The Compendium of Caraka 6.8.53

6.8.53

vātātpittātkaphādraktāt kāsavegāt sapīnasāt/
svarabhedo bhavedvātādrūkṣaḥ kṣāmaścalaḥ svaraḥ//

Hoarseness of voice may arise from vāta, from pitta, from kapha, from blood, from the urge of coughing, or with chronic rhinitis;
from vāta the voice is rough, weak, and unsteady;