This is mp4 rendered in sony vegas without converting with QT pro.
REnder as: sony AVC mp4, template is youtube higher quality 30 p,
Description box shows audio 128 kbps, 48000 hz stereo AAC video 2.0 mbps, 29.970 fps 480 x 360.
Clicked custom and lft selection good in project, changed video width to 512 height to 288, no other changes.