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Message: <blockquote data-quote="florealworld" data-source="post: 2193696" data-attributes="member: 101492">Hi, THX is the trade name of a high-fidelity sound reproduction standard for movie theaters, screening rooms, home theaters, computer speakers, gaming consoles, and car audio systems. THX stands for <a href="http://en.wikipedia.org/wiki/Tomlinson_Holman" target="_blank">Tomlinson Holman</a>'s <a href="http://en.wikipedia.org/wiki/Experiment" target="_blank">eXperiment</a>. THX was developed by <a href="http://en.wikipedia.org/wiki/Tomlinson_Holman" target="_blank">Tomlinson Holman</a> at <a href="http://en.wikipedia.org/wiki/George_Lucas" target="_blank">George Lucas</a>'s company <a href="http://en.wikipedia.org/wiki/Lucasfilm" target="_blank">Lucasfilm</a> in <a href="http://en.wikipedia.org/wiki/1982" target="_blank">1982</a> to ensure that the <a href="http://en.wikipedia.org/wiki/Soundtrack" target="_blank">soundtrack</a> for the third <a href="http://en.wikipedia.org/wiki/Star_Wars" target="_blank">Star Wars</a> film, <a href="http://en.wikipedia.org/wiki/Return_of_the_Jedi" target="_blank">Return of the Jedi</a>, would be accurately reproduced in the best venues.The THX system is a recording technology, and it does not specify a sound recording format: all sound formats, whether digital (<a href="http://en.wikipedia.org/wiki/Dolby_Digital" target="_blank">Dolby Digital</a>, <a href="http://en.wikipedia.org/wiki/SDDS" target="_blank">SDDS</a>) or analog (<a href="http://en.wikipedia.org/wiki/Dolby_SR" target="_blank">Dolby SR</a>, <a href="http://en.wikipedia.org/w/index.php?title=Ultra-Stereo&action=edit&redlink=1" target="_blank">Ultra-Stereo</a>), can be "shown in THX." THX is mainly a <a href="http://en.wikipedia.org/wiki/Quality_assurance" target="_blank">quality assurance</a> system. THX-certified theaters provide a high-quality, predictable playback environment to ensure that any <a href="http://en.wikipedia.org/wiki/Film" target="_blank">film</a> soundtrack <a href="http://en.wikipedia.org/wiki/Audio_mixing" target="_blank">mixed</a> in THX will sound as near as possible to the intentions of the mixing engineer. THX also provides certified theaters with a special <a href="http://en.wikipedia.org/wiki/Audio_crossover" target="_blank">crossover</a> <a href="http://en.wikipedia.org/wiki/Electronic_circuit" target="_blank">circuit</a> whose use is part of the standard. Certification of an auditorium entails specific <a href="http://en.wikipedia.org/wiki/Acoustics" target="_blank">acoustic</a> and other technical requirements; architectural requirements include a <a href="http://en.wikipedia.org/wiki/Floating_floor" target="_blank">floating floor</a>, <a href="http://en.wikipedia.org/w/index.php?title=Baffled_wall&action=edit&redlink=1" target="_blank">baffled</a> and <a href="http://en.wikipedia.org/w/index.php?title=Acoustical_treatment&action=edit&redlink=1" target="_blank">acoustically treated</a> walls, no parallel walls (to reduce <a href="http://en.wikipedia.org/wiki/Standing_wave" target="_blank">standing waves</a>), a perforated screen (to allow <a href="http://en.wikipedia.org/w/index.php?title=Center_channel&action=edit&redlink=1" target="_blank">center channel</a> <a href="http://en.wikipedia.org/w/index.php?title=Acoustic_continuity&action=edit&redlink=1" target="_blank">continuity</a>), and <a href="http://en.wikipedia.org/w/index.php?title=NC30_rating&action=edit&redlink=1" target="_blank">NC30 rating</a> for <a href="http://en.wikipedia.org/wiki/Background_noise" target="_blank">background noise</a>. Sachith.<img src="/styles/default/xenforo/smilies/default/cool.gif"  class="smilie" loading="lazy" alt=":cool:" title="Cool    :cool:" data-shortname=":cool:" /></blockquote>

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