AudioUnitRenderProc

type AudioUnitRenderProc = function(

  inComponentStorage: UnivPtr;

  ioActionFlags: AudioUnitRenderActionFlagsPtr;

  const inTimeStamp: AudioTimeStamp;

  inOutputBusNumber: UInt32;

  inNumberFrames: UInt32;

  var ioData: AudioBufferList

):OSStatus;