Apr 16, Posts: As a side note, DVD readers are also starting to use the “X” notation. The 48 part is easy. But this time it’s against the basic speed of a video DVD. If I remember, some manufacurers have dropped the top speed down a little to prevent various problems. Please help improve this article by adding citations to reliable sources.

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At the higher speeds, the power to constantly change the speed of the disk was excessive, as was the potential for explosive failure. Really a good article. It is for these poor souls that we seek out knowledge from those who have the wisdom.

What does the ‘X’ in a 48X speed CD-ROM mean?

Geek Seniorius Lurkius Registered: Cdrrom more goto “http: If anything, slower can often be better quality and you’ll often see readers and burners slow down if they’re having problems.

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Beginners Guides Cases and Access. An 18 year career as a programmer at Microsoft soon followed. Fri Jul 02, 1: That would explain the one that was in my wall.

I warned him that he should move it before it fell. In the past we would only have used other CD-ROM drives, but I think it is fair to broaden that to simply optical drives these days.

However, only the four-pin analog audio cable is included with the drive. Several formats are used for data stored on compact discs, known as the Rainbow Books.

Samsung SC 52X CDROM Review –

To maintain cdtom linear velocity as the optical head moves to different positions, the angular velocity is varied from rpm at the inner edge to rpm at the outer edge. Jul 9, Posts: Your explanation is the only one I have understood, lol! Like audio CDs CD-DAa CD-ROM sector contains 2, bytes of user data, composed of 98 frames, each consisting of bytes 24 bytes for the user data, 8 52c for error correction, and 1 byte for the subcode.

But if you do, get a vid. Note that both modes, like audio CDs, still benefit from the lower layers of error correction at the frame level.

Thank God I never had one of those 12 inch disks come flying out! Too bad cdromm couldn’t have caught it on film. Retrieved October 24, CD copy protection schemes CD player manufacturers Optical disc authoring software.

CD-ROM drives

At this point it’s unlikely. Wed Jun 30, 9: Optical disc Optical disc drive Optical disc authoring Authoring software Recording technologies Recording modes Packet writing. If cddom reflectivity is too low for the disc to be read accurately, some parts may be skipped or it may result in unwanted audio artifacts such as squeaking and clicking sounds.

Originally posted by vwracer Apparently the estimate of 10krpms is a tad low. Apr 16, Posts: Helping people with computers Sat Jul 03, 6: The brain goes into sleep on your feet mode, and nothing comes out right.