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[mark_h]

I have an async USB DAC.  Does anybody know of any Windows tools that can confirm whether the USB connection is genuinely running in ASYNC mode when connected?

Cheers,

Mark

[jimmy neutron]

Check DEVICE MANAGER.

[mark_h]

How do I use Device Manager to confirm Async mode?

[Vincent Kars]

Try Thesycon USB Descriptor Dumper
It gives a description of all the flags including adaptive/async, sample rates supported, etc
http://thewelltemperedcomputer.com/SW/AudioTools/TroubleShooting.htm

[mark_h]

Thanks, Vincent - that's perfect!  Great site you've set up there.

Mark

[mojave]

Vincent, thanks for posting about the Thesycon USB Descriptor Dumper. I just check my new Steinberg UR824 last night and it uses asynchronous syncronization. I thought it did, but wanted to confirm. The UR824 uses the same clocking method (DICE 2 digital input chip with JET Jitter Elimination by TC Electronic) as the new Mytek 192 stereo which is also asynchronous.

[Vincent Kars]

Always good to check as the specs are often unclear.
Asynchronous DAC might imply a USB with asynchronous synchronization but might also be used for a DAC with asynchronous sample rate conversion.