When Aphex first invented the Aural Exciter, they can have had little idea that their work would inspire a whole genre of sonic enhancers, based on a wide range of operating principles. The patented Aphex process works by synthesizing additional high frequency harmonics related to the original signal, but BBE chose to travel a different route, basing their process on a combination of dynamic equalisation and phase manipulation. To augment the high frequency enhancement of the BBE process, the new Model 462 features a Lo Contour control which adds power to the bass end of the spectrum. Few details are provided to explain how this works, but reading between the lines, it appears to be another form of dynamic equalisation.
