CA2918529C - Apparatus and method for realizing a saoc downmix of 3d audio content - Google Patents
Apparatus and method for realizing a saoc downmix of 3d audio content Download PDFInfo
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- CA2918529C CA2918529C CA2918529A CA2918529A CA2918529C CA 2918529 C CA2918529 C CA 2918529C CA 2918529 A CA2918529 A CA 2918529A CA 2918529 A CA2918529 A CA 2918529A CA 2918529 C CA2918529 C CA 2918529C
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/02—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
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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
-
- 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
- H04S3/006—Systems employing more than two channels, e.g. quadraphonic in which a plurality of audio signals are transformed in a combination of audio signals and modulated signals, e.g. CD-4 systems
-
- 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
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
- H04S7/305—Electronic adaptation of stereophonic audio signals to reverberation of the listening space
-
- 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
- H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
-
- 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
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/13—Aspects of volume control, not necessarily automatic, in stereophonic sound systems
-
- 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)
- Mathematical Physics (AREA)
- Human Computer Interaction (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Mathematical Analysis (AREA)
- Theoretical Computer Science (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Optimization (AREA)
- General Physics & Mathematics (AREA)
- Algebra (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13177378.0 | 2013-07-22 | ||
| EP20130177378 EP2830045A1 (en) | 2013-07-22 | 2013-07-22 | Concept for audio encoding and decoding for audio channels and audio objects |
| EP13177357.4 | 2013-07-22 | ||
| EP13177371 | 2013-07-22 | ||
| EP13177357 | 2013-07-22 | ||
| EP13177371.5 | 2013-07-22 | ||
| EP13189281.2A EP2830048A1 (en) | 2013-07-22 | 2013-10-18 | Apparatus and method for realizing a SAOC downmix of 3D audio content |
| EP13189281.2 | 2013-10-18 | ||
| PCT/EP2014/065290 WO2015010999A1 (en) | 2013-07-22 | 2014-07-16 | Apparatus and method for realizing a saoc downmix of 3d audio content |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2918529A1 CA2918529A1 (en) | 2015-01-29 |
| CA2918529C true CA2918529C (en) | 2018-05-22 |
Family
ID=49385153
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2918529A Active CA2918529C (en) | 2013-07-22 | 2014-07-16 | Apparatus and method for realizing a saoc downmix of 3d audio content |
| CA2918869A Active CA2918869C (en) | 2013-07-22 | 2014-07-17 | Apparatus and method for enhanced spatial audio object coding |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2918869A Active CA2918869C (en) | 2013-07-22 | 2014-07-17 | Apparatus and method for enhanced spatial audio object coding |
Country Status (18)
| Country | Link |
|---|---|
| US (4) | US9699584B2 (https=) |
| EP (4) | EP2830048A1 (https=) |
| JP (3) | JP6395827B2 (https=) |
| KR (2) | KR101774796B1 (https=) |
| CN (3) | CN112839296B (https=) |
| AU (2) | AU2014295270B2 (https=) |
| BR (2) | BR112016001244B1 (https=) |
| CA (2) | CA2918529C (https=) |
| ES (2) | ES2768431T3 (https=) |
| MX (2) | MX355589B (https=) |
| MY (2) | MY176990A (https=) |
| PL (2) | PL3025333T3 (https=) |
| PT (1) | PT3025333T (https=) |
| RU (2) | RU2666239C2 (https=) |
| SG (2) | SG11201600460UA (https=) |
| TW (2) | TWI560700B (https=) |
| WO (2) | WO2015010999A1 (https=) |
| ZA (1) | ZA201600984B (https=) |
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| JP6564068B2 (ja) | 2015-02-02 | 2019-08-21 | フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ | 符号化されたオーディオ信号を処理するための装置および方法 |
| CN106303897A (zh) | 2015-06-01 | 2017-01-04 | 杜比实验室特许公司 | 处理基于对象的音频信号 |
| CA3281204A1 (en) * | 2015-06-17 | 2025-10-31 | Sony Corporation | Transmitting device, transmitting method, receiving device, and receiving method |
| US10271157B2 (en) | 2016-05-31 | 2019-04-23 | Gaudio Lab, Inc. | Method and apparatus for processing audio signal |
| US10349196B2 (en) * | 2016-10-03 | 2019-07-09 | Nokia Technologies Oy | Method of editing audio signals using separated objects and associated apparatus |
| US10535355B2 (en) | 2016-11-18 | 2020-01-14 | Microsoft Technology Licensing, Llc | Frame coding for spatial audio data |
| CN108182947B (zh) * | 2016-12-08 | 2020-12-15 | 武汉斗鱼网络科技有限公司 | 一种声道混合处理方法及装置 |
| EP3605531B1 (en) | 2017-03-28 | 2024-08-21 | Sony Group Corporation | Information processing device, information processing method, and program |
| CN109688497B (zh) * | 2017-10-18 | 2021-10-01 | 宏达国际电子股份有限公司 | 声音播放装置、方法及非暂态存储介质 |
| GB2574239A (en) * | 2018-05-31 | 2019-12-04 | Nokia Technologies Oy | Signalling of spatial audio parameters |
| US10620904B2 (en) | 2018-09-12 | 2020-04-14 | At&T Intellectual Property I, L.P. | Network broadcasting for selective presentation of audio content |
| WO2020067057A1 (ja) | 2018-09-28 | 2020-04-02 | 株式会社フジミインコーポレーテッド | 酸化ガリウム基板研磨用組成物 |
| GB2577885A (en) | 2018-10-08 | 2020-04-15 | Nokia Technologies Oy | Spatial audio augmentation and reproduction |
| 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 |
| ES2974219T3 (es) | 2018-11-13 | 2024-06-26 | Dolby Laboratories Licensing Corp | Procesamiento de audio en servicios de audio inversivos |
| GB2582748A (en) * | 2019-03-27 | 2020-10-07 | Nokia Technologies Oy | Sound field related rendering |
| US11622219B2 (en) * | 2019-07-24 | 2023-04-04 | Nokia Technologies Oy | Apparatus, a method and a computer program for delivering audio scene entities |
| KR102854679B1 (ko) | 2019-08-01 | 2025-09-05 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 공분산 평활화를 위한 시스템 및 방법 |
| GB2587614A (en) * | 2019-09-26 | 2021-04-07 | Nokia Technologies Oy | Audio encoding and audio decoding |
| CN120526780A (zh) * | 2020-03-09 | 2025-08-22 | 日本电信电话株式会社 | 声音信号缩混方法、编码方法、缩混装置及程序 |
| GB2595475A (en) | 2020-05-27 | 2021-12-01 | Nokia Technologies Oy | Spatial audio representation and rendering |
| CN111885414B (zh) * | 2020-07-24 | 2023-03-21 | 腾讯科技（深圳）有限公司 | 一种数据处理方法、装置、设备及可读存储介质 |
| CN116529815A (zh) * | 2020-10-13 | 2023-08-01 | 弗劳恩霍夫应用研究促进协会 | 对多个音频对象进行编码的装置和方法以及使用两个或更多个相关音频对象进行解码的装置和方法 |
| 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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