Motor noise refers to the unwanted sound produced by electric motors during operation. This noise can result from various factors, including mechanical vibrations, electrical imbalances, and the interaction of moving parts. It is often measured in decibels (dB) and can vary depending on the motor's design and load conditions. Reducing motor noise is important for improving the overall performance and comfort of machines and devices. Techniques such as using sound-dampening materials, optimizing motor design, and maintaining proper alignment can help minimize this noise. Addressing motor noise is particularly relevant in applications like home appliances, industrial machinery, and electric vehicles.