Glossary Advanced Audio Coding Audio Return Channel Access unit Audio/video Bed object Block Bitstream information Cyclic redundancy check Dynamic Adaptive Streaming over HTTP Dolby Interoperability Support Center Dynamic object Enhanced AC‑3 Elementary stream Frame Frame set Globally unique identifier HTTP Live Streaming International Organization for Standardization High-Definition Multimedia Interface Moving Picture Experts Group Master playlist Media assets MPEG‑4 MP4 sample Media Presentation Description Media presentation Object Object audio metadata Object audio renderer Program Association Table Program clock reference Packetized elementary stream Packet identifier Playlist Program Map Table Presentation time stamp Substream Substream ID Substream type Time slice Transport stream Transport stream segment Uniform Resource Identifier Variant playlist