Can you identify any qualitative differences between the three traces?

Low pitch High pitch Unknown pitch Audio Scope Audio Scope Audio Scope Audio Data Audio Data Audio Data Difference Difference 12.362976 ms 49 960228 ms 0.0035667419 m.u. Difference 0.00040898-845 a.u. Slope 17.750671 ms -0.000283909 a.u. / ms 0.00072747469 au. 0.0000081862809 3.w / ms Jope 0.000040982941 au. / ms Amplitude 0:00 E Frequency = 1/T= 1/0.004996=200Hz Frequency = 1/T= 1/0.001256=796Hz Frequency = 1/T= 1/0.001775=563 Hz Can you identify any qualitative differences between the three traces