In addition to creating alternate mixes for the VTC participants, ECHODamp
allows you to create separate mixes for your control room and for a live audience. These two parallel mixes are independent from the mix you create for the participants and
from each other. Not only can you set separate levels for each of the alternate mixes, you can also turn the echo control capabilities on and off for individual channels in the two alternate mixes.
And speaking of echo control...