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5.1 Ex ?

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  • 12-11-2007 9:48am
    #1
    berengar
    Closed Accounts Posts: 289 ✭✭


    Just wandering what this is ?

    there is dolby Digital 5.1, dolby digital 5.1 EX and DTS ...

    I know DTS is a lot better then 5.1 DD , but what is EX ?


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    #2
    mathias
    Closed Accounts Posts: 2,174 ✭✭✭mathias


    5.1 EX is sort of a pro logic type extension to 5.1 , it adds a " fake " sixth channel for extra rear speakers , fake in the sense that its just a mixdown from the discrete rear channels and not a true sixth channel.

    From the Wiki...

    http://en.wikipedia.org/wiki/Dolby_Digital
    Dolby Digital EX is similar in practice to Dolby's earlier Pro-Logic format, which utilized Matrix technology to add a center and single rear surround channel to stereo soundtracks. EX adds an extension to the standard 5.1 channel Dolby Digital codec in the form of matrixed rear channels, creating 6.1 or 7.1 channel output. However, the format is not considered a true 6.1 or 7.1 channel codec because it lacks the capability to support a discrete 6th channel unlike the competing DTS-ES codec.


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