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SUB HARMONIC SYNTHESIZER
This particular process, already introduced in the first part of the manual, isn't
actually related to the RMS compression one.
The Sub Harmonic Synthesizer is intended to be an "extra" process available to
the user there where the RMS Compressor is chosen for processing a source
addressed to a "background" use as in clubs or similar.
There, the possibility to have synthesized basses in order to extend the band
also when the musical program is poor of harmonics on the low frequencies,
can help in improving the quality of the background music and to gain a
"heavier" or more vibrant sound.
The Sub Harmonic Synthesizer is a process synthesizing the first lower harmonic
of the frequencies ranging from 40Hz to 500Hz, detected in the original signal.
This means that there where in the original signal are detected frequencies
from 40Hz to 500Hz, sub harmonics from 20Hz to 250Hz are generated.
Fig. F
As can be seen in the Fig F, however, the synthesized sub harmonics are not
generated in the low harmonics' band with the same amplitude, but with a Peak
on 65Hz and then with decreasing amplitude going up from 65Hz to 250Hz and
down to 20Hz.
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