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Home > Hardware Reviews > Optical Storage > DVD Recorders Double Layer

Friday, July 30, 2004
LG GSA-4120B

14. KProbe/PlexTools Scans - Page 3

LG GSA-4120B DL Recorder - Page 13

KProbe/PlexTools Scans - Page 3

In the following screenshots you can see the PI/PIF scans for the DVD-R media we burned with the LG GSA-4120B. The software we used for all measurements is KProbe v2.2.2, and the reader is the LiteOn LDW-811S with "HS0Q patched" firmware, being able to read DVD±R/RW media up to 8X CAV. All scans have been performed at 8X with PI/PIF Sum8. Note that LiteOn drives cannot report PO but PIF errors, despite what KProbe reports. In addition, all discs have been scanned with the PX-712SA v1.03 using PlexTools v2.15 for comparison levels.

Comparing the KProbe/PlexTools scans we can see major differences in the reported PI/PIF error rates. The main explanation is that we have two different readers, with different pickup/chipset combinations, scanning at different reading speeds (8X CAV for KProbe, 2X CLV for PlexTools). It's interesting to see the disc scanned at low & high speeds, since when the error rate increases at a specific disc area, it should appear in both scans... else it would be, perhaps, a reading glitch of the tested reader.

Note: PI/PIF errors only give us a quick look at the error rate of the burned media. Those scans should be taken not as the absolute criteria of the burning quality but as an indication level.

12X DVD+R Writing Speed

  • Maxell 8X DVD+R @ 12X

  • MKM 8X DVD+R @ 12X

  • Ricoh 8X DVD+R @ 12X

  • Taiyo Yuden 8X DVD+R @ 12X

- Summary

The recording quality is outstanding for the 12X writing speed. The best results came with Maxell and TY 8X media with very low error rates from both KProbe and Plextools software. Excellent performance!

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