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Well, if it works with the generic Vista usbaudio driver at 96kHz as claimed ...

... then it is indeed a "first".

I wonder if it will work in asynchronous mode (XP usbaudio.sys only supported adaptive and synchronous). If so, this will finally address concerns about USB jitter.

I've been trying to find out more details about what's different in the Vista usbaudio driver but most of the "public" information is old. Possibly Microsoft may reveal more at WinHEC 2007.

PS - Interestingly, Roland/Edirol recently released Vista compatible drivers for the StudioCanvas SD90, which I own. I suspect it's based on an proprietary asynchronous implementation (since the SD90 has fixed internal clocks that can only be changed by power toggling the device). However, the SD90 only supports 44.1 and 48kHz sampling rates (even though the ADC and DAC is capable of 96kHz), because it is a USB1 device.


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