12/30/2023 0 Comments Shepard tone audio![]() ![]() I was not on drugs and hadn't been drinking, but it was one of the most mind-altering experiences of my life. And all the while, Daft Punk was pounding into my brain from who knows how many speakers. Click on the buttons to select which waveform you. ![]() The tone generator can play four different waveforms: Sine, Square, Sawtooth and Triangle. The tone will continue until the stop button is pushed. You will hear a pure tone sine wave sampled at a rate of 44.1kHz. The Light Cycle battle was 80 feet tall and because of the 3D glasses, it looked like it extended out from the screen to immediately in front of my face, to the point where I actually reached out and tried to touch it a couple times. Simply enter your desired frequency and press play. I don't know if I've ever mentioned this - because it fits somewhere between "unpopular opinion" and "embarrassing admission" on the scale of things one doesn't talk about in public - but seeing Tron: Legacy in 3D IMAX was one of the top 5 movie-going experiences of my life. So there's a fusion of music and sound effects and picture that we've never been able to achieve before. Very early on I sent Hans a recording that I made of a watch that I own with a particularly insistent ticking and we started to build the track out of that sound and then working from that sound we built the music as we built the picture cut. So I wanted to build the music on similar mathematical principals. I interwove the three timelines in such a way that there's a continual feeling of intensity. And I wrote the script according to that principle. It's always going up and up and up but it never goes outside of its range. And it's an illusion where there's a continuing ascension of tone. There's an audio illusion, if you will, in music called a "Shepard tone" and with my composer David Julyan on "The Prestige" we explored that and based a lot of the score around that. This auditory illusion is achieved by simultaneously playing all same notes separated by one octave (which correspond to the multiples of 2, 4, 8 etc. The screenplay had been written according to musical principals. Invented by Roger Shepard, an American cognitive scientist, the Shepard scale is a musical scale that gives the impression of never-ending rising. From a Business Insider interview with Nolan: Zimmer and Dunkirk director Christopher Nolan achieved that effect by utilizing an auditory illusion called the Shepard tone, a sound that appears to infinitely rise (or fall) in pitch - the video above refers to it as "a barber's pole of sound". ![]() The music blends perfectly with the action on the screen without being overbearing it's perhaps the best marriage of sound and visuals I've experienced in a movie theater since Mad Max: Fury Road or even Tron: Legacy. I remarked on Twitter recently that "Hans Zimmer's soundtrack for Dunkirk is outstanding". ![]()
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