glassbreak

Glassbreak refers to the event of glass shattering or breaking, including the audible and physical consequences of a glass pane failing. The term is used in everyday language and specialized contexts such as security technology and audio production.

In security systems, glassbreak detectors detect the shattering of windows. They typically use acoustical sensors that capture the unique frequency and impulse pattern of glass break, or dual-technology sensors combining microphone input with vibration sensing. These devices are installed to trigger alarms when glass is broken.

Operational details: detection algorithms analyze features such as transient amplitude, spectrum, and energy distribution. Optimizations reduce false alarms from non-break events like doors slamming, heavy rain, or thunder; however false alerts can still occur. Installation considerations include glass type, size, mounting location, and environmental noise.

Other contexts: In film, theater, and music, glassbreak is used as a sound effect or technique. Foley artists may create glass-break sounds by breaking real glass or using synthetic materials.

Prevention and safety: laminated glass and security films can resist shattering. Safety standards and testing exist for glassbreak detectors, including Underwriters Laboratories standards.

See also: break-in, alarm, security engineering.