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Thursday, December 05, 2002
INcoder GH32U-A1 DVD/CD-RW

3. CD Error Correction Tests

INcoder GH32U-A1 DVD/CD-RW- Page 3

Error Correction Tests

In the following tests we examined the error correction capabilities of the drive.

- EAC CD-R Test Disc

- Test Results (Max Reading)

Errors total
Num: 43770
Errors (Loudness) dB(A)
Num: 1362
Avg:-68.2 dB(A)
Max: -7.2 dB(A)
Error Muting Samples
Num: 65
Avg: 69.1 Samples
Max: 563 Samples
Skips Samples
Num:5
Avg: 9.6 Samples
Max:24 Samples
Total Test Result
72.4 points (of 100.0 maximum)

The drive starts reporting errors at 12mins. The errors within the black triangle defect, reached the -7.2dB (A) in specific areas. From the five scratches, the first two are repaired fully while the rest produced errors with high signal/noise level of -16dB(A). The score is of 72.4 out of 100 (max), which is an average performance.

- ABEX TCD-721R

- Test Results (Max speed)

Errors total
Num: 1409726
Errors (Loudness) dB(A)
Num: 35370
Avg: -72.7 dB(A)
Max:-18.4 dB(A)
Error Muting Samples
Num: 65740
Avg: 1.0 Samples
Max: 9 Samples
Skips Samples
Num:0
Avg: 0 Samples
Max: 0 Samples
Total Test Result
76.2 points (of 100.0 maximum)

The score for the drive is still average. Even the drive didn't skip any sample, many muting samples were reported and several spikes reached the -18.4 dB (A) giving a 76.2 score.

- ABEX TCD-726

- Test Results (Max Speed)

Errors total
Num: 48223
Errors (Loudness) dB(A)
Num: 240
Avg:-28.8 dB(A)
Max: -20.1 dB(A)
Error Muting Samples
Num:113
Avg:1.0 Samples
Max: 1 Samples
Skips Samples
Num: 1
Avg: 500 Samples
Max: 500 Samples
Total Test Result
74.0 points (of 100.0 maximum)

The TCD-726 was an easy disc for the INcoder GH32U-A1 drive. There were only a few errors in the start and at the 28mins. The spikes reached -20.1 dB (A) giving a score of 74.0 points.

- Conclusion

Test Disc
Reading Speed
Score
EAC CD-R
Max
72.4
ABEX TCD-721R
76.2
ABEX TCD-726
74.0
Average Score
74.2

The drive gets an average 74.2 score out of 100 at our reading error correction tests.

- C2 Information accuracy

- Test Results (MAX Speed)

The C2% score was 99.99% while the quality scores 84.1. The C2% error reporting didn't work with the c2 extract software, so there are no graphs and results from the EAC analyzer.




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