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. Author manuscript; available in PMC: 2016 Nov 9.
Published in final edited form as: J Acoust Soc Am. 2016 Oct;140(4):EL327. doi: 10.1121/1.4964639

Figure 1.

Figure 1

(a). SPLnFFT app using iMM-6 microphones compared to ½” Larson-Davis 2559 random incidence type 1 microphone (left), Figure 1(b) test setup at NIOSH acoustic test chamber (top right), Figure 1(c) SoundMeter app using i436 microphones and Larson-Davis SLM 83 (bottom right).