I have: MSB Reference + DD and Renderer and I2s HDMI inputs, Antipodes K50 streamer.
Reading about many people here on the MSB Forum who appreciate PGGB files, I installed the program to do some tests.
A problem emerged: the oversampled files at 706/768 all sound distorted on I2S and perfect on Renderer. Even with Roon’s oversampling it’s the same: if I send it to the Renderer sound OK, if I send it to I2S it distorts sound…
The same problem also occurs with MinimServer + MPD + JPLAY. I haven’t tried Squeeze + Squeeze
So it’s not a problem of PGGB (which I didn’t like anyway!!) …
Since the Renderer is connected to the Antipodes server and I2S is connected to the digital outputs of the Antipodes Player, could it be a technical limitation of the K50’s digital outputs?
The Renderer is the only MSB input module that is compatible with 32 Bit, every other module is 24 Bit, so if your PGGB files are 32 Bit this is the reason.
Hi Mark: I’m aware of the 24/32 bit argument so with PGGB I created both 24 and 32 bit files: I can guarantee that they are correct (verified with JRiver).
Roon has two different outputs: one directly to the Renderer with a 32-bit setting, the second to the I2S with a 24-bit setting: it is precisely the frequency of 706/768 that is not good !!
I asked the same question to MSB: according to Jonathan it is the K50 that on the I2S digital output does not send the 706/768 frequencies correctly… unfortunately on the DAC I don’t have a USB input to be able to check another output (the SPDIF is limited to 192).