No, it is not possible for a single person to make a sound that can be heard all around the world. Sound travels through the air as a wave, and it gradually loses intensity and becomes less audible as it spreads out. Additionally, various factors such as distance, obstacles, and atmospheric conditions can affect the propagation of sound. Even extremely loud sounds, such as those produced by powerful explosions or volcanic eruptions, can only be heard within a certain range.
To communicate or transmit sound over long distances, we rely on technologies such as telecommunications networks, satellites, or other means of audio transmission. These methods allow us to transmit sound signals across vast distances, but they involve complex infrastructure and systems beyond the capabilities of an individual.