dave4jazz wrote: 
> I am currently setting-up a SBT and have installed the EDO applet to use
> the USB as an output to my Naim DAC-V1 USB. I have run the the
> BitPerfect tests but only the 24 bit files pass. The 16 bit files all
> report:
> 
> "Audio is not BitPerfect"
> "No test audio found"
> 
> I can play 44.1/16 ALAC files OK although I have found quite a number of
> files which played on my Duet no longer play on the Touch.
> 
> Any ideas?

All SB products output 24 bit, no matter what the input was. If you feed
them a 16 bit file it adds zeros on to the end. So in a strict sense it
is not bit perfect, but the audio data is exactly the same. (assuming
the volume is all the way up and you don't have replay gain turned on).

It's not just EDO, the S/PDIF outputs do the same thing, with or without
EDO.

As to files not playing, can you list some examples (file format, bit 
depth etc) the server version,  the  Touch firmware version and the file
type settings in the server. At one point there was a problem with one
of the  apple file types in some form of compression that caused a
problem. You could get around it by transcoding to a different  type in
the server (via the file type settings). I think it has been fixed in
the latest firmware versions.

John S.


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