2-pass encoding and slo-mo

jwall wrote on 6/21/2004, 2:33 PM
Just finished stage 1 of a project that involved quite a bit of slo-mo. I raised the supersampling bus to 2 for the slowed footage, and also used the variable bit-rate, 2-pass MPEG encoding. I must say, the results are stunning. I've supersampled all of my slo-mo stuff since I learned about supersampling, but, unless I'm being deceived, the 2-pass mpeg encoding really helped out!!

Anyone else out there experience similar results, or is it perhaps the way I shot the footage this time, and the 2-pass encoding just happened to get the credit? I'm interested in hearing if anyone else has had similar results w/ 2-pass encoding.

Jon

By the way...I was checking up on the render, and I noticed it was at the end of the video, but the bar was only at 50%...I saw the last shot fade to black, and I was wondering if I had left an event CLEAR at the end, so it was going to render a whole segment of black......but then the first frames appear again in the preview window, and I realized that it was just doing the second pass. So, it doubled my render time, but I didn't really mind. In VV4 I had the preview window turned of during renders, but I haven't done that in 5 yet.....

Comments

johnmeyer wrote on 6/21/2004, 2:38 PM
I was one of the people who recommended using supersampling for slow motion. Then, about three months ago, there were a bunch of threads about supersampling, and everyone said it didn't do a darn thing for slow motion.

When questions like this come up, I used to do tests to determine the answer, but I don't have time for this anymore, and it really should be Sony's responsibility to document their products sufficiently. Thus, without a definitive statement from Sony in their manual or elsewhere, I am no longer certain whether supersampling helps slo-motion.

However, since so many forum members claim that it doesn't help, I have quit using it (since it increases render time by nX, where "n" is the supersampling level you choose).