An electronic device is provided. The electronic device includes a microphone, a processor operatively connected to the microphone, and a memory operatively connected to the processor, wherein the memory, when executed, stores instructions for causing the processor to receive first speech data through the microphone, recognize a user input to call a voice assistant from the first speech data, convert the user input into a first wakeup score, determine the electronic device as a first reference device at least based on the first wakeup score that exceeds a designated threshold value, configure a first noise reduction space based on location information of the first reference device, determine at least one of one or more electronic devices, located in the first noise reduction space, as a first noise reduction device to perform a noise reduction operation, and control the noise reduction operation of the first noise reduction device.