Sound Level Monitoring News

  • Keep building acoustic insulation up to standard

    Ensuring room acoustics meet the latest ISO 16283-1:2014 standard is much easier for architects, developers and acousticians with Brüel & Kjær's Qualifier™ Type 7830 software. To ensure the interior sound quality of buildings is fit for purpose, such as ensuring low background noise in recording studios, concert halls or schools, developers must test the insulation ...

  • Complete Test Solution for Loudspeaker QC

    For manual or automatic quality control of loudspeakers, NTi Audio offers a complete and compact solution. The recently-introduced FX-SIP Amplifier & Impedance Measuring Module is the core of the new system. This module is built in to the FLEXUS FX100 Audio Analyzer and requires no external power amplifier to run the tests. Simply plug in an M2010 measurement microphone ...


    By NTi Audio AG

  • Virtually drive automotive CAE models

    With the latest Noise Vibration Harshness (NVH) simulator applications, non-experts and experts alike can experience the consequences of component design decisions by driving an authentic simulation. The fully immersive experience provided by a driving simulator gives a proper context to experience driving sounds in, which affects the evaluations people make. This realistic simulation also ...

  • Sound level meter post-processing software improves support of the latest standards

    Brüel & Kjær’s Measurement Partner Suite post-processing software and Type 2250 family of sound level meters have been updated to make measuring sound and vibration easier for environmental consultants. Key enhancements include: ·        Support of ISO 1996:2007 measurement uncertainty ...

  • New Turntable for Measurement of Sound Directional Characteristics

    To effortlessly determine the directional characteristics of microphones, small loudspeakers and portable devices NTi Audio presents the TT01 turntable. The precise turntable mechanism produces definitive results from a choice of recording methods and configurations. Pre-configured microphone and loudspeaker test software packages drive the turntable via USB, while an intuitive programming ...


    By NTi Audio AG

  • Professional Verification of Voice Evacuation Systems

    Voice evacuation systems can save lives in an emergency. The correct installation and periodic functional testing of such systems are therefore essential. The NTi Audio TalkBox and XL2 Sound Level Meter with the new extended background noise correction are instruments designed for this purpose. The XL2 Sound Level Meter also considers, in real-time, the effect of background noise on ...


    By NTi Audio AG

  • Brüel & Kjær acquires long-term, strategic partner Sound Answers

    Brüel & Kjær Sound & Vibration Measurement A/S has announced its acquisition of engineering services company, Sound Answers, Inc on 18th November, consolidating itself as solution and engineering services provider. The two companies have been strategic partners for nine years and have a well-established relationship as well as a long track record of ...

  • Cirrus Welcomes New Engineering Director

    Cirrus Research’s Steve O’Rourke is stepping down as Director after an impressive 23 years with the company. Steve joined Cirrus Research in 1992 and has been involved with all sound level meter and noise dosimeter developments since that time – making major contributions to the development and success of the  ...


    By Cirrus Research plc

  • Microsoft breaks record for quietest place on earth

    Microsoft® has broken a Guinness World Record to become officially recognised as home to the quietest room on Earth. Staff at the company’s Redmond, Washington campus in the USA, beat the standing record of minus 13 dB(A), earlier this month, after the company’s anechoic chamber proved to have an ambient background noise level as low as minus 20 dB(A). Tests were carried out with ...

  • Columbia Weather adds Snow Level just in time for winter weather monitoring

    Just in time for winter preparations, Columbia Weather Systems has added a Snow Level Sensor to the sensor options for the proprietary Weather MicroServer. This feature has been added by customer request and can be used with any CWS model weather station. The sensor is installed with an Orion Weather ...

  • SULPHUR 2015 – 31st international conference & Exhibition 9- 12. November in Toronto, Canada

    As a complement to the advanced Tunable Diode Gas analyzers from NEO Monitors, Novatech will also have on display a LiquiSonic liquid concentration analyzer from SensoTech.  Be measuring the speed of sound in a liquid, the SensoTech analyzer can analyze a range of industrial mixtures, includingsulphuric acid in the critical 90-100% range (and even into oleum). ...


    By NEO Monitors AS

  • Advanced RT60 Reverb Measurement with the XL2

    The XL2 is a precise and reliable RT60 measurement instrument. In addition to the T20 calculation, the XL2 Sound Level Meter now measures reverberation time using the T30 method. This enhancement is in line with the current ISO3382 standard and is free for all XL2 customers. A reverberation time RT60 measurement represents the time taken for the sound level in a room to drop by 60 dB, ...


    By NTi Audio AG

  • Audio & Acoustic Seminar in Japan

    NTi Japan was privileged to present the XL2 Acoustic Analyzer to more than 70 sound engineers at Sound Festa in Osaka on 24th June 2015. The engineers learned how a high-quality sound reproduction can be achieved. In this seminar on “Audio & Acoustic measurement with Handheld Analyzer“, NTi Japan CEO, Tatsuya Okayasu covered practical applications on sound reproduction. Okayasu ...


    By NTi Audio AG

  • XL2 Sound Level Meter – just turn it on!

    The XL2 Sound Level Meter is renowned for providing precise measurements through a simple user interface. Now it just got better. The newly-available "Locked Run" mode of operation means that the XL2 only has to be switched on for measurements to happen automatically. To further ensure continuation of sound level logging, all keys on the device are locked. Sound level measurements ...


    By NTi Audio AG

  • Low Frequency Noise – the XL2 now offers a valuable toolbox for effective assessment

    The Data Explorer PC software for the XL2 Sound Level Meter now includes a series of professional tools for detailed analysis of low-frequency noise (LFN). The graphical representation of time varying frequency components offers an efficient process for identifying the presence and level of LFN. Also the associated high quality audio recording supports further correlation with the objective ...


    By NTi Audio AG

  • Urban Noise Monitoring with the Invictus Noise Monitors

    The monitoring of boundary noise levels in urban locations is a high priority as the background noise levels in these environments are potentially already high. When working on new developments in urban locations situated near residents you are responsible for maintaining your noise levels within acceptable limits Monitoring and maintaining acceptable noise levels in urban environments can be a ...


    By Cirrus Environmental

  • Noise Barrier efficiency calculations now identify imperfect barriers

    Brüel & Kjær today announced its Predictor-LimA noise mapping and prediction software now automatically calculates noise barrier efficiency to identify inadequate barrier performance. In addition, by modelling how well a noise barrier performs along the transmission loss spectrum, acoustic experts can more easily identify the most effective noise barrier for a specific ...

  • 7th award for DUO Smart Noise Monitor

    After France, Germany, Switzerland, Portugal, China and Austria, it’s time for Spain to acknowledge the metrological qualities of 01dB ...


    By ACOEM

  • New Method provides Direct SI Traceability for Sound Pressure

    Accurate measurements of airborne sound are needed for a range of regulatory, health and safety, and commercial applications, from monitoring environmental noise to testing the performance of acoustic devices. To ensure reliable measurements of sound pressure, microphones must be regularly calibrated by measuring their sensitivity over a certain frequency range. Currently, the most accurate ...

  • Alder acquires Gasmet Technologies Oy

    Gasmet Technologies Oy (Gasmet), one of the world’s leading manufacturers of gas monitoring equipment, is a technology innovator within the environmental instrumentation sector. The company’s products are employed globally in regulatory monitoring, process control and environmental/safety applications by some of the world’s major organisations. With ambitious growth plans, ...


    By Gasmet Technologies Oy

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