[ProAudio] Digital crossover and IR correction options?
Bob Katz
bobkatz at digido.com
Tue Feb 9 05:57:50 PST 2021
I use Acourate and Acourate Convolver. On a separate standalone computer with an audio interface. A VST plugin is available for Acourate Convolver but I would not advise it. You would be adding a complex software solution in a vulnerable place in your software chain.
My solution includes comprehensive backup in case of failure.
There are some hardware-based embedded solutions but to my investigation all but one have somewhat inferior sound quality.
If you want ultimate sonic transparency and extreme reliability investigate the most expensive solution: Trinnov. I have not performed the shootout and It would take days to know if Trinnov is sonically as transparent as Acourate Convolver. AC is not an embedded solution and so MTBF is higher than an embedded solution.
Lesser solutions include a Mini DSP running Dirac live. I say “lesser” because I’ve tested these. They sound clean but compromised in low frequency response and not that transparent. I give mini dsp a B+ for sound and an A+ for reliability. I give Acourate Convolver an A+ for sound and an A- for reliability because it runs in windows and not in firmware. Trinnov is currently a big mystery to me and so I’m not qualified to comment.
My iPhone made me write this. Quotes only below this line. Nothing more to see here.
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> On Feb 8, 2021, at 1:29 AM, cheater cheater via ProAudio <proaudio at bach.pgm.com> wrote:
>
> Hi all,
> I am setting up monitoring in my home studio using a pair of PMC MB2
> XBD's, and I was wondering if anyone had suggestions for a reliable
> piece of kit that could do crossover, room correction using (short)
> impulse responses, basic routing (input selection, output selection
> for far/near field), and some sort of remote volume knob. My system
> comes with a pair of analog line level PMC/Bryston 10B(-derived)
> crossovers, but I'd like to configure my system differently. The way
> the Brystons work, the XBDs are basically used in stereo. Meanwhile,
> I'd like to make my bass (below ~80 Hz) mono, and use the two XBD
> cabinets for different parts of the spectrum. I don't need very high
> SPL, and due to a smaller room than those speakers are really meant
> for I'll have to put the cabs in creative places anyways to avoid room
> mode issues. So this means I'd like to be able to split the system
> into five bands, whereas the existing crossovers only run 3 bands. A
> high order EQ of some sorts to get rid of modes would be very useful
> as well. I guess given the amount of I/O, connectivity via Ethernet
> with AVB or AES51 towards an ADC and DAC would be a good idea.
>
> All I could really come up with is Windows + VST + an audio interface,
> but if anyone can suggest something that's hardware, I would really
> appreciate this. It seems like finding something that does convolution
> is the sticking point.
>
> I would also appreciate tips on what sort of filter type and order to
> use in the bass section cross over.
>
> My main application would be (learning) mastering of all kinds of music.
>
> Best regards,
> Damian
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