I have a pretty annoying issue with FL Studio. Basically, sometimes happens that certain notes I play start to sound strange and wobbly, and it doesn't seem to be related to a single VST. It sounds like this: http://vocaroo.com/i/s0agtQPNIOYV.

I tried fiddling with every setting of FL Studio possible, but it doesn't seem to be an issue related to buffers and stuff like that. The strange thing is that a new project doesn't present this issue, and it happens, it seems, randomly.

I tried reinstalling FL Studio, but to my surprise the issue stayed in the same project I had the issue before. I think it may be some setting I accidentaly change midway, but I cannot find what triggers it.

  • 2
    If a wobble is your problem in fruity loops, perhaps you should turn off "dubstep" mode.(That's a joke) :)
    – Ron Kyle
    Commented Jan 21, 2015 at 18:20
  • 1
    Can you re-upload the sample please?
    – JSmith
    Commented Jan 27, 2016 at 6:00
  • There's already this question with some answers already on the site... Commented Jan 27, 2016 at 13:48
  • see if pitcher is on the master track tht was the problem fr me and if it is turn off pitcher
    – user20349
    Commented Feb 7, 2017 at 1:59

3 Answers 3


Try turning off all effect switches on the bottom of your mixer, also make sure the "selected"mixer channel is empty.

If the problem still occurs, solo a VST and recheck for strange noises, if not found, try tools > macros > switch auto disable for all plug-ins.

If it's still not fixed, check the sample quality, is it still 44000?

Or, reconnect your MIDI keyboard (if you're using one) and rescan devices.


Typically, ModWheels are assigned to automatically create a vibrato in the instrument. Unfortunately, I'm unable to listen to the piece of audio you've provided in the OP as for I get a "file does not exist" message but make sure your modulation values on your tracks are set to '0'.


Is it a registered version or are you using the demo version? I remember back in the day when I couldn't get my hands on a legit copy that the instruments would wobble and screech because the version I had was only a demo. It's like a way to get you to buy it. If that's not the issue get back to me and we'll figure this out.

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