I'm using a Bruel and Kjaer 2209 sound level meter to take some measurements, but I don't have the manual. Does anyone know what the difference between 'peak' and 'impulse' is? Also, the SLM has six weighting networks, 'A', 'B', 'C', 'D', 'lin' and the external filter. I know only generally what...
Hi, sorry I wanted to delve into the detail of the design, and in fact, I did, but somehow both of my original posts (that were very long) got lost--I don't know how. I wanted to make sure that at least _something_ made its way to this forum (so I posted a very obscure question).
Anyway, now...
does any one know what good soundproofing materials there are for structurebourne noise? I'm having trouble with something that's too loud.
thanks,
joe