no echo cancellation on microphone
started envelope follower (doesn't work yet)
added notes to frequency and updated connect method
>= sample instead of >
cleaner looking alias
at least instead of greaterThan now()
recursive connect if the input is also a ToneNode
EqualsZero ToneNode
Threshold ToneNode
EqualsZero tests
dispose methods
license in JSDocs
added a version number
fixed deps in Multiply
threshold a signal between -1 and 1
moved bit crusher to effects
update thresh value
open and close a switch
negate an incoming signal
threshold and switch tests