The "Shepard Tone" is an audio illusion which sounds like a perpetually rising or falling tone, without ever exceeding the limits of human hearing. I have applied this principle to a recording of an electric motor [from an elevator] to create a similar effect to that created by Richard King for the "Batpod" in The Dark Knight. The fist track is the clean sound looped; first ascending, and then descending. The second track is the same loop, but treated to give it a more engine-like feel. All feedback is welcome.

Shepard Engine Designed

Shepard Engine Clean

180101 Match Strike

180104 Cork

180105 Pouring Water

180103 Creaky Stairs

180106 Sliding Door

Whoosh/flash sound created using sounds I recorded earlier in the week.

180107 Magic Whoosh [Designed]

180109 Steel Ruler Swish

180108 Punches

180110 Plastic Wrapper

180111 Coin Flip

Frederick John Proud

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