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[ppataki]

Hello,

I have a miniDSP U-DAC8

If I use WASAPI JRiver tells me that the output format is 24-bit padded which I believe means that it is sending out 24-bit wrapped in 32-bit
If I use ASIO it tells me the output is 32-bit

My question is: in ASIO mode shall I switch on the "Device uses only most significant 24 bits (Lynx, etc)" or not?

Thank you in advance

[mojave]

Yes, you want to check "Device uses only most significant 24 bits" since the DAC chip is 24-bit. If you don't check "Device uses only . . . " then the DAC will truncate to 24-bit for output without any dithering.

The reason ASIO typically uses 32-bit output is that many pro audio devices that use ASIO have internal DSP. More processing is going to happen before the audio device dithers to 24-bit for output.

[ppataki]

Thank you very much!