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Discussion in 'Audio Terms' started by audiokid, Jun 7, 2010.

  1. audiokid

    audiokid Staff

    An artifact introduced into audio source that is caused by excessive compression. Pumping, or breathing causes the program material to rise and fall depending on some frequency (usually bass) that is crossing the threshold level. Can be used creatively, but multiband compression or some sort of filtering to the side chain can overcome this problem.

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