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Home > Hardware Reviews > Optical Storage > CD-ROM

Friday, November 22, 2002
TEAC CD-552E CD-ROM

3. CD Error Correction

Teac CD-552E IDE CD-ROM - Page 3

Error Correction Tests

In the following tests we examine the error correction capabilities of TEAC CD-552E.

- EAC CD-R Test Disc

- Test Results (Max Reading)

The errors within the black triangle defect reached the -24dB in specific areas and gave an average of -24.3dB(A). The five scratches produced high error spikes and after the fifth scratch the drive seems to loose control. The score is only 52.8 out of 100 (max), which is considered as low for a CD-ROM drive.

Errors total
Num: 115230115
Errors (Loudness) dB(A)
Num: 581862
Avg: -29.0 dB(A)
Max: -7.2 dB(A)
Error Muting Samples
Num: 76648
Avg: 1.0 Samples
Max: 622 Samples
Skips Samples
Num: 353
Avg: 44.2 Samples
Max: 2934 Samples
Total Test Result
52.8 points (of 100.0 maximum)

- ABEX TCD-721R

- Test Results (Max speed)

Errors total
Num: 1276251
Errors (Loudness) dB(A)
Num: 51386
Avg: -72.0 dB(A)
Max: -5.1 dB(A)
Error Muting Samples
Num: 5664
Avg: 13.4 Samples
Max: 574 Samples
Skips Samples
Num: 0
Avg: 0 Samples
Max: 0 Samples
Total Test Result
73.6 points (of 100.0 maximum)

The score for TEAC CD-552E is 73.6 points out of 100. The error spikes reached several times the -5.1 dB(A).

- ABEX TCD-726

- Test Results (Max Speed)

The TEAC CD-552E performed well with the ABEX TCD-726 test disc. The drive at 16mins produced a high spike that reached -5.9 dB(A) and the total score is 77.5 points out of 100 (average).

Errors total
Num: 2140
Errors (Loudness) dB(A)
Num: 61
Avg: -46.9 dB(A)
Max: -5.9 dB(A)
Error Muting Samples
Num: 27
Avg: 5.9 Samples
Max: 43Samples
Skips Samples
Num: 1
Avg: 494Samples
Max: 494 Samples
Total Test Result
77.5 points (of 100.0 maximum)

- Conclusion

Test Disc
Reading Speed
Score
EAC CD-R
Max
52.8
ABEX TCD-721R
73.6
ABEX TCD-726
77.5
Average Score
67.97

Teac CD-552E gets an average score of 67.97 out of 100 in the reading error correction tests.

- C2 Information accuracy

- Tests Results (Max Speed)

CD Speed reported many compare errors and (165) sync errors for TEAC CD-552E. As a result, the quality score for the drive is 82.6 points out of 100, and is considered as good. The C2 accuracy is calculated at 93.57%, while the EAC results are the same (with the ABEX TCD-721R)

Test Disc
Reading Speed
Score (%)
EAC CD-R
Max
50
ABEX TCD-721R
96.1
ABEX TCD-726
87.3
Average Score
77.8




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