24-bit Output from USB Sound Card?

Because my rig had no sound after waking from sleep I decided to switch from onboard Realtek ALC887 to an external USB device, specifically the ENMAB-8CM 7.1 channel Audio Box marketed under the brand name ENCORE. It uses one of the CMedia codecs, but I don't know which one. Under Windows drivers it can work in a variety of modes, including "studio quality" 24-bit 44,100 kHz sampling.

After installing I tested it, and it works perfectly -- waking and sleeping up is flawless now. However, I notice that OS X doesn't have an obvious way to change sampling and bit depth. Can some one guide me on this matter?

Gutz_Otoole said:

I notice that OS X doesn't have an obvious why to change sampling and bit depth.

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Applications/Utilities/Audio MIDI Setup/Audio Devices/Format

Thank you.