[QuadList] OT—How to reduce or eliminate moiré patterns from kinescopes?

[Ted Langdell]

Howdy from Elko, NV, heading west...

While at an archive in Salt Lake City (that has Quad and nothing to  
play it on) I had a chance to run a monochrome negative kinney on the  
flashtransfer yesterday.

Surprisingly sharp, the scan lines in the kinney and the scan lines  
in the telecined image caused cyclical moiré, with color fringing on  
horizontal lines during the moiré cycle.

Looked like a Nike Swoosh at the top of the moiré... and just beating  
of the lines below that.

I would think there were techniques developed to combat this problem  
back when Kinney's ruled television recording... and that there are  
ones developed for use with more modern equipment.

Defocusing the image does reduce the moiré, but also reduces the  
sharpness.

I plan to play with changing the image size when I'm back in the  
office and set up again.

Any suggestions would be welcome.  I'd be happy to post results if  
anyone's interested. (Text and/or frame grabs.)

Thanks in advance...

Ted

Ted Langdell
Secretary

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