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Obliquely Truncated Simple Horns: Idealized Models for Vertebrate Pinnae

Fletcher, Neville H.; Thwaites, Suszanne


The acoustical behaV:iour of simple horns of parabolic, conical and exponential profile is analyzed and explicit expressions are given for the impedance coefficients Zii. Wavefront curvature effects are included and the discussion is extended to investigate the effect of oblique truncation, which gives the horn a shape closely similar to that of a typical vertebrate pinna. The effects of higher modes.are discussed qualitatively and the conditions under which these can be neglected are...[Show more]

CollectionsANU Research Publications
Date published: 1988
Type: Journal article
Source: Acta Acustica united with Acustica
Access Rights: Open Access


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