HOW to get MFCC from an FFT on a signal?

SHORT AND SIMPLE: What are the steps that are involved to get an MFCC from an FFT. DETAILED: I'm working on a drum application to classify sounds. Its a matching application for the iPhone with the openframeworks library for sound processing, the idea is to return the name of the note that you play on the loud Indian drum (known as the Dhol) - only a few notes are playable. I've implemented the FF

[aidiary]

MFCCの抽出方法、メルフィルタバンクの作り方