Diffuse sound field synthesis: Ideal source layers

Open Access

Figure 5

Sectoral intensity $\frac{d I_{u}}{dΩ} = \frac{1}{\cos ϕ}$ $\frac{\mathrm{d}{I}_{\mathrm{u}}}{\mathrm{d\Omega }}=\frac{1}{\mathrm{cos}\phi }$ to assess isotropy for the 2D circle/3D sphere case (solid) and the 2D parallel line and 3D parallel plane cases (dashed) across observation angle enclosed with the axis of a radial shift of 0% (green), 71% (orange), 87% (blue) of the observer.

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