SynthMaker

Host Synced LFO

Archive · 2009 5 old posts

From the original SynthMaker forum (2004–2014), with its members’ names and dates.

bearuhcooduh ·

Quick Question (Host/MIDI sync)

Instead of having my LFO effect every midi input, i want it to oscilate continously while i play a MIDI pattern.

For example: - I have a host synced LFO that affects volume and was set to oscillate in a simple alternating max/min pattern (on off on off) in 4/4 time. - I have a sequence of midi input in my host

Normally, in order to keep the volume LFO in time (on off on off) and unlayered i would have to time the input with the LFO. What i want to be able to do is play a series of notes without having to do this or messing up tho LFO.

Also I am trying to find a way to extend the max neg and pos values of the lfo

Help, Please!

exonerate ·

So basically what your after is a free running LFO?

That is just a quick example how a free running LFO is done, obviously to actually sync it to the host will require more work.

You'll need this module as well . You have to connect that to the sync input on the oscillators. This resets the oscillator in time with the host to ensure the oscillator doesn't go out of tune, which it would other wise due to floating point inaccuracies.

The sync2Host module is also part of my developer toolkit. I don't usually share modules openly on the forum from the kit but it's already been posted somewhere so...

Cheers 😉

Exo

bearuhcooduh ·

Hey thanks!

I'm at skewl now, but when i get home i'll definitely check this out. It's probably exactly what i need.

bearuhcooduh ·

hey thanks for the help. i managed to make an lfo with a switch to select between free running and midi triggered. What i don't understand is the host sync module. do i connect it to the osc or the lfo. They are both oscillators so i thought i'd ask you to clarify that. also, what do i use for input to this module. i tried using different float values, but it didn't seem to change anything

exonerate ·

bearuhcooduh wrote: hey thanks for the help. i managed to make an lfo with a switch to select between free running and midi triggered. What i don't understand is the host sync module. do i connect it to the osc or the lfo. They are both oscillators so i thought i'd ask you to clarify that. also, what do i use for input to this module. i tried using different float values, but it didn't seem to change anything

Connect it to the sync input on your lfo ( you may need to go inside and connect it manually to the oscillators), if you leave a free running lfo running it will start to go out of tune. The sync to host module basically resets the phase of the lfo at time intervals synchronous with the host (per beat for example). This stops it going out of tune and has no other effect.

Cheers 😉

Exo

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