Hello, I want setup the VAC function in PowerSDR_mRX_PS_v3.2.29.0 In SETUP -> AUDIO -> VAC! can I select the follow driver. MME Windows Direct Sound HPSDR So I don't have any entrys in the INPUT combobox at MME or Windows direct sound. The box is clear... :-( What is my mistake, how install it right? Many thanks in advance! 73 de Benny, DH7RG