Related Terms: Leq, Sound level meter, Ldn, Peak, Sound pressure level, Spl, Rise time, Ambient noise level, Sound level, Dba, A-weighted sound level, Day-night average sound level, Rt60, Fall time, Decay, A-weighting, Spl meter, Delay , Amplitude, Sound intensity, Maximum demand, Period, Peak demand, Sound power level, Hearing threshold level, Decibels, Recovery time, Peak period, Interval, Noise level, Threshold, Decibel , Noise criteria, Phon, Load duration curve, Lag , Loudness, Reverberation time, Absolute time, Sone, Duration, Threshold of hearing, Pulse duration, Headroom, Off-peak period, Maximum temperature, Loudness control, Timer, Peak load