The goal of this research is to better understand the precise difference in acoustical output when the front head of a kick drum is ported, removed, or left on. In the studio and live settings, engineers may decide to remove the front head of a drum for microphone access, or because the drummer prefers it to be recorded a certain way. However, no formal study has ever measured how the drum propagates sound differently when the front head is on, off, or on with a dedicated port-hole. To conduct this experiment, a robotic actuator was constructed and multiple measurements were taken in BK Connect Software using an Acoustic Camera system by Brüel and Kjær. Data collected for this project was recorded in an anechoic chamber at the University of Hartford’s Acoustics Lab, and in the Hartt School’s Recording Studio Live Room. This paper documents the testing methods used to collect preliminary data and presents initial findings. This is an ongoing research project.
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