Karaoke Wave Demonstration

 

This demonstration is about sound waves, wavelength, tone, tamber, frequency, and wave interference.

                 

Used in Lab:

This item is used in 213 lab as an oscilloscope-training experiment.

Equipment:

  • LoggerPro box and cables                     Location: Demo Shelf W
  • LoggerPro microphone                          Location: Demo Shelf W
  • Tuning forks (optional)                           Location: Demo Shelf L

Setup Instructions:

  • Plug in LoggerPro box to computer and to electrical socket.
  • Plug in Microphone to LoggerPro box
  • Adjust collection time under Experiment-Data Collection. You need .03 seconds to examine the shape of the wave, and 3 seconds to examine beats from interference.
  • Start singing into the mic before you hit collect.
  • Examine what different pitches look like, same pitches but different vowels, etc.

Apparatus Notes:

You can also do this with the oscilloscope, as long as you don't mind the small screen. See Jeanie for oscilloscope ready microphones.


Safety Information: None.
JHA