1. An audio output apparatus comprising: an audio output unit which outputs an audio; 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 an electronic document as an audio from the audio output unit using speech synthesis, 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.
1. An audio output apparatus comprising: an audio output unit which outputs an audio; 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 an electronic document as an audio from the audio output unit using speech synthesis, 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. 9. The audio output apparatus according to claim 1 , wherein, when controlling the audio output, the controller controls at least one of a pitch, a volume, and an intonation of the sound.