RU2641481C2 - Принцип для кодирования и декодирования аудио для аудиоканалов и аудиообъектов - Google Patents
Принцип для кодирования и декодирования аудио для аудиоканалов и аудиообъектов Download PDFInfo
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- RU2641481C2 RU2641481C2 RU2016105518A RU2016105518A RU2641481C2 RU 2641481 C2 RU2641481 C2 RU 2641481C2 RU 2016105518 A RU2016105518 A RU 2016105518A RU 2016105518 A RU2016105518 A RU 2016105518A RU 2641481 C2 RU2641481 C2 RU 2641481C2
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- G—PHYSICS
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- 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
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- G—PHYSICS
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- 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
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- 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
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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
- G10L19/04—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
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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
- G10L19/04—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
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- 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
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (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 (3)
| 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 |
| EP13177378.0 | 2013-07-22 | ||
| PCT/EP2014/065289 WO2015010998A1 (en) | 2013-07-22 | 2014-07-16 | Concept for audio encoding and decoding for audio channels and audio objects |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2016105518A RU2016105518A (ru) | 2017-08-25 |
| RU2641481C2 true RU2641481C2 (ru) | 2018-01-17 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2016105518A RU2641481C2 (ru) | 2013-07-22 | 2014-07-16 | Принцип для кодирования и декодирования аудио для аудиоканалов и аудиообъектов |
Country Status (18)
| Country | Link |
|---|---|
| US (3) | US10249311B2 (https=) |
| EP (4) | EP2830045A1 (https=) |
| JP (1) | JP6268286B2 (https=) |
| KR (2) | KR101943590B1 (https=) |
| CN (2) | CN110942778B (https=) |
| AR (1) | AR097003A1 (https=) |
| AU (1) | AU2014295269B2 (https=) |
| BR (1) | BR112016001143B1 (https=) |
| CA (3) | CA3251768A1 (https=) |
| ES (2) | ES2913849T3 (https=) |
| MX (1) | MX359159B (https=) |
| PL (2) | PL4033485T3 (https=) |
| PT (1) | PT3025329T (https=) |
| RU (1) | RU2641481C2 (https=) |
| SG (1) | SG11201600476RA (https=) |
| TW (1) | TWI566235B (https=) |
| WO (1) | WO2015010998A1 (https=) |
| ZA (1) | ZA201601076B (https=) |
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| RU2771954C2 (ru) * | 2018-10-16 | 2022-05-16 | Долби Лэборетериз Лайсенсинг Корпорейшн | Способы и устройства для управления низкими звуковыми частотами |
| US11477601B2 (en) | 2018-10-16 | 2022-10-18 | Dolby Laboratories Licensing Corporation | Methods and devices for bass management |
| US12494213B2 (en) | 2020-10-13 | 2025-12-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding a plurality of audio objects using direction information during a downmixing or apparatus and method for decoding using an optimized covariance synthesis |
| US12586593B2 (en) | 2020-10-13 | 2026-03-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding a plurality of audio objects or apparatus and method for decoding using two or more relevant audio objects |
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| 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 |
| 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 |
| WO2015147435A1 (ko) * | 2014-03-25 | 2015-10-01 | 인텔렉추얼디스커버리 주식회사 | 오디오 신호 처리 시스템 및 방법 |
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| 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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| JP7396267B2 (ja) * | 2018-03-29 | 2023-12-12 | ソニーグループ株式会社 | 情報処理装置、情報処理方法、及びプログラム |
| WO2019197349A1 (en) | 2018-04-11 | 2019-10-17 | Dolby International Ab | Methods, apparatus and systems for a pre-rendered signal for audio rendering |
| IL319278A (en) | 2018-07-02 | 2025-04-01 | Dolby Laboratories Licensing Corp | Methods and devices for generating or decoding a bit sequence comprising embedded audio signals |
| GB2578625A (en) * | 2018-11-01 | 2020-05-20 | Nokia Technologies Oy | Apparatus, methods and computer programs for encoding spatial metadata |
| US11929082B2 (en) * | 2018-11-02 | 2024-03-12 | Dolby International Ab | Audio encoder and an audio decoder |
| EP4462821A3 (en) | 2018-11-13 | 2024-12-25 | Dolby Laboratories Licensing Corporation | Representing spatial audio by means of an audio signal and associated metadata |
| EP3881559B1 (en) | 2018-11-13 | 2024-02-14 | Dolby Laboratories Licensing Corporation | Audio processing in immersive audio services |
| BR112021009306A2 (pt) * | 2018-11-20 | 2021-08-10 | Sony Group Corporation | dispositivo e método de processamento de informações, e, programa. |
| 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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