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How to optimize audio Performance on a Mac?

This article shows some tuning tricks for Mac to run audio applications even better. Following easy rules should be followed. Please keep in mind: "Never touch a running system!" So, don’t change anything if you don’t have to.


Turn off System Sleep.

In the Energy Saver System Preferences Panel, select the Sleep tab, and set the option titled Put the computer to sleep when its inactive for to Never.

Turn off Hard Disk Sleep.
In the same System Preferences Panel, uncheck the option titled Put the hard disk(s) to sleep when possible.

Turn off AirPort.
In the upper-right of the screen, next to the clock, click the AirPort icon, and select Turn AirPort Off. The airport automatically scans the airwaves for available networks. This takes up some of your system resources, and can sometimes hurt performance. Its easy to turn back on when you’re not recording.

Turn off Bluetooth.
In the Bluetooth Preferences Panel, uncheck On, and uncheck Discoverable. Its easy to turn back on when youíre not recording.

Turn off Time Machine.
If you use Time Machine to back up your computer (which is a great idea), turn it off when you’re recording. Your Mac may pick some inconvenient times to start a backup. Select the Time Machine System Preferences Panel, set Time Machine to OFF. Its easy to turn back on when you’re not recording.

Turn off unnecessary startup items.
In the Accounts System Preferences Panel, under Login Items, uncheck any items you don’t need open everytime your system boots.

Quit any unnecessary applications.
When recording, make sure to exit out of any programs unrelated to your current project. This will free up the most memory possible for your recording apps. You can monitor how much of your computer’s resources any program is using with the Activity Monitor Utility (located in Applications > Utilities).
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