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The Daily Insight

What is the THX sound effect?

Author

Rachel Ross

Updated on April 30, 2026

What is the THX sound effect?

The Deep Note is the sound trademark of motion picture company 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). It was created by James A.

Is THX sound free?

THX dolby speaker test….THX Sound Test.

Quality:WAV 16 bit / 44.100
Licence:The sound effects is permitted for non-commercial use under license “Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)”

Why is the THX sound so loud?

Academy Award–winning sound designer Gary Rydstrom has explained that the Deep Note “just feels loud” because of the spectrum of frequencies it uses. “I like to say that the THX sound is the most widely recognized piece of computer-generated music in the world,” Moorer said in a 2005 email.

What is THX theme song?

In 1982, Lucasfilm employee James Moorer composed a piece of music that’s since become a staple of the film-going experience: “Deep Note” is the audio trademark of the George Lucas-founded high fidelity sound company THX.

Why is THX so scary?

THX-phobia is the fear of the THX logo and/or the Deep Note and/or digital audio. This fear usually sprouts in childhood, as the logo was infamous for scaring young children due to its loud and jarring audio and being featured in many Disney and Pixar movies and other movies too.

Is THX still used?

But then things began to change though for THX in 2002. But then in 2016, THX was sold again, with Creative passing on ownership of the company and name to another computer hardware company, Razer.

What does THX stand for?

THX

AcronymDefinition
THXThanks
THX[not an acronym] Lucasfilm quality standards (name derived from Tomlinson Holman’s eXperiment and from the George Lucas film, THX-1138)
THXTomlinson Holman’s eXperiment
THXTesting History

Who invented THX?

George Lucas
Tomlinson Holman
THX/Founders

The current THX was created on June 12, 2002, when it spun off from Lucasfilm Ltd. THX was developed by Tomlinson Holman at George Lucas’s company, Lucasfilm, in 1983 to ensure that the soundtrack for the third Star Wars film, Return of the Jedi, would be accurately reproduced in the best venues.

When did THX stop?

THX is a motion picture quality certification system (despite being branded as a “sound system” until 1997) founded by Tomlinson Holman and George Lucas in 1982 (in turn was then-owned by Lucasfilm Ltd. until 2002, when spun-off in its present-day company, THX Ltd.

What happened THX audio?

In 2016, THX was acquired by videogame hardware company Razer Inc., with Razer owning all of THX and its intellectual property.

Is THX a Dolby?

The THX system is not a recording technology and it does not specify a sound recording format: all sound formats, whether digital (Dolby Digital, DTS, SDDS) or analog (Dolby Stereo, Ultra Stereo), can be “shown in THX”. THX is a quality assurance system….THX.

TypeSubsidiary
Websitethx.com

Is THX good for music?

THX Spatial Audio can enhance podcasts and spoken content, as well as music.