Astanga Hrudaya
मेघतोयौघनिर्घोषवीणापणववेणुजान् । शृणोत्यन्यांश्च यः शब्दानसतो न सतोऽपि वा ॥ ३४ ॥
Fatal signs based on contrasting and abnormal sensory perceptions: He, who hears the sounds of the cloud, sea waves, the vina, panava and venu (flute) all (musical instruments) or such others even though it (sound) is not present; or does not hear the sound which is actually present; who does not hear the dhukdhuk sound when he blocks his ears with his fingers
english translation
meghatoyaughanirghoSavINApaNavaveNujAn । zRNotyanyAMzca yaH zabdAnasato na sato'pi vA ॥ 34 ॥
hk transliteration by Sanscript