单选题Jitter is an unwanted variation of one or more characteristics of a periodic signal in electronics and telecommunications and（）refers to call issues that cause variations in timing or time of arrival.AechoBjitterCpacket lossDdigitized sampling
单选题
Jitter is an unwanted variation of one or more characteristics of a periodic signal in electronics and telecommunications and（）refers to call issues that cause variations in timing or time of arrival.
A
echo
B
jitter
C
packet loss
D
digitized sampling
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