Mad_men_1x06_babilonia_ita_bdmux_x264-novarip

: Short for "Blu-ray Mux." This means the video was taken from a Blu-ray source and combined (muxed) with a different audio track (likely the Italian dub).

: The video compression standard used (H.264/MPEG-4 AVC).

: Specifies that the primary audio track or hardcoded subtitles are in Italian.