Am 30.10.2018 um 16:30 schrieb gm:
-Compress the peaks (without the surrounding regions) and noise into
smaller spectra.
(but how? - can you simply add those that fall into the same bins?)
snip...
I am curious about the spectrum compression part, would this work and
if not why not?
Thats a very fundamental DSP question and I am surprised no one wants to
answer.
Probably either no one did read the post or it was too stupid.
My laymans answer is YES OF COURSE, WHAT ARE YOU THINKING but what do I
know, I am all self tought
and even tought myself how to read and write (not kidding) so I am not sure.
The question, in other words is, can you simply add the simultanous
parameters(their "phasors," complex numbers)
of two close sinousoids together to get a meaningful description of that
instance in time?
And another question, to be filed under urban anectdote is:
I've change the resynth from FFT 1024 @ 22050 Hz to FFt 2048 @ 44.1 kHz
and it sounds so much better - why is that? I have no explanation
because the difference between 22 and 44 khz is so miniscule, doesn't
explain that.
I am quite happy with the freq domain resynth now tbh.
Its not "really good" but ok-ish, not bad, good enough for demonstration
purposes.
Even though there is a fundamental flaw with my product sketch:
an FFT slice is too long, time slice wise, to be usful in a tight sample
slicer.
so it's kind of sloppy in its reaction.
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