Speech Transmission Index (STI) Testing Using the NTi XL2

Published in Audio Equipment

Audio Design BG adds a new member to its professional toolkit — the renowned XL2 audio spectrum analyzer.

With its advanced capabilities, Audio Design can now verify and evaluate all types of evacuation and voice‑alarm systems installed in production facilities, special-purpose buildings, stadiums, public venues, and shopping malls. The XL2 analyzer, combined with the MR‑PRO generator, provides a comprehensive range of services, including STI‑PA measurements, T30 reverberation time, integrated SPL metering, data logging, and more.

Our goal is to offer our customers the most accurate and advanced acoustic consultancy services.