Sadly no. I currently don't have a Netflix subscription. But the URLs for audio and video are mostly the same. It's a trial and error thing to pick the right URL. You can check your download with MediaInfo, to see what you've downloaded.
I have an example URL from an encrypted video here, but the audio URLs looks the same (IP address changes):
Code:
http://198.38.114.145/?o=AQHSgh7TXAm7mj4eW5ZHoix-Qqd6FxdPjneP7kee9oXSg-KuPfXU6wxsF41amJzoV71ber5rSfRikgBW9dD5eYvD3sTvUhcckP17tKX0YE4Eycu2eJjQDp__jPVLA9Y&v=3&e=1445830154&t=qBSrBfC7w2Osdr8eOrP7xfi5QyE