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cocoa - Change Volume on Mac programmatically

in Technique[技术] by (71.8m points)

I'm looking for a not applescript way to change the system volume on Mac OS X programmatically. I just couldn't find a solution. Anyone any ideas?

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Take a look at this class:

https://github.com/InerziaSoft/ISSoundAdditions

It can change system volume and make use of CoreAudio API.

An example of usage should look like this:

[NSSound setSystemVolume:0.5]

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