| # | Title | Image | Description | Video |
| 1 | Beat Forks |
Beats
|
Strike the tuning forks with the rubber mallet and observe the beats on the oscilloscope. Vary the beat frequency by adjusting the position of the small masses on the one tuning fork. Decrease the time scale to look the wave form within the envelope. | Video |
| 2 | Beats on Scope |
Beats
|
Two nearly equal signals are the input into an oscilloscope using tuning forks or two function generators and a speaker. Compare the oscilloscope to what you hear. Decrease the time scale to look at the individual waves within the envelope. Vary the beat frequency and look at the changes. |
