Adoption of DSP-based speaker-and-room correction in home theater—a parallel universe to audiophilia—is almost universal. It's easy to understand why. Home theater matured in the digital age. Its fans were expected to install several loudspeakers in a full-range setup that included at least one speaker—the subwoofer(s)—that functioned exclusively in the problematic bass region. Setup issues were intimidating.

In 1968, I was a 2-year-old toddler living in Paris, France—my birthplace—on the 14th floor of a diplomat-occupied apartment complex overlooking the Seine. My dad, a member of the Royal Canadian Mounted Police, was stationed in Paris, working security at the Canadian embassy. My mom and I were there with him.