Quest Technologies introduces two products for the evaluation and certification of speech Intelligibility thru fire alarm, mass notification, and other PA systems. "The Verifier" is available as a standalone speech intelligibility meter and the Quest SoundPro Integrating Sound Level Meter Models SE and DL feature the ability to measure and report speech intelligibility in STI-PA and CIS formats. Acoustic spectral curves are also included with the speech Iintelligibility package on SoundPro Models SE and DL. Acoustic spectral curves are a way to evaluate the quality of noise in new and existing buildings. The sound curve options support captured curves, NC curves, PNC curves, NCB curves, NR curves and RC curves.
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