The highest resolution audio decoders are provided, including Dolby TrueHD and DTS-HD Master Audio for the ultimate in audio fidelity.

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The early teletext decoders consisted of large metal boxes - wire-wrapped prototypes.

BBC: Ceefax: The early days

The ECJ held that clauses banning the use of foreign decoders and smart cards were void and amounted to a restriction on competition.

BBC: SPL faces ?1.7m claim over 'foreign broadcast' dispute

This is seriously a game changer for console users compared to what's been available for cross-platform Dolby surround sound decoders in the past.

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Begley, the executive heading the DNA sequencing effort, was previously chief executive of 454 Life Sciences, the first of the current generation of faster, more powerful DNA decoders.

FORBES: PerkinElmer Enters DNA Sequencing Market

The chip that VM Labs has designed is cheaper than traditional decoders, and the company has already licensed its technology to several DVD (Digital Versatile Disk) makers, including Matsushita and Toshiba.

FORBES: Pixelated dreams

The audience take-up rate was slow for the first seven years, because of the expense of the decoders needed to broadcast Ceefax onto TV sets, but soon the service expanded year by year.

BBC: Ceefax founding editor Colin McIntyre dies at 85