Mutitype EQ Unit Filter Types - kAUNBandEQFilterType_Parametric - What Order?
Mutitype EQ Unit Filter Types - kAUNBandEQFilterType_Parametric - What Order?
- Subject: Mutitype EQ Unit Filter Types - kAUNBandEQFilterType_Parametric - What Order?
- From: Lucas Goossen <email@hidden>
- Date: Sat, 06 Jul 2013 08:31:06 -0500
| Hi, In the documentation about the Mutitype EQ Unit it says that we can set it to several different kinds of filters.
In the section Mutitype EQ Unit Filter Types there is the following description for Parametric.
kAUNBandEQFilterType_ParametricParametric filter based on the Butterworth analog prototype. Uses parameterization where the bandwidth is specified as the relationship of the upper band edge frequency to the lower band edge frequency in octaves, where the upper and lower band edge frequencies are the respective frequencies above and below the center frequency at which the gain is equal to half the peak gain.
Note that Butterworth is used.
My question is what order Butterworth is used with the Parametric type?
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