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Data storage device employing high quality metrics when decoding logical block address appended to a data sector
Data storage device employing high quality metrics when decoding logical block address appended to a data sector
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机译:在解码附加到数据扇区的逻辑块地址时采用高质量度量的数据存储设备
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摘要
A data storage device is disclosed that receives a read command from a host, wherein the read command comprises a read logical block address (LBA_R). A target data sector is read in response to the LBA_R to generate a read signal. The read signal is processed to detect user data and redundancy data using a soft-output detector that outputs quality metrics for the user data and redundancy data. A high quality metric is assigned to the LBA_R, and errors are corrected in the user data using an error correction code (ECC) decoder in response to the quality metrics output by the soft-output detector and the quality metrics assigned to the LBA_R.
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