[mythtv-users] State of blu-ray support?

Raymond Wagner raymond at wagnerrp.com
Wed Nov 13 18:51:34 UTC 2013


On 11/13/2013 1:08 PM, Stephen P. Villano wrote:
> On 11/13/13 1:02 PM, Raymond Wagner wrote:
>> On 11/13/2013 12:43 PM, Stephen P. Villano wrote:
>>> On 11/13/13 9:51 AM, Raymond Wagner wrote:
>>>> On 11/13/2013 9:29 AM, Eric Sharkey wrote:
>>>>> On Wed, Nov 13, 2013 at 9:19 AM, Raymond Wagner
>>>>> <raymond at wagnerrp.com> wrote:
>>>>>> On 11/13/2013 5:16 AM, Anthony Giggins wrote:
>>>>>>> and if so does this mean that mythtv will now support 3D Blueray?
>>>>>> If you want to get technical, we'll need a couple orders of
>>>>>> magnitude higher
>>>>>> storage capacity before we can do 3D video.
>>>>> I think displays and cameras are more of the limiting factors than
>>>>> storage capacity, don't you think?
>>>> No.  We have light-field cameras and holographic displays.  You just
>>>> need such a high volume of data to drive them, they're practical.
>>>>
>>> If practical is a refresh rate of every two seconds. That was the best
>>> of the last unit I saw demonstrated. Storage aside, there is a *lot* of
>>> data to be tossed about to make that holographic image happen.
>>> I'll not even go into processing power utilized by light field cameras
>>> and I personally own one.
>> I meant _not_ practical, although there is limited commercial (or
>> rather military) use in HUDs.
>> _______________________________________________
> I'm retired military. The only practical usage in a military context for
> a holographic display with a refresh rate of two seconds would be for
> brigade level or higher battlespace management. And even then, one would
> need a much higher level of sensor platforms than has been in the
> wildest dreams of current military research staff (I've been part of
> some of that research, on the operational side testing).
> In short, at that slow refresh rate, all channel blocking saturation of
> data, major hardware requirements, it's useless in a military environment.
> Perhaps in another twenty years, but most certainly nothing worthwhile
> at our current technological level.

The refresh rate is a function of how much you are trying to display, 
and how much processing power you stick behind it to compute the 
interference pattern.  I'm talking about very simplistic graphics on an 
aircraft HUD.


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