Sound an Alarm [SEP] country of origin
Sound an Alarm
Sound an Alarm is a 1962 documentary about the role of the Royal Observer Corps during the event of a nuclear attack on the United Kingdom. It was also made in 1971.
The film identified as Sound an Alarm 1962 is wrongly identified. Its actual title was The Hole in the Ground. It is mistakenly identified because this version is missing the title frame, and the name is taken from the final credits and the motto of the United Kingdom Warning and Monitoring Organisation.
See also.
to prevent individuals with photosensitive epilepsy from potentially experiencing seizures due to unsynchronized strobes.
Voice evacuation.
Voice evacuation systems (also called Voice Alarm Systems) have become popular in most countries. Voice evacuation alarms typically are not as loud as horns or bells (although generally standards require the same minimum sound pressure levels), and usually sound an alarm tone (typically a slow whoop, code-3, or chime tone, although this depends on the country and particular application) and a voice message warning that an emergency has been