PT3025333T - Aparelho e método para efetuar um downmix saoc de conteúdo áudio 3d - Google Patents
Aparelho e método para efetuar um downmix saoc de conteúdo áudio 3dInfo
- Publication number
- PT3025333T PT3025333T PT147421887T PT14742188T PT3025333T PT 3025333 T PT3025333 T PT 3025333T PT 147421887 T PT147421887 T PT 147421887T PT 14742188 T PT14742188 T PT 14742188T PT 3025333 T PT3025333 T PT 3025333T
- Authority
- PT
- Portugal
- Prior art keywords
- realizing
- audio content
- saoc downmix
- saoc
- downmix
- Prior art date
Links
Classifications
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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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- General Physics & Mathematics (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Algebra (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (4)
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 |
EP13177357 | 2013-07-22 | ||
EP13177371 | 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 |
Publications (1)
Publication Number | Publication Date |
---|---|
PT3025333T true PT3025333T (pt) | 2020-02-25 |
Family
ID=49385153
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT147421887T PT3025333T (pt) | 2013-07-22 | 2014-07-16 | Aparelho e método para efetuar um downmix saoc de conteúdo áudio 3d |
Country Status (19)
Country | Link |
---|---|
US (4) | US9578435B2 (pt) |
EP (4) | EP2830050A1 (pt) |
JP (3) | JP6395827B2 (pt) |
KR (2) | KR101774796B1 (pt) |
CN (3) | CN105593929B (pt) |
AU (2) | AU2014295270B2 (pt) |
BR (2) | BR112016001244B1 (pt) |
CA (2) | CA2918529C (pt) |
ES (2) | ES2768431T3 (pt) |
HK (1) | HK1225505A1 (pt) |
MX (2) | MX355589B (pt) |
MY (2) | MY176990A (pt) |
PL (2) | PL3025333T3 (pt) |
PT (1) | PT3025333T (pt) |
RU (2) | RU2666239C2 (pt) |
SG (2) | SG11201600460UA (pt) |
TW (2) | TWI560700B (pt) |
WO (2) | WO2015010999A1 (pt) |
ZA (1) | ZA201600984B (pt) |
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JP5740531B2 (ja) | 2011-07-01 | 2015-06-24 | 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 | オブジェクトベースオーディオのアップミキシング |
CN102931969B (zh) | 2011-08-12 | 2015-03-04 | 智原科技股份有限公司 | 数据提取的方法与装置 |
EP2560161A1 (en) * | 2011-08-17 | 2013-02-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Optimal mixing matrices and usage of decorrelators in spatial audio processing |
BR112014010062B1 (pt) * | 2011-11-01 | 2021-12-14 | Koninklijke Philips N.V. | Codificador de objeto de áudio, decodificador de objeto de áudio, método para a codificação de objeto de áudio, e método para a decodificação de objeto de áudio |
EP2721610A1 (en) | 2011-11-25 | 2014-04-23 | Huawei Technologies Co., Ltd. | An apparatus and a method for encoding an input signal |
US9666198B2 (en) | 2013-05-24 | 2017-05-30 | Dolby International Ab | Reconstruction of audio scenes from a downmix |
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 |
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