[hpsdr] Balanced audio on future boards

[Scott Traurig]

You might also take a look at this paper on VAC, ASIO, computer sound
interfaces and DAW software:

http://anan-100d.wdfiles.com/local--files/home%3Ahome/ASIO_DAW_setup.pdf

73!

Scott/w-u-2-o


On Tue, Dec 1, 2015 at 1:44 PM, H.A.Meijer <meijer.ha at home.nl> wrote:

> ***** High Performance Software Defined Radio Discussion List *****
>
>
> Hi Matt,
>
> One can also think about completely deleting the Hardware audio in- and
> output and doing it at the pc/soft- and hardware.
> For now you can do it using VAC and a sound-card.
>
> Look for example at an ESI maya44
> <http://www.esi-audio.com/products/maya44/>, it has symmetric in and
> outputs, even an microphone input with phantom +48V,
> and very low latency (ASIO) and not to expensive .
> I have tested it on my sdr-pc and it works very good (it even solved my
> audio distortions during zooming and panning the panadaptor, h.i.)
>
> Maybe in the future, (not knowing if possible?) HP-Powersdr can skip the
> need for VAC and approach the sound-card directly(?).
>
> 73'
>  Bert PA2XHF
>
>
>
> Op 1-12-2015 om 17:52 schreef Matthew J Wolf:
>
> ***** High Performance Software Defined Radio Discussion List *****
>
> Has there been any thought of including balanced audio input and output on
> the future HPSDR boards?
>
> One would think it would be as easy as using a different codec.  A codec
> that provides both single ended and balanced audio.
>
> Having unpopulated headers on the board for the balanced audio would be
> fine. I admit that there would be a minority that would want balanced
> audio.
>
> I have looked at the schematics and the PCBs for Mercury, Pennylane, and
> Hermes. There is no "easy" way to add balanced audio.
>
> -Matt, N4MTT
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