The subject innovation relates to a more particularly an alarm clock to set an alarm at a desired time by a user's voice to install the voice recognition device in an alarm clock, and extend the alarm operation alarm, stops relates to an alarm clock .; It is arranged so that a signal according to the alarm clock with a a clock drive circuit for operating a setting button, and the clock to set the display time and displaying the time, is provided with a microphone on the side of the alarm clock and recognize the user's voice receiving the generated signal and the speech recognition unit for generating comprises a speaker that generates a sound that can control an alarm and stop the alarm setting.; By providing an alarm clock as described above, to have the user to more easily become effective when used in alarm clock alarm time set, and in addition is a clock having a greater efficiency.
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