Axiom Home Page Forums General Discussion Home Theater New Dolby Pro Logic format: IIz

Because it is part of ProLogic, there'll be some processing involved to try to extract the height information from the other channels. So it isn't just replicating other existing channels. Did you look at the Dolby page: http://www.dolby.com/consumer/technology/prologic-IIz.html ? It explains the technology a little.