Updated 08/13/04
Collected using a CBL and TI-82 calculator Sample size - 99 points Fundamental frequency: 252.5 Hz FFT output Frequencies (Hz) Amplitudes 252.5 0.673 560.6 0.965 813.1 0.924 1060.6 0.763 1373.7 0.301 1626.3 0.467 1873.7 0.184Plot of Trumpet playing Middle 'C'
Collected using a CBL and TI-83 calculator Sample size - 512 points Fundamental frequency: 252.5 Hz Frequencies (Hz) Amplitudes 252.5 4.62 500 13.86 757.6 10.2 1000 8.3 1252.5 2.29 1515.2 4.89 1757.6 2.24Plot of Trumpet playing Middle 'C'