Try checking the ‘Sound’ setting on your computer/TV or mobile device. Is it set to ‘Mute’? If yes, turn ‘Mute’ off.
Try clearing your browser/Application cache and reload the site/Application. If this doesn’t work, clear your cookies and delete your Temporary Internet Files, then, lower your Internet Explorer privacy settings.
Try opening any other video site and check if the audio is working fine.
Lastly if none of the above steps work, please contact us through our Contact Us section on our Website or App, or write to us directly at support@altt.co.in