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Aopen DRW8800

Apr 16,2004 0

9. Writing quality - 3T Jitter Tests

 

Review Pages

1. 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. DAE Tests
8. CD Recording Tests
9. Writing quality - 3T Jitter Tests
10. C1 / C2 Error Measurements
11. DVD Recording Tests
12. KProbe PI/PO quality tests
13. Conclusion

 

Aopen DRW8800/AAN - Page 9

Writing Quality Tests - 3T Jitter Tests

Aopen 8x8 supports 32x maximum writing speed for CD-R media. To test the writing quality of the Aopen, we used media from different manufacturers and burned them at the maximum allowed speed. The Pit and Land Jitter of all written media are illustrated in the graphs below.

- 3T Pit results

The jitter levels are low for all media except the AM brand, which means good writing quality.

The above graph shows that the average Pit values of all written media, except AM, is below the 35ns Red Book limit. All discs were written at 32x under P-CAV and the values are very good.

- 3T Land results

As with the Pit jitter level, so too with Land jitter, the writng quality is again good for all tetsted discs, except the AM. The graph below confirms this.

Recording Speed
Average 3T Pit Jitter (ns)
Average 3T Land Jitter (ns)
> 35ns
Max 3T jitter values (ns)
TY 48X
30.68
29.93
No
33 Pit, 33 Land
SmartBuy 52X
28.49
28.76
No
31 Pit, 31 Land
Platinum 48X
30.68
31.00
No
34 Pit, 34 Land
AM 48X
36.46
34.95
Yes
39 Pit, 43 Land
Primedisc 48X
30.24
27.12
No
33 Pit, 32 Land
MAM 48X
30.68
29.95
No
33 Pit, 33 Land

The above table shows that all media produced quality writing. The maximum 3T jitter of all discs are lower than the 35ns Red Book limitation except the AM disc. Aopen proves to be a quality writer with CD-R media.

 

Review Pages

1. 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. DAE Tests
8. CD Recording Tests
9. Writing quality - 3T Jitter Tests
10. C1 / C2 Error Measurements
11. DVD Recording Tests
12. KProbe PI/PO quality tests
13. Conclusion

 

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