Acoustic reflectometry is a non-invasive, time-domain method of identifying the geometry of an acoustical space. A sound pulse is injected into a space and the resulting impulse response details particular changes of impedance. In the present study, acoustic reflectometry is utilized to identify scattering junctions of geometric spaces. Most notably, the four most common types of scattering junctions are identified: a cross-sectional increase, cross-sectional decrease, L-intersection, and T-intersection.
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