| CPC G01J 1/4204 (2013.01) [H04S 7/308 (2013.01); H04S 2400/13 (2013.01)] | 10 Claims |

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1. A smart speaker, comprising:
a first light sensor configured to sense a first ambient light brightness value;
a second light sensor configured to sense a second ambient light brightness value;
a loudspeaker configured to emit a sound; and
a processor electrically connected to the first light sensor, the second light sensor and the loudspeaker, and configured to control a sound effect of the sound according to the first ambient light brightness value and the second ambient light brightness value.
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