From the original SynthMaker forum (2004–2014), with its members’ names and dates.
lesobrod ·
Hi everybody!
A few days ago some good trick was created on forum - LFO&drag knob.
modulating a bitmap knob (page down).
LFO should be symm ( in -lim..+lim range). Than knob value is modulated by adding LFO
to the last drag&drop position. Picture are changing accordingly. Clipping are included.
It works perfect in SM, EXE and VST; I did for my friend some "noise ambient" mad VST
(for a bottle of wine))) with this knob. And he said me: "Rendering crash down!".
Yeah.. 😕 I cheked this out on Reaper - rendering sound (wav, flac,..) is awful.
Please note:
- Without rendering (as VST) sound OK;
- Reaper render perfect all other SM VST (with any mad noizy LFO but without this knob).
Now I'm trying to render example on Cubase; maybe someone try it on FL?!
And all the monsters of forum welcome! This is a most disappointing problem with SM for me 😊
infuzion ·
Though you do limit the range to [-1..+1], it seems that the values will always be pegged at either -1 or +1 due to the addition of LFO + Knob inside the knob. This causes interpolation distortion (forget the exact term). Never peg an audio signal at -1 or +1, keep it a bit smaller.
That is a guess, you might have volumes wrong elsewhere.
lesobrod ·
I've found it (o___O).
The problem was in Green lines. Reaper and Cubase render wrong signals with Mono2Float or another
Green lines:
In a real-time playing all OK; but for correct rendering Audio thread should include only Stream primitives.
So I have to make one thread for LFO-Knob GUI and another thread for audio modulation.
Is it the same for FL??
infuzion ·
Looking at this a 2nd time:
You should never never translate audio to float to audio again; once a singnal goes audio, you will never get the same resolution by audio to float to audio, plus eat up too much CPU. Once audio, keep audio. Plus, if you expect a knob to change while audio is going (eg volume), then you need the (new) de-zipper.
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