Figure 1.
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Trumpet directivity at 2000 Hz and flute directivity at 630 Hz, truncated at different spherical harmonics orders (1, 2, 4, and 15), obtained from the BYU directivity database [27]. (a) Trumpet directivity at 2000 Hz, truncated at different spherical harmonics orders. (b) Flute directivity at 630 Hz, truncated at different spherical harmonics orders.
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