Increase default volume to 27 bits. Add volume control to host app.
Removing the need to have an ignore count in the i2s.
Using a simpler glitch detection scheme.

Now has a fixed offset off the peak and allows for a few bins to be above that level due to harmonics.
Improve log message for test script.
Add more control to signal generator.

Now has ability to control total number of glitches, start and period.
Increase the AVB signal threshold.
Rest of the signal generator configuration changes.
Use an averaging scheme to detect noise.
Update host controller for improved signal generator.