Posted by David Z on 11/29/05 14:13

Who on earth wants or needs a lossless signal? Who is still using WAV audio
or Bitmaps for photos? Not many people I know.

"Don Del Grande" <del_grande_news@earthlink.net> wrote in message
news:akjno1lm0t5kejvirucaf9u5t48uknepqa@4ax.com...
> Rich wrote:
>
>> Bob wrote:
>
>>>New Scientist magazine
>>>http://www.newscientist.com/channel/info-tech/dn8370.html
>>>
>>>Holographic-memory discs may put DVDs to shame
>>>
>>>A computer disc about the size of a DVD that can hold 60 times more
>>>data is set to go on sale in 2006. The disc stores information through
>>>the interference of light - a technique known as holographic memory.
>
>> Who the F--- is going to NEED 60x a DVDs data storage capacity?
>> Aside from a few companies and the government?
>
> Let me give you an example:
> How much space would a 1920 x 1280 lossless signal take up?
> 1920 x 1280 x 3 bytes/pixel (24-bit color) x 30 frames/second = about
> 220 MB/second. The best lossless compression I've seen can reduce
> that by about 50%, so let's say 110 MB/second. That's 1 GB for nine
> seconds, or 45 minutes for a 300GB disc.
> As long as there's a better resolution out there, people will be
> demanding it...
>
> (Besides - ever watch "Futurama"? A 300GB disc may be just enough to
> hold a Harold Zoid holographic short...)
>
> -- Don

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