STEPS TO REPRODUCE
1. Launch iClone 6
2. Apply a random G5 character (e.g. Chuck)
3. Navigate to Menu > Animation > Create Script > Wave File, load a 24 bit wave file to iClone
4. Launch Timeline, check the Viseme track of the Character

ACTUAL RESULT
Failed to load 24 bit wave files in Create Script / Audio File

EXPECTED RESULT
24 bit wave files can be applied to iClone 6 correctly