Abstract: The present invention provides a voice detection method and a voice detection device. The voice detection method includes: starting recording when a keyword audio signal in a first audio signal is detected; obtaining a plurality of keyword features in the keyword audio signal; ending the recording according to the plurality of keyword features so as to obtain a second audio signal; and transmitting the keyword audio signal and the second audio signal to a voice-to-text module.

Abstract: A method of reducing power consumption of an electronic device, the electronic device including a plurality of sensors, the method comprising the steps of: receiving sensed information from the sensors within a predetermined time period; judging whether the electronic device is under a stationary state within a predetermined time period according to a data variation of the sensed information received within the predetermined time period; and controlling a portion of the sensors to enter into a sleeping state or a low-power consumption state when the electronic device is under the stationary state within the predetermined time period.