So it's not the main frequency that you're that you're speaking with. It's going to be the the harmonics. Because obviously different vowel sounds, you know, you... er gonna have an octave and a, <breathe/> half octave and a half and er whatever above. <breathe/> And so then, these little speak, part frrr, these little peaks and troughs cause all sorts of problems. And it, it... yeah.