2019 Version of KOF's FREE Audiometric App for Windows Users
If you are trying to verify the accuracy and usefulness of manufacturer-predicted REAR Values in Hearing Aid fitting. You can also see it as helpful.
And it is FREE.
Sennheiser HD4.40BT EQ to Sennheiser HD580 1999 precision by Zhihu MaiWenxue / laomai
This method is giving you THE FINAL result that is actually rendered in your brain. i.e. THE brain EQ curve.
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