An MP4 file is an MPEG-4 video encoding used for viewing movies. It is a file compression format that provides a wrapper for video, audio and text. Its low bandwidth makes it ideal for streaming from ...

(1) A handheld device that plays video in the MPEG-4 movie file format. See MP4 and portable video player. (2) Any media player software or Blu-ray/DVD player that supports the MP4 movie file format.

The iPod Classic, also sometimes referred to as the iPod Video, is built in the more traditional iPod style: it features a 2.5-inch full color screen, with a 320-by-240-pixel resolution, and the ...