Useful sequence of commands for extracting audio from a screencast (so you can denoise it in Audacity) and putting it back together again:

Not actually ffmpeg, but will stick in here too -- the afconvert command on a Mac can also be useful for converting audio files, e.g. to Apple Lossless (alac) or AAC. Some example usages:

rapwiki: UsefulFfmpegCommands (last edited 2016-04-04 22:53:53 by MattJohnson)