have read http://www.openbsd.org/faq/faq13.html#audioserver
now two OpenBSD pc A & B A add sndiod_flags="-L-" to /etc/rc.conf.local, plug in a microphone. so B how to set and use the remote mic? what i want: 1. B can hear the sound from A's mic (live broadcast). 2. What program in B should I use?