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The 929 provides two channels
of single-ended noise reduction for use with analog
tape recorders, multiple signal processors and noisy
digital samplers and storage devices. The single Quieting
control for each channel can be rapidly Color adjusted
for the hiss characteristics of a particular system
The 929's patented circuitry
gets rid of unwanted, steady-state hiss, but preserves
those high frequencies that add definition to sound.
The 929 provides significant
noise reduction for sources that have a steady noise
floor. The 929 monitors the RMS energy in the hiss
frequency band. If any fluctuating energy is detected,
it immediately "opens up" as long as necessary
to let the desired signal through.
Inputs on the 929 are balanced;
outputs are unbalanced. Outputs can be changed to
balanced operation by moving two jumpers. Each module
contains two independent channels that may be strapped
for operation with noisy stereo sources.
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• Stereo or dual
mono operation
• Easily set for different program material
• Provides noise reduction in sistuations where
Type I or Type II encoding cannot be used
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