| DC Offset and checking in [message #96045] |
Sun, 17 February 2008 09:31  |
![mike audet[3] is currently offline](/theme/PARIS_Forum_Template/images/offline.png "mike audet[3] is currently offline")
mike audet[3]
Messages: 88
Registered: June 2008
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Hi All,
I've been working on a mono-band version of the multiband compressor so that
we could use less dsp when there is just one offending band. This will be
great for compressing just the lows or as a deesser.
I've got the mono version working, and I should have the stereo version finished
soon. The mono version allows 4 instances, compared to two instances for
the full multi band.
I've been investigating the DC offset issues in the crossover. It seems
that whenever any PARIS eq is set to a narrow band and at a low frequency,
it generates some DC offset. I've tried putting various DC offset filters
before and after the EQ, but they don't seem to help.
If anyone out there is skilled in DSP math and has some ideas for how to
filter this better, I would love to hear from you. As of right now, I'm
out of ideas on how to fix this. Not that it is a huge big deal. I'm getting
.1% DC offset measurements by just tweaking the settings to minimize the
effects.
Anyway, I just thought I'd check in and let everyone know I'm not dead.
All the best,
Mike
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