an information recording apparatus for recording at least a video signal and a digital audio signal onto an optical record medium , is provided with : a pulse signal generation device for generating a pulse signal having a pulse width corresponding to the video signal and the digital audio signal to be recorded ; a first pulse width adjustment device coupled to the pulse signal generation device , for decreasing the pulse width of the pulse signal by an amount proportional to the pulse width of the pulse signal to output a firstly adjusted signal having a firstly adjusted pulse width ; a second pulse width adjustment device coupled to the first pulse width adjustment device , for increasing the firstly adjusted pulse width of the firstly adjusted signal by a predetermined amount to output a secondly adjusted signal having a secondly adjusted pulse width ; and a light emission device for emitting a recording light corresponding to the secondly adjusted signal onto the optical record medium to form a record pit having a pit length corresponding to the secondly adjusted pulse width of the secondly adjusted signal .