1. Physics of the Piano By Xinyue Xiong 4/13/2015

3. Outline Pitch, tone and musical scale Physics in piano when making music The evolution of piano

4. PITCH, COLOR AND MUSICAL SCALE All is about the frequency of the sound.

5. Pitch

6. Pitch and Tone

7. Octave

8. Musical Scale Pythagoras

9. A4, fundamental frequency of 440 Hz 2 1/12 = 1.05946… Perfect 5 th, 2 7/12 = 1.4983…≈ 1.5 Musical Scale Equal Temperamemt

10. PHYSICS IN PIANO WHEN MAKING MUSIC Vibrating strings Hammers that hit the strings Soundboard producing sound

11. Vibrating Strings

13. Hammers that Hit the Strings

14. Hammers That Hit the Strings

16. Soundboard Producing Sound

17. THE EVOLUTION OF PIANO The history Steinway & Sons