Earphone with ANC automatically blocking function and method for controlling the same

An earphone with an Active Noise Control (ANC) automatic blocking function comprising:

• a danger occurrence notification sound information registration unit registering and storing unique sound information of a danger occurrence notification sound certified by a public institution;
• an external sound recognition unit recognizing an external sound during operation of an ANC function;
• a sound information comparison analysis unit comparing sound information recognized by the external sound recognition unit with sound information registered in the danger occurrence notification sound information registration unit and analyzing and determining whether matching sound information exists;
• and
• an ANC function maintaining and blocking controller blocking the ANC function immediately when it is determined from an analysis result of the sound information comparison analysis unit that there exists sound information matching the sound information recognized by the external sound recognition unit,
• wherein the sound information comparison analysis unit sets a magnitude of a setting value for maintaining and blocking the ANC function differently by entering volume and genre information of a sound currently output through an earphone;
• age and hearing capability information of an earphone user;
• residential environment information;
• brainwave information to a danger occurrence notification sound to which the user responds;
• and health status information,
• wherein the danger occurrence notification sound information registration unit, the external sound recognition unit, and the sound information comparison analysis unit are each implemented by hardware, software, or a combination thereof.