Sonnox Oxford Dynamics - Manual (Page 26)

4.9 UsingCompressionTimingFunctions 4 COMPRESSOR
The following provides a general description of some effective approaches and starting
points:
4.9.1 FastasPossibleApproach
To obtain absolute maximum modulation and minimum dynamic range, the best approach
is to set release times to minimum, increase the hold time just enough to the reduce LF
distortion to acceptable levels, and increase the attack time just enough to allow some
overshoot on percussive peaks, in order to retain some impression of programme
dynamics. The appropriate level of compression can then be obtained using the
threshold, ratio and soft ratio controls. The overshoots produced by the attack times can
be controlled by the use of the programme limiter section.
4.9.2 NaturalDynamicsApproach
To obtain a more natural compression a good starting point is to set the attack and
release controls to mid positions with hold control at minimum (this is the fixed setting of
the Classic compressor style). This approach aims to match to some degree the
dynamics of the ear’s response and recovery from loud sounds at relatively high sound
pressure levels. Variations on these moderate settings can yield realistic results if
appropriately adjusted to suit the intended reproduction levels of the programme.
4.9.3 SlowandGentleApproach
For level control with the least possible intrusion, set the attack and release times to the
longest possible times, perhaps with the addition of the hold control to increase the
release times further. This ensures that the highest levels within the programme material
are controlled gently, and the gain recovery in the quiet passages is almost imperceptibly
slow. This method is most effective when used in conjunction with the larger soft ratio
settings, as this ensures that compression commences well before the target maximum
level, providing a degree of prediction.
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