Check the bitrate .
: If the dual-audio track is out of alignment, use VLC Media Player . Press K or J on your keyboard to shift the audio track forward or backward in 50ms increments until the dialogue matches the lip movements. fix+download+high+quality+the+exorcist+1973+dual+audio+720p
: The subtle, unsettling sound design (layered animal noises and buzzing) is lost in poor compression. Check the bitrate