Hi Ssam. Thanks for the swift response! I tried the commands in the link you included, and neither worked. The first
just desynchronised the audio for the first clip, ignored the rest! the second command in the thread
avconv -i concat:foo-1.ogv\|foo-2.ogv -c copy foo-3.ogv
just errored out complaining about .avi files. As you can see in my original post, I did also try openshot with the file in the first instance, but with the same short pause.
mencoder -oac pcm -ovc copy -o foo-3.ogv ls *.ogv