How can I download an audio playing via a dynamic captcha Links :- https://services.gst.gov.in/services/searchtp

For GST type : "A" Then a captcha pops up. Now this is a random captcha generator. It means the source mentioned in the tag can't be used directly as it would change each time one requests object from it.

How can i capture audio from such a captcha.

Tools :- Selenium, Python and Javascript.