Digital sound is nothing more than numbers. What separates one container from another is how those numbers are packed, how much data (if any) is thrown away, and which devices understand the result.

I go step by step to show how I convert a video to audio on my iPhone using only built-in apps. I use the Shortcuts app that comes with every iPhone to turn videos into audio files fast. I show how to ...

There are times when you may want to keep the audio from a video for a future project, use it as a ringtone, or for any personal reason you can think of. While this often requires a third-party app, ...

Xvid is rarely used these days, but that means it can be hard to know what to do with it if you come across it while digging through your old files. It’s essentially a method for compressing video, ...