question Some parametric equalizers have frequencies above 20 kHz why?

C

Chenjerai

guest
What is the purpose of audio mastering parametric equalizers having frequency options over 20 kHz?

In reality, most humans can only discern sound in the 20 Hz to 20 kHz range.
 
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Ignore these guys i.e. @Sadzandiuraye @Queen @Munyaradzi Mafaro

There are some audio mastering engineers who like to use wide bells e.g. with a quality factor of Q 0.404 (3 octaves) Q 0.305 (3 ⅔ octaves) at 24 kHz to add shimmer or air to a song instead of using either a 6 dB/8va or a 12 dB/8va filter shelving filter. Although that will be slightly similar to using a 6 dB/8va at 10 kHz.

For example, and just to be a little bit technical for interest's sake check this out:

3 Octaves 12 dB/8va peak filter6 dB/8va shelf filter equivalent
1 dB Gain @ 22 kHz1.25 dB Gain @ 9.5 kHz
1 dB Gain @ 24 kHz1.25...

Tanonoka

initiate
Ignore these guys i.e. @Sadzandiuraye @Queen @Munyaradzi Mafaro

There are some audio mastering engineers who like to use wide bells e.g. with a quality factor of Q 0.404 (3 octaves) Q 0.305 (3 ⅔ octaves) at 24 kHz to add shimmer or air to a song instead of using either a 6 dB/8va or a 12 dB/8va filter shelving filter. Although that will be slightly similar to using a 6 dB/8va at 10 kHz.

For example, and just to be a little bit technical for interest's sake check this out:

3 Octaves 12 dB/8va peak filter6 dB/8va shelf filter equivalent
1 dB Gain @ 22 kHz1.25 dB Gain @ 9.5 kHz
1 dB Gain @ 24 kHz1.25 dB Gain @ 10 kHz
1 dB Gain @ 28 kHz1.25 dB Gain @ 12 kHz
 
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