento, aparato y soporte de registro legible por ordenador para decodificar una señal de audio multicanal |
| 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 (fr) * | 2006-05-05 | 2007-11-07 | Deutsche Thomson-Brandt Gmbh | Procédé et appareil d'encodage sans perte d'un signal source utilisant un courant de données encodées avec perte et un courant d'extension de données encodées sans perte |
| US8260609B2 (en) * | 2006-07-31 | 2012-09-04 | Qualcomm Incorporated | Systems, methods, and apparatus for wideband encoding and decoding of inactive frames |
| RU2466469C2 (ru) | 2007-01-10 | 2012-11-10 | Конинклейке Филипс Электроникс Н.В. | Аудиодекодер |
| US8548815B2 (en) * | 2007-09-19 | 2013-10-01 | Qualcomm Incorporated | Efficient design of MDCT / IMDCT filterbanks for speech and audio coding applications |
| US20090099844A1 (en) * | 2007-10-16 | 2009-04-16 | Qualcomm Incorporated | Efficient implementation of analysis and synthesis filterbanks for mpeg aac and mpeg aac eld encoders/decoders |
| 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 |
| ES2741963T3 (es) * | 2008-07-11 | 2020-02-12 | Fraunhofer Ges Forschung | Codificadores de señal de audio, métodos para codificar una señal de audio y programas informáticos |
| CN102089811B (zh) * | 2008-07-11 | 2013-04-10 | 弗朗霍夫应用科学研究促进协会 | 用于编码和解码音频样本的音频编码器和解码器 |
| PT3573056T (pt) * | 2008-07-11 | 2022-10-24 | Fraunhofer Ges Forschung | Codificador de áudio e descodificador de áudio |
| CA2871268C (fr) | 2008-07-11 | 2015-11-03 | Nikolaus Rettelbach | Encodeur audio, decodeur audio, procedes d'encodage et de decodage d'un signal audio, flux audio et programme d'ordinateur |
| PL2146344T3 (pl) * | 2008-07-17 | 2017-01-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Sposób kodowania/dekodowania sygnału audio obejmujący przełączalne obejście |
| KR20100136890A (ko) * | 2009-06-19 | 2010-12-29 | 삼성전자주식회사 | 컨텍스트 기반의 산술 부호화 장치 및 방법과 산술 복호화 장치 및 방법 |
| CA2778368C (fr) | 2009-10-20 | 2016-01-26 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Codeur audio, decodeur audio, procede de codage d'une information audio, procede de decodage d'une information audio, et programme informatique utilisant une reduction de taille d'intervalle iterative |
| EP3779975B1 (fr) | 2010-04-13 | 2023-07-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Décodeur audio et procédés apparentés pour un traitement de signaux audio multicanaux à l'aide d'une direction de prédiction 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 |
| EP2830055A1 (fr) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codage entropique basé sur le contexte de valeurs d'échantillon d'une enveloppe spectrale |
-
2013
- 2013-10-18 EP EP13189336.4A patent/EP2830055A1/fr not_active Withdrawn
-
2014
- 2014-07-14 TW TW103124173A patent/TWI557725B/zh active
- 2014-07-15 TR TR2018/07486T patent/TR201807486T4/tr unknown
- 2014-07-15 RU RU2016105764A patent/RU2663363C2/ru active
- 2014-07-15 PL PL17210652T patent/PL3333849T3/pl unknown
- 2014-07-15 ES ES17210652T patent/ES2905692T3/es active Active
- 2014-07-15 PT PT172106528T patent/PT3333849T/pt unknown
- 2014-07-15 BR BR112016001142-2A patent/BR112016001142B1/pt active IP Right Grant
- 2014-07-15 CN CN201911105761.2A patent/CN110895945B/zh active Active
- 2014-07-15 AU AU2014295314A patent/AU2014295314B2/en active Active
- 2014-07-15 EP EP21212614.8A patent/EP3996091A1/fr active Pending
- 2014-07-15 SG SG11201600492QA patent/SG11201600492QA/en unknown
- 2014-07-15 EP EP17210652.8A patent/EP3333849B1/fr active Active
- 2014-07-15 ES ES14738866.4T patent/ES2665646T3/es active Active
- 2014-07-15 KR KR1020167003229A patent/KR101797407B1/ko active IP Right Grant
- 2014-07-15 WO PCT/EP2014/065173 patent/WO2015010966A1/fr active Application Filing
- 2014-07-15 JP JP2016528422A patent/JP6374501B2/ja active Active
- 2014-07-15 MY MYPI2016000068A patent/MY192658A/en unknown
- 2014-07-15 CN CN201480041809.7A patent/CN105556599B/zh active Active
- 2014-07-15 MX MX2016000509A patent/MX357136B/es active IP Right Grant
- 2014-07-15 PT PT147388664T patent/PT3025338T/pt unknown
- 2014-07-15 PL PL14738866T patent/PL3025338T3/pl unknown
- 2014-07-15 EP EP14738866.4A patent/EP3025338B1/fr active Active
- 2014-07-15 CA CA2918851A patent/CA2918851C/fr active Active
- 2014-07-21 AR ARP140102688A patent/AR096986A1/es active IP Right Grant
-
2016
- 2016-01-19 US US15/000,844 patent/US9947330B2/en active Active
- 2016-02-15 ZA ZA2016/01009A patent/ZA201601009B/en unknown
-
2018
- 2018-03-16 US US15/923,643 patent/US10726854B2/en active Active
- 2018-07-19 JP JP2018135773A patent/JP6744363B2/ja active Active
-
2020
- 2020-07-01 US US16/918,835 patent/US11250866B2/en active Active
- 2020-07-30 JP JP2020129052A patent/JP7260509B2/ja active Active
-
2022
- 2022-01-07 US US17/571,237 patent/US11790927B2/en active Active
-
2023
- 2023-04-06 JP JP2023062397A patent/JP2023098967A/ja active Pending
- 2023-09-11 US US18/464,986 patent/US20240079020A1/en active Pending
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ZA201601009B (en) | Context-based entropy coding of sample values of a spectral envelope | |
| HK1220531A1 (zh) | 高級屏幕內容編碼方案 | |
| HK1222944A1 (zh) | 使用電子束生產鉬- | |
| SG11201603046RA (en) | Coding of spectral coefficients of a spectrum of an audio signal | |
| PL3660843T3 (pl) | Sposób kodowania bezstratnego | |
| HK1215751A1 (zh) | 高級量化器 | |
| GB2518909B (en) | Encoder adaptation | |
| ZA201901522B (en) | Coding and decoding of spectral peak positions | |
| GB201317907D0 (en) | Providing isolated entropy elements | |
| EP3011685A4 (fr) | Mappage de mots de code | |
| GB2520787B (en) | Compact mass spectrometer | |
| GB201412357D0 (en) | Electrical conversion | |
| GB201320982D0 (en) | Multi-stage codeword detector | |
| EP3032571A4 (fr) | Spectromètre de masse triple quadripôle | |
| GB201305686D0 (en) | Operation of a content receiver | |
| EP3006539A4 (fr) | Poudre d'oxynitrure de phosphore | |
| GB2520786B (en) | Compact mass spectrometer | |
| GB201300715D0 (en) | Speech coding | |
| TWM476233U (en) | Operation lamp structure | |
| GB201309228D0 (en) | Context-based video coding | |
| IL245752B (en) | An advanced solution for scanning the code content | |
| AU5556P (en) | TTG13 Vitis vinifera | |
| GB201309762D0 (en) | Compact mass spectrometer | |
| GB201309763D0 (en) | Compact mass spectrometer | |
| GB201309768D0 (en) | Compact mass spectrometer |