| class AudioDefinitionModel | An XML file with channel and object information. |
| class DolbyMetadata | Transcodes Dolby audio Metadata chunks. |
| class EnhancedAC3Merger | Combines multiple E-AC-3 streams, with a custom channel mapping. E-AC-3 can contain channel-based 3D audio up to 9.1.6,
and combining a 5.1 stream with quad or stereo additions can reach it. |