Cubase (V5 and higher)
(Similar instructions for Nuendo and other DAWs might apply)
In Cubase, Select Project menu and Project Setup.
As shown in Cubase Project Setup window, make sure the Project Setup "Record File Type" is set to Broadcast Wave File as shown in image below left.
In Cubase, select the audio region(s) to Bounce (can include across multiple tracks).
Select Cubase Audio menu and choose Bounce Selection as shown below right.
Drag bounced files into Revoice Pro.