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 …

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).

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.

thx一词是由乔治·卢卡斯所拍的第一部科幻片《五百年后》（thx 1138）而来，早在1982年，卢卡斯影業就成立thx工作室，专事影片录音工程，并积极协助电影院改善音响系统；1986年卢卡斯影業顷全力协同音响厂商，投入家庭剧院器材品质规格之研究，并于1990年提出 ...

The THX standards aimed to enhance the sound and picture quality and ensure consistency between every seat in a movie-house. Speaker systems were designed to best fit the room’s unique acoustics. New spaces were designed to limit reverberation, allowing audiences to fully engage with every nuance of a soundtrack.

The Deep Note is THX's audio trademark, being a distinctive synthesized crescendo that glissandos from a low rumble to a high pitch. It was created by Dr. James A. Moorer, an ex-employee of Lucasfilm's Computer Division in late-1982. The sound is used on trailers for THX-certified movie...

2019年2月28日 · 这套标准的英文全称为Tomlinson Holman Experitment简称THX。 THX是杜比环绕声的延伸和优化，是种更为完善的杜比专业逻辑模式。 但就一般的杜比专业逻辑模式而言，THX的环绕声声场再现更加逼真，低音的震撼力度更强，且技术上有相对的进步。

The THX signature Deep Note sound mark was created by James A. Moorer. First recorded: 1982 Creator: James A. Moorer Owner: THX (1983-present) Origin: United States Year debut: 1983 First heard: The Digital Domain - A Demonstration Area served: Unknown The Simpsons (Heard once in "Burns' Heir...

2024年1月21日 · If playback doesn't begin shortly, try restarting your device. You're signed out. Videos you watch may be added to the TV's watch history and influence TV recommendations. To avoi

2023年9月29日 · In the 25th century, a time when people have designations instead of names, a man THX 1138, and a woman, LUH 3417, rebel aganist their rigidly-controlled society.