Instructions
1) Click your Start button.
2) In the search bar, type "remote desktop connection", but do not press Enter. In the list of search results, click Remote Desktop Connection.
3) Click Show Options.
4) Under the Local Resources tab, click Settings.
5) Choose the radio buttons next to Play on this computer and Record from this computer. Then, click OK.
Outcome
The remote computer will use your computer's microphone and speakers for audio.