Name: ダンカークが激しくなる音の錯覚 (The sound illusion that makes Dunkirk so intense)
Uploaded: 2021-01-14T07:25:46.000Z
Duration: 3 min 2 s
Description: VoiceTubeの動画で発音を聞きながら英語表現を覚えよう！学べる英語：

副詞形分詞節

Hans Zimmer's score for Dunkirk starts with the sound of ticking.

And that's a common theme in the legendary composer's work — you can hear it in Interstellar and in Sherlock Holmes.

関係詞節（制限と非制限）

But in Dunkirk, the ticking makes way for an overwhelming orchestra that seems like it's rising higher and higher, but never actually does.

It's so tense, it makes you cling to your seat.

That is because Zimmer is taking advantage of an auditory illusion caused by something called a Shepard tone.

It consists of several tones separated by an octave, layered on top of each other.

As the tones move up the scale, the highest-pitched tone gets quieter, the middle pitch remains loud, and the lowest bass pitch starts to become audible.

Because you can always hear at least two tones rising in pitch at the same time, your brain is tricked into perceiving a constant ascending tone.

Loop it all together and it sounds like a piano scale going on for infinity.

When the transition between tones is continuous, it's called a Shepard–Risset glissando.

This can happen in the opposite direction too.

You can hear it in the Endless Stairs in Super Mario 64 and in Pink Floyd.

It's like a barber's pole of sound, constantly seeming to rise without actually going anywhere.

Put that in a soundtrack and it creates this sound of rising tension that carries the screenplay forward.

Christopher Nolan loves this illusion — you can hear it in the Batpod sound effect in the last two Dark Knight films and in the music of The Prestige, composed by David Julyan.

Nolan's films are often all about time — how it warps in space, in our dreams, and in our memories — and there's tension that comes with that.

An illusion like this makes that tension palpable — all it takes is clever sound design.

I just wanted to give a shoutout to Jason Guerrasio at Business Insider for doing this great interview with Christopher Nolan.

In the interview, Nolan confirms that a lot of the soundtrack was built around the effect of a Shepard tone.

And he also reveals that the ticking that Hans Zimmer uses at the very beginning of Dunkirk is actually a recording of a watch that Christopher Nolan owns.

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ダンカークが激しくなる音の錯覚 (The sound illusion that makes Dunkirk so intense)

constantly

perceive

overwhelming

illusion