Stuff You Should Know

Tdhtdhtdhtdhtdh: Sound Effects!

September 23, 2025

Key Takeaways Copied to clipboard!

  • The art of sound effects, particularly Foley, is a highly intricate and creative craft that remains essential in filmmaking despite technological advancements, with Foley artists acting as "sound actors" to enhance realism. 
  • The term "Foley" originates from Jack Foley, a pioneer who, starting in the late 1920s, developed the techniques and established the practice of creating sound effects in post-production, leading to the term becoming an art form and a department name. 
  • Many iconic and seemingly realistic sounds in film and television, from the Wilhelm scream to the TIE fighter's roar and E.T.'s footsteps, are ingeniously created by layering and manipulating sounds from everyday objects and animals, demonstrating the creative resourcefulness of sound designers. 

Segments

The Art of Sound Effects
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(00:01:16)
  • Key Takeaway: Sound effects are crucial for realism in media and are created through Foley artists, sound catalogs, or computer generation, with Foley artists often considered “sound actors.”
  • Summary: The hosts introduce the topic of sound effects, explaining their importance in making visual media more real and discussing the different methods of their creation, including Foley artists, sound libraries, and digital generation.
Diegetic vs. Non-Diegetic Sound
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(00:05:57)
  • Key Takeaway: Diegetic sound originates from within the movie’s world and is audible to characters, while non-diegetic sound, like the musical score or narration, is added for the audience.
  • Summary: The conversation delves into the definition of diegetic sound, explaining it as any sound that characters within the film’s universe would hear, contrasting it with non-diegetic sound which is external to the characters’ perception.
The Origins of Foley
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(00:11:31)
  • Key Takeaway: The practice of creating sound effects for media evolved from vaudeville, where performers used ’traps’ or contraptions to generate sounds live, eventually leading to the specialized role of Foley artists.
  • Summary: The hosts trace the history of sound effects back to silent films and vaudeville, discussing how early performers created sounds live and how this evolved into a more sophisticated industry with specialized tools and techniques.
Jack Foley and His Legacy
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(00:20:14)
  • Key Takeaway: Jack Foley’s innovative work in sound effects, particularly his ability to create sounds live and in one take during the transition to talkies, led to his name becoming synonymous with the entire field of studio-created sound effects.
  • Summary: The episode highlights the pivotal role of Jack Foley, explaining how he became a legendary sound effects creator and how his name became the term for the entire discipline, even though he never received on-screen credit for his work.
Iconic Sound Effects Explained
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(00:36:18)
  • Key Takeaway: Many famous movie sounds, like the Star Wars blaster, TIE fighter, and E.T.’s footsteps, were created using unconventional methods such as hitting radio tower cables, distorting elephant roars, and using Jell-O and raw liver.
  • Summary: The hosts discuss specific, well-known sound effects from films like Star Wars, E.T., and Titanic, revealing the creative and often surprising techniques used by sound designers to achieve these iconic sounds.