Yamaha is pleased to announce the upcoming release of the newly upgraded version of their innovative Active Field Control (AFC) acoustic conditioning system, the AFC4. A combination of architectural acoustics and electroacoustic signal processing, AFC systems allow users to manipulate and enhance the sonic architecture of an acoustic space in order to accommodate a wider range of applications. The new AFC4 sees significant upgrades in performance, sound quality, and flexibility, further expanding the range of performance applications to include opera, musical theatre, or broad-scale entertainment productions.