Glossary

The NORAH glossary provides brief and clear explanations of technical terms and abbreviations. Can’t find the term you were looking for? Then simply get in touch with us via the contact form.

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Sound pressure level

The Sound pressure level is stated in decibels “dB (A)” and is a measure for the Loudness. The Decibel scale from 0 to 120 dB (A) reflects the range from the absolute threshold of hearing to the pain threshold.