Articles tagged “sound level meter”
5 articles covering sound level meter in acoustic engineering and building design.
What is a Sound Level Meter? The Essential Tool for Acoustic Measurement
A sound level meter (SLM) measures sound pressure level in decibels. Learn how SLMs work, the difference between Class 1 and Class 2, weighting curves, and when you need one for acoustic design.
What is Acoustic Calibration? Ensuring Measurement Accuracy
Acoustic calibration adjusts a measurement system to a known reference level. Learn why calibration matters, how calibrators work, IEC 60942 requirements, and field calibration procedures.
Free Noise Level Measurement Log — ISO 1996 Compliant Field Sheet (PDF)
Download a free ISO 1996 compliant noise measurement log. Covers LAeq, LAmax, LA90, octave-band levels, equipment records, Lden calculation, and field notes for noise surveys.
Acoustic Field Measurement Guide — RT60, STI, BGN With Real Equipment
A practical field measurement guide for RT60, STI, and background noise — covering equipment selection (Brüel & Kjær, NTi Audio, Norsonic), measurement methodology per ISO 3382-2:2008, IEC 60268-16:2020, and ISO 1996, source and receiver positioning, number of measurements required, data processing, report writing, and a worked example measuring a 200 m² open plan office.
How to Measure Room Acoustics: Equipment, Methods, and What the Numbers Mean
Measuring room acoustics requires a sound source, a microphone, and analysis software — but the method you choose determines whether your results are valid. Here is a practical guide to acoustic measurement: from balloon pops to dodecahedron speakers, from smartphone apps to ISO 3382-compliant equipment.