[Ardour-Users] IMPORTANT cross-fade changes in Ardour 3 svn

Ben Loftis ben at harrisonconsoles.com
Mon Apr 16 14:17:15 PDT 2012

doc said:

> ben, thanks for trying to help!
> this is exactly what i do not get - i can adjust the length of a second
> region (the right in the time line), the fade in, but how do we adjust
> the way how the first region (the left one in the time line) gets faded
> out, the length etc?

The topmost region's fade is a crossfade between it, and whatever is 
below it ( whether this is silence, another region, multiple regions, or 
a stack of regions).  When the topmost region's gain is fading in, 
you'll hear the "inverse" gain level applied to any audio underneath; so 
it is fading out during the same period.  The fade in and fade-out start 
and end at the same time, but this is no longer related to the region 
start/end points of the region in the lower layer.

The main benefits of the new implementation are:

1)  Allow crossfades to be moved in position and size regardless of the 
region overlap.  For example, in the old model you couldn't adjust the 
crossfade in/out lengths when a region was placed on top of, but 
enclosed by, a region underneath it.   In the new model you can do this 
and a lot more.

2)  Allow crossfades to continue to exist when one of the regions is 
momentarily moved/removed.

3)  Reduce the number of interactions between fades, crossfades, and 
region gain which often left users wondering what is supposed to happen.


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