A video scalar converts a video signal between arbitrary resolutions. It is mainly used to convert interlaced signals of low resolution, such as, composite video signals or s-video, into higher resolution non-interlaced, like the ones in HDTV. Composite video signals are those which carries all information – the red, blue, and green signals and sometimes audio as well. S-video (separate video) is an analogue video signal in which the video data is carried separately – brightness and colour. This is unlike the composite video signal. Interlacing is a technique, by which the picture quality is improved, without consuming any extra bandwidth. Interlaced signals have flickering effect while non-interlaced ones do not.
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Audio-video conferences are very useful nowadays in several fields and industries because of their ability to connect people located in various places. Through this technological breakthrough, it has become easier to exchange ideas with people across the globe.

The beginnings of audio-video conferences can be traced back as early as 1964. These conferences were facilitated by a crude and expensive picture phone device. Since then, the machine has evolved to become the complex business tool it is today, complete with additional features such as a color monitor and recording capabilities.
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Kaleidescape DVD Servers

The Kaleidescape DVD server has revolutionised the way we can distribute DVD’s around the home. We have the option of installing a player in a dedicated home cinema room or centralising all the players, with audio and video distributed in high definition. Centralising the Movie Player 1080 gives us the flexibility to allow any room to join in a film at any point – allowing you to pause a film in the cinema and continue watching it in bed. It is difficult to mention Kaleidescape and not mention the beautiful user interface. List views and collections give you access to lots of information very easily – for example run length, sort by director, lead actor, genre etc but the best bit is the cover art view. In cover art view your films are arranged by relevance so if you hover over ‘Ice Age’ then you would get kids films grouped near by and also the artists films. This unique shuffle revolutionises the way you watch films – making it easy to pick out all films by a certain actor or watching films by a certain director.
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