There is an old expression in videoconferencing: you can have a videoconference without video but you can’t have a videoconference without audio. Luckily, audio systems have progressed to the point where echos and feedback are not really a concern in designing and installing a system. However, mics continue to be a problem–where to run the wires, how to get the mics close enough to the speaker, noise from air handling systems, interference from cell phone and smart phone transmissions, etc, etc. Read the full story