[linrad] Re: Difficulties

[Roger Rehr <comcast.net; w3sz@xxxxxxxxxxxxxxxx>]

Hi Alberto,

Thanks for the note!

Check out the files on the webpage I referenced
http://www.nitehawk.com/w3sz/linradnoise.html

I think there may be longer versions there.

All I did was click the nb on and off, and so the nb audio is of course 
at slightly different times than the nb-off audio.  The webpage files 
are of substantially longer duration if I recall correctly;  I trimmed 
them down to make shorter excerpts for a presentation that is coming up.

All of this is from more than 4 years ago, and so it is possible that 
there may be files other than what I have on my webpage that I have 
forgotten about.

I think you and Leif have already played with 96 kHz sampling rate wav 
files from march 2006 that I recorded of the w3ccx beacon with rotor 
and other noise.  These 9 files range in size from 17 to 30 MB.  I also 
have S files of 27 and 71 MB the contents of which are respectively a 
very weak w3ccx beacon in noise and 144 MHz WSJT EME with some noise, 
respectively.  I saved the latter as a 'noise' file, but in a quick 
listen it really didn't seem very noisy today ;)

Let me know if you want any of those.

73,

W3SZ
Roger Rehr
http://www.nitehawk.com/w3sz


Quoting Alberto di Bene <dibene@xxxxxxx>:

> Roger Rehr wrote:
>
> > I have put short post-processing excerpts from these files on the 
> > web though they are not yet referenced in a webpage:
> >
> > 1.  without Linrad noise blanking
> > http://www.nitehawk.com/w3sz/no-nb.wav
>
>   Hi Roger,
>
>     do you have a longer excerpt of that file, let's say at least 15 
> seconds or more ?
> It is shorter than the Linrad processed one (3 sec vs 5 sec) and the 
> recovered audio does not match with that of the
> processed file, it was captured in a different time segment. I would 
> like to compare the Winrad processing vs Linrad.
>
> Thanks
>
> 73  Alberto  I2PHD
>
>
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Roger Rehr
W3SZ
http://www.nitehawk.com/w3sz


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