To provide an information processing system allowing eye-friendly display. A value for each of a plurality of portfolios of art owned by a plurality of participants is determined Ownership interests in the plurality of portfolios of art are pooled in a legal ownership entity. These sub-band signals may be processed for phase alignment, amplitude compensation, and time delay prior to summation of real portions of the sub-band signals to generate a reconstructed audio signal. The fixed gauge roll, first and second gauge roll together form a triangle.