Compute group delay of an audio file from STFT

1. How do you calculate group delay of a filter?
2. How do you calculate phase delay and group delay?
3. What is audio group delay?
4. What is RF group delay?

How do you calculate group delay of a filter?

M(ω)•e^jΦ(ω) = H(ω) = the DTFT of h(n) –d[Φ(ω)]/dω = group delay of the filter.

How do you calculate phase delay and group delay?

Use the grpdelay function to compute group delay of a filter. For example, verify that, for a linear-phase FIR filter, the group delay is one-half the filter order. The phase delay of a filter is defined as the negative of the phase divided by the frequency: τ p ( ω ) = - θ ( ω ) ω .

What is audio group delay?

In layman's terms Group Delay is the amount of time it takes for a signal to pass through a circuit. Oftentimes group delay is measured and plotted versus frequency, as some frequencies may take longer to pass through a circuit than others due to the reactive nature of certain components.

What is RF group delay?

Editorial Team - everything RF

Group delay is a measurement of the time taken by the modulated signal to get through the system. Group Delay is measured in seconds. For an ideal filter, the phase will be linear and the group delay would be constant.