Sample Champion - Version 1.0 Sample Champion is a powerful real-time software tool designed for high precision acoustic measurements. With Sample Champion you'll be able to measure the Impulse Response of a room, or analyze loudspeaker Frequency Responses using the MLS (Maximum Length Sequence) method. Features include FFT analysis (narrow band and octave), synchronous averaging, input and output equalization, internal signal generator, calibration. There is a PRO and a LIGHT version. The LIGHT version only costs $59.00.