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Thanks for the pointers... I've run black in the chad-2021.01.01 branch and handled a few flake8 complaints (and will probably gradually handle more) Yeah, core.py should be split up. As...

Haven't found any bugs yet, but it seriously points out clunky expressions which I'll slowly deal with ;)

Yeah that's a bit nuts. Should add a hard-cap to ld/vhs-decode. Anything >60dB is probably wrong, I think a perfect LD disk with overly-active deemphasis (i.e. trading sharpness for SNR)...

Pushing to rev7, since it's a little bit involved - basically it needs to detect that it's seeing the other standard, then the program will all but restart with the...

I don't think it's currently tracking the .efm output that closely - ld-decode does the prefiltering and then pipes it off to the efm decoder, which is then piped into...

That takes up _a lot_ more disk space, so it's probably best to keep it an option IMO. I can see where it would be very useful for stacking though!

Considering efm_pll is currently 40msps but doesn't need to be, it's a [i]lot[/i] of disk space. However, it's not done as a background task as it probably should be, so...

One thought I've just had is to output 1135px of 4xfsc and drop the last .0064 or so pixels, nobody will miss a tiny bit of the back porch, right?...

I'll probably implement this as a command line option soon. One interesting note is that if output is out of sync with the colour burst, it's possible for yellow to...

Interesting idea, but I'm a bit confused by the implementation. It looks like it's replacing one of the two deemphasis coefficients rather than setting up a second one.