Answer:
Noise
Step-by-step explanation:
Noise is defined as any factor that interrupts communication process. It is anything that distracts the reader or listener from comprehending a message that is been passed across. It serves as a barrier to the communication process. In this case, the barrier to communication for the reader is a loud sound which is a factor of noise. Noise can either be a physical sound like in this case or a mental disturbance coming from the brain.