On Fri, Jan 06, 2017 at 03:44:11 +0100, James Darnley wrote: > > * -b:a 4M # restrict the video bitrate to 4 Mbit/s > > I would suggest -vb (or -b:v in the modern parlance) to set the video > bitrate. Sorry, I did mean -b:v of course. Thanks, Moritz