code error rate; symbol error rate
Technical term in computing and digital communications; refers to the rate at which transmitted symbols or code elements are received incorrectly.
This communication system has a very low code error rate.
ビット誤り率 (bit error rate) is a related metric that counts bit-level errors, while 符号誤り率 counts errors per symbol or code element.
Compound of 符号 (code, sign) + 誤り (error) + 率 (rate). A straightforward technical term.