Abstract: Blu-Ray reading and writing methods are provided. In a reading procedure, a first plurality of recording frames are sequentially read from a Blu-Ray disc and stored in a memory array along a first direction to assemble a first LDC block comprising a plurality of data lines arranged along a second direction. A second plurality of recording frames are simultaneously read and stored in the memory array along the second direction to assemble a second LDC block comprising a plurality of data lines arranged along the first direction while the data lines in the first LDC block are sequentially decoded and output.

Abstract: An error correction device is provided. When an error of a data group stored in a dynamic random access memory (DRAM) device is detected, a memory controller of the error correction device executes a burst read and write, burst write or burst read-modify-write (RMW) operations to the DRAM instead of the conventional single read-modify-write (RMW) operation, thereby reducing the occupied bandwidth of the DRAM.

Abstract: A method for controlling an optical disc drive to resume interrupted recording on an optical disc includes: when the recording of a first recording unit block (RUB) is interrupted, storing an address thereof and storing a first value corresponding to the number of recorded sets of data of the first RUB; according to the address, searching a pseudo-recording start position corresponding to a recorded set of data of a specific RUB which is the first RUB or a second RUB recorded on the optical disc prior to the first RUB; re-encoding at least a portion of raw data corresponding to recorded sets of data on the optical disc and performing pseudo-recording from the pseudo-recording start position without physically writing on the optical disc until a second value matches a target value; and physically writing on the optical disc when the second value matches the target value to resume recording.

Abstract: A method and device for error analysis particularly adoptable for a recording medium such as an optical disc are disclosed. The present invention executes an encoding-like operation such as an interleaving operation to error flags during reproducing data from the optical disc, so as to obtain number and distribution of the errors on the disc.

Abstract: A method of syndrome generation for an error correction code (ECC) block having M columns by N rows with both M and N are greater than 1 includes storing a sub-block of the ECC block into a data memory, reading a plurality of symbols of a column of the sub-block from the data memory with at least one symbol being read during each reading cycle, and updating a plurality of syndromes corresponding to the column of the sub-block according to the plurality of symbols read from the data memory.

Abstract: A data managing method for an optical disc drive writing user data into an optical disc having defects. The data managing method includes: determining whether to suspend a first buffering space from receiving the user data according to an amount of data stored in a second buffering space; when the first buffering space receives data corresponding to a defect of the optical disc, not suspending the first buffering space from reading the user data, and transferring the data corresponding to the defect in the first buffering space to a second buffering space; and when an amount of data stored in the second buffering space reaches a predetermined value, suspending the optical disc drive from writing data stored in the first buffering space into a user data area, and driving the optical disc drive to write data stored in the second buffering space into the spare area.

Abstract: An accessing/transferring apparatus has a first memory having multiple memory banks, each of the memory banks having multiple logical memory sections, each of the logical memory sections forming a memory matrix; a memory controller that uses the page-mode function or alternate-bank-access function of the first memory to write the data of the error correction block into the logical memory sections along a column direction; and an error correction decoder using the page-mode function or alternate-bank-access function of the first memory to access the data of the error correction block from the logical memory sections along the row direction. The present invention uses the features of a dynamic random access memory (DRAM), such as page-mode function and alternate-bank-access function, and the data arrangement of the memory to improve the access speed of the memory to increase the accessing efficiency of optical data.