To move information for special reproducing as well when storing an index at the specified place of audio information and moving the audio information to the other storage medium, with respect to an audio signal recording device for compressing and recording audio signals, an audio signal reproducing device for restoring and reproducing the audio signals and a computer readable storage medium.

This device is provided with an index adding means 1 for adding the index corresponding to the specified place of audio information contained in the audio signal, an audio information preparing/updating means 2 for preparing and updating the audio information in a specified form on the basis of specified information containing the added index, a specified information working processing means 3 for applying working processing to the specified information so as not to affect decode processing of the audio information prepared in the specified form, and an audio signal recording part 4 or audio signal reproducing part 8 for recording or reproducing the audio signals on the basis of the couple of the audio information prepared in the specified form and the specified information to be subjected to working processing.