ttmlProfile

The profile that MediaPackage uses when signaling subtitles in the manifest. IMSC is the default profile. EBU-TT-D produces subtitles that are compliant with the EBU-TT-D TTML profile. MediaPackage passes through subtitle styles to the manifest. For more information about EBU-TT-D subtitles, see EBU-TT-D Subtitling Distribution Format.