"The present document specifies the object model@ reference renderer@ bitstream syntax and broadcast extensions for MDA. MDA@ short for Multi-Dimension Audio@ is a metadata model and bitstream representation of an object-based soundfield for linear content@ for use in cinema and broadcast applications. The presentdocument consists of four main clauses. The metadata clause (Clause 4) provides a metadata model independent of (bitstream) representation@ with a strong emphasis on cinematic content. Clause 5 specifies a reference renderer@ providing semantics for the MDA metadata model. Clause 6 specifies a preferred bitstream representation of the MDA metadata model. Note that the metadata model allows for more than one bitstream representation. Finally@ Clause 7 specifies an extension of the core MDA model to include metadata and bitstream elements specifically suited for broadcast content. This Clause includes among others metadata for Loudness@ Higher Order Ambisonics and Interactivity. Unless otherwise stated@ MDA metadata are specified using Unified Modeling Language [4]. Note that the MDA core metadata@ reference renderer and bitstream documents have been submitted to SMPTE 25CSS ""Immersive Sound Model and Bitstream"" [i.2] for consideration towards an interoperable immersive sound model and bitstream for cinematographic linear content."
TS 103 223-2015由ETSI - European Telecommunications Standards Institute 发布于 2015-04-01,并于 2015-04-16 实施。
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