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