sound level meter Sound-level meters equivalent continuous sound pressure level English sound level meter English en:Sound level meter sound level meter Sound level meter sound level meter English en:Sound level meter sound level meter sound level meter SOUND LEVEL METER en:Sound level meter sound level meter English SPL meter equivalent continuous A-weighted sound pressure level English English sound level meter sound level meters http://en.wikipedia.org/wiki/Sound_level_meter English English Sound-level meters loudness meter English English dB(A) loudness meter Sound level meter Sound-level meters Sound-level meters English loudness meter decibel meters English https://en.wikipedia...#Frequency_weighting sound level meter English English Wikipedia says dB(A) loudness_meter English English sound level meter loudness meter SPL meter sound pressure meter dB(A) English meter to measure decibels English SPL meter equivalent continuous sound level