PROCESSING DEVICE, SERVER DEVICE, OUTPUT METHOD, AND PROGRAM

According to the present invention, there is provided a processing device () which includes a sound collection unit () that collects an environmental sound outside a vehicle, a filter unit () that performs filtering for emphasizing a sound characterizing a current position of the vehicle of which the environmental sound is collected, from the environmental sound collected by the sound collection unit (), and a processing unit () that causes the environmental sound including the filtered sound to be output to the inside of the vehicle.