What is the difference between the various types of CD-Rs ..

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Whats the fidderence bewteen teh various types of CR-Rs such as Data,
Audio, Multi-purpose.
DVD-R are a different story - higher capacity and transfer rate.

For storing photos, wouldnt any CD-R be appropriate?
What special about CD-R multi-purpose vs data?

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<usawargamer@yahoo.com> wrote in message
news:1123421986.586115.96120@g43g2000cwa.googlegroups.com...
> Whats the fidderence bewteen teh various types of CR-Rs such as Data,
> Audio, Multi-purpose.
> DVD-R are a different story - higher capacity and transfer rate.
>
> For storing photos, wouldnt any CD-R be appropriate?
> What special about CD-R multi-purpose vs data?

Audio CDs have special coding on them that enables them to work in
consumer-grade CD recorders; a special tax is levied on them thanks to the
efforts of the RIAA to protect the interests of suffering artists (pause for
belly-laugh). The special coding and tax aren't present in data CD-Rs. I'm
not familiar with "multi-purpose" CD-Rs.

From a technical point of view, audio and data discs are the same, at least
if they're made by the same manufacturer. The difference is what they'll
work in.

Peace,
Paul

Archived from groups: rec.audio.pro (More info?)

usawargamer@yahoo.com <usawargamer@yahoo.com> wrote:
>Whats the fidderence bewteen teh various types of CR-Rs such as Data,
>Audio, Multi-purpose.

There are basically two categories: the data ones that everybody uses for
the most part, and the "audio" ones that are designed for the consumer
standalone audio recorders. The audio ones are more expensive because part
of the cost is a "tax" to the RIAA, and they contain some information on the
leadin that is required to make the consumer recorders work.

Within the data discs, though, there are actually dozens of different kinds,
all using different dye formulations. Some are designed for higher speeds,
some for lower speeds. Some are optimized for longevity, others are designed
for lower error rates. Unfortunately, you can't really find out the details
about _this_ stuff other than measuring the error rates yourself on your
drive.

>For storing photos, wouldnt any CD-R be appropriate?
>What special about CD-R multi-purpose vs data?

I have never seen anything marked "multi-purpose" here, but then I mostly
buy crates of Mitsuis.
--scott

--
"C'est un Nagra. C'est suisse, et tres, tres precis."

Archived from groups: rec.audio.pro (More info?)

kludge@panix.com (Scott Dorsey) writes:

> I have never seen anything marked "multi-purpose" here, but then I
> mostly buy crates of Mitsuis.

Can you still get them? Or do you mean MAM-As?

--
Paul Repacholi 1 Crescent Rd.,
+61 (08) 9257-1001 Kalamunda.
West Australia 6076
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