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

Friday, September 17, 2004
Pioneer DVR-A08XLA

4. CDSpeed/PlexTools Scans - Page 2

Pioneer DVR-108 DL Recorder - Page 4

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 packages:

  • LiteON SOHD-167T with patched firmware being able to read DVD5 up to 16X CAV and DVD9 up to 10X CAV. For the trasnfer rate tests we used the latest Nero CDSpeed version.
  • 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 POF error rates. Most times, even though a disc has very low PIE/POE error rates, the reading curve may not be smooth exhibiting speed drops. 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.

12X DVD-R Writing Speed

  • CMC Magnetics 8X DVD-R @ 12X

  • TDK 8X DVD-R @ 12X

  • TraxData 8X DVD-R @ 12X

  • TY 8X DVD-R @ 12X

  • Verbatim 8X DVD-R @ 12X

- Summary

The best results were achieved with TY and Verbatim 8X DVD-R media with almost perfect graphs and very low PIE/POE.




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