Process and device for compensating for signal loss

For an especially low loss and echo free communication between several participants in a room an inventive process for the compensation of losses of a signal(S) along a transmission path between at least one transmission point and one receiving point in a room determining the transmission path of signal (S) and via the transmission paths at least one parameter of an associated transmission function will be determined, whereby via the determined parameters the signal level for a given position (P through P) on the transmission path is controlled. Additionally an especially suitable device is provided for the implementation of the process.