Recent Content

Data Recording and Transmission: Delivering Data - Part 23 September 2nd 2020 - 09:00 AM

The requirements for data transmission have changed out of all recognition since the early days of computing where the goal was simply to make something that worked. Today that’s the easy part.

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Data Recording and Transmission: Reed Solomon Codes - Part 22 August 5th 2020 - 09:00 AM

The Reed Solomon codes are defined by what the decoder expects to see and the encoder has to be configured to suit that.

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Data Recording and Transmission: Reed-Solomon Error Correcting Codes - Part 21 July 8th 2020 - 09:00 AM

The explosion in digital technology that led to Compact Discs, DVD, personal computers, digital cameras, the Internet and digital television broadcasting relies heavily on a small number of enabling technologies, one of which is the use of Reed-Solomon error correcting codes.

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Data Recording and Transmission: Burst Errors - Part 20 June 2nd 2020 - 09:00 AM

The first burst error correcting code was the Fire Code, which was once widely used on hard disk drives. Here we look at how it works and how it was used.

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Data Recording and Transmission: Cyclic Redundancy Checks - Part 19 May 5th 2020 - 09:30 AM

The CRC (cyclic redundancy check) was primarily an error detector, but it did allow some early error correction systems to be implemented.

There are many different CRCs but they all work in much the same way, which is that the data to be protected are divided by the CRC polynomial. This was done serially by shifting the data bits into the CRC generator at the same time as they were being written to a medium such as disk or tape or sent into a serial transmission line.

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OWNZONES Offers Crisis Support April 16th 2020 - 01:00 PM

OWNZONES’ cloud-based platform ‘Connect’ is assisting studios and content owners by allowing content projects to continue remotely.

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