Hi Peter, >> I was thinking of just using Audacity to generate a pulse out of the >> line out, then measure the signal on the other channel. >> >> Is there any software I can use to make life easier? > Jack_delay from https://kokkinizita.linuxaudio.org/linuxaudio/ I've used Jack_IOdelay (included with jackd2 on Debian) to measure soundcard driver & jackd performance in the past. Cheers! _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx https://lists.linuxaudio.org/listinfo/linux-audio-user