Black bar in 32-bit comps!

Hello

Most of my work that I do as 8-bit comps in Ae. However, I recently wanted to play with a few overbrights in Trapcode 3D Stroke, which can only be realized in a composition of 32-bit.

Whenever I look at the comp, rub it through it seems OK, but as soon as I play it as a preview of RAM, a black bar appears at the top of page 3 of the screen (and no, there is no mask or solid covering this area). I thought I'd update my nVidia drivers (I have a Quadro FX 4800 card), but alas, to no avail.

32-bit-error.png

It also works his way through the versions made outside.

The problem persists (or perhaps worse) whenever I pass the computer to 16-bit color space:

32-bit-error-2.png

Now half top of the screen is repeated and divided into a cycle that repeats.

Only when I switch the computer to 8 bits, the problem is resolved.

In this model, I used a JPEG sequence (8 bit files). But the problem seems to exist in any new comp or a project on 16 or 32-bit.

I have a professional job quad-core 64 - bit windows 7 with 18 GB of RAM.

Any ideas?

Thanks for your reply Mylenium, much appreciated.

After consulting with my hardware vendor, they suggested that I should update my driver for my Matrox CompressHD that uses a graphics driver unified (or sth). I thought that this card is only useful to speed up H.264 encoding, but apparently she also has effects on your preview and renders (even if you choose to not use it on the rendering).

After a reboot it solved the problem - the artifacts have disappeared as if by magic. Seems that keep all your drivers updated can be a good thing after all...

Tags: After Effects

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