Patent ID: 6314302
Filing Date: 2001-11-06
Classification: H04M,H04N

Abstract:
A method for supporting multimedia services via a radio interface between a mobile telecommunication system with a radio-oriented transceiver and a mobile subscriber terminal device with a radio-oriented transceiver, comprising the steps of:providing speech signals and image signals of subscribers of a multimedia service at a transmit side and at a receive side, and sending the speech signals and image signals by the respective transceivers via the interface;using in the mobile telecommunication system, N logical speech channels, where N>2, for transmission of the speech signals, provided by the mobile telecommunication system, of N subscribers, and using M logical image channels, where M<N, which are selected in the mobile telecommunication system, for transmission of the image signals of M subscribers;determining a currently speaking subscriber with speech detectors that are allocated to the N logical speech channels that check a speech channel state to determine whether this speech channel is already active when there is speech activity or whether this speech channel is inactive when there are pauses in the speech activity;automatically selecting, in the telecommunication system, an image channel that contains image signals of the currently speaking subscriber; andoutputting via the subscriber terminal device the speech signals, received by the respective transceiver, of the N subscribers, and displaying the image signals, received by the respective transceiver, of the M subscribers.