Recording/reproducing apparatus, program recorded medium, recorded medium, cache device, and transmitter

A recording and reproducing apparatus characterized in that said apparatus comprises:

• recording means for recording an AV data;
• and
• playing back means for, in the case where signal information indicating copy right information of the AV data shows “copy never” allowing viewing or listening to be performed only once, playing back only once for viewing only the AV data which is recorded by said recording means.

A recording and reproducing apparatus characterized in that said apparatus comprises:

• recording means for recording an AV data;
• and
• playing back means for, in the case where signal information indicating copy right information of the AV data shows “copy one generation” allowing copying to be performed only once, playing back only once for copying the AV data while setting signal information indicating copy right information of the AV data which has been copied once by said recording means, to “copy one generation” allowing copying to be again performed only once.