3-50 Operation
The 5950 HF Enhancer is a program-controlled HF shelving equalizer.
It intelligently and continuously analyzes the ratio between broadband and HF energy in the input program
material and can equalize excessively dull material without over-enhancing bright material. It interacts
synergistically with the five-band compressor to produce sound that is bright and present without being
excessively shrill.
HF ENH (“High Frequency Enhancer”) is a program-adaptive 6 dB/octave shelving equalizer with a 4 kHz turnover
frequency.
It constantly monitors the ratio between high frequency and broadband energy and adjusts the amount of
equalization in an attempt to make this ratio constant as the program material changes. It can therefore create a
bright, present sound without over-equalizing material that is already bright.
Subharmonic Synthesizer Injection: The subharmonic synthesizer generates subharmonics of fundamental
frequencies in the 50-90 Hz range or 60-120 Hz range depending on the setting of the SUBHARMONIC CUTOFF
FREQ control. The subharmonics are one octave below the frequencies from which they are generated (i.e., 25-45
Hz or 30-60 Hz) and track the levels of their generating frequencies.
If input program material below 45 or 60 Hz is present, the subharmonic synthesizer automatically reduces the
level of the synthesized subharmonics to prevent excess build-up of energy below 45 or 60 Hz.
To prevent introducing unnatural coloration in male speech. the subharmonic synthesizer is defeated when the
automatic speech/music detector detects speech. This is particularly important when the SUBHARMONIC CUTOFF
FREQ control is set to 120 HZ.
MULTIBAND
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