IRIS mono

IRIS is a powerful and user-friendly measurement system for capturing and analysing room impulse responses .

IRIS mono is a standalone software package for single channel room-acoustic measurements, supporting standard soundcards.  IRIS mono is also included in the upcoming update of the full version of IRIS and is also developed by Marshall Day Acoustics.


  • Record and import single channel impulse response measurements
  • Analyse impulse responses according to ISO 3382 (Part 1 and 2)
  • Sound strength „G“ calibration and measurement
  • Speech Intelligibility Index (indirect method) measurement according to IEC 60268-16 ed. 4
  • Automatic source-receiver distance measurement using a loopback connection

More informations, information to the history of this measurement method and case studies are available on the official IRIS webpage.