The prerecorded embedded servo field includes at least one sub-field of prerecorded information that simultaneously provides (i) data for a first servo function and (ii) data for at least one other servo function. In another embodiment, a prerecorded embedded servo field includes a first sub-field...http://www.google.fr/patents/US5760983?utm_source=gb-gplus-shareBrevet US5760983 - Method for optimizing AGC in a servo field including multiple use of an AGC sub-field and sub-field ordering
Method for optimizing AGC in a servo field including multiple use of an AGC ...
