Samsung TS-H552 DL Recorder - Page 2

Transfer Rate Reading Tests

In order to confirm the drive's specifications for CD reading we used one CD pressed media, a copy on CD-R and HS-RW media. The results are illustrated in the following graphs.

- CD Format

The drive confirmed fully, the manufacturer's specifications. Due to its supported 48X reading speed, it was the fastest among the drives with Pressed CD and CD-R media, but proved slowest with RW media.

- DVD Format

We repeated the same tests with DVD media this time.

All drives reported almost the same speeds. The differences are negligible.

The following DVD is a PTP DVD-ROM where the two layers of 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. Pioneer was the fastest due to its higher supported speed.

The graph shown below, indicates the reading performance of the TS-H552 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. The performance is similar with the PTP case.

The two following graphs include the reading performance with recordable and rewritable media, where again the Pioneer drive is the fastest due again to its higher supported speed.

We ripped the contents of a pressed Double Layer movie to the hard disk using the Samsung drive. The results are summarized below:

The Samsung drive was the fastest with an average speed of 6.9X while the maximum reading speed reached 8.5X.

-Appendix Nero CD-DVD Speed Graphs

• CD Pressed / CD-R / US-RW
• DVD Pressed SL / DVD Pressed DL / DVD Pressed DL / DVD-R / DVD-RW / DVD+R / DVD+RW