: MPD is for DASH (codec-agnostic, widely used in Android TV, Smart TVs, YouTube). M3U8 is for HLS (Apple ecosystem, but now universal). Both enable adaptive bitrate streaming. 2. EPG (Electronic Program Guide) EPG is not part of MPD/M3U8 directly — it's metadata for live/linear TV scheduling (start time, end time, program title, description, genre, parental rating).