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Showing Results For: Sound Sensors
Sound sensors are devices that monitor sound noises, such as traffic noises. They are analogue circuits that respond to the volume and sensitivity of sound. The device's diaphragm functions like metal and is sensitive to the power supply's noise. Adding more to its definition, a sound sensor is a device that converts audio waves into electrical ones.
These sensors have various advantages, including;
The most common type of these sensors is a condenser microphone, which produces an analogue signal. Its output is used to determine how loud a particular object is. A speaker can be heard by using a headset or a mobile phone. However, it is important to note that the noise level of the audio is not measured in frequency but a kHz-frequency.
Another high-frequency detection sensor (also known as an ultrasonic or ultrasound sound sensor) registers sound degrees at a particular time and place. Its ability to measure the sounds at an extremely high frequency is essential to protect against noise and acoustic damage. Moreover, it's often used in commercial automation and enterprise 4.0. Due to its wireless capability, it is easy to install and use. Its range of applications is endless.
The last type of sensor that works on the same principle as human ears is a velocity sensor or velocity microphone. The diaphragm on a microphone converts the vibrations in the air into electrical signals. In a sound sensor, the sound movement stimulates the coils on the sensor. Similarly, a vibrational frequency can be translated into voltage or current. A typical velocity microphone uses an electret microphone. It is a good choice for use in loud environments where loud noises might cause unwanted feedback.
