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#1: CD, DVD, and Blu-Ray (Not PHP)

Posted on 2010-04-21 19:16:36 by TedD

Hi gang:

I'm no expert on media, but the only difference between CD, DVD,
Blu-Ray is the amount of data they can hold, right? IOW, you can
still record video, audio, pictures, files, all digital data on all
media - it's just that Blu-Ray can hold more than DVD and DVD holds
more than CD, isn't that right?

Cheers,

tedd


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#2: Re: CD, DVD, and Blu-Ray (Not PHP)

Posted on 2010-04-21 19:19:26 by Dan Joseph

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On Wed, Apr 21, 2010 at 1:16 PM, tedd <tedd@sperling.com> wrote:

> I'm no expert on media, but the only difference between CD, DVD, Blu-Ray is
> the amount of data they can hold, right? IOW, you can still record video,
> audio, pictures, files, all digital data on all media - it's just that
> Blu-Ray can hold more than DVD and DVD holds more than CD, isn't that right?
>
>
Speaking purely data, yessir. That's your difference.

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#3: Re: CD, DVD, and Blu-Ray (Not PHP)

Posted on 2010-04-21 19:23:10 by Matty Sarro

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Content-Type: text/plain; charset=UTF-8

From a purely storage standpoing that's correct. The other difference is
that CD and DVD are industry standard formats backed by the ISO. BluRay is a
sony proprietary format.

On Wed, Apr 21, 2010 at 1:19 PM, Dan Joseph <dmjoseph@gmail.com> wrote:

> On Wed, Apr 21, 2010 at 1:16 PM, tedd <tedd@sperling.com> wrote:
>
> > I'm no expert on media, but the only difference between CD, DVD, Blu-Ray
> is
> > the amount of data they can hold, right? IOW, you can still record video,
> > audio, pictures, files, all digital data on all media - it's just that
> > Blu-Ray can hold more than DVD and DVD holds more than CD, isn't that
> right?
> >
> >
> Speaking purely data, yessir. That's your difference.
>
> --
> -Dan Joseph
>
> www.canishosting.com - Unlimited Hosting Plans start @ $3.95/month. Promo
> Code "NEWTHINGS" for 10% off initial order
>
> http://www.facebook.com/canishosting
> http://www.facebook.com/originalpoetry
>

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#4: Re: CD, DVD, and Blu-Ray (Not PHP)

Posted on 2010-04-21 21:24:22 by Karl DeSaulniers

Blue-Ray and HD DVDs come with DRM (Digital Rights Management)
software burnt in the cd.
Anti Copy software. I believe.


Karl

On Apr 21, 2010, at 12:23 PM, Matty Sarro wrote:

> From a purely storage standpoing that's correct. The other
> difference is
> that CD and DVD are industry standard formats backed by the ISO.
> BluRay is a
> sony proprietary format.
>
> On Wed, Apr 21, 2010 at 1:19 PM, Dan Joseph <dmjoseph@gmail.com>
> wrote:
>
>> On Wed, Apr 21, 2010 at 1:16 PM, tedd <tedd@sperling.com> wrote:
>>
>>> I'm no expert on media, but the only difference between CD, DVD,
>>> Blu-Ray
>> is
>>> the amount of data they can hold, right? IOW, you can still
>>> record video,
>>> audio, pictures, files, all digital data on all media - it's just
>>> that
>>> Blu-Ray can hold more than DVD and DVD holds more than CD, isn't
>>> that
>> right?
>>>
>>>
>> Speaking purely data, yessir. That's your difference.
>>
>> --
>> -Dan Joseph
>>
>> www.canishosting.com - Unlimited Hosting Plans start @ $3.95/
>> month. Promo
>> Code "NEWTHINGS" for 10% off initial order
>>
>> http://www.facebook.com/canishosting
>> http://www.facebook.com/originalpoetry
>>

Karl DeSaulniers
Design Drumm
http://designdrumm.com


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#5: RE: CD, DVD, and Blu-Ray (Not PHP)

Posted on 2010-04-22 02:13:39 by Tommy Pham

> -----Original Message-----
> From: Dan Joseph [mailto:dmjoseph@gmail.com]
> Sent: Wednesday, April 21, 2010 10:19 AM
> To: PHP
> Subject: Re: [PHP] CD, DVD, and Blu-Ray (Not PHP)
>
> On Wed, Apr 21, 2010 at 1:16 PM, tedd <tedd@sperling.com> wrote:
>
> > I'm no expert on media, but the only difference between CD, DVD, Blu-
> Ray is
> > the amount of data they can hold, right? IOW, you can still record
> video,
> > audio, pictures, files, all digital data on all media - it's just
> that
> > Blu-Ray can hold more than DVD and DVD holds more than CD, isn't that
> right?
> >
> >
> Speaking purely data, yessir. That's your difference.
>
> --
> -Dan Joseph
>
> www.canishosting.com - Unlimited Hosting Plans start @ $3.95/month.
> Promo
> Code "NEWTHINGS" for 10% off initial order
>
> http://www.facebook.com/canishosting
> http://www.facebook.com/originalpoetry

More data brings the ultimate experience of HD 3D in both video and audio.


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#6: Re: CD, DVD, and Blu-Ray (Not PHP)

Posted on 2010-04-22 11:48:12 by Ashley Sheridan

--=-cYL+fFpab8iOTV0sUavr
Content-Type: text/plain
Content-Transfer-Encoding: 7bit

On Wed, 2010-04-21 at 13:16 -0400, tedd wrote:

> Hi gang:
>
> I'm no expert on media, but the only difference between CD, DVD,
> Blu-Ray is the amount of data they can hold, right? IOW, you can
> still record video, audio, pictures, files, all digital data on all
> media - it's just that Blu-Ray can hold more than DVD and DVD holds
> more than CD, isn't that right?
>
> Cheers,
>
> tedd
>
>
> --
> -------
> http://sperling.com http://ancientstones.com http://earthstones.com
>


I believe they each have certain formats as well, i.e. the way that data
is stored on them. So data stored on a DVD would be laid out in a
different filesystem to a CD with the same data.

Thanks,
Ash
http://www.ashleysheridan.co.uk



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#7: Re: CD, DVD, and Blu-Ray (Not PHP)

Posted on 2010-04-22 14:42:53 by Richard Quadling

On 21 April 2010 18:16, tedd <tedd@sperling.com> wrote:
> Hi gang:
>
> I'm no expert on media, but the only difference between CD, DVD, Blu-Ray =
is
> the amount of data they can hold, right? IOW, you can still record video,
> audio, pictures, files, all digital data on all media - it's just that
> Blu-Ray can hold more than DVD and DVD holds more than CD, isn't that rig=
ht?
>
> Cheers,
>
> tedd
>
>
> --
> -------
> http://sperling.com  http://ancientstones.com  http://earthston=
es.com
>
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> PHP General Mailing List (http://www.php.net/)
> To unsubscribe, visit: http://www.php.net/unsub.php
>
>

As mentioned, in terms of just data, then pretty much yes. Capacity is the =
key.

But, CD, DVD and BlueRay really only describe the technology in the
loosest of terms.

CDs can be created in several formats:

Audio CD / CD-DA / Red Book - This is what you put in your CD player
to listen to music. Can also be extended to be CD-Text, CD+Graphics
(CD+G), CD+Extended Graphics (CD+EG, CD+XG)
Super Audio CD
CD-MIDI
CD-ROM
Video CD (VCD)
Super Video CD (SVCD)
Photo CD (Kodak's format)
CD-i (Philip's)
Enhanced CD / CD Extra / CD Plus
VinylDisc - This one is actually a CD on 1 side and the label has a
vinyl track - can support upto 3 minutes of audio. Need a record
player to listen to it.

And that is JUST CD.

DVD and BlueRay have their own standard and formats.

So, even though the disks all look the same, each format
limits/determines what it can contain, how it is organised and what
the player has to be.

http://en.wikipedia.org/wiki/Compact_disc
http://en.wikipedia.org/wiki/DVD
http://en.wikipedia.org/wiki/Blu-ray_Disc




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