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

Thursday, November 10, 2005
Pioneer DVR-110

2. Reading Tests

- DVD Format

As discussed on the previous page, the DVR-110 has the same capabilities as the previous model, the DVR-110D regarding the CD format reading tests and so, we will be testing only the DVD portion of the test suite. Using Pressed Single and Dual layer DVD media, as well as DVD±R-RW media, we measured the reading speed capabilities for the DVD format. The results are shown in the following graphs.

All three drives support up to 16X reading speed with SL DVD media. The GSA-4167B drive proved to be the fastest with the review drive following close behind.

The two layers of a PTP DVD-ROM disc are read sequentially with the drive starting reading from the inner part of the disc, which is the beginning of each layer, progressing towards the outer range, for each layer. Max supported speed is 12X in this case. The DVR-110 managed to achieve fastest reading speed, although speed differences are negligible.

The graph shown above indicates the reading performance of the drive with OTP dual layer media. The first layer of an OTP dual layer DVD-ROM is read exactly the same way as the first layer of the PTP disc we tested previously. The difference here is the reading strategy of the second layer of the disc. The beginning of the second layer is located in the outer part of the disc, so the drive starts reading from the outer tracks towards the inner part of the disc. Once more, the Pioneer drive holds first place.

With both write once and re-writable media, the reviewed drive came second, with the Plextor 740 reporting the highest reading speeds for both formats.

As with the DVR-110D, the 110 is riplock free and hence achieves great ripping speeds, reporting an average of 13837Kb/s. Great DVD ripping.

- DVD-RAM

The DVR-110 can read DVD-RAM media at up to 5X(CLV) speed where the previous model could read only up to 2X. We can see the reading strategy of the 110 while using a Maxell DVD-RAM disc and Nero CD-DVD Speed. Clicking on the image below will take you to a full CD Speed screenshot.

-Appendix

Nero CD-DVD Speed Graphs




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