4 Royalty-Free Audio Tracks for "Faster Alarm"

This sound was made in audacity using three rising sine waves at different frequencies which gets faster and faster. It can be looped to make an alarm.

Klaxon alarm alert space - faster than the first.

University collect of altered sounds collected from freesound. Org - if you find an altered sound that is from your collection you have my thanks!.

Xylophone clock sound, tune gets faster towards end as time runs out. [cc zero].