----- Original Message ----- > > Many Mini-ITX cases have horrific power supplies to keep overall > > cost > > down. 'Cheap' doesn't begin to describe them. They *will* introduce > > audio issues, especially where you're using FXS modules. > > This box is using a picoPSU-80 80w DC-DC 'power supply' fed from an > inline > 'laptop brick.' > > > Also, it could be your system's ability to handle interrupts as that > > will cause clicks/pops as well. > > Out of 300 samples from dahdi_test, there were 3 'outliers' -- > 70.317%, > 87.397%, 95.899% which is not comforting, but they don't correlate > with > the stream of noise. > > > Third, try putting the card directly into the motherboard. PCI > > risers > > can be finicky, especially the 'ribbon style' units. The solid PCB > > units > > I've found are typically fine. > > This case will not accommodate that unfortunately. This is a rigid PCB > unit. >
Are you getting these audio artifacts on all channels, or specific ones? FXO vs FXS? Also, is the card a Digium TDM400P or a 'clone'? --Tim -- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
