SynthMaker

midi delay in vst

Archive · 2007 6 old posts

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

apollo ·

Hi can anyone help , im trying out synthmaker after using SE. It seems to be just wha im looking for , BUT , ive made this small vst to reroute midi notes ( eg using a non General midi VST drum machine and re-rouing the midi notes say note 35 to note 36 etc.) but at different asio latency settings im getting different random patterns .So a straight 16th Hihat rythm is all over the place when i apply the vst .At around 10ms to 13ms latency it isnt too bad but it can vary (( Im using Tracktion 2 and have tried i with different vst drum machines..)) yet synths n samplers ive built all seem fine.. must be the way im doin it Help PS Have already bought SE , will definatly be buying SM

OOOOOOOOOOOOps

apollo ·

Mmm tried a empty midi in / midi out vst this also gives erratic timing out ?....

Pls any thoughts , its drivin me nuts . 😠 At an ASIO latency of around 10ms it seems ok. a 80ms its all over the place . Yet a drum module made with synthmaker works ok ? im guessing its to do with the midi out to another vst ... anyway early morning not the best time to think haha

ik_ik_ik ·

Hey Apollo, I'm not sure about the timing issues just from a look at the schematic but you'll have to make sure you also remap D1 for note off events (status=128 or status=144 and D2=0) otherwise you'll end up with corrupt notes - might be a reason for problems.

At the moment it looks like you're only firing out note on events and no note off events at all.

Also bear in mind that valid note on events are status=144 and D2>0.

apollo ·

Thanx for that , But i noticed last night or was it early morning that even a blank VST that is just a midi in straight to a midi out with no alteration also causes the fluctuations. A basic drum sample player that i made using the same module as above with no midi out works fine . So i am assuming its to do with midi out on vst's ,

ik_ik_ik ·

I can say that I don't see the same issues with a simple MIDI passthrough SM VST like you've tried (in eXT at least). Can't check that now but I know it's been OK in the past.

You could try hooking up your module to the example synth within SM and see if the timing is still noticably off - if it's OK in SM then I'd say there's more likely an issue with MIDI in your host or target VSTs.

Maybe make sure you haven't got any of those evil Microsoft GM type 'MIDI' devices enabled in your host. They wreak havoc. I expect that's not the case if you haven't noticed timing problems before though.

I don't know Tracktion so can't suggest more than that really.

apollo ·

Hi ik ik ik thanx for the reply's Here's a pause for thought, I tried this tonite on the off chance and it worked..? My midi in , midi out Array of changed midi notes (as in pic one ) at an ASIO latency of 120ms Causes vsts after this module to play virtually randomly (basicly its all over the place) but if i wrap my SynthMaker module as a vst, in a Synthedit vst.. it works fine ??????????? Now im not up on the technical side but can anyone explain this as i just dont get it , ( to be honest dont even know why i tried it ).. but it works..... Maybe ill never know but this way will do me for now...as i much prefer SM ...

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