An omnidirectional microphone is put within each ear. The fundamental concept behind this was to recreate the characteristics of human hearing range. The Neumann KU 100 (figure1) is an example of a dummy head microphone since it is deliberately and analytically designed to mimic a human head, taking into account size, shape, ears, and face anatomy (Korff, 2021).
(Figure 1)
Kjaer & Bruel, the Danish measuring specialists, take this a step further with their HATS (Head and Torso simulation) series (figure 2) for more realism, an artificial Torso is paired with a dummy head, which includes shoulders, chest, and other components that aid in absorption, reflection, and resonance (Korff, 2021).
(Figure 2)
These above (figures 1 and 2) are excellent examples of dummy head microphone design, but they are too expensive. The 3Dio series is one of the most economical and low-cost microphones on the market today. The 3Dio series is designed as follows: on the bar (replacing the head), holding the microphones at a sufficient distance with a pair of silicon ears. The pricing ranges from a premium model like the FS Pro II ( figures 3 ) to a more cheap variant like the FS ( figures 4 ). The FS Pro II employs DPA (Danish Pro Audio) omni mics with XLR outputs, whereas the FS model is connected to a laptop or mobile phone through a mini jack. Instead of omni mics used in like the FS Pro II, FS uses less expensive electret capsules (Korff, 2021).
(Figure 3)
(Figure 4)
Bibliography
Korff, C., 2021. An Introduction To Binaural Recording. [online] Soundonsound.com. Available at: https://www.soundonsound.com/techniques/introduction-binaural-recording
[Accessed 19 May 2022].
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