Patent ID: 6069878
Filing Date: 2000-05-30
Classification: H04M

Abstract:
An intercom system comprising:a plurality of intercom stations, at least some of which include transducers for generating audio input signals and at least some of which include transducers for generating audio from audio output signals;a TDM bus having multiple time slots, each time slot being capable of carrying a separate audio signal;a plurality of clients coupled to the stations and to the TDM bus for sending the audio input signals from the stations to a first group of slots of the TDM bus, and for sending the audio output signals from a second group of slots of the TDM bus to the stations;at least one throughput processor having audio-signal connections only to the TDM bus for receiving certain audio input signals exclusively from the first group of slots of the TDM bus, modifying them, and returning the modified audio signals exclusively to the second group of slots of the TDM bus; anda controller for selecting the first and second groups of slots and for selecting the certain audio signals.