Videomaker – Learn video production and editing, camera reviews › Forums › General › Video and Film Discussion › ex3 mp4 media files importable › mp4 is a container for video
mp4 is a container for video and audio. Not all mp4s are equal. You might try running the footage through Handbrake (it’s free) to render a usable version. Or, see if Sony has a download available for converting video from the ex3.