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Home > Hardware Reviews > Optical Storage > 24x CD-RW

Monday, February 10, 2003
Plextor PX-S2410TU

3. Error Correction Tests

Plextor PX-S2410TU portable CD-RW drive - Page 3

Error Correction Tests

In the following tests we examined the error correction capabilities of the Plextor PX-S2410TU, while reading a recorded CD-R.

- EAC CD-R Test Disc

- Test Results (Max Reading)

Plextor PX-S2410TU started reporting errors in the 6min. The errors within the black triangle defect, reached -24dB in specific areas. The five scratches also produced errors and the signal/noise level was increased to -7.2(A). The average error level for all the disc is -33.7dB(A), is high enough. In addition, the drive gave many muting and skip samples, resulting to a low score of 52.5 points out of 100 (max).

Errors total
Num: 115367728
Errors (Loudness) dB(A)
Num: 636036
Avg: -33.7 dB(A)
Max: -7.2 dB(A)
Error Muting Samples
Num: 77633
Avg: 1.0 Samples
Max: 622 Samples
Skips Samples
Num: 353
Avg: 44.2 Samples
Max: 2934 Samples
Total Test Result
52.5 points (of 100.0 maximum)

- ABEX TCD-721R

- Test Results (Max speed)

Errors total
Num: 4600553
Errors (Loudness) dB(A)
Num: 172529
Avg: -72.9 dB(A)
Max: -1.1 dB(A)
Error Muting Samples
Num: 20326
Avg: 61.5 Samples
Max: 3584 Samples
Skips Samples
Num: 12
Avg: 7.0 Samples
Max: 12 Samples
Total Test Result
60.8 points (of 100.0 maximum)

Again the drive gave a -72.9dB(A) average error level and many samples were muted. The performance is improved over the previous test, but again the 60.8 points score is less than adequate.

- ABEX TCD-726

- Test Results (Max Speed)

The drive gave a very high score of 79 points out of 100. The amount of errors loudness occurred is not very high, and their level is average. The error samples had an average length of 1.5 samples.

Errors total
Num: 18325
Errors (Loudness) dB(A)
Num: 22288
Avg: -87.8 dB(A)
Max: -32.7 dB(A)
Error Muting Samples
Num: 449
Avg: 1.5 Samples
Max: Samples
Skips Samples
Num: 0
Avg: 0.0 Samples
Max: 0 Samples
Total Test Result
79.0 points (of 100.0 maximum)

- Conclusion

Test Disc
Reading Speed
Score
EAC CD-R
Max
52.5
ABEX TCD-721R
60.8
ABEX TCD-726
79
Average Score
64.1

The Plextor PX-S2410TU gets a low score of 64.1 points out of 100 at our reading error correction tests. The performance is not the expected and should possibly be improved in order the drive to compete other drives in the same category.

- C2 Information accuracy

- Test Results (MAX Speed)

The drive missed 3640179 C2 marks and gave 947 sync errors. The quality score is extremely low since the drive reported many unreadable areas on the disc. Although we cannot compare the EAC tests with the CDSpeed test in terms of numbers, we could say that both tests showed a negative behavior for the Plextor drive. The C2 accuracy is also very low.

The EAC software gave the drive a 62.7% C2 accuracy. In the following table there are the C2 accuracy score for each test with the EAC and ABEX discs.

Test Disc
Reading Speed
INcoder TC24C-C1
Score
EAC CD-R
Max
50.1 %
ABEX TCD-721R
Max
70.9
ABEX TCD-726
Max
67.1
Average Score
62.7




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