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Baq EQ example

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Baq EQ example

Postby regressor18 » Fri Apr 01, 2022 7:15 pm

Attached is a Baq EQ I did that closely emulates my Dangerous EQ in my rack. I used Plugin Doctor to very closely match my shelves to the hardware.

I would love for the community to take a look at this fsm and assist in optimizing. Under the hood, its very basic. 1 LS and 1 HS, both are using Martin's ZDF. Martin, if you are reading this THANK YOU for all of your work with Flowstone. I will say the HS at higher frequencies is experiencing Nyquist warping.

Lastly I did use an older beta of the 64 bit version to build this.

Matt
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BaxEQ example.fsm
BaxEQ
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Re: Baq EQ example

Postby martinvicanek » Sun Apr 03, 2022 9:19 am

regressor18 wrote:I will say the HS at higher frequencies is experiencing Nyquist warping.

Confirmed.
You could use my newer set of matched filters from here:
viewtopic.php?f=2&t=89976#p225010
These are supposed to handle cutoffs even beyond Nyquist. The DSP part is optimized ASM.
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Re: Baq EQ example

Postby regressor18 » Sun Apr 03, 2022 2:31 pm

Hey Martin,

Thank you for the reply!

When I use those filters, the filter crashes with a gain value of 0. Any idea what im doing wrong?
Attachments
BaxEQ example HS issue.fsm
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Re: Baq EQ example

Postby regressor18 » Sun Apr 03, 2022 3:03 pm

I think i resolved the issue. Can someone take a look.
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BaxEQ example HS issue-Resolved.fsm
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Re: Baq EQ example

Postby martinvicanek » Sun Apr 03, 2022 6:22 pm

regressor18 wrote:the filter crashes with a gain value of 0. Any idea what im doing wrong?
My bad, thank you for pointing this out. Fixed in version IVb in the original post.

regressor18 wrote:I think i resolved the issue.
Not for Q = 1 and above, unfortunately. Please use my fixed version IVb.
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Re: Baq EQ example

Postby regressor18 » Sun Apr 03, 2022 11:17 pm

Thanks Martin!
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Re: Baq EQ example

Postby regressor18 » Mon Apr 04, 2022 2:15 am

Hey Martin,

The HS is very unstable. If you move the gain knob back and forth it crashes the filter. Any suggestions?
Attachments
BaxEQ example HS issue-unstable.fsm
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Re: Baq EQ example

Postby martinvicanek » Mon Apr 04, 2022 6:47 pm

No problems here with FS 3.0.8.1 or FS alpha. If you are using FS beta, that might be the problem.
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