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Figure 3.18a shows a segment of six quasi periods from the
same oboe recording as in Fig.3.16 multiplied by a
Blackman window, and Fig.3.18b shows the
corresponding zero-padded FFT magnitude data. The lower side lobes of
the Blackman window significantly improve over the Hamming-window
results at high frequencies.
Figure 3.18:
(a) Blackman-windowed segment
of six periods from the steady state portion of an oboe recording
of pitch `C4'. (b) Zero-padded FFT magnitude.
![\includegraphics[width=\twidth]{eps/oboeblackman}](img432.png) |
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