StreamFX for Winamp uses the same highly acclaimed technology employed in the studio by numerous recording artists, in motion pictures, and by many leading audio products manufacturers. Spatializer 3D-Stereo creates an astonishing and enveloping sound field from any pair of loudspeakers. Spatializer Natural Headphone provides a virtual surround sound effect from stereo source material played through headphones. Spatializer Vi.B.E. dramatically improves the perceived bass performance from inexpensive speakers and headphones. With Spatializer PCE(Phase Corrected Equalization), high frequencies are clearer, crisp and more brilliant while low frequencies are more dramatic, tighter and have more impact.