This sound effect can be found on the Freesound website. It was created by user "TripleDStudios8".
Sound Effect Description
A confused huh, like what's that. This appears in a Star Wars film on YouTube:
http://www.youtube.com/watch?v=YxTAHYNzOjg . I would appreciate it if you could mention my youtube channel* if you use this, but If ya can't just link freesound.
*http://www.youtube.com/user/TripleDStudios8
Clean, Full Length and Unedited Link to the Sound Effect
Used In
Audio Samples