Passion around video formats. Free Technical Library News

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Passion around video formats

25.06.2004

The active struggle of supporters of two alternative optical formats of the future continues. On one side of the barricades are Sony, Pioneer, Samsung, Matsushita Electric, Philips and Microsoft, with their Blu-Ray format. The other side is represented by Toshiba and NEC, which are actively promoting their HD-DVD format.

Now there is some parity between the parties. On the one hand, Sony has already sat down to release a number of albeit very expensive, but quite commercial products based on Blu-Ray technology. Philips is also threatening to release similar devices soon.

Supporters of the HD-DVD format do not yet have finished commercial products. But recently they enlisted the support of such an authoritative organization as the DVD Forum. Taiwanese manufacturers are neutral. They are ready to start manufacturing disks and drives of any approved standard, or even both at once.

So the HD-DVD proponents once again managed to create a stalemate, although many thought that the victory of Blu-Ray was a settled matter.

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Joanne Oh, an engineer at the Dutch Technical University of Eindhofen, proposed an infrared communication system.

An infrared network can be created in a separate room by hanging a device that transmits a light signal from the ceiling. A fiber optic cable is connected to such a device, and in the device itself, the signal coming from the network is converted into infrared radiation; Each wireless device in the room is assigned one infrared beam. When the device is moved, its exact position in space is determined using a radio signal, and the IR emitter adapts the direction of the beam. This principle of operation will create a network that does not suffer from external interference.

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