Sound propagation indoors


– Noise-free IR Method (Aurora Plugins)



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4 – Noise-free IR Method (Aurora Plugins)

“Aurora Plugins Suite” can be used for a complete STI measurement, requiring four steps, as follows:


4.1 - Calibration


The calibrator is fitted over the microphone and a 1-minute recording of the 1kHz test signal at 94 dB is done.

Fig.14 –microphone calibration.



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