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bogaudio / BogaudioModules

Modules for VCV Rack.
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Make more accurate analyzer? #15

Closed squinkylabs closed 5 years ago

squinkylabs commented 6 years ago

Would it be possible to:

squinkylabs commented 6 years ago

Or a simple one - ability to only show the high frequencies (just like there is the ability now to zoom in on the low frequencies. Often I want to look for aliasing or high frequency rolloff. It would be great to see the range fro 1k..20k, for example.

mdemanett commented 6 years ago

(Hey, sorry, I was away:) All interesting ideas, though no idea when I might get around to it.

With larger windows, you're looking for finer frequency resolution (smaller buckets), right? Like, how fine? What alternate window functions would you like to see? (It's a Hanning, now.)

Probably goes without saying, but now that Rack has Bridge, you can pipe audio into a DAW and use whatever analyzers/scopes/visualizers are in there.

squinkylabs commented 6 years ago

First of all, most of my experience with analyzers is from an old freeware program called "Cool Edit", which still lives on a "Adobe Audition".

Anyway, yeah, finer resolution. how fine? gee, I don't know. I kind of remember using 64k samples, but doesn't need to be that high. I also found kaiser windows to be more pleasant. I know it's all a trade off (and Kaisers are not nearly as easy to code!). What I'd really like is be be able to see what's going on with a module as I turn the knobs. I want to be able to see (better) what it aliasing, and what is harmonics.

Was just using your analyzer a moment ago to test a new VCO I'm working on ;-)

mdemanett commented 5 years ago

Managed to achieve most of this with the last release -- surely too late for your oscillator project -- but anyway thanks again for the good ideas.

squinkylabs commented 5 years ago

Wow - this is great! Very clever how you added the new features to the UI without needing to change too much. I actually am working on a VCO right now ;-)