Baloran Forum

The River => Discussion (English preferably) => Topic started by: Firechild on February 23, 2019, 07:11:35 AM

Title: DLFO - Only positive voltage?
Post by: Firechild on February 23, 2019, 07:11:35 AM
What a excellent sounding machine! And I haven´t yet activated the chorus :)
However, one thing is bothering me. It seems that the DLFO is only positive voltage modulation which makes it not useful for pitch vibrato as you will raise the basic core pitch of the note the more vibrato you add. You can of course compensate with lowering the Master Tune. With the analog LFO the pitch will correctly vibrate over and under the initial pitch but with the DLFO the vibrato will be only "above" the initial pitch.
Is it only me....?  :)

Title: Re: DLFO - Only positive voltage?
Post by: Baloran on February 23, 2019, 10:02:36 AM
Thanks Firechild ;)
Yes for Only Positive DLFO. It was a voluntary choice because of the ramps, squares and other forms of original waves .... But finally, after reflection and use, having the symmetrical for the sinus and the triangle would be a real plus. Unfortunately, it's hardware, a new firmware can not do anything. All that remains is the trick of shifting the oscillator to make a pseudo symmetry ...
Title: Re: DLFO - Only positive voltage?
Post by: Firechild on February 23, 2019, 04:13:11 PM
I see. A fine tuning parameter in the Layer setup will solve my problem, then you can just compensate the unwanted raised pitch introduced with the DLFO with this "fine tuning" parameter in the Layer Setup.
Title: Re: DLFO - Only positive voltage?
Post by: Firechild on February 23, 2019, 05:39:04 PM
I have done a compensation table when modulating pitch with DLFO to get symmetric pitch around the core pitch.
DLFO 2 Master Tune -1
DLFO 3 Master Tune -2
DLFO 4 Master Tune -3
DLFO 5 Master Tune -4
DLFO 6 Master Tune -5
DLFO 7 Master Tune -6
DFLFO ≥ 8 Master Tune = -(DFLO - 2)

DLFO values equal and bigger than 8, compensate Master Tune with -DLFO value minus 2.
Exampel:  DFLO 22 will be Master Tune -20
This compensation works for Triangle, Sinus and Square to keep the basic note pitch centered and vibrating around (over and under) the initial pitch.

Title: Re: DLFO - Only positive voltage?
Post by: Baloran on March 01, 2019, 12:42:25 AM
Version 1.61 online ;)
Title: Re: DLFO - Only positive voltage?
Post by: coyote14 on March 02, 2019, 09:53:09 AM
Aaaaaahhhhhhh...What a good idea to center DLFO Waveforms.  ;D ;D ;D
Title: Re: DLFO - Only positive voltage?
Post by: SugarFree on March 29, 2019, 04:03:21 AM
It would also make sense to have a nagative-only voltage for DLFO:AR_DOWN. Otherwise, it starts and ends above the note, when modulating the oscillators. What do you think?

SIN and TRI with symmetrical waveforms work great.