slap back echo

Sam Phillips’ Slap Back Echo; Luckily in Mono

Abstract ‘Slap back echo’ was created by Sam Phillips for Elvis Presley’s Sun recordings and later simulated by RCA. Using cepstrum and autocorrelation, we find that the tape delay used in Sun Studios was 134 – 137 ms, which is so long that the echo is perceived mainly as a distinct echo in the time […]