4 ms·
Audio CDs can survive a bit of degradation to the odd data bits here or there; the music will just skip the millisecond of missing data and your ears won’t noti
by iamphilrae 7y ago
Audio CDs can survive a bit of degradation to the odd data bits here or there; the music will just skip the millisecond of missing data and your ears won’t notice. Likewise with vinyl. Data discs on the other hand have the issue that if a single data bit is lost, a whole file could be corrupted, especially if it’s a zipped file.
In addition, printed audio CDs are of a different build than CD-Rs which have been found to not be as resistant to moisture and light.
- jandrese 7y agoIt takes more than a single bit--there are Huffman codes built into the spec, but it is certainly possible for the bits to degrade enough to render a sector or even the whole disc unreadable.
- pmiller2 7y agoIf you're serious about using optical media as archival storage, you can mitigate this by incorporating your own error correcting codes into the data storage format.
- kevin_thibedeau 7y agoFWIW. CD-ROM has stronger FEC than CD-DA. It still won't protect you from bit rot, particularly on writable media. https://en.wikipedia.org/wiki/CD-ROM#CD-ROM_format https://en.wikipedia.org/wiki/CD-ROM#CD-ROM_format
- rasz 7y agoCDROM bit rot is mostly the paint flaking off, but the real data is stored in the plastic. DVD should be even harder to bitrot because data is entirely inside the plastic. Burned disks are another story.
- dsego 7y agoYou must be joking. Try to scrape off the paint and keep the plastic, see if it works.
- rasz 7y agobitrot is paint flaking off, not someone purposefully scratching it off
- kevin_thibedeau 7y agoIt is primarily humid air diffusing through the platter and corroding the aluminum coating. The "bits" are sandwiched between two layers of plastic (one thin). The paint on the surface is irrelevant.