bn:17607112n
Noun Concept
Categories: Sirens, Aerophones, Sound production
EN
directional siren
EN
Directional siren refers to a siren with a bandwidth broader than 500 Hz-1.8 kHz that enables listeners to more quickly locate the source of the sound. Wikipedia
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EN
Directional siren refers to a siren with a bandwidth broader than 500 Hz-1.8 kHz that enables listeners to more quickly locate the source of the sound. Wikipedia
siren with a bandwidth broader than 500 Hz-1.8 kHz that enables listeners to more quickly locate the source of the sound Wikidata
IS A
HAS QUALITY
Wikipedia
Wikidata