Patent ID: 7072257

Claim:
A data recording controller for controlling recording of data to a first disc medium on which first address information is recorded in compliance with a first recording format, in compliance with a second recording format that has a recording density greater than the first recording format, the data recording controller comprising: a first address generation circuit for generating first address data based on the first address information read from the first disc medium; a conversion circuit, connected to the first address generation circuit, for converting the first address data to generate converted address data complying with the second recording format; a second address generation circuit for generating second address data complying with the second recording format based on second address information read from a second disc medium and complying with the second recording format; an address selection circuit, connected to the second address generation circuit and the conversion circuit, for selecting and outputting one of the second address data generated by the second address generation circuit, and the converted address data; and a first timing generation circuit, connected to the address selection circuit, for generating a timing for writing of data to the first disc medium in accordance with said one of the second address data and the converted address data selected by the address selection circuit.