Rectangular-Windowed Oboe Recording

Figure 3.16a shows a segment of two quasi periods from an oboe recording at the pitch C4, and Fig.3.16b shows the corresponding FFT magnitude. The window length was set to the next integer greater than twice the period length in samples. The FFT size was set to the next power of 2 which was at least five times the window length (for a minimum zero-padding factor of 5). The complete Matlab script is listed in §F.2.5.

Figure 3.16: (a) Rectangularly windowed segment of two periods from the steady state portion of an oboe recording of pitch `C4'. (b) Zero-padded FFT magnitude.
\includegraphics[width=\twidth]{eps/oboeboxcar}


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Power-of-Cosine Window Family