Combining multiple sparse measurements with reference data regularization to create spherical directivities applied to voice data

Open Access

Figure 6

Directivity results for the phoneme /a/ at the 400 Hz 1/3rd octave band using N = 15, λ = 1 and regularizing with (a) no reference dataset (b) reference dataset from [12]. (c) Reference dataset from [12]. (d) Median plane polar results.

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