I'm looking for a good microphone, that can support 15 people around a table. The mic should be connected to a PC, for a voice over IP application. I need that anyone around this table will be able to speak and to be heared clearly on the other side PC.
My budget: ~250$
First, read: Interfacing a Professional Microphone to a Computer
Second, read: Critical Distance and Microphone Placement
Third, read: Predicting Speech to Background Noise Ratio at the Microphone
Fourth, consider this microphone series: Microflex