Control Voltages

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    • March 3, 2014 at 6:45 pm #111430
      ThreeFingersOfLove
      Participant

        Is it ok to use either/or the connections labeled Pedal 1, Pedal 2 located at the rear of the H8000-FW for processing control voltages from external modules? The ones I have output values -5V/+5V or 0/+5V. If so, how do I process these voltages inside VSig? Is this done with the EXTCONTROL module?

      • March 4, 2014 at 5:12 pm #125501
        nickrose
        Moderator
        Eventide Staff

          It is OK to use them as control voltages – they expect between o and 5V and are protected against reasonable abuse.

          You can indeed use EXTCONTROL to access pedal1 and pedal2.

        • March 12, 2014 at 12:11 pm #125531
          ThreeFingersOfLove
          Participant

            Thanks for the answer, but how do you map -5V/+5V to 0/+5V? A lot of voltages from synthesizers are bipolar, not unipolar.

          • March 12, 2014 at 12:28 pm #125532
            ThreeFingersOfLove
            Participant

              I am thinking of using a C_CONSTANT module with a value of 2.5 and then connect the EXTCONTROL and the C_CONSTANT to a C_SUBTRACT module to bias negatively the 0/+5V voltage to -2.5V/+2.5V and then feed that to a C_MULTIPLY with a value of 2 to get the -5V/+5V range. What do you think?

            • March 12, 2014 at 3:54 pm #136267
              nickrose
              Moderator
              Eventide Staff

                Sorry – the unit expects a input range between 0 and 5V. You need to make sure that this is what it sees.

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