Mac – how to do screen+audio recording when mac is muted

Apparently Plex can do this according to this forum post

"Posted 06 March 2013 - 02:28 PM I recently discovered that Plex now are able to do transcode AAC to AC3 on the fly - "under preferences for system" audio, select audio output to "digital" and of course highlight AC3 and DTS capable receiver. If you select HDMI if doesn't transcode AAC to AC3. "

I don't have the hardware to test it out though

In this case you can't capture 2 recordings simultaneously with Quicktime. You have use additional Apps e.g Garage Band, Audacity, Audio Hijack or a iPhone to record your internal audio.

In previous Quicktime Pro Versions it was possible insert a audio sequence to a Quicktime Movie.

Here’s a quick how-to:

1. Open Apple iMovie
2. Import your Google Hangout Video Screen Capture
3. Add your audio recording to your iMovie project.
4. Export your Video