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

Friday, October 15, 2004
LG GSA-4160B

13. CDSpeed/PlexTools Scans - Page 2

LG GSA-4160B DL Recorder - Page 13

CDSpeed/PlexTools Scans - Page 2

In order to test the writing quality and readability of the burned media we used two readers with two software applications:

  • The LiteON SOHD-167T with patched firmware being able to read DVD5 up to 16X CAV and DVD9 up to 10X CAV. For the transfer rate tests we used the latest Nero CDSpeed version.
  • The Plextor PX-712A with the latest available firmware. For scanning the disc, we used the latest PlexTools version at 2X CLV reading speed, BURST mode, with middle accuracy.

In general, a "perfect" disc should have a smooth reading curve, very low PIE/POE and zero (0) POF error rates. Most times however, even though a disc has very low PIE/POE error rates, the reading curve may not be smooth containing dropoffs. Due to the fact that we oversped the reading capabilities of the LiteON SOHD-167T, such drops are expected, especially near the outer area of the disc.

The measurements below should be taken not as the absolute criteria of the burning quality, but as an indication level

4X DVD-R Writing Speed

  • 3A 8X DVD-R @ 4X

  • Traxdata 8X DVD-R @ 4X

  • SKC 4X DVD-R @ 4X

- Summary

The drive will surely produce error free, good quality discs at this speed. The best results came with 3A media. It should be noted however, that several 8X media could be recorded only at 4X. We are happy to see that LG Electronics aims at quality rather than speed, since this is the only way users will be sure about their writing quality performance.

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