THX

#thx sound #thx sound effect #thx intro sound #thx intro #thx movie intro #thx theme #thx logo sound #thx sound logo

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The classic THX intro sound from cinema logo sequences, known for its huge swelling note. People use it for loud reveal memes and movie theater jokes.

This clip is the famous THX Deep Note, the dramatic sound logo heard before many films in theaters and on home releases. It starts as a tense electronic hum, then grows into a massive layered chord that feels wide, powerful, and slightly overwhelming. Because the buildup is slow and the payoff is so loud and cinematic, it instantly makes a moment feel bigger than it really is. In memes and edits, that contrast is the joke: a tiny action suddenly gets treated like an epic blockbuster event.

The sound is widely known as the THX Deep Note, the audio logo for THX, the theater sound system company founded by Lucasfilm. It was created in 1983 by James A. Moorer and became closely associated with cinema preshows and home video intros. Online, it spread beyond movie fans because the long buildup and explosive finish work perfectly as a loud reveal gag. It is still popular because almost everyone recognizes the feeling of that booming theater intro, even in short meme edits.

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What is the THX Deep Note sound?

It is the famous THX audio logo, a slowly building synthesized chord used in THX cinema and home video intros. People recognize it for its dramatic swell and very loud, cinematic finish.

Where does the THX intro sound come from?

It comes from THX, the audio system and certification brand originally developed at Lucasfilm. The Deep Note was created in 1983 by James A. Moorer and became a signature part of THX presentation sequences.

Why is the THX sound used in memes?

Creators use it because the buildup signals something huge is coming, which makes the final reveal funnier when the actual moment is trivial. It is especially common in loud volume jokes, fake studio intros, and dramatic before-and-after edits.