noise-reduction system that
takes the hiss out of stereo tapes, FM radios, and records, and allows for
sharper high and low tones (like the ominous low rumbling of the
mother ship in Steven Spielberg's Close Encounters of the Third Kind).
Walter Murch, who created the beautifully intricate "sounds track" of George Lucas's film, The Conversation, believes that the technical potential of film sound has been reached-now it is up to the movie directors to exploit it. With a general upgrading...