Nor1255-CLASS-1-CALIBRATOR-NORSONIC-4DNOISE-ZCCK

NEW! Class 1 Sound Calibrator Nor1255

Nor1255 replaces the well-known Nor1251. Nor1255 is a small battery-operated precision class 1 microphone calibrator generating 114 dB @ 1k Hz conforming to IEC 60942 and ANSI S1.40. The Nor1255 uses the same reference microphone and design principle as the more sophisticated version Nor1256. The Nor1255 replaces the well-known Nor1251 sound calibrator that was the … Continue reading NEW! Class 1 Sound Calibrator Nor1255

Norsonic-Acoustic-Camera-release-3-4dnoise-zcck

New Norsonic Acoustic Camera Software Released Version 3.0

We are releasing a new software version for the Acoustic Camera. Whats new? Added hardware support Hextile and Multitile (triple-Hextile) Added support for custom ArrayGroups with templates for hexagonal Added new low threshold slider to hide noise in recordings Added possibility to have large dynamic range plotted via the contour plotting Added export of scene … Continue reading New Norsonic Acoustic Camera Software Released Version 3.0

airflow resistance measuring system nor1504A

4dNoise Introduces Next Generation Acoustic Calibration System to Hong Kong in Meeting Local Relevant Requirements

4dNoise gladly introduces the next generation acoustic calibration system of Norsonic to Hong Kong with said calibration system designed to meet all the local requirements and international standards. It is a system that provides quick and accurate calibration of instruments for measuring sounds through three varying modes. Apart from the different modes, the system also … Continue reading 4dNoise Introduces Next Generation Acoustic Calibration System to Hong Kong in Meeting Local Relevant Requirements

Calculation of Speech Transmission Index in Rooms

Sufficient acoustic quality of speech communication is very important in many different situations and places. The most known available objective method for measurement and prediction of speech intelligibility is the Speech Transmission Index (STI), described in the international standards IEC 60268-16 and ISO 9921. A new application note on how to perform correct predictions in … Continue reading Calculation of Speech Transmission Index in Rooms