INFORMATION PROCESSING APPARATUS, PORTABLE DEVICE, ELECTRONIC PET APPARATUS RECORDING MEDIUM STORING INFORMATION PROCESSING PROCEDURES AND INFORMATION PROCESSING METHOD

In an information processing apparatus, a portable device, an electronic pet apparatus, recording medium storing information processing procedures and an information processing method, various kinds of data is transmitted via a network, and in addition, words can be catalogued via voice. Further, various responses are made in accordance with user authentication, voice inputs and responses are classified into categories which are used as a basis for generating a response. Furthermore, the emotion of the electronic pet can be changed on the basis of a past history.