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Subharmonic Synth Parameters
•
SUBHARMONIC SYNTH
[OFF, ON]
Turns the Subharmonic Synth module on and off.
•
SUBHARMONICS
[0% - 100%]
Sets the overall level of the sub-synth effect.
•
36-56 HZ LEVEL
[0% - 100%]
Adjusts how much of the sub-synth effect is added between the 36 Hz to 56 Hz region. If the sound becomes too
“woofy” or “growly”, try turning this parameter down. You may find that a certain setting produces fine results in one
room, but produces too much “boominess” in another. If this occurs, adjust the parameter as needed.
•
24-36 HZ LEVEL
[0% - 100%]
Adjusts how much of the sub-synth effect is added between the 24 Hz to 36 Hz region. If your woofers are bottoming
out (making a ticking or popping sound), turn this parameter down. Enhance this frequency region less than the 36-56
Hz region (as shown in the level meter screenshot on the previous page) for more natural bass roll-off. Experimentation
will pay off with smooth, full, deeply extended bass.
IMPORTANT!
The subharmonic synthesis process produces extremely low-frequency audio signals that some
speakers may not be designed to reproduce. Attempting to achieve enhanced bottom end with these systems may not be
possible and may result in over-stressing or even damaging your loudspeakers. It is generally not a good idea to use this
feature without a subwoofer. In any case, please refer to your subwoofer speakers’ frequency response specification, and
avoid forcing them to reproduce low frequencies that they are not designed to reproduce.
TIP:
If you experience low-frequency artifacts on a voice when using subharmonic synthesis, try engaging a high-pass
filter on the mixer’s vocal channel, adjusting the vocal channel’s EQ, or a combination thereof to reduce the artifacts. If
a high-pass filter and EQ are not enough, try lowering the overall amount of Subharmoic Synthesis applied to the signal
by adjusting the SUBHARMONICS parameter. Such artifacts can be completely eliminated by using an aux-fed sub
configuration and processing the aux-fed-sub chain independently with subharmonic synthesis. For more information on
aux-fed sub configurations, see
‘Application 3: Bi-Amplified Mains + Aux-Fed Subs’ on page 95
.
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