The Frequency of Sound

This program shows a signal generator,  oscilloscope and loudspeaker.  The signal generator can produce waves with various amplitudes and frequencies in the audio range. The oscilloscope shows the shape of these waves and has a scale with time-base control that allows you to measure the period and frequency of the waves. The loudspeaker can be switched on to convert the electrical waves into sound. There is also a harmonic generator that can add harmonics to the fundamental wave to show the effect on the shape of the sound and its quality.


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