Nec ND-2500A

11. C1 / C2 Error Measurements

Review Pages

1. Retail Package - Installation
2. Data CD Reading Tests
3. CD Error Correction Tests
4. DVD Reading Tests
5. DVD Error Correction Tests
6. Protected Disc Tests
7. CD-DA - DAE Tests
8. CD Recording Tests
9. 3T Jitter Tests - Page 1
10. 3T Jitter Tests - Page 2
11. C1 / C2 Error Measurements
12. DVD Recording Tests
13. KProbe PI/PO Error Measurements
14. Conclusion

NEC ND-2500A DVD±RW recorder - Page 11

Writing Quality Tests - C1 / C2 Error Measurements

The C1 / C2 error rate was measured for the recorded discs burned during the previous writing tests (jitter). The software used was UMDoctor Pro II, and the reader was the Optorite DD0203 drive.

Taiyo Yuden 48x recorded at 4x

Taiyo Yuden 48x recorded at 8x

Taiyo Yuden 48x recorded at 16x

Taiyo Yuden 48x recorded at 24x

Taiyo Yuden 48x recorded at 32x

HiSpace 48x recorded at 32x

CMC Magnetics 48x recorded at 32x

Ritek 48x recorded at 32x

Mam 52x recorded at 32x

SKC 48x recorded at 32x

Below is presented information on the CD-R media used in this test.

Disc	ID Code	Capacity
Taiyo Yuden 48X	TaiyoYuden 97m24s01f	79:59:72
HiSpace 48x	97m25s07f	79:59:00
CMC Magnetics 48x	CMC Magnetics 97m26s66f	79:59:71
Ritek 48x	Plasmon 97m27s18f	79:59:74
Mam 52X	Mitsui 97m27s58f	79:59:74
SKC 48X	SKC 97m26s26f	79:59:73

- Summary

According to our measurements, the drive's CD writing quality is very good with all media brands. The C1 levels are all quite low and consistent in their levels. No C2 errors were reported.