Aural masking

urn:mrn:iala:dic:3-1-0210

1. The process by which the threshold of audibility for one sound is raised by the presence of another (masking) sound.

2. The amount by which the threshold of audibility of a sound is raised by the presence of another (masking) sound. The unit customarily used is the decibel.

Reference: ANSI

Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)

English

International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM