Hi there,
I just had the same situation in reverse – PAL project looking for NTSC DVD to send to US. There is no way to do it properly within FCP4.5
(of course DVDSP4 will do it for MPEG2 apparently….once it arrives, but my client couldn’t wait!!)
I confess I was rather hesitant about the whole thing, but stumped up for the Nattress filter in any case and followed the instructions and managed to create a pair of identical DVDs in PAL and NTSC.
Image quality seems fine – my source material started on SVHS so it wasn’t the best testcase, but I didn’t notice any major difference between the PAL DVD and the NTSC DVD once the MPEG2 compressor had trampled all over them!!
Also rendering took a while, but I was on a slow machine.
P.S. I was running on FCP 3.0.
Hope this helps
Dave
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VLOBLIVE Very LOw Budget LIve Video for events
https://homepage.mac.com/davechalmers/iblog
tips, tricks, and lessons learned in doing live video on a shoestring.