Duet CD-R2-U2 CD-RW/DVD COMBO

Review Pages

1. Introduction - Package
2. Data CD Reading Tests
3. CD-R Error Correction Tests
4. DVD Reading tests
5. DVD Error Correction Tests
6. CloneCD Reading Tests
7. DAE Tests
8. Recording Tests
9. Writing Quality Tests
10. HS-RW Writing Tests
11. Conclusion

Duet CD-R2-U2 slim CD-RW/DVD combo - Page 3

Error Correction Tests

In the following tests we examined the error correction capabilities of the Duet LSC-24081 when reading recorded CD-R's.

- EAC CD-R Test Disc

Errors total	Num: 174938590
Errors (Loudness) dB(A)	Num: 853104	Avg: -25.1 dB(A)	Max: -2.1 dB(A)
Error Muting Samples	Num: 922088	Avg: 17.3 Samples	Max: 3584 Samples
Skips Samples	Num: 356	Avg: 43.9 Samples	Max: 2934 Samples
Total Test Result	47.2 points (of 100.0 maximum)

Duet LSC-24081 gave back many errors. Most of them resulted to output muting. This means that the errors were uncorrectable, or even skipped. The performance is low and the average score is only 47.2 points out of 100.

- ABEX TCD-721R

Errors total	Num: 1354115
Errors (Loudness) dB(A)	Num: 57624	Avg:-70.2 dB(A)	Max: -8.4 dB(A)
Error Muting Samples	Num: 4430	Avg: 3.0 Samples	Max: 1149 Samples
Skips Samples	Num: 10	Avg: 16.8 Samples	Max: 48 Samples
Total Test Result	65.1 points (of 100.0 maximum)

This time the drive gave less errors than previously, but the score is still lower than average. The Loudness errors reached the -8.4 dB(A) and had an average value of -70.2 dB(A). In addition, 4430 samples were muted.

- ABEX TCD-726

The drive gave an average of 76 points out of 100. This time the "errors loudness" occurred were less, and their average level is low, -39.7dB(A) average. No samples were muted but 6 of them were skipped.

Errors total	Num: 43
Errors (Loudness) dB(A)	Num: 64	Avg: -39.7 dB(A)	Max: -14.3 dB(A)
Error Muting Samples	Num: 0	Avg: 0.0 Samples	Max: 0 Samples
Skips Samples	Num: 6	Avg: 538.0 Samples	Max: 588 Samples
Total Test Result	76.0 points (of 100.0 maximum)