A method for fitting the mobile computer audio characteristics to the user's hearing preferences is proposed. The process consists of two stages: calibration and dynamics processing. During the calibration phase the user performs a loudness scaling test giving their response regarding the perceived loudness. The dynamics processing made on above basis sets the loudness to the most comfortable level. The processing accounts both for the user's hearing preferences (or possible deficiencies) and for the playback characteristics of the device. The solution is implemented as a standalone PC calibration application and as an APO object installed in the system's audio driver.
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