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52X CD-RW Roundup Vol2

Mar 1,2003 0

12. Writing Quality Tests page 2 - AOpen CRW5224

 

Review Pages

1. Introduction - AOpen CRW5224
2. Introduction - Mitsumi CR-487ETE
3. Introduction - Teac CD-W552E
4. Introduction - Waitec STORM 52/2
5. Data Reading tests
6. Error Correction Tests page 1
7. Error Correction Tests page 2
8. CloneCD Reading Tests
9. DAE Tests
10. CD-R Writing Tests
11. Writing Quality Tests page 1 - AOpen CRW5224
12. Writing Quality Tests page 2 - AOpen CRW5224
13. Writing Quality Tests page 1 - Mitsumi CR-487ETE
14. Writing Quality Tests page 2 - Mitsumi CR-487ETE
15. Writing Quality Tests page 1 - Teac CD-W552E
16. Writing Quality Tests page 2- Teac CD-W552E
17. Writing Quality Tests page 1 - Waitec STORM 52/2
18. Writing Quality Tests page 2- Waitec STORM 52/2
19. RW Writing Tests
20. Conclusion

 

52X IDE CD-RW Recorder Roundup Vol 2 - Page 12

Writing Quality Tests page 2- AOpen CRW5224

We tested the AOpen CRW5224 with a variety of other media in order to check the writing quality performance. Note that the recording speed for each disc is the maximum allowed by the drive.

- 3T Pit results

As we can see from the above graphs, the 3T Pit Jitter exceeds 35ns RED book limit in some areas for almost all media, except from Fuji 40X (recorded at 52X, JustSpeed Off) and Samsung 48X (recorded at 52X, JustSpeed Off). The rest media introduced high 3T Pit Jitter after the 62 min of the disc. Those values reached the 45nsec by the end of the disc. Below are posted the average values for all tested media.

Although the average values are lower than 25nsec, writing at 52X is could be not be risky since the jitter introduced is high by the end of the disc. The Samsung 48X media gave the best results in the 52X speed. The Emtec 48X media (see information in the recording test page) also gave low jitter for the large area of the disc, until the last 5 min where it gave 39nsec.

- 3T Land results

The 3T Land Jitter values are smaller than the corresponding 3T Pit. Again the Samsung media behaved adequately. With Intenso 40X media, the 3T Land jitter value was increased around 40 min, came back to normal until the 60min and reached the 39nsec by the end of the disc. The Mitsui 48X also had lower 3T Land Jitter values than the corresponding 3T Pit ones. Fuji 40X kept up with the good performance.

- Conclusion

Media
3T Pit Jitter (ns)
3T Land Jitter (ns)
> 35ns
Max value (ns)
SKC 48X
37.41
38.71
Yes at 62mins
41 Pit, 35 Land
Mitsubishi Chemicals 48X
31.44
34.24
Yes at 62mins
44 Pit, 41 Land
Mitsui 48X
29.71
26.34
Yes at 68mins
40 Pit, 33 Land
Fuji 40X
29
28.73
No
31 Pit, 32 Land
Samsung 48X
25.05
24.05
No
32 Pit, 28Land
TDK 48X
30.02
28.29
Yes at 62mins
40 Pit, 35 Land
EMTEC 48X
28.73
28.59
Yes at 65mins
39 Pit, 37 Land
Intenso 48X
33.71
38.88
Yes at 62mins
56Pit, 60 Land

AOpen CRW5224 seems to give quality results with Fuji 40X and Samsung 48X media. These discs were recorder at 52X with the JustSpeed function disabled since the drive lowered the recording speed at 40X. The rest media have problems by the end of the disc, where the writing speed reaches the maximum 52X. This does not mean that you cannot safely use these media for AudioCD authoring...

 

Review Pages

1. Introduction - AOpen CRW5224
2. Introduction - Mitsumi CR-487ETE
3. Introduction - Teac CD-W552E
4. Introduction - Waitec STORM 52/2
5. Data Reading tests
6. Error Correction Tests page 1
7. Error Correction Tests page 2
8. CloneCD Reading Tests
9. DAE Tests
10. CD-R Writing Tests
11. Writing Quality Tests page 1 - AOpen CRW5224
12. Writing Quality Tests page 2 - AOpen CRW5224
13. Writing Quality Tests page 1 - Mitsumi CR-487ETE
14. Writing Quality Tests page 2 - Mitsumi CR-487ETE
15. Writing Quality Tests page 1 - Teac CD-W552E
16. Writing Quality Tests page 2- Teac CD-W552E
17. Writing Quality Tests page 1 - Waitec STORM 52/2
18. Writing Quality Tests page 2- Waitec STORM 52/2
19. RW Writing Tests
20. Conclusion

 

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