MULTI-PURPOSED AUDIBLE APPARATUS FOR CANCELING USER'S VOICE

摘要

The present invention relates to a multipurpose audible apparatus for blocking an original sound. Firstly, a users voice (original sound) is blocked. The original sound leaked to the outside is removed by generating a white noise and a sound wave output opposite to the users voice (original sound) in a first speaker and a second speaker. So, the multipurpose audible apparatus can make a call without disturbing peoples in public places because peoples can not hear the users voice. The security of the call of a user can be secured. The privacy of the user can be protected. The multipurpose audible apparatus can be used for language learning for a repeated pronunciation practice.