You searched for: “heterophonias
heterophonia (s) (noun), heterophonias (pl)
1. The change of voice at puberty: When Tim turned 14, he had a condition of heterophonia because his voice sounded a bit broken and lower.
2. Any abnormality in the voice sounds: When Susan had a case of laryngitis,, she couldn't talk at all because she had very cracked voice, she she only whispered when necessary.