[hpsdr] cuSDR and Multiple Receivers

[kb3omm]

Surround or Binaural would be great, but a simpler means might be to
emulate the "select" and "unselect" audio functionality of a Public Safety
radio dispatch console. Where they typically have many radio channels (or
talk groups) and the one that is selected is the primary audio that has the
dispatchers focus, and all the others are unselected with their audio mixed
together and fed to a separate speaker. Each channel has its own unselect
audio level control so the individual levels can be balanced.

In our case, when the receiver window that has focus, the volume is
increased and sent, say to the left speaker, and all the other receiver
windows, are reduced in volume and are mixed and sent to the right speaker.

73, Kevin kb3omm




On Mon, Feb 25, 2013 at 9:28 PM, Ken N9VV <n9vv at wowway.com> wrote:

> ***** High Performance Software Defined Radio Discussion List *****
>
> Hi Rick,
> Check out my video showing cuSDR64 with the Wideband + 20M + 17M + 15M +
> 10Mhz WWV. Any one of the displayed receiver panadapters can be the central
> enlarged display with simple clicks of our mouse. Using the "BinAural"
> simulator in PowerSDR/OpenHPSDR will certainly give you the "3d sound
> effect" for the main panadapter.
>
> Now persuade Hermann to add all the complexity of routing audio to
> multiple channels that don't exist in WinXP ;-)  It might possibly be done
> with "Jack" in Linux <g>
>
> http://www.screencast.com/t/**CrwOtsoqYI<http://www.screencast.com/t/CrwOtsoqYI>
>
> GL 73 de Ken N9VV
> --
> http://groups.yahoo.com/group/**apache-labs/<http://groups.yahoo.com/group/apache-labs/>
> http://www.n9vv.com/
> Skype ID "Apache-Labs"
> [-GMT -5]
>
>
> On 2/25/2013 8:14 PM, Gloria Koch wrote:
>
>> ***** High Performance Software Defined Radio Discussion List *****
>>
>>
>>
>> I think it's great what Hermann has done with the cuSDR program.
>>
>> The multiple receivers is amazing.
>>
>> I'm wondering though, the multiplicity of it is constrained to the visual.
>> I realize that listening to 7 receivers simultaneously may be a bit much.
>>
>> But what if you could pan the receiver in not just a stereo field, but in
>> a
>> 3D surround sound environment?
>>
>> You may choose to have them not only put into the 3D field but set the
>> volume
>> level low perhaps until something of interest perks your curiosity.
>>
>> I beleive something like this is currently done with PowerSDR but only
>> in the stereo
>> field and only two receivers.
>>
>> Maybe more is too much for a PC to handle since 7 Demodulators would have
>> to be running simultaneously?
>>
>> I think with PowerSDR two receivers is great. But with HPSDR and 7
>> receivers,
>> just wondering...?
>>
>> -Rick / N1GP
>>
>>
>>
>>
>>
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