Discord is a voice and text chat platform widely used by gamers, streamers and online communities since its launch in 2015, and its mute and unmute tones have become part of everyday voice-chat etiquette. The sounds play automatically when a participant toggles their microphone, giving other listeners a clear audible cue without a spoken announcement. Clips of the toggle spread through streaming highlights, gaming montages and short-form videos, where creators reuse it as shorthand for going silent. Its familiarity keeps it useful, because viewers immediately understand the mute without needing any explanation.