1. An electronic device comprising: an audio processing unit configured to receive audio data, and to acquire voice data from the audio data; a control unit configured to receive or generate text data corresponding to the voice data, wherein the received or generated text data is in a language corresponding to the voice data, to extract a part of the voice data from the voice data by identifying a section in which voice is absent between the part of the voice data and another part of the voice data, to translate the received or generated text data into another text data for another language, and to store the part of the voice data and a part of the text data corresponding to the part of the voice data, wherein the part of the voice data and the part of the text data are associated each other, and wherein the part of the voice data comprises one or more units extracted from the voice data based on a component of a language; and a display unit configured to output the received or generated text data.