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Modeling of a Jecklin Disk for Stereophonic Recordings

G. McRobbie1
1University of the West of Scotland, Paisley, Renfrewshire, UK

Sound wave propagation about a Rockwool disk.

The Jecklin Disk is a sound absorbing disk placed between two omnidirectional microphones. It is used to recreate some of the frequency-response, time and amplitude variations human listeners’ experience, but in such a way that the recordings also produce a useable stereo image through loudspeakers. This paper presents a finite element model able to simulate the effects on sound propagation produced by a Jecklin disk. The simulated results matched experimental results giving the authors a strong standing for further work in this area.

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