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Topic: Glass CD - tell me this article is BS (Read 20387 times) previous topic - next topic
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Glass CD - tell me this article is BS

Reply #1 –
$831 dollars per CD.

Yeah, um, no. The purported advantages ascribed to glass CDs in that article are purely related to bitstream recovery. Which, as we all know, means nothing if the bitstream was already perfectly read to begin with.

On top of that, wouldn't glass CDs be much more fragile than polycarb? ie, bending them would cause a shatter rather than springing back to its original shape? I'd want some sort of lifetime warranty - including replacement for user-damaged discs - for that kind of money.

"Tomie Media Solutions" doesn't even show up in Google. For a Japanese media company, I would imagine that means it's pretty damn small.

From what I understand of CD mastering technologies, this is a completely new one that would require a plant to be completely reconfigured, requires a different process for bonding the metal to the glass, etc. And given how many issues have occurred in the past with bit rot for poorly manufactured CDs, that is a very big deal.

For all these reasons, my gut feeling is that this is quite simply an inferior CD, and that the technology must be proven reliable for 10+ years before I'd ever think of investing in it. The risk of them making mistakes on a brand-new process is just too high.

Glass CD - tell me this article is BS

Reply #6 –
Quote
guaranteed not to warp

Maybe it won't warp in the sun, but it *will* warp. Glass does that, eventually.

Glass CD - tell me this article is BS

Reply #7 –
Even a laser vinyl player is a better player is a better idea.

Glass CD - tell me this article is BS

Reply #8 –
Erh, glass has its adavantages over plastic (of course there is also one well-known disadvantage), but what about the dye and the lacquer? That's where the actual data is stored.

Glass CD - tell me this article is BS

Reply #9 –
Quote
The developer of the glass CD claims that CDs made of plastic sound worse than his disc.


Ohh those Japanese engineers they will think of anything  . Can I eat off it is the question we should be asking here?  . It's a rather interesting invention though.

Pointless observation: I liked the poll on the side, which format will last the the longest Blu-Ray or HD-DVD? I am willing to bet Blu-Ray discs will sell in larger quantities in Japan and other countries like the U.S HD-DVD's will sell slightly better if at all. I noticed they are selling both from a retail perspective now. 
budding I.T professional

Glass CD - tell me this article is BS

Reply #10 –
It better be quartz glass, or i can one-up him and sell even more expensive CD's to audiophiles. Then wait five years and come with diamond or some other sillyness and have everyone buy their collections again.

Should i feel bad for planning to part fools from their money?

Seriously though, I'm sure glass has its advantages and disadvantages, but i doubt it will ever become audible or even significant. There are enough ways to make polycarbonate durable, too. Anyone know how that compares to glass?
Veni Vidi Vorbis.

Glass CD - tell me this article is BS

Reply #11 –
Found another link that discusses this:
http://www.gizmodo.com/gadgets/announcemen...ke-a-209270.php

Check out what the first comment says...

Quote
First off the disk produces a better zero. Our zero is less than anybody else's. It's like -1, that's how zero it is. It's so clear that a 0 is never mistaken for an O or and o.

Also most disks stack data in discrete sets of 1's and 0's. So when a reader sees 1,1 it sees 1 and then 1. When a computer sees two ones together on our glass disk, it sees 11. You see it goes to 11, it's louder.

Someone mind explaining what that means? 

Glass CD - tell me this article is BS

Reply #12 –
Quote from: eightfold on
Quote
First off the disk produces a better zero. Our zero is less than anybody else's. It's like -1, that's how zero it is. It's so clear that a 0 is never mistaken for an O or and o.

Also most disks stack data in discrete sets of 1's and 0's. So when a reader sees 1,1 it sees 1 and then 1. When a computer sees two ones together on our glass disk, it sees 11. You see it goes to 11, it's louder.


Hahaha! It's for that extra push over the cliff!

Glass CD - tell me this article is BS

Reply #13 –
I don't see the point, unless your amplifiers also can be turned up to 11, which is of course one louder than most other amps.

Glass CD - tell me this article is BS

Reply #14 –
Quote from: Klyith on
Quote
guaranteed not to warp

Maybe it won't warp in the sun, but it *will* warp. Glass does that, eventually.

Do you have any sources for that? Stained-glass windows that are hundreds of years old do not show any signs of warping or flow, IIRC. (Stained-glass windows flowing to the bottom is a myth.)

Glass CD - tell me this article is BS

Reply #15 –
Glass...

I wonder if you can get the CDs in funny animal shapes as well for that price...

I think Blu-Ray and HD-DVD will be around and the whole argument that Blu-Ray is superior due to more storage space to HD-DVD has been made a moot point as HVD is on the horizon. 

Last time I checked 3.8 Terabytes is greater than 50gb. ;D

So I agree with HotshotGG on the thought that both will be around for those stated reasons. 

Though it is funny to still see Blu-Ray fanboy/girl arguments aimed at HD-DVD spouting that Blu-Ray is superior though with HVD on the horizon (we are talking 2008 to 2010) Blu-Ray's touted superiority falls flat and right now I would rather have the cheaper option than the more expensive option...here I come HD-DVD.
Of course I have to wait until they release that HD-DVD player for the Xbox360, heh heh.

With HVD in the works, how are the Glass boys going to catch up? By using my glass animals idea?

- G
Zune 80, Tak -p4 audio library, Lossless=Choice

Glass CD - tell me this article is BS

Reply #17 –
Quote from: eightfold on
Quote
First off the disk produces a better zero. Our zero is less than anybody else's. It's like -1, that's how zero it is. It's so clear that a 0 is never mistaken for an O or and o.

Also most disks stack data in discrete sets of 1's and 0's. So when a reader sees 1,1 it sees 1 and then 1. When a computer sees two ones together on our glass disk, it sees 11. You see it goes to 11, it's louder.

Someone mind explaining what that means? 



Is that a joke?    It has to be...

Glass CD - tell me this article is BS

Reply #18 –
Looks like it is with the reference to Spinal Tap.
Acid8000 aka. PhilDEE

Glass CD - tell me this article is BS

Reply #19 –
Never seen Spinal Tap before.

Glass CD - tell me this article is BS

Reply #20 –
That DeadWriter quote is very, very obviously a joke. Sorry to anyone who fell for it

I do love what that article says, I was thinking the exact same thing.

Quote
Oh, and glass, yes, way to make the product out a completely indestructible material. Nothing can break, scratch or warp glass. Wait, that's why we invented plastic.


I want to see that Japanese guy ABX his CD versus a regular CD

Glass CD - tell me this article is BS

Reply #21 –
Quote from: kjoonlee on
Do you have any sources for that? Stained-glass windows that are hundreds of years old do not show any signs of warping or flow, IIRC. (Stained-glass windows flowing to the bottom is a myth.)

Huh, so it is. I always believed that, from growing up in a ~150 year old house. All of our downstairs windows had a noticeable ripple that always seems to make a big downward 'u' that looked very much like a flow pattern. It looks good enough that I never questioned the fact the the myth doesn't line up with the rest of the world I know and has easily spotted flaws in logic.

Anyways, glass cds. I wonder what they're using to glue the layers? The same stuff as a regular cd? That might be specialized for plastic...

Glass CD - tell me this article is BS

Reply #22 –
I see absolutely no point in having near-perfect pits on the cd, as long as they are within (red book) specs, preferably with some margin. Any correctly designed playback device should not have problems playing such a disc.

The fact that a glass master is always used as an (intermediate) master for cd replication indicates that there must be some merits in using glass. But it is not for sonic performance. Glass is better suited for the industrial replication process. Price is around $ 250 (high estimate) but then it doesn't look very good since it's an industrial product for internal use and is too big to be used in a standard cd player.
The Japanese glass CD is probably a very nice piece of art.

Luckily the quality of the pits/bits has no influence on the information (audio) they carry, provided it remains within specs.

Glass CD - tell me this article is BS

Reply #23 –
Strange thing. I think that it's a kind of joke/hoax made only to fool "journalists".
First, you have the weight, that is probably going to be more than allowed by the CD standard.
Then, you have to consider why CD are becoming unreadable after a few years: when handled with care, it's not the polycarbonate layer that is altered, but the reflective layer. A glass CD would not improve longevity of the reflective layer.

note: this sounds like "glass master" to me.

Glass CD - tell me this article is BS

Reply #24 –
Surely if you want nearly guaranteed perfect bitstream recovery a USB flash drive would be cheaper and have better capacity? Sure, it wouldn't work in your CD player, but it wouldn't be hard to build a nice looking piece of HiFi kit with a USB port.