| 摘要 |
<p>PROBLEM TO BE SOLVED: To solve the problem that there is possibility that ambient noise such as traffic noise interferes with voice transmission information, and the voice transmission information causes noise pollution at an urban area.SOLUTION: In a voice computerization method, information is distributed in a form of an ultrasonic signal at a public space, the ultrasonic signal is acquired by a mobile phone (7) at the public space by using a microphone of the mobile phone, and the mobile phone converts the ultrasonic signal to voice information to output the voice information to a user (P).</p> |
