A computer implemented method in a data processing system for fingerprinting inputoutput workloads for inputoutput schedulers. The peptides relating to pemphigus vulgaris are self epitopes and those relating to multiple sclerosis are foreign antigens derived from human pathogens which are implicated in the aetiology and remissions of the disease. A method includes detecting a period of substantial silence in an audio signal; and combining masking noise with the audio signal during the period of substantial silence. The created update number is acquired from the first storage apparatus.