Dear Friends and Colleagues Last month, 4dNoise was invited by the University of Hong Kong (HKU) to share our experience of doing business to a class of master’s students studying urban planning. One of their key interests was what advantages Hong Kong could offer to talents from the local Greater Bay Area (GBA), regionally and … Continue reading 4dNoise Business Letter 2019B
Dear Friends and Colleagues Stepping into 2019, we have refurbished our 4dNoise website to make it more user friendly and include more useful information. One of the key features we would like to highlight is the newly added LIVE session, where you can see a number of live demos of intelligent sensing systems in operation. At this stage, we … Continue reading 4dNoise Business Letter 2019A
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
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
SoundPLAN supports and complies with changes that have been proposed to ISO/TR 17534-3:2015, (https://www.iso.org/standard/66128.html), relating to acoustics software for the implementation of standards associated with the calculation of sound outdoors. Additional recommendations have been proposed for the calculation method of ISO 9613‑2. This International Standard ISO 9613-2 outlines the measures necessary to ensure a high … Continue reading SoundPLAN supports proposals to ISO/TR 17534-3:2015 and ISO 9613-2
SoundPLAN 8.0 is coming soon! Existing customers with current U+M can be the first to experience this new release and enjoy the benefits it bring! To obtain a demo DVD of SoundPLAN 8.0, sign up here today.
Recently a worker got stung by a swarm of bees during his inspection work at a transmission tower near Shing Mun Reservoir. He had already lost his consciousness when he was rushed to the hospital. Transmission tower inspection is essential in tower maintenance yet can be a dangerous job: it involves tower climbing and subjects … Continue reading Acoustic Camera to improve efficiency of transmission tower inspection
A newly built office complex is designed with glass facades between the offices and the hallway. The glass facades include a glass door. Although the glass structures themselves have a sufficient sound reduction value, the sound insulation between office and hallway was measured at 19 dB, which was far below the sound insulation criteria for … Continue reading Filming Sound Leakages in Highly Reflective Office Environment