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Old 11-20-2006, 02:36 AM
xerox xerox is offline
Join Date: Nov 2006
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Default Mbox2 --- buffer + Core Audio + Video playback ?


i bought an mbox2 a couple of days ago to work on school projects (video). i installed protools and it works, i can open sessions, do stuff, BUT, i have to set my buffer to 2048 to get a good track count/plugin use. now the big problem starts when i load in a video. just 1 verry small movie and the stereo soundfiles are to 'much' for my mac to handle... i have to put the buffer to 2048 to start playing the session, and even then it will stop after a couple of seconds.

i bought the mac last friday and formatted the hard drives to have a fresh start. the only program installed is protools. the mac is a bit 'old' but know it is capable of handeling medium video projects. its a:

G4 MDD Dual 1GHz
2 HD's (2X 120GB) --> one system drive and one media drive.
there where PCI cards in the mac, but i took them out to check protools.

i did everything listed on the DUC to get it to work, reinstalled protools (4X), reinstalled mac OS 10.4, ...

there is something strange about my problems. i think the are related to a digi coreaudio problem. when i open the manager it says 'unsupported hardware', but prolools works! in my system prefs i can choose the mbox2, i can listen to music with the mbox, ... BUT it freak out a verry simple video task...

i dont know what to do to get it to work. any help would be verry nice! i search all over the net and read some french forum with related problems, but no solution...

thanks alot in advance,

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Old 11-20-2006, 11:45 AM
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DigiTechSupt DigiTechSupt is offline
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Default Re: Mbox2 --- buffer + Core Audio + Video playback ?

What version of Pro Tools are you running?

Do you have your video file and audio files on the same drive? If so, you may want to try putting the video on a different drive and see if that helps.
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