FlexASIO and WMD-KS Sample Rate Selection Disappears


Thread Starter
Sep 22, 2022
I am using REW for audio measurements using a Topping E50 DAC and a E1DA Cosmos ADC. I need to use WMD-KS backend as it appears that the other backends sometimes manipulate the data. However, when I select this backend, the sample rate selection drop-down becomes empty in REW. Any idea how to resolve this? If it helps, even using the other backends, sometimes the sample rate does not change on one or both products. I have also found that if I switch to another backend, change the sample rate, and then switch back to WMD-KS, it maintains the correct sample rate.

John Mulcahy

REW Author
Apr 3, 2017
FlexASIO provides the list of valid sample rates, so this may be a question for Etienne. The early access build provides direct support for WASAPI exclusive as an alternative.
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