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Xsim-3D development... I could use some math help
Xsim-3D development... I could use some math help
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Old 2nd February 2018, 01:44 PM   #91
nc535 is offline nc535
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Congratulations!

This is going to be great for using multiple drivers to shape/enhance directivity. I wonder if what you did with the woofers on small syns was the genesis for it?

I see your circuit blocks easily replicate IIR filters but I wonder what to do for FIR?

Jack
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Old 2nd February 2018, 05:46 PM   #92
bwaslo is offline bwaslo  United States
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Xsim-3D development... I could use some math help
I hope to add a PEQ circuit element when I get to it. For FIR, there's probably nothing I can do, an FIR design program is kind of out of scope (and there are already some pretty good ones out there). You could generate a curve with RePhase and load that as the
"Acoustic Effect" file for the drivers.
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Old 3rd February 2018, 11:11 AM   #93
b_force is offline b_force
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@ bwaslo
I send you a PM with some ideas
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Old 13th February 2018, 03:18 AM   #94
bwaslo is offline bwaslo  United States
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Xsim-3D development... I could use some math help
Default It's coming along

Still a ways to go, but for anyone who wants to play a little before --

Index of /Xsim/BetaTest

And on a related note -- people ask for active and dsp filter functions, but a complication is that DSP filters have an inherent delay so if you mix dsp filters with analog or passive filters (on different drivers) you need to deal with that. Does anyone have any references on the inherent delay (delay when just passing a signal through the box, without filtering) of dsp PEQ boxes? I have some MiniDSP boxes and will be getting a sample of a new Dayton Audio device so I can measure them, but I'd like to be able to include that parameter without measuring every blasted box or board in the world!
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