0
20k
40k
60k
80k
100k
120k
140k
160k
−4
−3
−2
−1
0
1
2
3
4
Grid
Signal (
w = e
⊙
c
)
Carrier (
c
)
Envelope (
e
)
Positive Frontier
Negative Frontier
brass
i
Amplitude
plotly-logomark