For true cinema geeks, the history of the THX “The Audience is Listening” Intro AND the new 21st Century version …

“Although it contains only one note spread across a variety of pitches and modulations, this 30-channel glissando of discordant sounds builds upon itself to go from loud, to louder, to extremely loud and incredibly close. Now, the iconic audio logo is getting its first redesign ever by the same man who gave the world the Deep Note in the first place. And it’s even more dramatic than before”

You can read the rest at FastDesign.

And you can listen and download the new, older and variant versions at THX – though of course, you need 18-30 speakers to get the true full effect of the new one.