AUParametricEQ filter type

Media Technologies Audio
Nadir OP
Created Jan ’17
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Hi all,


Does anybody know what kind of filter does AUParametricEQ use to perform signal equalization?


The description page is not very explicative:

https://developer.apple.com/reference/audiotoolbox/kaudiounitsubtype_parametriceq


Thank you

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theanalogkid OP
Jan ’17
Accepted Answer

The engineer who maintains that AU informed me that it is a biquad.

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AUParametricEQ filter type
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