aspect of an embodiment a multipoint communication apparatus comprises a receiving unit for receiving a plurality of signals containing voice signal elements and noise signal elements from the plurality of other communication apparatuses respectively a noise estimating unit for estimating the plurality of noise signal elements in the plurality of received signals respectively a gain control unit for adjusting gains of the plurality of signals passing therethrough so as to equalize the levels of the plurality of noise signal elements outputted from the gain element on the basis of the estimated levels of the noise signal elements a combining unit for combining the plurality of signals passed through the gain control unit and an output unit for outputting a sound signal on the basis of the a combined signal by the combining unit application_number US 15582808 A description preferred embodiments for carrying out the invention will be explained below in detail with reference to the drawings fig1 shows an exemplary configuration of a sound volume control unit multi point teleconferencing apparatus applied to a multi point teleconferencing system a teleconference is carried out among three points in this case this multi point teleconferencing apparatus has noise volume estimating sections 401 and 402 an inter point volume control section 403 agcs 404 and 405 and a mixer 406 and outputs an output signal by adjusting sound volumes levels of receiving signals from two points the noise volume estimating sections 401 and 402 calculate levels of noises contained respectively in the receiving signals s 1 and s 2 and output calculation results.