RPi3 Allo BOSS and SoX settings

[inthemoode]

The Oversampling Filter (OSF) bypass option at 384 kHz only applies to audio devices based on Burr Brown PCM5xxx DAC chips for example Allo Boss DAC. The topping device is based on ESS Sabre ES9018K2M DAC chip.

You can read about the OSF bypass specification in the chip data sheet. See Page 21.
http://www.ti.com/lit/ds/symlink/pcm5121.pdf

The question is whether resampling all the music at the host to a fixed rate (384K) is "better" than letting the PCM5xxx chip do its thing with native rates. I suppose that as with all audio tweaks there will be different opinions :-)

-Tim

Thanks for the info.

As for the resampling, I do believe that Sox does it better.  Resampling to 384/32 sounds a LOT better than 44.1/16 fed straight to the Topping D10.  The rpi, especially the rpi 4 ,  seems to have no trouble handing the processing either.   This is a great feature.