How to compute impulse and frequency response of Flanger?

1. How do you calculate filter impulse response?
2. How do you find the frequency response?
3. Is frequency response and impulse response the same?

How do you calculate filter impulse response?

First, remember that the impulse response is literally "the response of a system to an impulse." If the input is an impulse (x[n]=δ[n]), then the output is the impulse response (y[n]=h[n]). which is sometimes written as a vector, like h[n]=[1,2] for n=0,1. so that the impulse response is defined in a recursive way.

How do you find the frequency response?

First we substitute s = jω into H(s) to obtain an expression of the frequency response. Note that the numerator and the denomator are both complex. To obtain the amplitude response, we take the absolute value of H(jω). To do this, we evaluate the magnitude of the numerator and the denominator separately.

Is frequency response and impulse response the same?

The relationship between the impulse response and the frequency response is one of the foundations of signal processing: A system's frequency response is the Fourier Transform of its impulse response.