Autocorrelation

The autocorrelation of a signal \(x\) is defined by : \[r(t) = \int_{\mathbf R} x(\tau - t) y(\tau) d\tau\] for \( t \in \mathbf{R} \).

Select a signal and drag the red dot to compute its autocorrelation.

Cello
Saxophone
Clarinet
Signal :