Data Recovery Specialists reverse engineer WordNet voice log data instrumental in ongoing Libor manipulation claims

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After months of painstaking research, Data Recovery Specialists have finally reverse engineered WordNet voice logging data, for major investment banks.

After months of painstaking research, Data Recovery Specialists have finally reverse engineered WordNet voice logging data, which is used by major investment banks. WordNet is a analogue voice logger which traditionally was used by the major banks to record telephone conversations onto DDS tape. This system has now been replaced by digital alternatives and the DDS archives are no longer supported by new voice logging systems. Until now these archives have remained inaccessible, but now Data Recovery Specialists are able to recover all the voice recordings and integrate them into the new systems.

Technical Director of Data Recovery Specialists and expert in legacy tape formats Tony Pitter stated “Reverse engineering WordNet data to extract both the voice recordings and the meta data such as dates, times and channels has really tested our research team. The team have effectively been working blind, but they have now calculated the data parameters and are able to extract meaningful information from this proprietary data format. This opens up the way to reverse engineer other voice recording systems such as Guardian, Dictaphone and NICE.”

With archives amounting to hundreds of thousands of DDS tapes recorded over decades, the banks are now recognising the importance of converting these voice recordings into modern formats. The solution offered by Data Recovery Specialists extracts both the call catalogue and the audio data, marrying the two into a ‘future-proof’ voice logging file. This can then be seamlessly integrated into next generation systems.

What’s more, Data Recovery Specialists are even able to access damaged portions of DDS tapes that would normally destroy a drive’s heads. We are seeing up to 5% of tapes with data recovery issues due to media degradation. Checksums and error correction codes allow us to rebuild missing bytes and blocks, by comparing these with extended metadata on the tape.

To our knowledge, no other data recovery company is able to offer this conversion service and the work is already flooding in. As a result Data Recovery Specialists has quadrupled the size of its data recovery laboratory and scheduled work is likely to run well into next year.

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Aran Pitter
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