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

Started by Richard Owlett November 13, 2017
Dan Hitt posted the following on the Debian user list. 
[https://lists.debian.org/debian-user/2017/11/msg00444.html].
I suggested he ask on comp.dsp .

> 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 >