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> Logic + Imac, Strange behaviour
jobody
posté lun. 20 avril 2009, 14:40
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Hello,

I'm new to MacMusic so hello all!

I just upgraded to a 24inch imac, 2.66Ghz - 4gb ram. I am running logic 8 with a fireface 400. Everything is great apart from when I have a fair few tracks running (eg 12 audio and 12 software) the response time from clicking and dragging a fader or knob is really slow. I have to wait a few seconds for it to catch up with itself. This seems strange as there is no CPU overloading. I have checked activity monitor whilst logic is playing and there is loads of room, (70% of CPU remaining + over 2Gb of ram spare).

It is also a bit slow when copying and pasting parts of tracks.

I have the Audio driver Buffer set to 256 although changing this makes little or no difference. Also I have Universal Track mode on, Software monitoring on, Large Process Buffer Range.

Also my fireface is up to date.

I am baffled and would really appreciate some help!

Cheers.

Joe
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lepetitmartien
posté mer. 22 avril 2009, 14:39
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Either you record/read on a drive in firewire (it should work, it may not) with the interface chained or you use a USB2 drive.

USB2 is not the primary choice, but it'll work good enough hopefully.


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