Question on details of equalization process: algorithm

Hi Audacity Team,

This is a continuation of a question posted by Matt Brubeck from 2004-05-05.

I am on Windows 7, using Audacity version 2.1.3. I need to correct for the
frequency response of my hydrophone and my data are in .wav format. I am
using the Equalization effect and have an equalization curve that was
created by the person who calibrated the hydrophone in the correct XML
format. I've applied the equalization without a problem.

I have been asked to provide the details of the Audacity filter that was
used and have searched the online help and forum as best as I can. To the
best of my knowledge (from the Brubeck thread), a Hanning window with FFT
of 4001 (default) was applied, and possibly a B-spline interpolation method
was used? Is there any way for me to confirm this, or find out the details
of how Audacity equalizes a file?

Thanks,

Annamaria

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