A conferencing system may comprise an electronic display configured to display remote video generated within a remote conference room, a speaker configured to reproduce remote audio generated within the remote conference room, and a processor configured to receive local audio generated within a local conference room and picked up by a microphone assembly that is part of a separate device from the electronic display. A related method may include displaying remote video on an electronic display of an all-in-one display, reproducing remote audio through at least one speaker of the all-in-one display; and performing echo cancellation of local audio using the remote audio as an echo cancellation reference. Another method may include receiving, at an all-in-one display, a plurality of local audio signals from a plurality of microphone assemblies that are separate from the all-in-one display, and controlling, within the all-in-one display, gating of the plurality of microphone assemblies.