An instrument for measuring the level of sound pressure in DECIBELs. Such measurements are called sound level readings. See: SOUND LEVEL. Sound level meters usually ...

Given its appearance in one form or another in all but the cheapest audio ... meter. Source: Hoyt Meter The scale to the left of the zero point is generally in black, with a value of -20 dB ...

SPL may be measured with a SOUND LEVEL METER weighted according to a specific frequency ... Two SPL measurements in decibels may be combined with the aid of the following chart. The difference in ...