audA-waves from four subjects. Subject identifiers = code/gender/age. Recorded from the C3'-O2 channel, at two repetition-rates: 15 S/s (dotted lines) and 30 S/s (solid lines), with overlapping of replicate runs at each rate. The jitter maximum was 12% around the mean. Monaural, right ear, Etymotic tubephone stimulation. Abscissa, ms; ordinate V; Filter: 5–120 Hz. Averaged data before deconvolution 1600 ms long; only the first 500 ms are shown. Note that the vertical scales differ between subjects.