Chapter 2: Echo (Convolution)

This demo shows the convolution of an input audio-signal with a Finite Impulse Response (FIR) Filter \(h[k]=\delta[k]+A\delta[k-\kappa]\) with attenuation \(A\) and delay \(\kappa\). Thus, the output signal is calculated as \(y[k] = x[k]+A\cdot x[k-\kappa]\).

plot
Input \(x[k]\)
Output \(y[k]\)