The audio titled ""Attention Tone 30 Seconds Duration"" is a resonating sound that commands attention, typically heard in public spaces. The tone starts with a clear 'ding' followed by an echoing 'dong'. The sound is reminiscent of the tones one might hear over an intercom system in places like hospitals, malls, or airports. It lasts for a full 30 seconds, giving ample time for its listeners to tune in. The tone is amplified to reach every nook and corner of the space, ensuring that it garners the attention of everyone present.