CD/DVD speed glitches removed?

vbimport

#1

Hello,
I use cd/dvd speed to test media quality after burning. When completed the following information is shown:
PI errors
Maximum: 130
Average: 43.11
Total: 471519
PI failures
Maximum: 7
Average: 0.18
Total: 1648
PO failures: 0
Jitter
Maximum: 12.8 %
Average: 10.89 %
Glitches removed: 3
Does anybody know what “Glitches removed” mean?
Thanks