10.10 Musical Sounds

Forced Vibrations

Sound can be amplified by placing the vibrating object, such as a tuning fork or a string, in contact with a surface also able to vibrate at that frequency. Duration: 2:58.


Periodic variations in the loudness of two mismatched frequencies are called beats. Duration: 2:58.

Noise and Music

Noise and music are two flavors of sound, but how exactly are they different and how are they similar? Duration: 4:17.


This video is a review of the basics of how music works, including the ideas of pitch, notes, sharps, flats, overtones, scales, and keys. Duration: 6:28.