Alto Clarinet - Comparison

Updated 1/30/97

Collected using a CBL and TI-82 calculator

Sample size - 99 points

Fundamental frequency: 212 Hz

FFT output

Frequencies (Hz)	Amplitudes
  313.1			  0.0272
  500			  0.0168
  813.1    		  0.2035
 1373.7			  0.0849
 1873.7			  0.0970

 Plot of Alto Clarinet playing Middle 'C'



Collected using a CBL and TI-83 calculator

Sample size - 512 points

Fundamental frequency: 261 Hz

Frequencies (Hz)        Amplitudes
  252.5			  36.4103
  515.2                   26.2821
  757.6                    1.5385
 1000                      0.5128
 1500			   0.3846

 Plot of Alto Clarinet playing Middle 'C'



Collected using a ULI and the Sound program from Vernier

Sample size - over 2000 points

Fundamental frequency: 268 Hz

Frequencies (Hz)        Amplitudes
   96			  8141
  282.8		         18589.7
  469.7                   5384.6
  661.6      		   769.2
  752.5			  1602.6

 Plot of Alto Clarinet playing Middle 'C'