Acoustic sensors are devices that detect sound waves and convert them into electrical signals. They work by capturing vibrations in the air, which can be caused by various sources like music, voices, or machines. These sensors are commonly used in applications such as smartphones, hearing aids, and environmental monitoring to analyze sound patterns and improve user experiences. These sensors can also be used in security systems to detect unusual noises, like breaking glass or loud disturbances. By processing the sound data, acoustic sensors help in identifying potential threats and alerting users or authorities. Their ability to monitor sound makes them valuable in many fields, including healthcare and automotive technology.