Anyone who’s been enveloped in the velvety vocal phrasing of jazz legend Ella Fitzgerald, the operatic oscillations of “King of the High C’s” Luciano Pavarotti, or the melismatic melodies of Mariah ...
In our recent feature on tremolo, we described how a valve can be configured to create a low-frequency oscillator (LFO) that can modulate amplitude. You can’t actually hear the oscillator itself, ...