It is the deeply resonant chord that plays at the start of any THX Certified performance. The THX Deep Note was composed by Lucasfilm sound engineer Dr. James ‘Andy’ Moorer and was screened at the start of the 1983 premiere of Star Wars: Episode VI – Return of the Jedi.

When the background opens, wind whistles, then various ascending notes and sounds, until a Star Wars laser-gun sound and a whooshing sound occurs as the THX logo appears and ends with a choir-like version of the Deep Note.

The Deep Note is the sound trademark of THX, being a distinctive synthesized crescendo that glissandos from a relatively narrow frequency spread (about 200–400 Hz) to a broader frequency spread (of about three octaves).

THX Ltd. is an American audio company based in the San Francisco Bay Area. It is known for its suite of digital high fidelity audiovisual reproduction standards for movie theaters, screening rooms, home theaters, computer speakers, video game …

May 7, 2024 · The THX Deep Note: THX’s audio logo, known as the Deep Note, is famous. Created in 1983 by Dr. James A. Moorer, it’s a unique sound that builds up to a powerful climax, making it a signature sound for movies in THX-certified theaters.

The THX signature Deep Note sound mark was created by James A. Moorer. The Simpsons (Heard once in "Burns' Heir".) Over the Hedge (2006) (The 2005 version is used in the THX scene reference where Quillo accidentally turns on the TV.) Repossessed (1990) (Heard in …

THX is a sound system certification program developed by Lucasfilm to ensure high-quality audio in theaters and home entertainment systems.

Nov 26, 2023 · As well as its visual mark, THX also has an audio trademark, one so distinctive that it made our list of the best audio logos. Composed by James A. Moorer, the Deep Note is a synthesised glissando – meaning a smooth glide from one pitch to another.

Apr 2, 2015 · It starts quietly, and it doesn’t last long, but it quickly swirls and builds a kind of thundering tone that can’t be ignored. It’s the “audio logo” that announces that you’re in a THX-ready...

The third sound system movie on "Star Wars: Episode VI: Return of the Jedi" (1983)