28 Mar
2010
28 Mar
'10
12:50 a.m.
Hi - I've seen the odd query on the list about building and scaling large audio conferences. Given that most callers will be listen-only, it's possible to scale up by transmitting a single RTP stream to multiple callers. Here's some proof-of-concept code, which roughly halves the CPU usage for a 200-user (plus one speaker) conference, written in that highest of performance languages, Perl: http://www.softivr.com/wiki/index.php/HP_Conferencing --Dave