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Science > Acoustics 
audible range
Science; Acoustics
The human ear can respond to minute pressure variations in the air if they are in the frequency range, roughly 20 Hz - 20 kHz.
critical band
Science; Acoustics
The human ear combines sounds of similar frequency into frequency bands, called 'critical bands'. Zwicker divided the audio spectrum into 24 critical bands and named the units ...
over-range
Science; Acoustics
The input to the sound level meter is too high for the current measurement range. Change the range.
under-range
Science; Acoustics
The input to the sound level meter is too low for the current measurement range. Change the range.
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