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Old January 29th, 2010, 02:58 AM   #1
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What is an "audio duck for voice overs"?

Quack, quack, what exactly is the definition?
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Old January 29th, 2010, 03:01 AM   #2
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It's when you reduce the background sound while you are talking over it.
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Old January 29th, 2010, 10:36 AM   #3
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Some DAWs or filters provide for "auto-ducking".

If, for example, you have a lengthy voiceover over music, you might want the music a little hotter in gaps between the voiceover, a little quieter during VO.
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Old January 29th, 2010, 11:10 AM   #4
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Often done "live" and "automatically" with a DJ talking over background music.

When overdone, the depth of ducking, and the speed of response means you get a wall of sound from the radio at constant (high) volume - especially on "youth" music radio stations.
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Old January 29th, 2010, 11:47 AM   #5
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Easily done feeding a compressor from a side-chain, keeping the quacking above the music.
Quack, Quack, Quack, Quack, Quack, Quack, Quack, Quack, Quack, Quack
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Old January 29th, 2010, 11:59 AM   #6
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Although aften incorporated into audio studio setups, you can buy 'audio ducking' devices separately --see here for example: Rolls Corporation - Real Sound - Products DU30b Mic-Preamp/Audio Ducker

Click on the 'manual' and there's a great deal more detail, including the full circuit diagram for the device.

Never been quite sure why some manufacturers are prepared to 'bare all,' as it were, with their information, and with others it's like trying to get blood out of a stone!
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