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Home > Hardware Reviews > Optical Storage > CD-RW External

Friday, September 05, 2003
24x CD-RW Slim Combo Roundup Vol1 (Asus SCB-2408 & LiteOn LSC-24081MX)

4. CD Error Correction Tests - Asus SCB-2408

24x Slim CD-RW Combo Roundup Vol.1- Page 4

Error Correction Tests - Asus SCB-2408

In the following tests we check the behavior of Asus SCB-2408 when it comes to reading scratched / defected discs. The test discs we use are the ABEX Test Discs series from ALMEDIO.

- ABEX TCD-721R

Errors total
Num: 910293
Errors (Loudness) dB(A)
Num: 49221
Avg:-73.8 dB(A)
Max:-19.4dB(A)
Error Muting Samples
Num: 2887
Avg: 1.0 Samples
Max: 8 Samples
Skips Samples
Num:0
Avg: 0 Samples
Max: 0 Samples
Total Test Result
76.9 points (of 100.0 maximum)

The Asus SCB-2408 gave back a few loudness errors, and some of them were muted. The reported average error was -73.8dB(A), which is low, and no synchronization problems occurred. The performance of the drive is good and the average score is 76.9 points out of 100.

- ABEX TCD-726

Errors total
Num: 46446
Errors (Loudness) dB(A)
Num: 210
Avg: -16.6dB(A)
Max:-9.6dB(A)
Error Muting Samples
Num: 8
Avg: 3421.3Samples
Max: 3584 Samples
Skips Samples
Num: 0
Avg: 0.0 Samples
Max: 0 Samples
Total Test Result
81.6 points (of 100.0 maximum)

As you can see from the graph, the only errors reported were in the beginning of the test disc. Although the severity of the errors is high, the total number is low, so the total score in this test is 81.6 points out of 100.

- Conclusion

Test Disc
Reading Speed
Score
ABEX TCD-721R
Max
76.9
ABEX TCD-726
81.6
Average Score
79.25

The Asus SCB-2408 drive gets a good average score of 79.25 out of 100 at the reading error correction tests with the Abex Test discs.

- Nero CDSpeed tests
  • ABEX 721R

Nero CDSpeed quality test with the 721R Abex disc gave Asus an adequate quality score: 64.2 points out of 100. However, the estimated C2 accuracy is very low (33.69%) and 245 sync errors were reported.




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