Audionootje wrote: 
> 
> I've tested the DACs/DDC's below, but was surprised it could play an
> 88.2 Khz file via the Hegel or E-DAC since they are using a Tenor 7022L
> chipset that does not support 88.2Khz sample rate. On the Logitech
> Squeeze box it would keep silent when playing such a file via the
> external USB dac.

If you use the "hw:" device squeezelite will try to open the DAC at the
requested sample rate. If the device does not support the sample rate
natively, it will reopen using "plughw:", which will mean that alsa will
re-sample.

Audionootje wrote: 
> 
> 2. Where can I find which driver is being used? I would like to report
> this for the DAC's tested, but do not know where to find this
> information.
> 

It will be the "default" snd-usb-audio for the DAC's you listed.

Audionootje wrote: 
> 
> 3. If I remove the "16" from the alsa parameters "40::16:" and play a 24
> bit file, is this then played as 24bit or still converted to 16bit?
> 

Yes, if you play a 24 bit file, it will be sent to the DAC as a 24 bit
file (if the DAC supports it) and you don't force 16bit via alsa params,
":::16".


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