I'm currently having an issue with my Mac running Mountain Lion making the "lockOpening.aif" and "lockClosing.aif" sounds apparently at random. I'm looking for a way to narrow down what program or setting is causing them to be played and what action is occurring when it happens. I've seen elsewhere that there was a program that could be used to determine what sound is being played when, and what program is calling the sound, does anyone know of a way to do this?

  • I have noticed that 1Password makes lock noises when the screensaver turns on, but this might not be related to your issue. You might be able to use lsof to figure out what program is using those sound files.
    – jtbandes
    May 27 '13 at 19:58

This would show aif files that are being opened:

sudo opensnoop | grep -F .aif

Or see if any application has those files inside its bundle:

find /Applications -name \*.aif 

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