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Directv vs DISH - Which HD is better


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102 replies to this topic

#101 OFFLINE   Stewart Vernon

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Posted 12 June 2014 - 08:36 PM

The way these things typically work... some aspects of the decompression are via hardware that cannot be upgraded even if the rest of the firmware could be updated... and besides that, these set-top boxes are usually optimized and cost-reduced so that there isn't much room to add features that would require more processing power.

 

Your PC would be in the same boat UNLESS you are always buying top of the line PC components that are ahead of current software... and even then in a couple of years there is faster hardware that would run the new codecs smoother.

 

Bottom line... don't expect current hardware to be upgradeable to new codecs, ever.  The rare time something might be upgradable, count yourself lucky.


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#102 OFFLINE   widmark

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Posted 12 June 2014 - 08:53 PM

h.265 will only be used for 4K, since no receivers from Directv or Dish support it there is no way it can be used for lower resolutions.

 

h.265 will make its first splashy headlines as the codec that enabled 4K, but ultimately h.264 will be phased out before content under 4K disappears.  That means lower resolutions will be piped over h.265.  I'm not sure how much it matters which speculation is right.

 

That stinks they just cant download the codec to the receiver.  There's such a thing as software defined radio, but no software defined codec?  Oh wait, that would be a PC.  I download codec packs to play video and that works.  Too bad the receivers cant.

 

Even if they could, the big issue is the CPU on the receivers.  Now that so much functionality/competition between cos is in the receiver software, cable/sat is no longer incented to push "just enough" CPUs in receivers.   Just enough CPU = more frequent hardware refreshes.    IMHO future boxes will provide more CPU headroom to handle software updates.  Maybe too that will allow software pushes of new codecs but I sort of doubt it since each new codec update is based on a huge leap in processing power that probably eclipses even the most generous built-in CPU headroom.


Edited by widmark, 12 June 2014 - 09:06 PM.


#103 OFFLINE   slice1900

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Posted 13 June 2014 - 01:53 AM

h.265 will make its first splashy headlines as the codec that enabled 4K, but ultimately h.264 will be phased out before content under 4K disappears.  That means lower resolutions will be piped over h.265.  I'm not sure how much it matters which speculation is right.

 

That's true, but I didn't mention that because it would be so many years in the future it is almost irrelevant - will satellite TV as we know it even exist then?

 

Directv is still a minimum of several years away from ceasing MPEG2 broadcasts. Doing so will require replacing every SD receiver in the country first, and there are tens of millions of them. To be able to phase out MPEG4 would require replacing every current (and many future) HD receiver so that all are capable of h.265.

 

The timeframe depends on whether 4K catches on. If it flops like 3D, it would delay the day when all Directv equipment is able to decode h.265 - basically that wouldn't happen until it is included "for free" in all the available chipsets.


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