This information processing device for executing a simulation of tactile feeling of a biological tissue at a time point in the past or future, comprises: an audio filter for reproducing a vibration sound generated by vibration of a biological tissue of a person; a means for storing information about the time elapsed since birth of a person when the vibration sound is generated, and information about the time elapsed since birth of a person of interest for simulation, in association with each other; a means for obtaining from an audio input device a target audio signal relating to the vibration sound generated when biological tissue of the person of interest for simulation vibrates; a means for specifying simulation conditions including a time point in the past or future, and the elapsed time since birth of the person of interest for simulation; a means for selecting a reference audio filter corresponding to the simulation conditions from among a plurality of audio filters; a means for applying the reference audio filter to the target audio signal to generate a prediction audio signal relating to vibration sound generated by vibration of the biological tissue of the person of interest for simulation at the time point in the past or future indicated by the simulation conditions; and a means for presenting the prediction audio signal through an audio output device.L'invention concerne un dispositif de traitement d'informations pour exécuter une simulation de sensation tactile d'un tissu biologique à un instant dans le passé ou le futur, qui comprend : un filtre audio pour reproduire un son de vibration généré par une vibration d'un tissu biologique d'une personne; un moyen pour mémoriser des informations concernant le temps écoulé depuis la naissance d'une personne lorsque le son de vibration est généré, et des informations concernant le temps écoulé depuis la naissance d'une personne d'intérêt pour une simulation, en association les unes avec les autres; un moyen pour