Control of a conference call

A method and apparatus for controlling call conference conf is a system, the system comprises a conference bridge, is provided with a terminal from multiple audio signals, and further provided at least transmission/the decoder of the signal at least terminal. The meeting bridge comprising generating space charging effect the spatialization device. Audio component according with, and is of voice signal number of audio signal determination of conference connecting input. Pulse according to audio component number of moving, at least one transmission and decoder is used for a selection, and a signal for sending of the selecting at the decoder is at least terminal.