Daimon-zero “... I superimposed or mixpasted copies of each of the phrases I spoke which were a fifth down and a third up, respectively onto the first recorded spoken phrase ... ” . Ah so a bit like qubodup's, "scary robot" effect ... http://www.youtube.com/watch?v=5TWZb0QfJh0 Your effect has a harsher quality though , (that's not a criticism).
Your mp3 has a credit in a recent film I made about a few > beetles I found a top bar bee hive recently. I hope the film > doesn't give you nightmares. Much appreciated! > http://www.youtube.com/watch?v=pI8-zCMm2ss