PL3005355T3 - Kodowanie scen audio - Google Patents
Kodowanie scen audioInfo
- Publication number
- PL3005355T3 PL3005355T3 PL14727789T PL14727789T PL3005355T3 PL 3005355 T3 PL3005355 T3 PL 3005355T3 PL 14727789 T PL14727789 T PL 14727789T PL 14727789 T PL14727789 T PL 14727789T PL 3005355 T3 PL3005355 T3 PL 3005355T3
- Authority
- PL
- Poland
- Prior art keywords
- coding
- audio scenes
- scenes
- audio
- Prior art date
Links
Classifications
-
- 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
- G10L19/04—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
-
- 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
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation
-
- 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
-
- 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
- H04S2420/07—Synergistic effects of band splitting and sub-band processing
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)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Stereophonic System (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Error Detection And Correction (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361827246P | 2013-05-24 | 2013-05-24 | |
| EP14727789.1A EP3005355B1 (en) | 2013-05-24 | 2014-05-23 | Coding of audio scenes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL3005355T3 true PL3005355T3 (pl) | 2017-11-30 |
Family
ID=50884378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL14727789T PL3005355T3 (pl) | 2013-05-24 | 2014-05-23 | Kodowanie scen audio |
Country Status (19)
| Country | Link |
|---|---|
| US (10) | US10026408B2 (pl) |
| EP (1) | EP3005355B1 (pl) |
| KR (1) | KR101761569B1 (pl) |
| CN (7) | CN117059107A (pl) |
| AU (1) | AU2014270299B2 (pl) |
| BR (2) | BR122020017152B1 (pl) |
| CA (5) | CA3017077C (pl) |
| DK (1) | DK3005355T3 (pl) |
| ES (1) | ES2636808T3 (pl) |
| HU (1) | HUE033428T2 (pl) |
| IL (10) | IL314275B2 (pl) |
| IN (1) | IN2015MN03262A (pl) |
| MX (1) | MX349394B (pl) |
| MY (4) | MY204539A (pl) |
| PL (1) | PL3005355T3 (pl) |
| RU (1) | RU2608847C1 (pl) |
| SG (1) | SG11201508841UA (pl) |
| UA (1) | UA113692C2 (pl) |
| WO (1) | WO2014187986A1 (pl) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA3045686C (en) | 2010-04-09 | 2020-07-14 | Dolby International Ab | Audio upmixer operable in prediction or non-prediction mode |
| WO2014187990A1 (en) | 2013-05-24 | 2014-11-27 | Dolby International Ab | Efficient coding of audio scenes comprising audio objects |
| EP2973551B1 (en) | 2013-05-24 | 2017-05-03 | Dolby International AB | Reconstruction of audio scenes from a downmix |
| CA3017077C (en) | 2013-05-24 | 2021-08-17 | Dolby International Ab | Coding of audio scenes |
| ES2643789T3 (es) | 2013-05-24 | 2017-11-24 | Dolby International Ab | Codificación eficiente de escenas de audio que comprenden objetos de audio |
| WO2014187987A1 (en) | 2013-05-24 | 2014-11-27 | Dolby International Ab | Methods for audio encoding and decoding, corresponding computer-readable media and corresponding audio encoder and decoder |
| US9712939B2 (en) | 2013-07-30 | 2017-07-18 | Dolby Laboratories Licensing Corporation | Panning of audio objects to arbitrary speaker layouts |
| EP3127109B1 (en) | 2014-04-01 | 2018-03-14 | Dolby International AB | Efficient coding of audio scenes comprising audio objects |
| CN106796804B (zh) | 2014-10-02 | 2020-09-18 | 杜比国际公司 | 用于对话增强的解码方法和解码器 |
| CN112802496B (zh) * | 2014-12-11 | 2025-01-24 | 杜比实验室特许公司 | 元数据保留的音频对象聚类 |
| US9854375B2 (en) * | 2015-12-01 | 2017-12-26 | Qualcomm Incorporated | Selection of coded next generation audio data for transport |
| US10861467B2 (en) | 2017-03-01 | 2020-12-08 | Dolby Laboratories Licensing Corporation | Audio processing in adaptive intermediate spatial format |
| JP7092047B2 (ja) * | 2019-01-17 | 2022-06-28 | 日本電信電話株式会社 | 符号化復号方法、復号方法、これらの装置及びプログラム |
| US11514921B2 (en) * | 2019-09-26 | 2022-11-29 | Apple Inc. | Audio return channel data loopback |
| CN111009257B (zh) * | 2019-12-17 | 2022-12-27 | 北京小米智能科技有限公司 | 一种音频信号处理方法、装置、终端及存储介质 |
| 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 |
| WO2022214480A1 (en) * | 2021-04-06 | 2022-10-13 | Dolby International Ab | Encoding of envelope information of an audio downmix signal |
| US20250078846A1 (en) * | 2021-07-29 | 2025-03-06 | Dolby International Ab | Methods and apparatus for processing object-based audio and channel-based audio |
| CN115881139B (zh) * | 2021-09-29 | 2026-04-28 | 华为技术有限公司 | 编解码方法、装置、设备、存储介质及计算机程序 |
| AU2024205312A1 (en) * | 2022-12-07 | 2025-07-10 | Dolby International Ab | Binarual rendering |
| WO2025097318A1 (zh) * | 2023-11-07 | 2025-05-15 | 北京小米移动软件有限公司 | 一种音频信号编解码方法及装置、通信系统、通信设备、存储介质 |
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