Focus Fidelity Filter Designer

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The only high res photos of the CI board I can find show an ADSP-21488 400MHz processor which is pretty much the same part used here https://www.minidsp.com/products/minidsp...4-x-out-hd

I believe the CI board is more or less a Linux computer so it might be able to run a proper convolver separate from the DSP chips. In that case 65k taps should not be impossible. Would require some serious code re-writing!

Yes, the CI board is based on an NXP i.MX6 quad-core ARM Cortex-A9 processor, running at 1 GHz if I remember correctly. It almost certainly has the NEON SIMD and VFP v3 instruction set additions which might perhaps be used to accelerate DSP?