2264ALB Limiter / Compressor
Issue 1
2264 Operation
LIMITING – ATTACK TIME
This unit has a limiting attack time of 4msec.
This slow attack time is used on programme material of moderately
percussive nature, such as a solo piano.
With this attack time a very narrow dynamic range can be achieved by
feeding high levels into the limiter while using a low limit level.
A fast attack time is desirable for example, when the unit is used for
driving a transmitter.
Fast attack times should be used with care when recording.
The point at which the limiting threshold occurs can be varied b4
dBm and +15 dBm.
A range of recovery times for the limiting action is provided by the
LIMIT
RECOVERY
control which may be selected according to the nature of the
programme.
The
AUTO
position is used where automatic corrective action is preferred.
This provides a composite control, with rapid response to isolated peaks
and a slower recovery after prolonged high levels.
The figure below shows the relationship between input and output levels
with the
LIMIT LEVEL
set at +4 dBm and +12 dBm.
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