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Software used to interface a particular hardware device with an operating system

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Does my sound card support hardware volume control?

I would like to check whether one of my sound cards supports hardware volume control, and whether MacOSX has detected it. Under linux I would use: cat /proc/asound/Audio/usbmixer And I would get a …
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Does my sound card support hardware volume control?

The system_profiler data type corresponding to audio device information is SPAudioDataType, so you can run: system_profiler SPAudioDataType But this won't yield much information about hardware volu …
retrography's user avatar