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Music listening/mastering EQ

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Re: Music listening/mastering EQ

Postby k brown » Mon Aug 17, 2020 9:16 am

Will do - one can do things in the analog realm that are not wise in digital.
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Re: Music listening/mastering EQ

Postby lalalandsynth » Mon Aug 17, 2020 11:34 am

I could make a GUI like that if needed :)
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Re: Music listening/mastering EQ

Postby k brown » Mon Aug 17, 2020 4:20 pm

Well, I figured a direct imitation of the hardware knobs would be impractical because the markings are so tiny and fine. But something more silvery and modern would be a nice alternative.
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Re: Music listening/mastering EQ

Postby k brown » Mon Aug 17, 2020 7:54 pm

Here it is incorporating Martin's 'Cellino'. Also with a bit better GUI. I added Q switches for the two highest and lowest bands to switch between 0.5 and 0.75.
Viola_mv2.fsm
(1.98 MiB) Downloaded 83 times

Thanks SO much Dr. Philter! 8-)
Last edited by k brown on Tue Aug 18, 2020 10:51 pm, edited 5 times in total.
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Re: Music listening/mastering EQ

Postby lalalandsynth » Tue Aug 18, 2020 2:35 am

Very nice , one thing with the gui , the 12 and 6 db are still marked as 20 .
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Re: Music listening/mastering EQ

Postby k brown » Tue Aug 18, 2020 4:29 am

Yeah, I know - it was just too much work to make number labels incremented for those. I justify this to myself (I'm easy to fool) by the fact that the Fletcher-Munson curves make it sound like there's that much boost/cut at those frequencies. Rather like actual weather temperatures vs 'feels like'. :geek: :roll:

This is not a 'technical/scientific' EQ - one just sets it for the sound you like; the numbers are just decoration.

Lets' see - what other cheezy excuse can I think of . . .
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Re: Music listening/mastering EQ

Postby martinvicanek » Tue Aug 18, 2020 3:08 pm

Could somebody please buy the hardware and compare against the FS clone? I am curious whether we could sell the software product also for 6 k€. :mrgreen:
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Re: Music listening/mastering EQ

Postby k brown » Tue Aug 18, 2020 8:10 pm

Ha !!

Some further tweaks. To make lala happy, redid the legending to accurately reflect the actual boost/cut in dB. Made slight adjustments to a couple of Fr and boost/cut settings to more accurately reflect those of the Audio Palette.

There were two different Cello EQ products - the original Audio Palette, and a later, less expensive more consumer-oriented unit called the Palette Preamplifier. This had the usual features one would expect in a home HiFi preamp: standard InOut jacks, input selector switch, tape monitor facilities, etc. I realized Martin had used the specs for this unit, rather than the Audio Palette. The AP had the bottom band at 15 Hz, with boost/cut of 29dB, rather than 20 Hz @ +/- 20 dB; 120 Hz band was +/- 14.5 dB, rather than 12, and top band was +/- 24 dB, rather than 20. Though the AP's top band was @ 25 kHz, rather than 20, at Martin's suggestion, I left it at 20 because we don't want the kids playing too close to Mr. Nyquist's backyard!

Controls also given the correct number of steps.

Added a control that always surprised me was not included in the Palette. One of the few commercial products that had it was the Apt Holman preamp - a L-R / L+R control for adjusting the strength of the center of the soundstage. Many classical recordings were/are done with rediculously wide mic spacing, resulting in the dreaded 'hole-in-the-middle'. Conversely, many pop recordings have too much of the mix panned close to the center resulting in a narrow, congested soundstage. This control allows adjusting to personal taste. I've marked it simply 'Center +/-'. It's also great for 'pushing back' a centered pop vocal that's mixed too loud, or bringing forward one that's mixed too low.

Replaced schematic in previous post.
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