Mac OS X Tuning Tips for Audio Processing


This newsletter describes simple settings which may be carried out to enhance Mac overall performance with realtime audio packages, in particular in overall performance situations.

Note: If you have hassle getting your NI audio interface to paintings, find a troubleshooting manual linked within the Associated Articles section below.

Audio Settings

Maximum audio packages offer a buffer length or audio latency putting in addition to a pattern fee of their preferences. The buffer length determines how a lot time is available to the laptop to finish all calculations for continuous audio playback. Depending on the processing electricity of your laptop and the quantity of calculations needed to your utility, we advise a buffer length of 256 or 512 samples at a sample charge of 44100 Hz (on Mac OS X 10.nine or higher, we suggest 48000 Hz as a substitute). A buffer size of 256 samples is a great start line. Lower this cost to 128 samples if there’s a noticeable lag between your actions and the audio, as an instance while playing virtual devices stay with a keyboard. Increase to 512 samples if you experience dropouts inside the audio playback.

imac1Energy Supply

Usually play along with your Macbook related to the electricity Deliver, in particular whilst the usage of an outside audio interface and / or MIDI controller. To ensure your Macbook is properly grounded, use the extension cable of the energy Deliver.


Due to the fact Most Mac pc fashions provide USB ports, you may require an outside USB hub to amplify the wide variety of outside USB gadgets getting used concurrently. Please remember the following while which include a USB hub for your hardware setup:

Use simplest USB hubs that draw power from their personal outside energy Supply. They’re regarded inside the marketplace as powered USB hubs.
If you use an outside USB audio interface, do not join it to the USB hub. Audio interfaces require the biggest quantity of power and computation, for that reason they need to be related at once to an unfastened USB port. You could join all different outside gadgets to the USB hub into some other unfastened USB port.
Other packages

Close all packages besides the audio software program you’re the usage of. This applies to any software no longer wanted to your audio work, such as net browsers, electronic mail customers and background processes.

And Bluetooth

Community activity can probably intervene together with your audio playback, thus we suggest to show / Airport off. To try this, click on at the image within the computing device header and pick Turnd off within the menu (see screenshot under).
Wifi off The same applies to Bluetooth connections. Transfer off Bluetooth via clicking at the Bluetooth image inside the computing device header and choose To turn Bluetooth off in the menu (see screenshot below).
Bluetooth off

Electricity Saver Settings

The Electricity Saver on Mac offers numerous alternatives to optimize the power intake of your Mac. For audio applications, those ought to be deactivated. Visit Gadget preferences > Electricity Saver. Flow the sliders pc sleep and Show sleep to By no means and untick the checkbox Put the hard disk(s) to sleep while feasible (see screenshot under).
Power Saver

Sleep Mode

If you are commonly the use of the Sleep Mode (e.G. last the lid of your Macbook) as opposed to powering down the computer, we advocate to do a fresh boot of the System previous to playing with your audio packages.

Pix Card Switching

If you own a Macbook Seasoned that has both Intel HD Pics in addition to a devoted Portraits card, we suggest exchanging the Pics mode to higher performance earlier than beginning your music software program. You can do this within the Energy Saver section of the Mac OS System preferences, by using deactivating the automated Graphics switching (see screenshot underneath).

Carol P. Middleton
Student. Alcohol ninja. Entrepreneur. Professional travel enthusiast. Zombie fan. Practiced in the art of donating rocking horses for the underprivileged. Crossed the country researching hula hoops in Deltona, FL. Won several awards for supervising the production of etch-a-sketches in Nigeria. Uniquely-equipped for investing in bathtub gin in the financial sector. Spent a year building g.i. joes worldwide. Earned praise for deploying childrens books in Africa.