| 摘要 |
The signal processing circuit in the present invention includes a tracking polarity determination unit configured to determine the polarity when tracking control is performed on an optical disc, on which a wobble is formed, the tracking polarity determination unit including: a binarized wobble signal generation unit configured to generate a wobble signal according to the shape of the wobble, and to generate a binarized wobble signal; a characteristic quantity measurement unit configured to measure the characteristic quantity of the binarized wobble signal generated by the binarized wobble signal generation unit; a determination unit configured to determine whether or not the characteristic quantity of the binarized wobble signal measured by the characteristic quantity measurement unit indicates a predetermined characteristic; and a polarity determination unit configured to determine the polarity by the result of the determination by the determination unit.
|
