Charak Samhita
अत्युग्रशब्दश्रवणाच्छ्रवणात् सर्वशो न च। शब्दानां चातिहीनानां भवन्ति श्रवणाज्जडाः ॥११८॥
[Asatmya indriyartha samyoga (improper use of senses)] The auditory sense faculty is impaired by the hearing of excessively loud or low sound (even by not hearing excessively loud sound) or by the absolute non – utilization of this sense faculty.
english translation
atyugrazabdazravaNAcchravaNAt sarvazo na ca। zabdAnAM cAtihInAnAM bhavanti zravaNAjjaDAH ॥118॥
hk transliteration by Sanscript