In order to Capture AVI and get audio sound, you must be running in Windows 
98 with Sound Blaster Creative 16 Bits Plug-N-Play otherwise, you are not able
to ahieve this features.

1) Go to Volume Control

2) Click OPTIONS

3) Go to PROPERTIES

4) Put a check on RECORDING under ADJUST VOLUME FOR.....

5) Put a check on LINE under SHOW THE FOLLOWING VOLUME CONTROLS....

6) Click OK button

7) Put a check on SELECT under LINE BALANCE. Volume must be all the way up.