Acoustic energy is the energy carried by sound waves as they travel through different mediums, such as air, water, or solids. It is produced when an object vibrates, creating pressure waves that move through the surrounding medium. These vibrations can be generated by various sources, including musical instruments, voices, and machinery. When sound waves propagate, they transfer energy from one location to another, allowing us to hear sounds. The intensity and frequency of these waves determine the loudness and pitch of the sound. Understanding acoustic energy is essential in fields like music, engineering, and environmental science.