15. A mobile terminal according to claim 12 , further comprising a display unit which displays the electronic document.
12. A mobile terminal, comprising: a communication unit which connects to a communication network and sends and/or receives data for an electronic document; a speech synthesizer for converting text in the electronic document, which is sent and/or received by communication unit, to speech; an audio output unit which outputs an audio for the speech converted by the speech synthesizer; a storage unit which stores a predetermined word and a type in an associated manner, the type being used to control an audio output of the predetermined word from the audio output unit; a controller which, upon outputting the electronic document as an audio from the audio output unit, when the electronic document contains the word stored in the storage unit, controls the audio output of the predetermined word from the audio output unit according to the type stored in a manner associated with the word, wherein the type includes a plurality of categories, and the predetermined word associates with a category.