INFORMATION PROCESSING METHOD, INFORMATION PROCESSING DEVICE, AND RECORDING MEDIUM

An information processing method includes: obtaining sound information that includes (i) a first audio signal and (ii) space information that is information for reproducing a virtual space and includes first data relating to a first structure disposed in the virtual space, the virtual space including the first structure and a sound source; generating second data based on the first data, each of the first data and the second data being associated with a position in the virtual space, the second data being data having a smaller amount of data than the first data; calculating a propagation distance of sound from the sound source, the sound being reflected at the position associated with the second data and arriving at a position of a listener; and generating a second audio signal subjected to stereoacoustic processing, using the first audio signal and the propagation distance.