Audible distress signals what are they?

Audible distress signals are sounds or signals used to indicate an emergency or the need for help. Common examples include the SOS signal (three short blasts, three long blasts, and three short blasts) and specific sound patterns like a series of short blasts on a horn or whistle. These signals are crucial for alerting others to a situation requiring urgent assistance, particularly in maritime, aviation, and outdoor settings. Their distinct patterns are designed to be easily recognized, even in noisy environments.