Sensidyne: Microphone In Real Ear (MIRE) is a technique for assessing the noise sources placed in a short distance to a human ear, requiring dedicated measuring instrumentation. SV 25S microphone has been designed together with SV 102 dual-channel acoustic dosimeter to meet requirements of ISO 11904 and ANSI S12.42-1995 standards which specify methods for the determination of sound emissions from sources located close to the human ear. SV 25S microphone measures sound pressure level in the ear canal by means of different lengths of probes, easily controlled and placed in repeatable position.
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I found this overview of Microphone In Real Ear (MIRE) to be interesting, especially because “different persons exposed to the same sound have different sound pressure level results at their eardrums.” My understanding is that this allows for individual acoustic calibration to more effectively prevent hearing damage. While the safety aspect of this system (microphone and analyzer with octave analysis) is seemingly impressive, I am also excited by the potential for sound art applications. This is probably something that is a few years off, but I am imagining a scenario where all visitors to a sound art installation would be able to experience the work exactly as the artist intends.
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