dsp4000 "midinote" pitch to frequency to control oscilators and "adsr"

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- August 9, 2011 at 8:17 pm #108054
  
  flowerpower
  Member
  
  Hi,
  
  I'm creating a synth on my Eventide DSP4000 (OS 2.00) and I'm using the
  "midinote" object to receive midi notes. My question is how I can
  convert the pitch output of "midinote" object to frequency values to can
  connect it to the input of an oscilator. I have find an object called
  "ptof" on vsigfile help documents that is doing that, but it seems that
  my old 4000 is not having it because I can't find it in add objects menu. How can I do this on a 4000?
  
  Another thing is that when I send midi to my patch it gets an error message and ask me to reboot….
  
  And about the ADSR object, with wich "amp" object I have to use
  it to let the oscilator sound pass thru? I'm using it with a "mix"
  object to control it from adsr object but it's not working. I'm doing
  right to connect the "midinote" gate output to the adsr gate input?
  
  Please help me, I can't find info on this in the internet or the manual…
  
  Thanks in advance!
- August 10, 2011 at 3:48 pm #122530
  
  nickrose
  Moderator
  Eventide Staff
  
  davidaynes:
  
  How can I do this on a 4000?
  
  You should be able to do the same thing with control math modules. A starting point would be:
  
  F = 880 * (2 raised to power ( ( note – 69) / 12))
  
  Can't give any more help than this. Sorry.
  
  davidaynes:
  
  Another thing is that when I send midi to my patch it gets an error message and ask me to reboot….
  
  Don't understand this. Why not give the error message text ?
  
  davidaynes:
  
  And about the ADSR object, with wich "amp" object I have to use
  it to let the oscilator sound pass thru?
  
  Again, not clear what you mean. It should work with a MIX module.
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dsp4000 “midinote” pitch to frequency to control oscilators and “adsr”