The Enhance Menu menu (1A) has controls to adjust the spectral balance (1B), bass enhancement controls (1C), and settings for the stereo enhancer (1D).
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Figure 1 - Enhance menu
Spectral Balance
The spectral balance sliders adjust multiple parameters in the background with a single control to balance the relationship between low, mid, and high frequencies and create a general "sonic signature" for the processed audio.
The Deep Bass control (2A) affects the lowest frequencies. In presets that use between 4 and 7 bands, it adjusts the lowest band of the parametric equalizer, the Target of Band 1 in the multiband AGC, and Band 1 of the Band Mix Output. In presets with 2 or 3 bands, only the parametric EQ is adjusted.
The Warmth control (2B) affects the mid-bass and low-mid range. In presets with 4-7 bands, it adjusts the parametric EQ, the Target of Band 2 in the multiband AGC, and Band 2 of the Band Mix Output. In presets with 2-3 bands, it adjusts only the parametric EQ.
The Presence control (2C) adjusts high-mid frequencies. In presets with 4-7 bands, it adjusts the parametric EQ, the Target setting of Band 5 in the multiband AGC, and Band 5 of the Band Mix Output. In presets with 2-3 bands, only the parametric EQ is adjusted.
The Brilliance control (2D)adjusts high frequencies. In presets with 4-7 bands, it adjusts the parametric EQ, the Target setting of the highest band, and the highest band of the Band Mix Output. In presets with 2-3 bands, it adjusts only the parametric EQ.
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Figure 2 - Spectral balance controls
Solar Plexus
Solar Plexus is a sophisticated sub-harmonic bass enhancement algorithm that adds low-frequency content to naturally bass-shy material. Because of its adaptive nature, it has no effect on material that already has a sufficient amount of bass. Be sure to use speakers or headphones with excellent low-frequency response as it is easy to "overdo it" with these controls, especially if your reference monitors are incapable of producing very low frequencies.
The Solar Plexus control (3A) enables and disables enhancement.
The Punch (3B), Depth (3C), and Muscle (3D) controls provide bass enhancement, each with a unique texture. These controls are best tuned carefully by ear to achieve the desired effect. Note that a setting of "0" does not indicate no enhancement is taking place, but simply serves as a starting reference point.
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Figure 3 - Solar Plexus controls
Bass-EFX
Bass-EFX helps retain the punch of low-frequency transients such as those generated by a kick drum by spreading the bass energy out in time and thereby allowing more energy to be passed through to the clippers. Bass-EFX does not add any bass harmonics or energy of its own.
The Bass-EFX control (4A) enables and disables the enhancement.
The Level control (4B) sets the amount of Bass-EFX processing.
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Figure 4 - Bass-EFX controls
Stereo Enhancer
The stereo enhancer in Omnia Enterprise 9s is a multiband design that dynamically adjusts the ratio of L+R to L-R in the various bands. It can increase this ratio to provide extra enhancement and separation or decrease it to prevent already "wide" material from sounding artificial.
It should be used with some degree of restraint to avoid turning the stereo image "inside out" by allowing L-R to overpower L+R, which ruins mono compatibility and can increase multipath distortion.
The Stereo Enhancer control (5A) enables and disables stereo enhancement.
The Stereo Amount control (5B) sets the target amount of separation.
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Figure 5 - Stereo Enhancer controls