3-58 Operation
2 BAND PROCESSING
In addion to ve-band processing, suitable for pop music and talk formats, the 5750 oers a very high-quality two-
band algorithm. This is phase-linear and features the same AGC as the ve-band processor, followed by a two-band
processor with look-ahead liming. Sophiscated mulband high frequency liming and dioron-cancelled clipping
complete the ain.
We believe that this is the ideal processing for classical music because it does not dynamically re-equalize high
frequencies; the subtle HF limiter only as to reduce high frequency energy when it would otherwise cause overload
because of the FM preemphasis curve. We have heard four-band, allegedly “puri” processing that caused dynamic
HF li. This created a rident, unnatural sound in rings and brass. In contra, the 5750’s two-band phase-linear
ruure keeps the musical sperum coherent and natural.
The look-ahead limiter prevents spee from being audibly clipped and prevents similar audible problems on
inruments with rapidly declining overtone ruures like grand piano, classical guitar, and harp.
• 2B (Two Band) DRIVE – Sets the level applied to the 2 Band compressor and, thus, the average amount of
gain reduction.
• 2B (Two Band) MASTER ATTACK – Sets the attack time in the master band.
• 2B (Two Band) BASS ATTACK – Sets the attack time in the bass band.
• 2B (Two Band) RELEASE – Sets the release rate of the 2 band compressor.
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