The grit that you hear is caused by an interruption in the vocal tract creating irregular vibrations. These irregularities are heard as noise or distortion. Underneath that noise however there can remain some normal vibration form the vocal cords which is what gives pitch and melody to the growly voice.
Beside this, what does sound distortion sound like?
People can usually recognize audible distortion, although it manifests in different ways. Distortion ranges from subtle, barely perceptible coloration, to faint “fuzz,” to a nasty buzzing on certain notes or frequencies—it can be so bad as to make it sound like something is really broken.
Keeping this in consideration, what is the effect of distortion?
The effects alter the instrument sound by clipping the signal (pushing it past its maximum, which shears off the peaks and troughs of the signal waves), adding sustain and harmonic and inharmonic overtones and leading to a compressed sound that is often described as “warm” and “dirty”, depending on the type and …