Optimisation of the spatial configuration of microphones for robust virtual sensing in a diffuse sound field

Topical Issue - Modern approaches to Active Control of Sound and Vibration

Open Access

Figure 1.

Block diagram of a remote microphone virtual sensing system. An observation filter, $\hat{O}$ $Mathematical equation: $ \hat{{\boldsymbol O}} $$ , is used to acquire an estimate, ${\hat{d}}_{e}$ $Mathematical equation: $ \hat{{\boldsymbol d}}_{\mathrm{e}} $$ , of the sound field at the error microphones, d_e, from the signals measured at the monitoring microphones d_m.

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