Orban OPTIMOD-FM 8500S Operating Manual page 189

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OPTIMOD-FM DIGITAL OPERATION
LOUD-PUNCHY is the quietest of the "loud" preset family. It is designed for a
bright, sizzling top end and very punchy lows. It is a good choice for stations that
feel that the LOUD-HOT presets are too aggressive, but that think that the ROCK
presets are insufficiently loud for their market position.
LOUD-BIG compromises between LOUD-HOT and LOUD-HOT+BASS. It uses a 12
dB/octave bass equalizer slope to achieve punchy bass that still has enough mid-bass
boost to help smaller radios.
LOUD-FAT has dramatic punch on percussive material and a very fat-sounding low
end, plus outstandingly effective distortion control. It avoids overt bass distortion
despite the full bass sound. It is slightly quieter than the loudest of the "loud" pre-
set family.
NEWS-TALK: This preset is quite different from the others above. It is based on the
fast multiband release time setting, so it can quickly perform automatic equalization
of substandard program material, including telephone. It is very useful for creating a
uniform, intelligible sound from widely varying source material, particularly source
material that is "hot from the field" with uncontrolled quality. It extensively exploits
distortion control to achieve a very clean, highly compressed, but unclipped sound
quality.
SPORTS: Similar to NEWS-TALK except the AGC Release (AGC Release Time) is
slower and the Gate Thresh (Gate Threshold) is higher. This recognizes that most
sports programming has very low signal-to-noise ratio due to crowd noise and other
on-field sounds, so the preset does not pump this up as the NEWS-TALK preset
would tend to do.
ROCK: ROCK-DENSE, ROCK-MEDIUM, and ROCK-OPEN provide a bright high end
and punchy low end (although not as exaggerated as the URBAN presets). A mid-
range boost provides enough presence energy to ensure that vocals stand out. A
modest amount of high frequency coupling (determined by the Band Clipping 3 > 4
setting) allows reasonable amounts of automatic HF equalization (to correct dull
program material), while still preventing exaggerated frequency balances and exces-
sive HF density. Dense, medium, and open refer to the compression density, which is
determined by the release time settings in the AGC and multiband limiter sections.
These presets are appropriate for general rock and contemporary programming. All
of these presets have distortion control implemented at their nominal levels of L -
ESS
M to ensure clean speech. At high L -M levels the distortion control may be
ORE ESS ORE
relaxed somewhat to increase bass punch.
ROCK-LIGHT has an open sound with little audible compression and less brightness
than the first three presets. It is a compromise between ROCK-OPEN and ROCK-
SOFT.
ROCK-SOFT has a mellow, easy-to-listen-to high frequency quality that is designed
for female-skewing formats. It is also a candidate for "Quiet Storm" and "Love
Songs" light rock or light urban formats.