Digital biquad filter
= Digital biquad filter
{wiki=Digital_biquad_filter}
A digital biquad filter is a type of digital filter that implements a second-order linear filter equation. "Biquad" is short for "bi-quadratic," which refers to its mathematical representation involving two second-order terms. Digital biquad filters are commonly used in various applications such as audio processing, signal processing, and telecommunications because of their efficiency and flexibility.