Paradigm's Oleg Bogdanov describes the new Perforated Phase Alignment (PPA) lenses that are on the tweeter and midrange drivers of their new Persona-series loudspeakers.
MartinLogan's John Soden talks about the three new technologies in the company's Masterpiece-series speakers, which combine electrostatic panels for the midrange and highs with dynamic drivers for the bass.
Roland Hoffman, senior manager at the Dynaudio Academy, describes the collaborative effort that his company has with Volkswagen. Dynaudio does not simply supply sound tuning for Volkswagen -- Dynaudio supplies true Dynaudio drivers and sound quality in their cars.
Bang & Olufsen's resident tonmeister, Geoff Martin, explains what one is and does.