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ULTRA-Q PRO PEQ2200
7.1 Effects of equalization on voice program
Center frequency (Hz)
1/3 octave
Effect on voice
40 to 125
Sense of power in some outstanding bass singers.
160 to 250
Voice fundamentals.
315 to 500
Important for voice quality.
630 to 1k
Important for voice naturalness. Too much boost in the 315 to 1 kHz
range produces a telephone-like quality.
1.25k to 4k
Voice
fricatives-accentuation
of
vocals.
Important
to
speech
intelligibility. Too much boost between 2 and 4 kHz can mask certain
speech sounds e.g. "m", "b", and "v" can become indistinguishable.
Too much boost anywhere between 1 and 4 kHz can produce
"listening fatigue". Vocals can be highlighted by slightly boosting the
vocal at 3 kHz and at the same time slightly dipping the instruments
at the same frequency.
5k to 8k
Accentuation of voice. The range from 1.25 to 8 kHz governs the
clarity of voice.
10k to 16k
Too much boost causes sibilance.
Tab. 7.1: Effects of equalization on voice reproduction
7. EQUALIZERS AS CREATIVE AUDIO TOOLS