Re: Discrete Fourier Transform (DFT) viewer and/or file format

[Richard Owlett <rowlett@cloud85.net>]

On 11/13/2017 12:06 AM, Dan Hitt wrote:
> On Sun, Nov 12, 2017 at 8:50 PM, Richard Owlett <rowlett@cloud85.net> wrote:
> > On 11/12/2017 09:45 PM, Dan Hitt wrote:
> > > I have some DFTs that i wish to inspect.  (Apparently DFT is a common
> > > acronym, but here i mean Discrete Fourier Transform.  And properly
> > > speaking it doesn't make sense to inspect a transform, but only to
> > > inspect transformed data, but i'm speaking colloquially.)
> > >
> > > DFTs are a common artifact in digital signal processing.  Lots of
> > > Debian packages are focused on FFTs (Fast Fourier Transforms, a way of
> > > computing DFTs).  Nevertheless i couldn't find either a standard file
> > > format to store one, or software specifically for viewing DFTs.
> > >
> > > Of course, lots of software can take data, then transform it, then
> > > display the transform that it created, but i would like something that
> > > can take an already created DFT in some standard format, then display
> > > it.
> > >
> > > TIA for any information or pointers or advice from anybody! :)
> > >
> > > dan
> >
> > A useful set of expertise is available at the USENET group at comp.dsp .
> > HTH
>
> Thanks Richard.
>
> Maybe you're exactly right, because if i can find any free software
> that's relevant to what i want, then i can probably get it to Debian.
> (If i have something specific, then can bring it up here in fact if i
> have trouble installing it.)

I know there are Ubuntu users on that list as one pointed me in that 
direction when I escaped Windows. That's how I found Debian ;}

> How do you normally access usenet?

As a former Netscape user, I find SeaMonkey comfortable 
[http://www.seamonkey-project.org/]

> In the old days (meaning, decades ago) i used to read usenet with rn.
>
> I suppose a modern equivalent would be google groups, but if i do get
> back in the usenet scene, i'm wondering if there's a more
> command-liney thing or just other alternatives to consider before
> walking down the google trail.

I avoid Google!
For a free news server I have used http://www.aioe.org/ .
I currently use a paid service, https://www.supernews.com/ .

> Anyhow, whether or not you have an answer about the best way to go to
> usenet, i appreciate the suggestion because that group (comp.dsp) is
> probably where i can find what i'm looking for if it exists at all.

The group is composed primarily of those using DSP on a daily basis.

> dan