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An abbreviation for Digital Data Storage. DDS is a data storage format which was developed from DAT (Digital Audio Tape) by Hewlett-Packard and Sony, especially for reliably storing computer data. DDS is defined by international standards and is supported by many manufacturers, but more importantly, it is subject to thorough collaborative testing programs which ensure that tapes written by one maker’s drives can be read by those of other manufacturers.

DDS drives are rigorously tested for format compliance and data interchange according to a scheme that Hewlett-Packard administers. DDS media is put through a comprehensive set of tests designed to ensure that only data cartridges capable of meeting the exacting environmental and durability requirements of the DDS standards bear the DDS trademark. This scheme is administered by Sony.

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