Facetime and external iSight - no sound input

Question

Hi,
I have a 2006 MacBook and a FireWire external iSight, it works fine with Skype and iChat.
With FaceTime, the video works fine but there is no way I can select the sound input to be from the iSight. I have only two options: Line-in or internal mic. My friends can hear me with the internal mic but it ***** compared to the external iSight mic (my laptop is closed). Again, with iChat and Skype it's fine. In the system preferences it's fine as well. Any idea?

Answer 1

Thanks a lot for all your testing.
That's my problem, it's not on the list. On Skype or other apps that lets you select your sound input, it's on the list and works.
No adaptater and I think I'm up to date:
iSight :
  Fabricant:          Apple Computer, Inc.
  Modèle:          0x8
  GUID:          0xA270004133360
  Vitesse maximale:          Jusqu’à 400 Mb/s
  Vitesse de connexion:          Jusqu’à 200 Mb/s
  Sous-unités:
iSight Unit :
  Version du logiciel de l’unité:          0x102
  Identifiant de l’unité:          0xA02D
iSight Unit :
  Version du logiciel de l’unité:          0x10
  Identifiant de l’unité:          0xA27
iSight Unit :
  Version du logiciel de l’unité:          0x11
  Identifiant de l’unité:          0xA27
iSight Unit :
  Version du logiciel de l’unité:          0x12
  Identifiant de l’unité:          0xA27
  Niveau de révision du produit:          1.0.3