a method and apparatus for recording control for a recording medium having a data recording region for recording data such as audio data , speech data , and a control data region for recording control data for the data recording region . the method and apparatus includes identifying a non - silent recorded portion and a silent recorded portion of the data recorded in the data recording region based upon the signal level of the data recorded in the data recording region , and recording control data for separating the data recorded in the data recording region into temporally former and temporally latter portions at a boundary portion between the non - silent recorded portion and the silent recorded portion based upon the results of the identification after recording of the data in the data recording region has ended .