this post was submitted on 16 Jun 2024
291 points (98.7% liked)

Asklemmy

43916 readers
1132 users here now

A loosely moderated place to ask open-ended questions

Search asklemmy 🔍

If your post meets the following criteria, it's welcome here!

  1. Open-ended question
  2. Not offensive: at this point, we do not have the bandwidth to moderate overtly political discussions. Assume best intent and be excellent to each other.
  3. Not regarding using or support for Lemmy: context, see the list of support communities and tools for finding communities below
  4. Not ad nauseam inducing: please make sure it is a question that would be new to most members
  5. An actual topic of discussion

Looking for support?

Looking for a community?

~Icon~ ~by~ ~@Double_A@discuss.tchncs.de~

founded 5 years ago
MODERATORS
you are viewing a single comment's thread
view the rest of the comments
[–] Hugin@lemmy.world 2 points 5 months ago (2 children)

Frequency folding is the term used in DSP no need for quotes. The Nyquist frequency is commonly referred to as the folding frequency.

And yes frequencies above the Nyquist folding frequency alias into lower frequencies. A simple low pass filter prevents this however.

Properly filtered digital sampling produced a more accurate reproduction of the frequency range with less distortion then an analog signal.

[–] intensely_human@lemm.ee 1 points 5 months ago

I don’t disagree that there’s noise in analog signals too, limiting their information capacity. But that’s coming from the limitations of our physical implementations’ quality, no?

[–] intensely_human@lemm.ee 1 points 5 months ago

Also I used quotes to refer to your words, not to throw shade at a term’s validity. I use quote marks to quote.

If by “x” you mean …

Doesn’t mean the same thing as just randomly surrounding it with quotes in normal use means.