Frequency corrections of sound files for listening without using hearing aid devices

The way of modeling of individual correction frequency characteristic of electronic subcircuits that will enable to persons with damaged hearing to listening sound files without using hearing aid device is analyzed and descried. Such will be avoided influence on psychophisical state of inconvenience what is caused by direct contact of hearing aid device in the ear or behind the ear and enable to listen sound files in personal ambient of patient. Possibility of listening of radio and television programs with such processed sound files is also presented. Described and presented methods for software corrections are mainly intended for persons with hearing damages caused by natural aging but can be applied for all persons with damaged hearing.