Abstract: An apparatus and method for cancelling a noise of an audio signal in an electronic device are provided. The electronic device includes a communication module configured to provide a voice call service with a counterpart electronic device, a memory configured to store one or more noise cancellation variables, and a processor configured to, when a call with the counterpart electronic device is configured through the communication module, select a noise cancellation variable corresponding to a reception signal strength from the memory and cancel an audio signal noise based on a noise cancellation variable corresponding to the reception signal.

Abstract: An apparatus and method for cancelling a noise of an audio signal in an electronic device are provided. The electronic device includes a communication module configured to provide a voice call service with a counterpart electronic device, a memory configured to store one or more noise cancellation variables, and a processor configured to, when a call with the counterpart electronic device is configured through the communication module, select a noise cancellation variable corresponding to a reception signal strength from the memory and cancel an audio signal noise based on a noise cancellation variable corresponding to the reception signal.

Abstract: A user device having a plurality of microphones and an operating method thereof are provided. The user device includes a plurality of microphones for converting sounds into electrical signals, an analysis unit for analyzing acoustic characteristics of the electrical signals outputted from the plurality of microphones, a switch unit for electrically connecting a specific microphone and a host device according to the analysis result of the analysis unit, and the host device for executing a function using an electrical signal outputted from the specific microphone. Various other exemplary embodiments are possible.

Abstract: A user device having a plurality of microphones and an operating method thereof are provided. The user device includes a plurality of microphones for converting sounds into electrical signals, an analysis unit for analyzing acoustic characteristics of the electrical signals outputted from the plurality of microphones, a switch unit for electrically connecting a specific microphone and a host device according to the analysis result of the analysis unit, and the host device for executing a function using an electrical signal outputted from the specific microphone. Various other exemplary embodiments are possible.