Glossary definition of 'Pascal'
(Pa) The SI unit of pressure equal to one Newton per square metre.In acoustics, the dBSPL scale is referenced to an acoustic RMS pressure of 20µPa which roughly corresponds to the human threshold of hearing at 1kHz.
In acoustics, the dBSPL scale is referenced to an acoustic RMS pressure of 20µPa which roughly corresponds to the human threshold of hearing at 1kHz.
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