Who invented thx surround sound




















Backed by a promotional drive and the aforementioned THX clips, along with its Return Of The Jedi association, the cinema industry played ball. More and more cinemas soon had the THX plaque on their wall, and in the s, THX extended its work into home cinema and home entertainment products as well.

It was becoming a mark of quality that companies were keen to aim for. Crucially, THX was heavily pushed to cinema consumers as well. In particular, those short clips before a show started, that were running to the early s. Here are just a few of the more famous ones, to take you down memory lane a little. The sound is a piece called Deep Note, incidentally, and you can read more about that here. But then things began to change though for THX in It was a surprisingly modest sum, but then the argument there is that THX had long completed what George Lucas and Tomlinson Holman had set out for it to do.

The standard of cinema sound revolutionised over the 19 years Lucas controlled THX, and within years the idea that an auditorium would be equipped with basic mono sound was a non-starter. The likes of Dolby Digital and DTS had picked up the baton, and their technologies were evolving and improving the audio that went with a big screen outing.

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THX's Select2 certification is given for home theater components said to be good enough for medium-sized rooms, up to 2, cubic feet 57 m 3 in size, with a 10—12 feet 3. The U. Two different interpretations of the note ran concurrently with the version in both the Grand trailer and the reorchestration of the Cimarron trailer, composed and conducted by the late James Horner. Users on YouTube found portions of the original mix, when a user found a bootlegged micro-cassette recording of the original mix of the trailer.

The original trailer has yet to be found in high quality. The Deep Note originally transitioned from a soft to loud intensity, and over the years has been remixed digitally, as new technology developed.

The next trailer, entitled Grand , premiered during the theatrical release of Steven Spielberg's Jurassic Park on June 11, That logo consists of a Star Wars -esque laser beam cutting to a foggy crimson red background illuminating the screen accompanying with high pitch squealing noises for a few seconds before the corporate logo moves upward in a degree angle in the center of the screen.

On July 3, , Tex debuted with the theatrical release of Independence Day. The Deep Note was low-pitched and cut short which is different than other versions. It was later used in the DVD version of the digitally mastered variant of the iconic Broadway trailer in , then later with both the Ziegfeld and Tex Action trailers in Both that logo and the Amazing Life trailer had the Deep Note been cut short to the single note where both sounds stay in one pitch , in favor of other sound effects, Performed by Lost in the Sky.

However, in the last mentioned trailers to use the note, both based on the famous Broadway trailer, the sound was played in full. The sound is perceived as louder than it actually is; sound designer Gary Rydstrom explains that, "from a technical standpoint, 'Deep Note' just feels loud because it has a spectrum of frequencies that grows from small to large.



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