The problem may be due to having your audio card set to output higher than 48000 Hz. To change this in Vista:
Try running the game again. You should now have sound in the game.
1. Go into the Control Panel and click "Sound".
2. Highlight your Speakers, and click "Properties".
3. Go to the Advanced tab and bring down the "Default Format" drop down menu.
4. Select either 16-bit 48000 Hz, or 24-bit 48000 Hz and save the changes.
2. Highlight your Speakers, and click "Properties".
3. Go to the Advanced tab and bring down the "Default Format" drop down menu.
4. Select either 16-bit 48000 Hz, or 24-bit 48000 Hz and save the changes.
Try running the game again. You should now have sound in the game.