LG GSA-4081A

Review Pages

1. Data CD Reading Tests
2. Retail Package - Installation
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. DVD-RAM tests
14. KProbe PI/PO Error Measurements
15. Conclusion

LG GSA-4081B Multi DVD 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 the Optorite DD0203 drive.

The charts below present the resultant C1/C2 error measurement graphs produced when reading various manufacturers media, previously recorded at the indicated speeds with the LG GSA-4081B Multi DVD Recorder. The tests include Taiyo Yuden 48x media with recording speeds of 8x, 12x and 24x, TDK 48x, MC 24x, MAM 48x, HiSpace 48x, Fuji 40x, and Creation 48x media all recorded at 24x.

Taiyo Yuden 48x recorded at 8x

Taiyo Yuden 48x recorded at 12x

Taiyo Yuden 48x recorded at 24x

TDK 48x recorded at 24x

MC 48x recorded at 24x

MAM 48x recorded at 24x

Hi-Space 48x recorded at 24x

Fuji 40x recorded at 24x

Creation 48x recorded at 24

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

Disc	ID Code	Media ID
Taiyo Yuden 48X	Taiyo Yuden Company Limited	97m24s 1f
Creation 48x	Plasmon Data Systems Ltd	97m27s18f
MAM 48x	Mitsui Chemicals, Inc	97m27s58f
TDK 48x	TDK	97m15s05f
MC 48X	Mitsubishi Chemical Corporation	97m34s23f
Hi-Space	Moulage Plastique de l'Ouest	97m25s 7f
Ritek	Ritek Co.	97m15s17f

- Summary

The C1/C2 levels are quite good for all the discs. MAM, Hi-Space and Creation produced some high peaks, representing higher C1 error rates on specific areas.