Method for controlling sound reproduction device in radio receiver and TV set for elder people, involves issuing message to user and applying limit of maximum allowable sound level according to time period

摘要

The method involves providing an input of agreed maximum allowable sound level for different day time. Virtual sound level is maintained to a level that does not exceed the maximum allowable sound level. The sound level is not increased during release of a command from a user to amplify a sound level louder than maximum allowable level, and a message is issued to the user. Limit of the maximum allowable sound level is applied according to time period.