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Previews Pulse
A chord used in trailers to build up mystery and suspense.
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(permanent link) added: 2012-12-20 12:36:42 sponsor: Tuckerscreator (last reply: 2013-01-11 15:26:53)

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Trailers love to play up excitement and mystery, and one favorite way to do this by tickling the ears with an unusual sound. One of these sounds is the Previews Pulse. It is often created by an instrument known as a blaster beam which creates a single chord which ends up sounding technological and mysterious. Other methods are through mixing several instruments, usually bass, or altering the sound of a horn.

These "pulses" are used in trailers to create a feeling of sudden tension, similar to a Scare Chord, but are rarely used in the movie itself, as it may be distracting. A trailer that uses them is often made up of rapidly cut snippets, with the chord announcing with each new scene.

Examples

Film

Live-Action TV

Music
  • Diablo Swing Orchestra's "Justice for Saint Mary" (the final track off Pandora's Pinata). At 5:45 into the song, just after the final chorus, there are two low-pitched trombone notes, signaling to the listener that the song is about to kick it up a notch.

Video Games
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