This ^^^^^^^^^ must explain the CC fader discrepancy Macker has been trying to point out recently.
From the looks of it, both ViPro and Synchron are currently squaring the results from CC7 and CC11 faders (and probably other controls) when applying attenuation to the amplitude, which means when the Volume control curve is set to flat (ie, 1.0), its not really flat. Its actually exponential with a simple square (amplitude^2).
Was it flat before 2010 and got changed to non flat somewhere? I've been trying to make sense out of the control curve adjusters in both Synchron and ViPro and can't make any sense out of it at all. In ViPro I'm not even sure what the numeric value means, from a range of 0.20 - 5.00, but what does this value mean?
with a setting of 1.0, showing a linear line...the actual amplitude response is not linear at all, its amplitude^2, which doesn't match the graphics.
Setting it to an extreme value like 0.20 might overcome the squaring a little bit, making it flatter, but near as I can tell its not possible to make an absolute flat line linear response with the CC controls in Synchron or VIPro due to some internal squaring that is taking place somewhere.