Sending a .3ga file

[narmathabala]

I plan to use the Automated Speech Recognition through the web. Can I send a .3ga file extension? Is this recognized by the server

[narmathabala]

So, for this I convert my .3ga file into base64 encoded string and I pass it to the API. I get a reply back from the server
{"result":"success","text":null,"confidence":"0 "}

The data I send in is in the attach