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Tutorials 8
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A Brief Tutorial on Dynamics Processing 8.2
Snare Drum (top and bottom)
Point a dynamic microphone at the center of the
snare, making sure it is placed so that the drummer
will not hit it. Place a small-diaphragm condenser
microphone under the drum, pointed at the snares.
Experiment with the placement of both microphones.
Also experiment with inverting the phase of the
bottom microphone. This technique can be used in
live applications.
8.2
A Brief Tutorial on Dynamics Processing
The heart of the StudioLive is the Fat Channel dynamics section. What follows
is an excerpt from brief tutorial on dynamics processing, written by PreSonus
president and founder Jim Odom. It is included to help you get the most out
of your StudioLive. This tutorial will take you through the basics of dynamics
processing and will explain the various types of dynamics processors.
8.2.1
Common Questions Regarding Dynamics Processing
What is dynamic range?
Dynamic range can be defined as the ratio between the loudest possible audio
level and the lowest possible level. For example, if a processor states that the
maximum input level before distortion is +24 dBu, and the output noise floor
is -92 dBu, then the processor has a total dynamic range of 24 + 92 = 116 dB.
On average, the dynamic range of an orchestral performance can range
from -50 dBu to +10 dBu. This equates to a 60 dB dynamic range. Although
60 dB may not appear to be a large dynamic range, do the math, and
you’ll discover that +10 dBu is 1,000 times louder than -50 dBu!
Rock music, on the other hand, has a much smaller dynamic range:
typically -10 dBu to +10 dBu, or 20 dB. This makes mixing the various
signals of a rock performance together a much more tedious task.