MQA Rendering not working with DSP volume control on NAD D3045

[Rugby (aka Daniel or Big Dan)]

@philr

However when using DSP volume control as soon as the volume is adjusted MQA is not rendered. Why is this?

DSP volume control is implemented by the endpoint, not in the Roon Core’s DSP Engine. See this link for full details.

DSP Volume Should Not Break MQA Rendering

Hello @David_Snyder, Our apologies, this slipped through the cracks. It is not possible to use DSP volume with MQA due to the architecture of RAAT. As shown in the Signal Path, DSP Volume control is handled on the RAAT “endpoint” instead of the Roon Core’s DSP engine. This can be confusing as the RAAT “endpoint” is often running on the same machine as the core, but they are actually two separate entities. If you check Activity Monitor on your Mac you’ll see the “RAATServer” process, this is w…