I did in fact mean DNxHD where in the few shows I've used it, have had excellent results. Granted I've never done side by side and our editorial facilities are all Avid. But the signals just "felt" cleaner which I know is not a quantitative measurement or quality.
Sounds like I should test a bit. Thanks for your insight. Best, Chris On Mar 30, 2013, at 10:43 AM, chris <[email protected]> wrote: > bit confused, did you mean DNxHD or DPX? > > because i had my share of gamma shift problems with DNxHD (plus block > artifacts, as mentioned) ... and recording DPX is not an option with alexa as > far as i know. > > so it seems to me that recording ProRes in Arri Log C is still the best > choice, and avoids the gamma shift issues since you can just read them in > linear and use a separate colorspace conversion. (well, with the new Alexa XT > more people will record arriraw i suppose). > > ++ chris > > > On 3/30/13 at 6:22 PM, [email protected] (Chris Noellert) wrote: > >> Exactly what I was going to mention. At this stage DNX strikes me as being >> a much better alternative, especially when considering all the strange gamma >> idiocy one runs into with QuickTime. >> Best, >> Chris >> >> Sent from my iPhone >> >> On Mar 30, 2013, at 8:04 AM, chris <[email protected]> wrote: >> >>> On 3/29/13 at 5:37 PM, (Martin Winkler) wrote: >>>> Prores444 isn't lossless. >>>> I'm not sure what makes people think that it was in the >> first place. >>> >>> i don't think that many people think it is, but it's a >> *very* good tradeoff of quality vs file size with the conveniences (and >> annoyances) of a quicktime file. >>> >>> and while it's not lossless, the degradation i've seen so >> far are virtually invisible and nowhere near the stuff in the current case. >>> >>> but how about contacting arri directly about the >> artifacts? >>> >>> i'd assume they'll have a clue what caused it, and if they >> haven't i'm sure they'd be very interested to find out. >>> >>> ++ chris >>> >>> >>> ps: as a side note, i did some tests recently with >> DNxHD185X for a greenscreen shoot, both in hardware (blackmagic shuttle) >> capture and in software conversions, and had very visible block artifacts in >> both when pulling the matte and despill. ProRes422 on the other hand was >> very usable. >>> > > _______________________________________________ > Nuke-users mailing list > [email protected], http://forums.thefoundry.co.uk/ > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users _______________________________________________ Nuke-users mailing list [email protected], http://forums.thefoundry.co.uk/ http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users
