Thursday, September 12, 2013

Can someone tell me the difference between Blu Ray discs and DVDs?

blu ray player keeps cutting out
 on Jansport Backpack Superbreak Racer Yellow
blu ray player keeps cutting out image



G1Main


Is Blu Ray better?
Best Blu Ray player?(is the PS3 good?)
What are the new features of Blu Ray discs?



Answer
Data-wise, a DVD and a blu-ray can hold the same types of data. In fact, they can contain any data you like, it's just a matter of finding a device that can read that disc to write or retrieve that data. A DVD can hold multimedia and data files... and a blu-ray can hold multimedia and data files... it's just that a blu-ray can hold many many more of them. Here's why:

I'm sure you've heard by now that blu-ray discs require the use of a blue laser to read the data. In fact, the primary reason for blu-ray's superiority is due to some breakthroughs in optical technology. The wavelength of the blue laser could be reduced to 405nm from the red laser's 650nm... meaning that basically the same amount of information could be stored and retrieved in a smaller area. Making the disc layer thinner and slightly increasing the laser aperture size eliminated unwanted spreading and bending of the light waves to keep it well focused.

-Yes, blu-ray is better both physically and capability-wise.

-The best blu-ray player overall is considered to be the PS3, as it supports all of blu-ray's capabilities. It took a while for Sony to release a firmware update that allowed decoding of DTS HD Master Audio, but it is now a full-featured profile 2.0 blu-ray player. The best standalone player is considered to be the Panasonic DMP-BD50.

-Features of blu-ray have yet to be fully unlocked. Of course the capacity allows for high bit-rate video at full high definition, and uncompressed audio. Everyone knows that (or should by now). But, with BD-Java programming capability and bringing the internet into it with BD-Live, the possibilities become astounding over DVD. I mean, it's not going to change your oil or balance your checkbook or anything... but, from an entertainment standpoint it's a pretty exciting medium. The movie companies finally have a medium with capabilities that can provide their customers with a full immersion experience in their living rooms.

DVD is the big brother and is still a damn good medium. But, moving into high definition and interactivity beyond that of navigation menus and Easter Eggs, DVD just doesn't cut it. However, there is no war between DVD and blu-ray. If there were, Sony would not have made it so all blu-ray hardware must support DVD. It's just a step-up from previous technology. I don't doubt that soon blu-ray and HVD (holographic versatile disc) will be in the same boat.

Will this work for solar charging 100watt solar panel charging a Interstate SRM-24?




tucher87


Im planning on starting a little solar panel set up and I am wondering about charging and using my battery. I plan on using a small tv and probably a PS3 fat for the blu ray player. If I have a solar panel 100watts that has a maximum output of 5.5Amps would it be able to keep up with using a small tv during the day and at night a couple 12 volt lights and possibly a bluray player for a movie. I can not find any amp hour ratings on this battery yet it says its a deep cycle battery. Any ideas if this battery will be able to handle this.


Answer
>Will this work for solar charging 100watt solar panel charging a Interstate SRM-24?

You haven't supplied nearly enough information to give a good answer, but here are two obvious problems:

- The original "fat" PS3 is an energy hog. Roughly 175 watts (~20 amps into inverter) playing a Blu-Ray. Even newer models use a lot more energy than a good stand alone player.

- The SMR-24 is not a true deep cycle battery. Don't expect the same kind of life that you would get from a true deep cycle battery. You can find "hours at amps" info at: http://www.interstatebatteries.com/cs_eStore/content/product_info/marine_f.asp The amp-hour ratings of all batteries depend on how fast you discharge them.

For example 4.6 amps (~55 watts from battery) for 15 hours is about the same as saying 69 amp-hours at a 15 hour discharge rate.

After replacing the PS3 with a modern player, the feasibility depends on the details. For example:

Where will it be located? The actual output of the panel depends on how much sunlight falls on it, and that depends on location & installation..

How much power do each thing use in watts? Add them up. Descriptions like "small TV" & "12 volt light" don't cut it.

How many days of overcast do you want the battery to cover? How small a power budget can you live with?




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