Ayurveda mentioned Vak (speech) or Vakindriya (organ of speech).
Voice disorders  is explained as Swara bheda in Ayurveda.
Swara means voice, and bheda means split, modified, deformed voice, hoarseness or loss of voice.
The doshas, vata, pitta, kapha get violated due to the above reasons and cause swarabheda by destroying the voice.  Ayurvedic approach towards speech production is reflected as Vaka pravrutti which is an important function of vata dosha . The indriya (sense organ) responsible for speech is Vagindriya (tongue) that acts passively after receiving command from the Shira (brain) .
Voice disorder in Ayurveda is treated with Panchakarma treatment including Marsha Nasya (the little finger is dipped into a small amount of medicated or plain ghee or oil and inserted into the nostrils ), also different type of Nasal drops. Gandusha  ( pulling oil) along with Ayurveda procedures and protocols that reduce, suppress, and eliminate disease symptoms.
Depends of voice problem, Ayurveda provide many of herbal medicine to treat Voice disorders –  Amrutottara kashayam, Dashamoola kashayam, Drakshayadi kashayam, Varanadi kashayam, Aristams, Vasa aristam, Pippalyasavam, Jirakadhaya aristam – Medicines are sorted according to the type of disease, dosha and course of the disease. The Ayurvedic doctor prescribes the most recommended medicines and dosages individually for each case.