Can You Believe Your Ears?

The search for realistic, concert-hall-quality sound has led audio equipment makers down some strange paths. Remember the quadraphonic craze of the early 1970s? Instead of two speakers, you needed four--and at least one manufacturer suggested a fifth, mounted on the ceiling. Or QSound, whose 1980s promoters proved more successful at selling stock than licenses for its three-dimensional sound?

To continue reading this article you must be a Bloomberg Professional Service Subscriber.