When capturing video with no sound the video is smooth. When capturing with sound the video breaks but the sound is smooth.

Gateway 7215 GX
WinTV USB2
S-Video and audio cord going from source to microphone input on laptop, not to the WinTV USB2 box.
Software: WinDVD Creator 2
Audio source used with software is system hardware, not the WinTV USB2. When choosing the USB option everything freezes when trying to capture. Just viewing in that mode everything is fine.