Specs: 18 Mbps CBR MPEG-2 video, 448 Kbps 5.1 AC-3 audio
Update: Followup by Ben Waggoner:
I’ve made a followup test – same source, but at 8 Mbps VBR in four different codecs:
The goal here is to test content at a data rate where you could do a 1080p 2-hour feature on DVD-9 media. The trailer is very high motion, so it’s not exactly a fair test, but the results should be interesting.