tathāpi sā dhvanibhiḥ saṃskṛtir yasya puruṣasyādhiṣṭhāne karṇaśaṣkulyāṃ bhavati, sa eva śabdaṃ pratipadyate nānyaḥ /
That person alone, and no other, perceives the sound whose ear-drum [karṇaśaṣkulī], [acting] as the substratum of [the auditory organ], is affected by the modification produced by sounds.