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On-Demand Video (Homechoice) - How does it work?

Discussion in 'Networks & Internet Connectivity' started by Domo, 5 May 2006.

  1. Domo


    Joined: 11 Feb 2004

    Posts: 4,522

    Location: Surrey, UK

    Bit of a noob question but I'm a little bit puzzled.
    I have a 2MB broadband connection, and streaming (for example) a quicktime trailer is ok at a lower res but at high res will keep pausing.

    So my question is how Homechoice can squeeze real time full screen digital content down the same line? Is it streamed or downloaded first?
  2. Topgun


    Joined: 27 Oct 2002

    Posts: 952

    Homechoice will ensure that the bitrate of their content is less than your line can handle so you will not get any rebuffering. Presently, with quicktime you are at the mercy of your content provider in terms of video bitrate and bandwidth at their end.

    When homechoice first launched, i believe all their products used 2mbit MPEG transport streams over ADSL 1. This is quite significantly worse than DVD quality (6-8mbit) but still quite watchable on a regular TV. Now they are migrating all cusomers to adsl2 with new MPEG 4 capable set top boxes. THis should provide sufficient headroom for HDTV services.