Please note that while C64 utilises PAL colour encoding scheme, it is far from being CCIR norm compliant and does not produce interlaced video, which is what your capturing device most probably expects. -- Sent from mobile device. Please have understanding. > On 7 Jun 2020, at 16:51, Michiel Boland <michiel_at_boland.org> wrote: > > Hi. I noticed that if you capture analog C64 video with the comb filter turned off there is quite a difference in color saturation and/or hue between even and odd lines. > > I thought that the colors were generated by adding a weighted sum of sine and cosine signals, but inverting one of the inputs (which is done in odd lines in PAL systems) should not have any effect of the overall amplitute, unless I am very much mistaken. > > Has any more research been done into this? > > Cheers > Michiel > > FWIW I have taken some measurements here: > http://www.michiel.boland.org/c64_colors.html >Received on 2020-06-07 18:00:03
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