Error detection determines if the data received through a medium is corrupted during transmission. To accomplish this, the transmitter uses a function to calculate a ...

It has transpired that my supposedly good DVD media isn't so good after all, as some have recorded with CRC errors at the end of the disc. I'd have caught this if I'd ...

I've gotten that on a few older CDRs I burned a few years ago .... and you're probably screwed AFAIK, assuming the disk isn't dirty or doesn't have a buncha fingerprints or something like that.