BRAND : Greisinger
Compensation?of?the?background-noise?for?measuring?
sound-sources?in?the?fore-ground.?Weighting?of?the?
sound?level?via?two?weighting-fi?lters?according?to?the?IEC?
standard.?Assignation?of?the?max/min?value?during?one?
measuring?period.
Compensation?of?the?background-noise?for?measuring?
sound-sources?in?the?fore-ground.?Weighting?of?the?
sound?level?via?two?weighting-fi?lters?according?to?the?IEC?
standard.?Assignation?of?the?max/min?value?during?one?
measuring?period.