how much of source 1 goes into the result; controls the propotion ofsource 2 as well, which is 100 % minus this value.
Delay Source 2
delays the source 2
Notes
Smooth change in the mixratio can be used to create blending from one sample
to another.
Due to the fact that the mixing is done in 80-bit resolution too, there is
no need to have a 'clipping' mixmode. Try it and you'll see.