DSP/Convolution
How is it used
Two signals are blended together, sample by sample.
Why is it used
Convolution in the time domain is multiplication in the frequency domain and vice versa. It allows us to better understand the relation between frequency and transient response.
![[1]](http://upload.wikimedia.org/wikipedia/commons/c/c6/Convolucion_Funcion_Pi.gif){kind=link}