olemus
andmete edastamine liiasusega,
veatõrjekoodiga täiendatult
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a technique based on addition of redundant bits to a bitstream to help the decoder detect and correct some transmission errors without the need for the sender to resend the affected message

ülevaateid
https://en.wikipedia.org/wiki/Error_correction_code#Forward_error_correction

http://abelian.org/fec/pn161218.pdf

standard
https://tools.ietf.org/html/rfc5445