It’s bad enough that a billion iOS devices all start chiming at me whenever I receive a notification. The OS X notification center plays that awful sound — Basso, whenever my reminders trigger.

Not sure what that sounds like? Open System Preferences > Sound > Sound Effects and click on it to hear. I hate it.

So I decided to override it. These steps aren’t for everyone. You’ll need to feel comfortable at the command line for one thing. So caveat hackteur.

1. Go to ~/Library/Sounds. This is not the same as the system /Library/Sounds folder. It is in your home folder.
2. Add your (short) sound and name it Basso.aiff. Use an AIFF format file, don’t just rename something else. I use QuickTime Pro, but there are lots of other AIFF-friendly apps out there.
3. Open Terminal.
4. Find the Notification Center process: ps -ax | grep -i notification
5. Kill it, e.g. killall NotificationCenter
6. Make sure the notification center restarts and is a new process: ps -ax | grep -i notification
7. Test. Create a new reminder for a minute or two in the future.

These steps enable you to replace that horrid Basso with more appealing audio, as you hear at about 14 seconds in:

Mac Hacks: Change your default Notification Center sound originally appeared on TUAW – The Unofficial Apple Weblog on Mon, 04 Mar 2013 16:30:00 EST. Please see our terms for use of feeds.

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