We all have an idea of the concept what duration is. What’s meant by the Duration of a file, is the overall runtime of the file. This is noted for video and audio files only and shows how long, with respect to time, the clip, song or recording is. It’s the time that is, typically, displayed in the media player you open the file in as well. However, the duration may vary depending on how a player interprets the Duration, but usually not more than by a few seconds.
The values for the Duration of a file can differ in their form. Here are some explanations for the most common ones: