Alesis M-EQ 230 User Manual page 10

Voice
Harmonica
Conga
Whether used to alter the timbre of an instrument, control
feedback, or improve speech intelligibility, it's important to know
what effect each portion of the frequency spectrum has on the
sound.
In summary, the frequency spectrum can be divided up into six
important sections.
FIGURE 6
AUDIO OCTAVE RANGES
FREQUENCY RANGE
16Hz to 60Hz
60Hz to 250Hz
250Hz to 2000Hz
2KHz to 4KHz
4KHz to 6KHz
6KHz to 16KHz
As with any signal processor, the M-EQ 230 should be used with
discretion since too much of a good thing can make the sound
worse instead of better.
help your sound a lot, remember that a little goes a long way.
If you're using the M-EQ 230 for tonal contour of an instrument or
voice, Figure 5 will help you zero in on the key frequencies of
some popular instruments.
Remember: The chart serves only as a starting point.
you must use your ears as a guide.
Fullness at 120Hz; Boominess at 200 to 240Hz; Presence at 5KHz;
Sibilance at 7.5KHz; Air at 12 to 15KHz
Fat at 240Hz, bite at 3-5kHz
Resonant ring at 200 to 240Hz; Presence and slap at 5KHz
WHEN USED PRODUCES
THIS EFFECT
sense of power,
felt more than heard
Fundamentals of rhythm
section, EQing can change
musical balance making it
fat or thin
Low order harmonics of
most musical instruments
Speech Recognition
Clarity and definition of
voices and instruments,
makes music seem closer to
listener, adding 6dB at 5KHz
makes entire mix seem 3dB
louder
Brilliance and clarity of sounds
Although it is a wonderful device and will
WHEN USED TOO MUCH
PRODUCES THIS EFFECT
makes music muddy
makes music boomy
telephone quality to music
500 to 1KHz horn-like,
1K to 2KHz tinny,
listening fatigue
3KHz listening fatigue,
lisping quality, "m", "v",
"b" indistiguishable
sibilance on vocals
sibilance, harshness on vocals
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Ultimately,