INFORMATION SIGNAL PROCESSING APPARATUS, METHOD OF CREATING DATABASE, METHOD OF PROCESSING INFORMATION SIGNAL, AND PROGRAM FOR IMPLEMENTING METHOD OF PROCESSING INFORMATION SIGNAL

摘要

Disclosed is an information signal processing apparatus. The information signal processing apparatus includes an adjustment unit by which users each adjust an inputted information signal so that an output of the information signal has a predetermined quality, and a storage unit that stores operation information having a final adjustment value of a series of adjustments carried out by the adjustment unit, and history information relating to a sequence of changes to an adjustment value up to the final adjustment value in a storage medium in association with preference information of the user during the series of adjustments.