an information reproducing apparatus includes a reproduction clock generating device for generating a reproduction clock on the basis of a multivalue signal of a reproduction signal reproduced from an information recording medium , and a reproduction data detecting device for detecting the multivalue signal by using the reproduction clock , and for generating reproduction data synchronized with the reproduction clock . the apparatus further includes a first waveform equalizer for performing waveform equalization of the reproduction signal which is suitable for generation of the reproduction signal , and a second waveform equalizer , arranged independently of the first waveform equalizer , for performing waveform equalization of the reproduction signal which is suitable for detection of the reproduction signal .