Audio Key Finding Using Faceg: Fuzzy Analysis with the Ceg Algorithm
نویسندگان
چکیده
Our key finding system consists of a series of O(n) realtime algorithms for determining key from polyphonic audio. The system comprises of two main parts as shown in Figure 1 [1]. The first part (the upper dashed box) generates pitch class information from audio using the standard FFT and a fuzzy analysis technique. The second component (the lower dashed box) uses the pitch class information to determine the key using Chew’s Spiral Array model and Center of Effect Generator (CEG) key finding algorithm [2, 3]. A cleanup procedure uses key information to clarify the input
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Fuzzy Analysis in Pitch-Class Determination for Polyphonic Audio Key Finding
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