Ropiee on Allo USBridge Signature

[volpone]

@miklats

Up sampling to DSD 512 is not possible for me with that Allo device as it is based on Rasp3 and doesnt have the necessary processing power. I have no problem up sampling to DSD 128 or to any PCM rate with the AlloUSBbridge.

Really ?

I’m using AlloUSBridge (non SIG, “basic” version with DietPi) powered from ALLO Sparky SBC.
Resampling to DSD512 on HQPlayer (or ROON) and forwarding the stream to NAA (or RoonBridge) running on Allo USBridge: No issue, Sparky SBC load is “light”.

Only limits at DSD512 rate are sometimes “clicks and pops” with basic Sparky Ethernet controller so i’m using an USB3 / Ethernet adapter (external plug) and DSD512 streams are perfectly reliable.

I’m very surprised that the RPI3 Compute Module doesn’t have the necessary computing power to manage the stream. In addition, SIG version Ethernet controller with new ASIX drivers should be much more robust and work at DSD512 and even perhaps DSD1024 rates without the need for an adapter (dixit ALLO).

@Dirk_Beckers

The Allo is just an USB bridge to my DAC. The upsampling is done on HQPlayer on my MacBook Pro and then send by NAA to the Allo. So the power of a Rasp3 should be enough for just forwarding the stream?

Sure, i agree … In principle there should be no problem with computing power.