wave_motion.gif (10915 bytes)

ELECTRONIC BEAT DEMONSTRATION








EQUIPMENT
    redball.gif (326 bytes) 2 Oscillators
    redball.gif (326 bytes) Stereo amplifier
    redball.gif (326 bytes) 2 Speakers
    redball.gif (326 bytes) Oscilloscope
    redball.gif (326 bytes) Microphone
    redball.gif (326 bytes) Amplifier for Microphone
  


NARRATIVE
            Beats are regular variations in intensity of sound due to two separate oscillators of different frequencies. In this demonstration we use 1000 Hz and ~1020 Hz. The number of beats per second is the difference between the two frequencies.