Other examples in the second half of “Making Waves” range from illuminating to slightly baffling. Automated Dialogue Replacement, or ADR, is the art of recording dialogue in post-production.

Sound is the first sense we experience as human beings, but it’s one we often take for granted. We pay attention when our favorite song is playing, or when the score in a movie begins to swell.

Film Review: ‘Making Waves: The Art of Cinematic Sound’ A lively movie-love documentary looks at the history of sound design in Hollywood, as innovated by artists of technology like Walter Murch.