On Sep 19, 2017, at 13:53, Lorne Tyndale <[email protected]> wrote:

> You will need a "decoder" computer at the receiving end.  It could be
> done with something like a PI.  Onboard sound on the PI is poor, but
> I've read that some folks have managed to get decent quality audio out
> of the HDMI port on the PI using an HDMI --> Audio converter/extractor
> box.  Otherwise there's the add-on audio cards for the PI that have been
> reported to work well.

The best audio interface for the Pi by far that I’ve found thus far is the 
HiFiBerry PRO:

        https://www.hifiberry.com/shop/boards/hifiberry-dac-pro-xlr/ 
<https://www.hifiberry.com/shop/boards/hifiberry-dac-pro-xlr/>

I have one of these, and it’s pretty much as advertised.  Balanced audio, with 
headroom out to around +16 dBM.  It ‘just works’ with my RedSleeve setups.  
What I have *not* done (yet) is take it out to a broadcast transmitter site to 
see how it stands up to a high RF environment.  I suspect that you’d want a 
decent metal case in that situation.

Cheers!


|----------------------------------------------------------------------|
| Frederick F. Gleason, Jr. |              Chief Developer             |
|                           |              Paravel Systems             |
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|          A room without books is like a body without a soul.         |
|                                         -- Cicero                    |
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