STIPA Option

The XL3 Analyzer, with the STIPA Option installed, measures the speech intelligibility according to the latest revision of standard IEC 60268-16:2020 (edition 5) and older editions. It offers ambient noise correction and automated averaging for repeated measurements. The XL3 displays the speech transmission index (STI) and the common intelligibility scale (CIS), accompanied by the individual levels and modulation indices of the seven octave bands.

Supported standards:

• AS 1670.4
• CEN/TS 54-32:2015
• DIN EN 50849:2017
• IEC 60268-16
• ISO 3382-3
• ISO 7240-19:2007
• VDE V 0833-4-32:2016
• VDE 0828-1:2017-11

NTi Audio #:

• XL3 STIPA Option: 600 000 712
• XL3 STIPA 365 Option: 600 000 725
  (annual subscription service)