[hpsdr] Demo / Simulation Mode?

[VaibhaV Sharma]

Sorry, but I am still confused here.

I need a running instance of PowerSDR / OpenHPSDR with simulated data so that I can demonstrate serial control commands to do the following -

* Change VFO frequency
* Change filter bandwidth
* Start / Stop Radio
* Etc.

How can I do this with a recorded I/Q file being played back?

Here is what I have tried till now -
* Recorded my own wav file in PowerSDR recording UI
* Played it back but it switches the pan adapter and waterfall display to as if it is transmitting (it does not transmit though)
* I can hear the recorded audio back but cannot scroll around the band during playback

I also downloaded some pre-recorded I/Q wav files from the web but when I play them back, the waterfall and pan adapter display is all weird. The entire visible spectrum is filled up with incoming transmissions. I can hear the audio fine but the display does not look right.

Any suggestions?

Thanks,

— 
VaibhaV Sharma
W7VAI



On Sep 7, 2014, at 5:41 AM, Helmut Oeller <dc6ny at gmx.de> wrote:

> ***** High Performance Software Defined Radio Discussion List *****
> 
> Hi Ken,
> 
> Of course you can use PowerSDR together at least with the RX path of a
> hw-setup (e.g. Mercury) for playback, whenever you want. But you need a
> OpenHPSDR setup to start PowerSDR. There is some third party software in the
> web to do the job only with the PC sound/video facilities. See SDR-Radio.com
> and others.
> 
> Enjoy the rest of the weekend, Indian Summer here in Old Germany.
> 
> 73, Helmut, DC6NY
> 
> -----Ursprüngliche Nachricht-----
> Von: Hpsdr [mailto:hpsdr-bounces at lists.openhpsdr.org] Im Auftrag von Ken
> N9VV (Win-7/64)
> Gesendet: Sonntag, 7. September 2014 14:22
> An: hpsdr at lists.openhpsdr.org
> Betreff: Re: [hpsdr] Demo / Simulation Mode?
> 
> ***** High Performance Software Defined Radio Discussion List *****
> 
> Hi Helmut,
> I am running PowerSDR v3.2.19 and I just tried the RECORD function. 
> After selecting I/Q for the Rx, I was immediately able to record a
> (large) I/Q file and then play it back as if it were real-time Rx.
> 
> Is it necessary to find a playback program on the Web? The internal Rec/Play
> seems to work FB.
> 
> Happy Sunday evening,
> 73 de Ken N9VV
> 
> On 9/7/2014 4:11 AM, Helmut Oeller wrote:
>> ***** High Performance Software Defined Radio Discussion List *****
>> 
>> Hi,
>> 
>> when checking 'Receiver Input I/Q', it's possible to record the I/Q 
>> samples as wav-file under PowerSDR and make a copy for other apps. The 
>> band section corresponding with the selected sampling rate can be 
>> played back on your laptop with appropriate free third party software. 
>> You have to google a bit, hi.
>> 
>> 73, Helmut, DC6NY
>> 
>> -----Ursprüngliche Nachricht-----
>> Von: Hpsdr [mailto:hpsdr-bounces at lists.openhpsdr.org] Im Auftrag von 
>> VaibhaV Sharma
>> Gesendet: Sonntag, 7. September 2014 08:56
>> An: hpsdr at lists.openhpsdr.org
>> Betreff: [hpsdr] Demo / Simulation Mode?
>> 
>> ***** High Performance Software Defined Radio Discussion List *****
>> 
>> Hello,
>> I am preparing for my talk at Pacificon in October and won’t have the 
>> luxury of a functional Anan-100D for the demonstration. What I will 
>> have is a laptop with PowerSDR running on it.
>> 
>> Is there a Demo / Simulation mode in powerSDR OpenHPSDR that would let 
>> me replay previously recorded I/Q files so that the radio controls 
>> look and behave the same as if it was on the air?
>> 
>> I will be primarily running a demo of serial control integration so 
>> the audio does not matter but I need to have the VFO and other basic 
>> control functional.
>> 
>> Any help is appreciated.
>> 
>> Thanks,
>> 
>> —
>> VaibhaV Sharma
>> W7VAI
>> 
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