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- The ability of a microphone to pickup very quiet sounds results in a higher sensitivity number.
- The ability for a speaker to produce a louder sound when fed the same amount of power as another speaker. The SPL output for a given input level (usually tested with 1 watt of input power with a test instrument 1 meter directly in front of the speaker).
- The ability of a wireless microphone receiver to pickup very weak RF signal levels. Source: Church Audio & Acoustics Glossary
- (agriculture) The effect of remolding on the shear strength of an undrained cohesive soil.
- (cancer) When referring to a medical test, sensitivity refers to the percentage of people who test positive for a specific disease among a group of people who have the disease. No test has 100% sensitivity because some people who have the disease will test negative for it (false negatives).