DVDFab introduces ExactRead, exclusive technology to correct read errors

Posted 09 February 2018 17:25 CET by Jan Willem Aldershoff

Chinese software developer DVDFab today announced a new technology it calls ExactRead. The technology should ensure that DVD/(Ultra HD) Blu-ray rips are free from read errors and that the rip adheres to the DVD/(Ultra HD) Blu-ray specifications.

ExactRead also able to correct read errors it finds, according to DVDFab on its website. It kicks in when an user uses DVDFab to rip a DVD, Blu-ray or Ultra HD Blu-ray disc. During the ripping process, DVDFab will first read the data on the disc. After that, the software will try to decrypt that data and the last step is the verification of that data by ExactRead. If the software detects a read error, it will switch to different strategy in order to try to fix the error.

That strategy differs from the usual reading process, by slowing down when reading the part of the disc where the read error was found. Normally DVDFab reads large blocks of data to speed up reads, but if the software finds a read error it will try to re-read that data sector for sector which is much slower.

In the occasion DVDFab is unable to correct the read error, a popup will appear indicating there is a read error that could not been corrected. This should prevent users from watching or burning rips to find out during the movie that there are glitches.

At the end of the announcement of ExactRead, DVDFab also lists drives it has found to be performing well on reading back data. The list is based on anonymously collected data that keeps track of how well a drive performs. Based on the same data the company also lists drives it does not recommend.

The best performing drive is the HL-DT-ST BD-RE BH14NS40 (better known as the LG BH14NS40) with firmware version 1.03. Second is the Matshita UJ141AF (firmware version 1.00) which currently seems to be hard to get.

A drive DVDFab doesn’t recommend is also from Matshita, it’s the Matshita BD-MLT UJ260AF with firmware version 1.00.

ExactRead is available in the copy, rip and Passkey tools from DVDFab which can be downloaded from the DVDFab website.

Users looking to purchase the software can get up to 66% off with the DVDFab Valentine’s Day promotions. Discuss this in our DVDFab Forum.

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