Programming experiments with the APE (Abstract Program for Experiments)  Chris Stecker  1. What is APE?   APE (Abstract Program for Experiments) is a set of MATLAB software components designed to facilitate rapid development of psychoacoustical experiments using Tucker-Davis Technologies (TDT) System 3 signal-processing hardware. Its development originated in my lab at the University of Washington as an approach to programming experiments that were easily expandable to accommodate new experiment...