An Alternative Approach to the Balanced Model Truncation Algorithm for Acoustic Minimum-Phase Inverse Filters Order Reduction

<table>IIR filter spectral reproduction obtained by the standard method for <svg height="11.0375" id="M149" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 35.799999 11.0375" width="35.799999" xmlns="http://www.w3.org/2000/svg">
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</svg> as compared to that of the transformed IIR (delivered by the alternative method for <svg height="11.0375" id="M150" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 35.799999 11.0375" width="35.799999" xmlns="http://www.w3.org/2000/svg">
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</svg>) to FIR sequence—(a) Magnitude, (b) Phase, (c) Magnitude error, and (d) Phase error.</table>

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Figure 5

Figure 5: An Alternative Approach to the Balanced Model Truncation Algorithm for Acoustic Minimum-Phase Inverse Filters Order Reduction 