I think you unknowingly paired the speaking style, tone patterns, levels and spacing etc which isn’t actually part of their voice, but combining it with the voi

I think you unknowingly paired the speaking style, tone patterns, levels and spacing etc which isn’t actually part of their voice, but combining it with the voice print you get a clear picture. If someone cloned my voice and start speaking differently from me, different levels(soft loud) and have an accent, nobody would recognize it was me.