198791 ⎘
Signal processing not specific to the method of recording or reproducing; Circuits therefor; Digital recording or reproducing; Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter using partial response filtering when writing the signal to the medium or reading it therefrom EEPR4 or E2PR4, i.e. extended partial response class 4, polynomial (1-D)*(1+D)
Identifying a defect in a data-storage medium
#2Identifying a defect in a data-storage medium
#3Rendering data write errors detectable
#4Detecting data-write errors
#5E2PR4 viterbi detector and method for adding a branch metric to the path metric of the surviving path after selecting the surviving path