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Home > Hardware Reviews > Optical Storage > DVD Recorders 12x

Monday, April 19, 2004
CyberDrive DX122D

3. 3Tjitter Tests - Page 1

CyberDrive DX122D PREVIEW- Page 3

Writing Quality Tests - 3T Jitter Tests

On an 80min 48X CD-R disc from Taiyo Yuden we burned the same AudioCD project at 8x, 12x, 16x, 24x, 32x. The 3T Pit & Land Jitter graphs are presented here.

- 3T Pit results

As we can easily conclude from the graphs above and below, the drive gives low jitter values using 8x, 12x, 24x and 32x speeds.

The average 3T Pit Jitter values for all recording speeds are illustrated in the following table.

- 3T Land results

The jitter land levels illustrated in the graph above, are very good for all speeds . Once again, recording at 16x the drive gave us really high levels.

The following average values graph confirms a good burning quality of the CyberDrive recorder, except at 16x speed.

Recording Speed
Average 3T Pit Jitter (ns)
Average 3T Land Jitter (ns)
> 35ns
Max 3T jitter values (ns)
8x
29.49
34.83
No
32 Pit, 38 Land
12X
27.17
31.63
No
31 Pit, 35 Land
16X
40
42.63
Yes
40 Pit, 43 Land
24X
31.88
32.98
No
35 Pit, 36 Land
32X
37.54
37.37
Yes
44 Pit, 42 Land
- Summary

CyberDrive is an average recorder, at least with Taiyo Yuden media. The recording quality is poor for 16x and 32x writing while is good for the other speeds. We expect that the upcoming firmware will fix this. In the following page we test the drive's writing quality with other media brands.




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