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This paper discusses a remote control system of home electrical appliances using speech recognition. It is very convenient system for not only visual-impaired people but also elderly people to control household appliances based on the speech commands. The goal of our system is that the many kinds of household appliances such as television, video recorder and air conditioner are controlled based on the speech commands. The feature of our remote control system is that the system has human friendly interface just as persons communicate with each other. When the system did not recognize a person's speech command, the system asks once more for a speech command to repeat what a person said. The experimental results for our system have clarified its effectiveness.