Simon Fraser University6y
COMMUNITY NOISE EQUIVALENT LEVEL (CNEL)
The major difference is that CNEL can be measured using ordinary dBA readings (see SOUND LEVEL METER ... following chart for the CNEL scale (with approximate CNR and NEF values). Community has had ...
T37mon
Loop Quiet 2 Plus review: Loop’s most comfortable fit has the highest noise reduction levels to date
Which brings me on to the 27 dB of noise reduction – the highest level offered by any of Loop ... wonderful world of wellbeing for many of the UK’s top magazines, newspapers and digital ...