Hi,
Not too sure have u resolve the problem for no recording sound. Anyway, i am facing same problem but manage to resolve it by the following method. Maybe u can try it, if you are still have the problem.
Go Start/Program/Accessories/Entertainment/Volume control
Select Option/Properties/Recording. Select 'CD Audio' from <show the following volume control>. Enable the recording from 'CD Audio'
Activate the WInfast RVR.
<Audio Recording Line> , select 'CD Audio'
<Master Stream>, select 'Video'
If you have further problem, maybe u can email at
colin22@hotmail.com