error-correcting code
nounA special way of storing or sending information so that mistakes can be found and fixed automatically.
The satellite uses an error-correcting code so its messages still arrive clearly despite noise.
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OTHER MEANINGS
2. A coding scheme in which extra bits are added so a receiver can detect and repair transmission errors.
Engineers added an error-correcting code to protect the memory chips from random bit flips.
3. The branch of coding theory that studies methods for reliable communication over noisy channels.
She took a course on error-correcting codes and learned about Hamming and Reed-Solomon codes.
4. A technique used in digital storage to keep data intact even when part of the medium is damaged.
The QR code on the poster uses error-correcting coding, so it still scans when partly covered.