National alert signal, test
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Civil siren of the "national alert signal", during tests on the first Wednesday of the month: 1 cycle of 5 periods (61 seconds).
This is a realistic montage made using this imperfect sound, so feel free to do the same to make your siren sound like what you have in mind: bigsoundbank.com/national-alert-signal-remalard-61-s3257.html
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How to download and/or use these sounds?
Right
$0.00 – Royalty‑Free (More information here)
While this sound is free here, it would typically cost around $7 elsewhere. Donations or merchandise purchases are appreciated.
Technical details
Duration: 01:46
UCS Category: Alarms / Siren (ALRMSirn)
Type: Alone sound
Channels: Monophonic
Conditions: Outdoor
Realism: Real
Sampling Rate: 48,000 Hz
Bit depth: 24 Bits
Equipment: SoundDevices MixPre-3 Recorder and Sennheiser ME66 Microphone
Author: Joseph SARDIN
Sound number: 3,258