THX (officially stands for "Tomlinson Holman's eXperiment") is a motion picture quality certification system (despite being branded as a "sound system" until 1997) founded by …

THX was named after Holman's initials, with the "X" standing for "crossover" [2] or "experiment". The name is also an homage to Lucas's first film, THX 1138 (1971). Deep Note was created …

Oct 3, 2025 · "THX" has a shining effect that stays still throughout the duration of the trailer. Above the logo is "LUCASFILM LTD", and "SOUND SYSTEM" below, both in small, spaced …

Jun 26, 2025 · 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 …

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 …

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Nov 26, 2023 · The THX logo appearing on screen has become synonymous with the feeling of settling in for a truly cinematic experience. Developed at George Lucas’s Lucasfilm in the early …

Named after Lucas's first film THX 1138 (1971), it was owned by Lucasfilm Ltd. from its inception until 2002, when it was spun off as its own company and sold to sound card manufacturer …

On some later films such as The Fast and the Furious, The Count of Monte Cristo, Ice Age, and Minority Report, only the THX and TAP logos are present, and they are moved to the center of …

THX is a high-fidelity audio/visual reproduction standard for movie theaters, screening rooms, home theaters, computer speakers, gaming consoles, and car audio systems.