Figure 27: Measuring Cadence
The results are 329ms of ringing and 332 of silence, we will round them both to 330, hence the Cadence
duration is c=330/330.
Step 4: Measuring Busy Tone Frequencies
1. On Audacity tool bar, go to Analyze → Plot Spectrum.
2. Point the mouse cursor on the highest signal to show the Peak Value as shown in the below figure
example:
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