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
You are cordially invited to attend the seminar on Acoustic Calibration System And Practices in Norway. November 16, 2015 (9:30am-4:30pm) Supreme Acoustics Meeting Room Unit 3915, 39/F Hong Kong Plaza, 188 Connaught Road West, Hong Kong (MTR HKU Station Exit B2) Speaker: Mr Carlsen Thor of Norsonic Calibration Laboratory (Accredited by Norwegian Accreditation for … Continue reading Seminar on Acoustic Calibration System and Practices in Norway
SoundPLAN version 7.4 is ready for you! Every SoundPLAN user with a new license (less than 12 months old) or with Update & Maintenance services will receive a DVD for a free upgrade. What's New in SoundPLAN 7.4? 2D, 3D directivity re-designed Buildings can now float and allow noise to pass underneath Import of picture … Continue reading SoundPLAN 7.4 is ready for you! What’s New in SP7.4?
A new product catalogue is now available for downloading on 4dnoise.com
Source Types Wind Turbines For industrial noise calculations, SoundPLAN offers point, line and area sources and an industrial building. Sources can be mid-frequency, octave bands or third octave bands. The ranges can be between 25 Hz and 20 kHz. The industrial building allows for the simulation inside as well as the transmission through the outside … Continue reading New in SoundPLAN 7.4: dedicated Wind Turbine with entry and calculation according to ISO and UK IOA model
Some of our most frequently-asked questions: What is in the box? SoundBadge is delivered with a rubber bumper case, a shoulder mounting strap, calibration coupler, USB lead for download and charging, manual, and soundViewer software Where is the latest manual? Version 2.05 – Download here How do I calibrate my soundBadge? soundBadge is calibrated with … Continue reading soundBadge FAQ
A conference hotel in Norway is using modular walls to divide large halls into several smaller conference rooms. The rooms are divided by modular walls that provide several different opportunities for subdivision and multipurpose use of the large area spaces. When measuring the sound insulation between adjacent rooms through the modular walls, the resulting value … Continue reading Finding Acoustical Weak Points in Room Dividing Modular Walls
A large LNG gas facility (approximately 300m x 150m) producing 300 000 tons of LNG annually is situated in a terminal area with the nearest populated area at a distance of around 1 km. Within the gas production facility, a low frequency tonal noise at around 500 Hz is generated causing complaints from nearby neighbours. The tone imposes a more stringent … Continue reading Identifying Low-Frequency Tonal Noise at an LNG Gas Terminal