METHOD AND DEVICE FOR ADJUSTING VOLUME OF ELECTRONIC DEVICE

A method for adjusting the volume of an electronic device, according to an embodiment, may comprise: adjusting, based on a user's voice being input into a first electronic device, the output volume of a second electronic device based on a second volume adjustment amount, determined based on the relative difference between the volume of the user's voice and the volume of the second electronic device measured in the first electronic device, and/or a third volume adjustment amount, input through a volume adjustment interface; adjusting, based on a conversation partner's voice being output from the first electronic device, the output volume of the first electronic device based on a first volume adjustment amount, determined based on the volume of the second electronic device measured in the first electronic device, and/or the third volume adjustment amount; and adjusting, based on the user and the conversation partner speaking simultaneously, the output volume of the second electronic device based on the first volume adjustment amount and/or the third volume adjustment amount, and determining the output volume of the first electronic device based on the volume of the user's voice.