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
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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
- G10L19/02—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 (3) | CA2918148A1 (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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| EP2830049A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for efficient object metadata coding |
| 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 |
| 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 |
| US20170086005A1 (en) * | 2014-03-25 | 2017-03-23 | Intellectual Discovery Co., Ltd. | System and method for processing audio signal |
| WO2016052191A1 (ja) * | 2014-09-30 | 2016-04-07 | ソニー株式会社 | 送信装置、送信方法、受信装置および受信方法 |
| CN108140391B (zh) | 2015-10-08 | 2022-12-16 | 杜比国际公司 | 用于压缩声音或声场表示的分层编解码 |
| 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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| US9913061B1 (en) | 2016-08-29 | 2018-03-06 | The Directv Group, Inc. | Methods and systems for rendering binaural audio content |
| EP4054213A1 (en) * | 2017-03-06 | 2022-09-07 | Dolby International AB | Rendering in dependence on the number of loudspeaker channels |
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| EP3780628A4 (en) * | 2018-03-29 | 2021-02-17 | Sony Corporation | INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD AND PROGRAM |
| BR112020019890A2 (pt) | 2018-04-11 | 2021-01-05 | Dolby International Ab | Métodos, aparelho e sistemas para sinal pré-renderizado para renderização de áudio |
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| JP7413267B2 (ja) | 2018-10-16 | 2024-01-15 | ドルビー ラボラトリーズ ライセンシング コーポレイション | 低音マネジメントのための方法及び装置 |
| GB2578625A (en) * | 2018-11-01 | 2020-05-20 | Nokia Technologies Oy | Apparatus, methods and computer programs for encoding spatial metadata |
| CN113168838A (zh) * | 2018-11-02 | 2021-07-23 | 杜比国际公司 | 音频编码器及音频解码器 |
| JP7488258B2 (ja) | 2018-11-13 | 2024-05-21 | ドルビー ラボラトリーズ ライセンシング コーポレイション | 没入的オーディオ・サービスにおけるオーディオ処理 |
| EP4462821A3 (en) | 2018-11-13 | 2024-12-25 | Dolby Laboratories Licensing Corporation | Representing spatial audio by means of an audio signal and associated metadata |
| CN113016032B (zh) * | 2018-11-20 | 2024-08-20 | 索尼集团公司 | 信息处理装置和方法以及程序 |
| 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 |
| US12066975B2 (en) | 2019-03-15 | 2024-08-20 | Intel Corporation | Cache structure and utilization |
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| US11545166B2 (en) | 2019-07-02 | 2023-01-03 | Dolby International Ab | Using metadata to aggregate signal processing operations |
| EP3809709A1 (en) * | 2019-10-14 | 2021-04-21 | Koninklijke Philips N.V. | Apparatus and method for audio encoding |
| US11861761B2 (en) | 2019-11-15 | 2024-01-02 | Intel Corporation | Graphics processing unit processing and caching improvements |
| KR102471715B1 (ko) * | 2019-12-02 | 2022-11-29 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 채널-기반 오디오로부터 객체-기반 오디오로의 변환을 위한 시스템, 방법 및 장치 |
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| EP4229630A1 (en) | 2020-10-13 | 2023-08-23 | 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 |
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