Technologies have become indispensable in our daily lives. Voice Search function of Artificial Intelligence (AI) is being even more common nowadays. As reported by Apple in 2018, Siri, that is the built-in voice-controlled personal assistant, reached over 300 million times of use every month. Apart from Apple, other brands also provide similar voice search assistants, many of the electronic product users have already got used to making use of this kind of software for searching.