Recording medium, recording apparatus, reproducing method, and reproducing apparatus

A recording apparatus adapted for recording information onto a recording medium including a plurality of areas, the apparatus comprising:

• means for sampling an audio signal from a sound source at a predetermined sampling frequency, and for converting digital audio information thus obtained into information in a form adapted to be recorded onto the recording medium;
• and
• means for recording the converted digital audio information, into a first recording area and a second recording area of the recording medium, wherein the means for sampling an audio signal from a sound source at a predetermined sampling frequency, and for converting digital audio information thus obtained into information in a form adapted to be recorded onto the recording medium includes:
• means for sampling an audio signal from a sound source at a predetermined sampling frequency, and for quantizing digital audio information thus obtained by a predetermined number of bits;
• and
• means for band-dividing quantized digital audio information thus obtained by a frequency which is 1/n (n is integer) of the predetermined sampling frequency so that dividing into two groups is carried out, and
• wherein the means for recording the digital audio information converted into a form adapted to be recorded onto the recording medium, records the digital audio information of one group of the two groups into the first recording area of the recording medium, and the digital audio information of the other group into the second recording area of the recording medium.