Physics 288/489: THE PHYSICS OF MUSIC   Fall, 2004

 

Lecture 5 (9/21)

 

Superposition of sound waves and linearity. 'Beat' notes and complex waveforms.  Coupling into and out of resonators (instruments with particular normal modes) to produce sound. 

 

Reading: Hall 4.5, 8.1-8.2

 

Demonstrations:

    3C55.7    Sound waves on an oscilloscope

    3C50.u1  Microphone & Sound Forge (spectrum analyzer)

   

Music Played:

    Alberto Ginastera, Piano Sonata No. 2

    Igor Stravinsky, Petrouchka

    Johannes Brahms, Symphony No. 2, 4th movement

    Dmitri Shostakovich, Symphony No. 7, 1st movement