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.

Abstract: Provided is a method for outputting voice data in a portable terminal includes the steps of setting voice frequency bands of one language selected from a plurality of languages; modulating frequency bands of received voice data to the voice frequency bands of the set language; and outputting the voice data whose frequency bands are modulated to the voice frequency bands of the set language. Exemplary embodiments of the present invention allow for satisfactory conversation quality to be achieved on a portable terminal, regardless of the language of a talking partner, by setting an audio filter suitable for a language used by a user of the portable terminal.