> Or by lifting the ground on the XLR connections between the device and the > mixer/pa. Usually helps, or playing from batterys but I experienced and know further cases, where even that doesnt helped. Hence my statement the only predictable way is going optical (but also the most expensive). Cheers, Malte -- Malte Steiner media art + development -www.block4.com- next event: 29.feb Notstandskomitee live at Linux Audio Conference Cologne, Germany _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user