INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, PROGRAM, MOBILE DEVICE, AND INFORMATION PROCESSING SYSTEM

The present technology relates to an information processing device, an information processing method, a program, a mobile device, and an information processing system that can improve accuracy of recognition of a direction in which an object is present on the periphery of a mobile device such as a vehicle. An information processing device includes a recognizing section configured to perform detection processing for an object on a periphery of a mobile device, and a warning sound control section configured to control a feature quantity of a first warning sound, the first warning sound indicating presence of the object, and a position of a sound image of the first warning sound, according to a position of the detected object. The present technology is applicable to, for example, mobile devices such as vehicles.