MX362548B - Decorrelacionador multicanal, descodificador de audio multicanal, codificador de audio multicanal, metodos y programa de computadora usando una premezcla de señales de entrada del decorrelacionador. - Google Patents
Decorrelacionador multicanal, descodificador de audio multicanal, codificador de audio multicanal, metodos y programa de computadora usando una premezcla de señales de entrada del decorrelacionador.Info
- Publication number
- MX362548B MX362548B MX2016000915A MX2016000915A MX362548B MX 362548 B MX362548 B MX 362548B MX 2016000915 A MX2016000915 A MX 2016000915A MX 2016000915 A MX2016000915 A MX 2016000915A MX 362548 B MX362548 B MX 362548B
- Authority
- MX
- Mexico
- Prior art keywords
- decorrelator
- channel
- channel audio
- input signals
- premix
- Prior art date
Links
- 238000004590 computer program Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
-
- 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
-
- 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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
-
- 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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
-
- 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
- G10L19/26—Pre-filtering or post-filtering
- G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field
-
- 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)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Algebra (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Complex Calculations (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13177374 | 2013-07-22 | ||
| EP20130189339 EP2830333A1 (en) | 2013-07-22 | 2013-10-18 | Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals |
| PCT/EP2014/065395 WO2015011014A1 (en) | 2013-07-22 | 2014-07-17 | Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| MX2016000915A MX2016000915A (es) | 2016-05-31 |
| MX362548B true MX362548B (es) | 2019-01-24 |
Family
ID=48832794
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2016000915A MX362548B (es) | 2013-07-22 | 2014-07-17 | Decorrelacionador multicanal, descodificador de audio multicanal, codificador de audio multicanal, metodos y programa de computadora usando una premezcla de señales de entrada del decorrelacionador. |
| MX2018012891A MX2018012891A (es) | 2013-07-22 | 2016-01-21 | Decorrelacionador multicanal, descodificador de audio multicanal, codificador de audio multicanal, métodos y programa de computadora usando una premezcla de señales de entrada del decorrelacionador. |
| MX2018012892A MX2018012892A (es) | 2013-07-22 | 2016-01-21 | Decorrelacionador multicanal, descodificador de audio multicanal, codificador de audio multicanal, métodos y programa de computadora usando una premezcla de señales de entrada del decorrelacionador. |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2018012891A MX2018012891A (es) | 2013-07-22 | 2016-01-21 | Decorrelacionador multicanal, descodificador de audio multicanal, codificador de audio multicanal, métodos y programa de computadora usando una premezcla de señales de entrada del decorrelacionador. |
| MX2018012892A MX2018012892A (es) | 2013-07-22 | 2016-01-21 | Decorrelacionador multicanal, descodificador de audio multicanal, codificador de audio multicanal, métodos y programa de computadora usando una premezcla de señales de entrada del decorrelacionador. |
Country Status (19)
| Country | Link |
|---|---|
| US (6) | US11115770B2 (enExample) |
| EP (5) | EP2830333A1 (enExample) |
| JP (3) | JP6434013B2 (enExample) |
| KR (1) | KR101893410B1 (enExample) |
| CN (1) | CN105580390B (enExample) |
| AR (2) | AR097014A1 (enExample) |
| AU (2) | AU2014295206B2 (enExample) |
| BR (1) | BR112016001245B1 (enExample) |
| CA (1) | CA2919077C (enExample) |
| ES (3) | ES2924174T3 (enExample) |
| MX (3) | MX362548B (enExample) |
| MY (1) | MY178904A (enExample) |
| PL (1) | PL3025515T3 (enExample) |
| PT (1) | PT3025515T (enExample) |
| RU (1) | RU2666640C2 (enExample) |
| SG (1) | SG11201600491SA (enExample) |
| TW (1) | TWI587285B (enExample) |
| WO (1) | WO2015011014A1 (enExample) |
| ZA (1) | ZA201601047B (enExample) |
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| EP2830333A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals |
| PT3022949T (pt) | 2013-07-22 | 2018-01-23 | Fraunhofer Ges Forschung | Descodificador de áudio multicanal, codificador de áudio de multicanal, métodos, programa de computador e representação de áudio codificada usando uma descorrelação dos sinais de áudio renderizados |
| WO2015036350A1 (en) * | 2013-09-12 | 2015-03-19 | Dolby International Ab | Audio decoding system and audio encoding system |
| CN113921020B (zh) * | 2014-09-30 | 2025-10-10 | 索尼公司 | 发送装置、发送方法、接收装置和接收方法 |
| EP3266021B1 (en) * | 2015-03-03 | 2019-05-08 | Dolby Laboratories Licensing Corporation | Enhancement of spatial audio signals by modulated decorrelation |
| EP3067885A1 (en) | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding or decoding a multi-channel signal |
| CN107886960B (zh) * | 2016-09-30 | 2020-12-01 | 华为技术有限公司 | 一种音频信号重建方法及装置 |
| US10349196B2 (en) * | 2016-10-03 | 2019-07-09 | Nokia Technologies Oy | Method of editing audio signals using separated objects and associated apparatus |
| US10839814B2 (en) * | 2017-10-05 | 2020-11-17 | Qualcomm Incorporated | Encoding or decoding of audio signals |
| US11004457B2 (en) * | 2017-10-18 | 2021-05-11 | Htc Corporation | Sound reproducing method, apparatus and non-transitory computer readable storage medium thereof |
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| WO2020126120A1 (en) * | 2018-12-20 | 2020-06-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for controlling multichannel audio frame loss concealment |
| GB2582748A (en) * | 2019-03-27 | 2020-10-07 | Nokia Technologies Oy | Sound field related rendering |
| EP3719799A1 (en) * | 2019-04-04 | 2020-10-07 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | A multi-channel audio encoder, decoder, methods and computer program for switching between a parametric multi-channel operation and an individual channel operation |
| GB2584630A (en) * | 2019-05-29 | 2020-12-16 | Nokia Technologies Oy | Audio processing |
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| JP7434610B2 (ja) | 2020-05-26 | 2024-02-20 | ドルビー・インターナショナル・アーベー | 効率的なダッキング利得適用による改善されたメイン‐関連オーディオ体験 |
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| IL317716A (en) | 2022-07-27 | 2025-02-01 | Dolby Laboratories Licensing Corp | Spatial audio creation adapts to signal level thresholds and speaker playback limitation |
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| WO2014126689A1 (en) * | 2013-02-14 | 2014-08-21 | Dolby Laboratories Licensing Corporation | Methods for controlling the inter-channel coherence of upmixed audio signals |
| EP2830333A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals |
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