Archived posting to the Leica Users Group, 1999/09/17

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Subject: Re: [Leica] Sound on archive footage
From: "Anthony Atkielski" <anthony@atkielski.com>
Date: Sat, 18 Sep 1999 00:26:43 +0200

From: Johnny Deadman <deadman@jukebox.demon.co.uk>
Sent: Friday, September 17, 1999 23:31
Subject: [Leica] Sound on archive footage


> I've done it myself. You take the biggest explosion you
> can find in the CD library, and slow it down to half speed.
> Then add some more. Find some thunder and do the same.
> Keep building it up.
>
> That's what an atomic bomb sounds like. I think.

At safe distances, an atomic bomb sounds like a simple percussion followed by a
low, loud, constant rumble that continues for several minutes, gradually fading.
There are a couple of recordings to be had, but it's not something one hears
every day (fortunately).

I'm always surprised by the loud, short, snappy "pop" sound of most real life
movie explosions, as opposed to the prolonged blast sound one hears on the
soundtrack.  I read once that the soundtrack versions come from extremely large
military explosions, far beyond the size of the movie explosions for which they
are used.

  -- Anthony