Method of discriminating writable disc and apparatus thereof

There is provided a discrimination method and apparatus of a recordable disc. Absolute addresses and / or rough wobble PLL a number of the information recordable disk with a predetermined wobble frequency is molded containing etc. in a state where only performs the focusing control using the size of the wobble signal or phase lock loop (PLL) of the disk by using a lock signal to determine the plurality of disk type, it is possible to shorten the time required to determine and also determine the disc in the unrecorded state.