Yes, it is possible to turn off the audible indicator within Dentiray Capture! The indicator must be turned off by extension.
To turn off audible indicators in Dentiray Capture:
1) Open Dentiray Capture and select "Advanced User Tools" --> "Preferences" at the bottom-left corner of the screen. You'll want to enter AKRON as the password when asked.
2) On the left side, select "Imaging Extensions," then from the list displayed, pick the option that corresponds to your sensor:
3) Within the sensor's settings, click "Miscellaneous Settings" on the left, and uncheck "Play audible indicators":
4) Click the "OK" out of each of the windows to confirm.