MIXML;MPEG-7;EBUCore;PBCore
ID;;textTrack@trackId;essenceTrackIdentifier
Format;Format (Extended only);captioningFormatName;essenceTrackEncoding
Format_Version;Format (Extended only);;essenceTrackEncoding@version
Format_Profile;Format (Extended only);;
Duration;;;essenceTrackDuration
BitRate_Mode;;bitRateMode;
BitRate;;bitRate;essenceTrackDataRate
BitRate_Maximum;;bitRateMax;
FrameRate;;;essenceTrackFrameRate
Delay;;;essenceTrackTimeStart
Title;;trackName;
Language;Classification/CaptionLanguage;;
Encryption;Encryption (Extended only);;