CL2016000571A1 - Un método para la cuantificación de parámetros en un codificador de audio y el codificador de audio; método para la decuantificación de parámetros en un decodificador de audio y el decodificador de audio. - Google Patents
Un método para la cuantificación de parámetros en un codificador de audio y el codificador de audio; método para la decuantificación de parámetros en un decodificador de audio y el decodificador de audio.Info
- Publication number
- CL2016000571A1 CL2016000571A1 CL2016000571A CL2016000571A CL2016000571A1 CL 2016000571 A1 CL2016000571 A1 CL 2016000571A1 CL 2016000571 A CL2016000571 A CL 2016000571A CL 2016000571 A CL2016000571 A CL 2016000571A CL 2016000571 A1 CL2016000571 A1 CL 2016000571A1
- Authority
- CL
- Chile
- Prior art keywords
- audio
- parameters
- encoder
- decoder
- quantification
- Prior art date
Links
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
- H04W28/065—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information using assembly or disassembly of packets
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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
- G10L19/032—Quantisation or dequantisation of spectral components
- G10L19/035—Scalar quantisation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/007—Two-channel systems in which the audio signals are in digital form
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0215—Traffic management, e.g. flow control or congestion control based on user or device properties, e.g. MTC-capable devices
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/03—Application of parametric coding in stereophonic audio systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Human Computer Interaction (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Mathematical Physics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Stereophonic System (AREA)
- Error Detection And Correction (AREA)
Abstract
Método en un codificador de audio, que comprende recibir un primer y un segundo parámetro para cuantificar, cuantificar el primer parámetro en base a un primer esquema de cuantificación, decuantificar el primer parámetro, acceder a una función de ajuste de escala y determinar un factor de ajuste del primer parámetro, cuantificar el segundo parámetro sobre la base del factor de ajuste de escala y un segundo esquema de cuantificación; codificador; método y decodificador; medios legibles; sistema.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361877166P | 2013-09-12 | 2013-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CL2016000571A1 true CL2016000571A1 (es) | 2017-03-24 |
Family
ID=51518765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CL2016000571A CL2016000571A1 (es) | 2013-09-12 | 2016-03-10 | Un método para la cuantificación de parámetros en un codificador de audio y el codificador de audio; método para la decuantificación de parámetros en un decodificador de audio y el decodificador de audio. |
Country Status (22)
| Country | Link |
|---|---|
| US (8) | US9672837B2 (es) |
| EP (2) | EP3321932B1 (es) |
| JP (1) | JP6201057B2 (es) |
| KR (1) | KR101777631B1 (es) |
| CN (1) | CN105531763B (es) |
| AR (3) | AR097618A1 (es) |
| AU (1) | AU2014320538B2 (es) |
| BR (1) | BR112016005192B1 (es) |
| CA (1) | CA2922256C (es) |
| CL (1) | CL2016000571A1 (es) |
| DK (1) | DK3044788T3 (es) |
| ES (1) | ES2645839T3 (es) |
| IL (1) | IL244153A (es) |
| MX (1) | MX356805B (es) |
| MY (2) | MY204045A (es) |
| NO (1) | NO2996227T3 (es) |
| PL (1) | PL3044788T3 (es) |
| RU (1) | RU2628898C1 (es) |
| SG (1) | SG11201601144WA (es) |
| TW (1) | TWI579831B (es) |
| UA (1) | UA116482C2 (es) |
| WO (1) | WO2015036349A1 (es) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3067887A1 (en) * | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal |
| PL3539125T3 (pl) * | 2016-11-08 | 2023-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Urządzenie i sposób do kodowania lub dekodowania sygnału wielokanałowego przy wykorzystaniu wzmocnienia pomocniczego i wzmocnienia resztkowego |
| GB2559200A (en) * | 2017-01-31 | 2018-08-01 | Nokia Technologies Oy | Stereo audio signal encoder |
| GB2559199A (en) * | 2017-01-31 | 2018-08-01 | Nokia Technologies Oy | Stereo audio signal encoder |
| AU2018308668A1 (en) | 2017-07-28 | 2020-02-06 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus for encoding or decoding an encoded multichannel signal using a filling signal generated by a broad band filter |
| US11328735B2 (en) * | 2017-11-10 | 2022-05-10 | Nokia Technologies Oy | Determination of spatial audio parameter encoding and associated decoding |
| US10827173B2 (en) * | 2017-11-13 | 2020-11-03 | Electronics And Telecommunications Research Institute | Method and apparatus for quantization |
| US10950251B2 (en) * | 2018-03-05 | 2021-03-16 | Dts, Inc. | Coding of harmonic signals in transform-based audio codecs |
| US10559315B2 (en) | 2018-03-28 | 2020-02-11 | Qualcomm Incorporated | Extended-range coarse-fine quantization for audio coding |
| US10762910B2 (en) | 2018-06-01 | 2020-09-01 | Qualcomm Incorporated | Hierarchical fine quantization for audio coding |
| GB2590651A (en) | 2019-12-23 | 2021-07-07 | Nokia Technologies Oy | Combining of spatial audio parameters |
| EP4165632A2 (en) * | 2020-06-11 | 2023-04-19 | Dolby Laboratories Licensing Corporation | Quantization and entropy coding of parameters for a low latency audio codec |
| CN113206673B (zh) * | 2021-05-24 | 2024-04-02 | 上海海事大学 | 用于网络化控制系统信号量化的差分缩放方法及终端 |
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| NL9100173A (nl) * | 1991-02-01 | 1992-09-01 | Philips Nv | Subbandkodeerinrichting, en een zender voorzien van de kodeerinrichting. |
| US6253165B1 (en) | 1998-06-30 | 2001-06-26 | Microsoft Corporation | System and method for modeling probability distribution functions of transform coefficients of encoded signal |
| SE0202159D0 (sv) | 2001-07-10 | 2002-07-09 | Coding Technologies Sweden Ab | Efficientand scalable parametric stereo coding for low bitrate applications |
| US7240001B2 (en) * | 2001-12-14 | 2007-07-03 | Microsoft Corporation | Quality improvement techniques in an audio encoder |
| EP1500084B1 (en) | 2002-04-22 | 2008-01-23 | Koninklijke Philips Electronics N.V. | Parametric representation of spatial audio |
| JP4676140B2 (ja) | 2002-09-04 | 2011-04-27 | マイクロソフト コーポレーション | オーディオの量子化および逆量子化 |
| WO2004112256A1 (ja) * | 2003-06-10 | 2004-12-23 | Fujitsu Limited | 音声符号化装置 |
| KR100554680B1 (ko) * | 2003-08-20 | 2006-02-24 | 한국전자통신연구원 | 크기 변화에 강인한 양자화 기반 오디오 워터마킹 장치 및방법 |
| JP4303135B2 (ja) * | 2004-01-09 | 2009-07-29 | 独立行政法人科学技術振興機構 | 歪みあり符号方法及び装置、歪みあり符号化プログラム及び記録媒体 |
| US7460990B2 (en) * | 2004-01-23 | 2008-12-02 | Microsoft Corporation | Efficient coding of digital media spectral data using wide-sense perceptual similarity |
| SE0402650D0 (sv) | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Improved parametric stereo compatible coding of spatial audio |
| US7751572B2 (en) | 2005-04-15 | 2010-07-06 | Dolby International Ab | Adaptive residual audio coding |
| KR100878371B1 (ko) * | 2005-04-19 | 2009-01-15 | 돌비 스웨덴 에이비 | 공간적 오디오 파라미터들의 효율적인 부호화를 위한에너지 종속 양자화 |
| US7831434B2 (en) * | 2006-01-20 | 2010-11-09 | Microsoft Corporation | Complex-transform channel coding with extended-band frequency coding |
| US8046214B2 (en) * | 2007-06-22 | 2011-10-25 | Microsoft Corporation | Low complexity decoder for complex transform coding of multi-channel sound |
| US7885819B2 (en) * | 2007-06-29 | 2011-02-08 | Microsoft Corporation | Bitstream syntax for multi-process audio decoding |
| WO2009048239A2 (en) | 2007-10-12 | 2009-04-16 | Electronics And Telecommunications Research Institute | Encoding and decoding method using variable subband analysis and apparatus thereof |
| EP2077551B1 (en) * | 2008-01-04 | 2011-03-02 | Dolby Sweden AB | Audio encoder and decoder |
| ATE538469T1 (de) * | 2008-07-01 | 2012-01-15 | Nokia Corp | Vorrichtung und verfahren zum justieren von räumlichen hinweisinformationen eines mehrkanaligen audiosignals |
| PL4372744T3 (pl) | 2008-07-11 | 2025-09-08 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Sposób dekodowania audio oraz odpowiadający program komputerowy |
| WO2010075895A1 (en) | 2008-12-30 | 2010-07-08 | Nokia Corporation | Parametric audio coding |
| CA3057366C (en) | 2009-03-17 | 2020-10-27 | Dolby International Ab | Advanced stereo coding based on a combination of adaptively selectable left/right or mid/side stereo coding and of parametric stereo coding |
| CN101673549B (zh) * | 2009-09-28 | 2011-12-14 | 武汉大学 | 一种移动音源空间音频参数预测编解码方法及系统 |
| WO2011073600A1 (fr) | 2009-12-18 | 2011-06-23 | France Telecom | Codage/decodage parametrique stereo avec optimisation du traitement de reduction des canaux |
| GB2485979A (en) * | 2010-11-26 | 2012-06-06 | Univ Surrey | Spatial audio coding |
| PL2697795T3 (pl) * | 2011-04-15 | 2015-10-30 | Ericsson Telefon Ab L M | Kodowanie adaptacyjne typu kształt wzmocnienie |
| RU2464649C1 (ru) * | 2011-06-01 | 2012-10-20 | Корпорация "САМСУНГ ЭЛЕКТРОНИКС Ко., Лтд." | Способ обработки звукового сигнала |
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2014
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- 2014-09-08 EP EP17185212.2A patent/EP3321932B1/en active Active
- 2014-09-08 BR BR112016005192-0A patent/BR112016005192B1/pt active IP Right Grant
- 2014-09-08 JP JP2016541900A patent/JP6201057B2/ja active Active
- 2014-09-08 WO PCT/EP2014/069040 patent/WO2015036349A1/en not_active Ceased
- 2014-09-08 MY MYPI2019002184A patent/MY204045A/en unknown
- 2014-09-08 MX MX2016002793A patent/MX356805B/es active IP Right Grant
- 2014-09-08 US US14/916,534 patent/US9672837B2/en active Active
- 2014-09-08 PL PL14761831T patent/PL3044788T3/pl unknown
- 2014-09-08 SG SG11201601144WA patent/SG11201601144WA/en unknown
- 2014-09-08 KR KR1020167006488A patent/KR101777631B1/ko active Active
- 2014-09-08 ES ES14761831.8T patent/ES2645839T3/es active Active
- 2014-09-08 CA CA2922256A patent/CA2922256C/en active Active
- 2014-09-08 MY MYPI2016700684A patent/MY187124A/en unknown
- 2014-09-08 CN CN201480050109.4A patent/CN105531763B/zh active Active
- 2014-09-08 EP EP14761831.8A patent/EP3044788B1/en active Active
- 2014-09-08 UA UAA201602283A patent/UA116482C2/uk unknown
- 2014-09-08 RU RU2016108327A patent/RU2628898C1/ru active
- 2014-09-08 AU AU2014320538A patent/AU2014320538B2/en active Active
- 2014-09-08 DK DK14761831.8T patent/DK3044788T3/da active
- 2014-09-10 AR ARP140103377A patent/AR097618A1/es active IP Right Grant
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2015
- 2015-08-19 NO NO15181552A patent/NO2996227T3/no unknown
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2016
- 2016-02-16 IL IL244153A patent/IL244153A/en active IP Right Grant
- 2016-03-10 CL CL2016000571A patent/CL2016000571A1/es unknown
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2017
- 2017-05-02 US US15/584,534 patent/US10057808B2/en active Active
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- 2018-08-10 US US16/101,220 patent/US10383003B2/en active Active
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2019
- 2019-06-27 US US16/454,649 patent/US10694424B2/en active Active
- 2019-07-19 AR ARP190102046A patent/AR115820A2/es active IP Right Grant
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2020
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