crossfade
[code]
Crossfade applies a linear crossfrade between two signals with a certain percentage alpha. When alpha is 0, it 100% the top signal. When alpha is 1, the signal is 100% the second signal.
Crossfade also has the alias "cf"
# Signal 1
440 0.3 sine
# Signal 2
880 0.3 sine
# LFO modulating crossfade. 0 = signal 1, 1 = signal 2
0.2 1 sine 0 1 biscale
crossfade