PL3025329T3 - Koncepcja enkodowania i dekodowania audio dla kanałów audio i obiektów audio - Google Patents
Koncepcja enkodowania i dekodowania audio dla kanałów audio i obiektów audioInfo
- Publication number
- PL3025329T3 PL3025329T3 PL14739196.5T PL14739196T PL3025329T3 PL 3025329 T3 PL3025329 T3 PL 3025329T3 PL 14739196 T PL14739196 T PL 14739196T PL 3025329 T3 PL3025329 T3 PL 3025329T3
- Authority
- PL
- Poland
- Prior art keywords
- audio
- decoding
- concept
- objects
- channels
- 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
- G10L19/008—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
- G10L19/028—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
- G10L19/04—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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Management Or Editing Of Information On Record Carriers (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20130177378 EP2830045A1 (en) | 2013-07-22 | 2013-07-22 | Concept for audio encoding and decoding for audio channels and audio objects |
| PCT/EP2014/065289 WO2015010998A1 (en) | 2013-07-22 | 2014-07-16 | Concept for audio encoding and decoding for audio channels and audio objects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL3025329T3 true PL3025329T3 (pl) | 2022-07-18 |
Family
ID=48803456
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL22159568.9T PL4033485T3 (pl) | 2013-07-22 | 2014-07-16 | Koncepcja dekodowania audio dla kanałów audio i obiektów audio |
| PL14739196.5T PL3025329T3 (pl) | 2013-07-22 | 2014-07-16 | Koncepcja enkodowania i dekodowania audio dla kanałów audio i obiektów audio |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL22159568.9T PL4033485T3 (pl) | 2013-07-22 | 2014-07-16 | Koncepcja dekodowania audio dla kanałów audio i obiektów audio |
Country Status (18)
| Country | Link |
|---|---|
| US (3) | US10249311B2 (pl) |
| EP (4) | EP2830045A1 (pl) |
| JP (1) | JP6268286B2 (pl) |
| KR (2) | KR101979578B1 (pl) |
| CN (2) | CN110942778B (pl) |
| AR (1) | AR097003A1 (pl) |
| AU (1) | AU2014295269B2 (pl) |
| BR (1) | BR112016001143B1 (pl) |
| CA (4) | CA3251782A1 (pl) |
| ES (2) | ES2995102T3 (pl) |
| MX (1) | MX359159B (pl) |
| PL (2) | PL4033485T3 (pl) |
| PT (1) | PT3025329T (pl) |
| RU (1) | RU2641481C2 (pl) |
| SG (1) | SG11201600476RA (pl) |
| TW (1) | TWI566235B (pl) |
| WO (1) | WO2015010998A1 (pl) |
| ZA (1) | ZA201601076B (pl) |
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| EP2830051A3 (en) | 2013-07-22 | 2015-03-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals |
| EP2830047A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for low delay object metadata coding |
| EP2830045A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Concept for audio encoding and decoding for audio channels and audio objects |
| JP6439296B2 (ja) * | 2014-03-24 | 2018-12-19 | ソニー株式会社 | 復号装置および方法、並びにプログラム |
| US20170086005A1 (en) * | 2014-03-25 | 2017-03-23 | Intellectual Discovery Co., Ltd. | System and method for processing audio signal |
| 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 |
| MX392462B (es) | 2015-10-08 | 2025-03-24 | Dolby Int Ab | Codificacion en capas para representaciones de sonido o campo de sonido comprimidas |
| EP3208800A1 (en) | 2016-02-17 | 2017-08-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for stereo filing in multichannel coding |
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| US10891962B2 (en) * | 2017-03-06 | 2021-01-12 | Dolby International Ab | Integrated reconstruction and rendering of audio signals |
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| GB2563635A (en) * | 2017-06-21 | 2018-12-26 | Nokia Technologies Oy | Recording and rendering audio signals |
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| WO2020081674A1 (en) | 2018-10-16 | 2020-04-23 | Dolby Laboratories Licensing Corporation | Methods and devices for bass management |
| GB2578625A (en) * | 2018-11-01 | 2020-05-20 | Nokia Technologies Oy | Apparatus, methods and computer programs for encoding spatial metadata |
| BR112021008089A2 (pt) * | 2018-11-02 | 2021-08-03 | Dolby International Ab | codificador de áudio e decodificador de áudio |
| ES2985934T3 (es) | 2018-11-13 | 2024-11-07 | Dolby Laboratories Licensing Corp | Representar audio espacial por medio de una señal de audio y metadatos asociados |
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| CN109448741B (zh) * | 2018-11-22 | 2021-05-11 | 广州广晟数码技术有限公司 | 一种3d音频编码、解码方法及装置 |
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| GB2582910A (en) | 2019-04-02 | 2020-10-14 | Nokia Technologies Oy | Audio codec extension |
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