Knob acceleration for EQ

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alexg
Posts: 30
Joined: Sun Jul 24, 2011 1:33 pm
Location: France

Knob acceleration for EQ

Post by alexg » Sun Oct 16, 2011 2:53 am

The 3 band eq is really useful to add some color to the patches.
The way the knob are calibrated to edit the frequency is ok for the bass range (40hz-200hz) but is really too slow to go to the mid & hi frequency range quickly.
Could we have for freq 2 & 3 a calibration more based on step changes by 100hz or 500hz than 10hz ? And keep the freq 1 like that, that's the one which is mostly used for bass eq.

Another option, would be to make the acceleration much more fast when pressing shift or turning the big knob ?

John Bowen
Site Admin
Posts: 1818
Joined: Sat Apr 07, 2007 3:00 am

Re: Knob acceleration for EQ

Post by John Bowen » Sat Dec 03, 2011 11:40 pm

Don’t forget you can enter the frequencies of each range directly from the keypad.

jb

scope4live
Posts: 547
Joined: Tue Mar 04, 2008 4:19 pm
Location: Somewhere between 120 and 150bpm

Re: Knob acceleration for EQ

Post by scope4live » Tue Dec 20, 2011 7:30 pm

Thats what I do, twist and enter numerically. Much better than trying to set an exact number with a small knob.
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Christopher
Posts: 26
Joined: Fri Feb 10, 2012 4:22 am
Location: Germany

Re: Knob acceleration for EQ

Post by Christopher » Sat Jun 01, 2013 5:30 am

I have to agree with alexg that the EQs are indeed quite tedious to use. Yes, it's true that one could just enter the required frequency via the keypad, but in my opinion that is a somewhat flawed argument. The whole point about the SOLARIS as a hardware instrument is, that all those knobs and displays allow the user to approach sound design in a much more intuitive way than almost any other modern synth (or software for that matter). In case of the EQ, the SOLARIS falls a bit short of that aspiration.

Here is what's wrong in my opinion:
Our ears perceive frequency in an exponential fashion. One octave means double the frequency. However the EQ frequency on the SOLARIS maps linearly to the encoders. One turn always gives you the same amount of Hertz (which seems to be ca. 85Hz/turn). So if you deal with bass, a single turn can get you from 25 Hz to 110 Hz which makes a huge difference. But if you are trying to adjust the top end, you need almost 12 turns (or thereabouts) just to get from 10 kHz to 11 kHz. This is neither intuitive nor musical.

The solution I think is quite obvious: Just like other frequency related parameters (OSC Pitch, Filter Cutoff etc.), the encoders need to map to the EQ frequency exponentially rather than linearly. For instance there could be a '1 octave per turn' relationship.
I believe this would be a significant improvement.

John Bowen
Site Admin
Posts: 1818
Joined: Sat Apr 07, 2007 3:00 am

Re: Knob acceleration for EQ

Post by John Bowen » Sat Jun 01, 2013 12:26 pm

Christopher wrote:...The solution I think is quite obvious: Just like other frequency related parameters (OSC Pitch, Filter Cutoff etc.), the encoders need to map to the EQ frequency exponentially rather than linearly. For instance there could be a '1 octave per turn' relationship.
I believe this would be a significant improvement.
Yes, you are right.
I'll mention this to Julian as well....

Christopher
Posts: 26
Joined: Fri Feb 10, 2012 4:22 am
Location: Germany

Re: Knob acceleration for EQ

Post by Christopher » Sun Jun 02, 2013 12:45 pm

John Bowen wrote:Yes, you are right.
I'll mention this to Julian as well....
Great, thanks!

alexg
Posts: 30
Joined: Sun Jul 24, 2011 1:33 pm
Location: France

Re: Knob acceleration for EQ

Post by alexg » Thu Jun 06, 2013 5:44 am

Great !
Thanks Christopher & John !
And Julian !

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