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Home > Hardware Reviews > Optical Storage > 24x CD-RW

Tuesday, February 19, 2002
TDK CyClone 241040 CD-RW

4. DAE Tests

TDK CyClone 241040 IDE CDR-W - Page 4

DAE Tests

Test Method:
We used CD DAE 99 v0.21 beta and EAC v0.9 prebeta 9 software in order to check the DAE performance of the TDK CyClone 241040 with various AudioCDs (both pressed and CDR). The posted DAE results are the average of both applications, but the CPU usage was only taken from CD DAE 99, since EAC occupies the system a lot more. As a last note, we used the "BURST" reading mode of EAC. We made a full CD Rip starting from the first to the last track of the CD. The Average DAE reported speed along with the CPU Usage is displayed in the test graphs.

- DAE features:
We used EAC v0.9 prebeta 9 to examine the drive's features. As the program reported, the drive doesn't "Caching" data, supports "Accurate Stream" and doesn't support "C2 Error info". All 4 tested drives support up to 40x DAE.

- Pressed AudioCD results: (click here to see the CD Speed 99 graph)
The TDK CyClone 241040 performed well with Pressed AudioCDs and it's average ripping speed (DAE) was 27.7x. The Ricoh 7200A holds the first place and Sanyo BP1500P comes third with 28.9X. Yamaha 2200E comes last since the drive slowdowns a lot after 65mins:

- CDR AudioCD Results: (click here to see the CD Speed 99 graph)
In this test, both TDK and Sanyo drives showed some problems with CDR media. We faced a problem: "...Both drives denied ripping/playback a Taiyo Yuden 80min AudioCD (+CD-Text) disc. The same disc had been used to perform DAE ripping tests with other CD-RW drives and worked fine. Note that both drives did recognize the audio cd (and its tracks) but they refused to playback/rip it..."

We used another CDR media (from Verbatim) for the test result. Its performance was good and got the second place with 26.9X average DAE:

- Advanced DAE Quality:

The TDK drive got a perfect 100 score in the CD Speed 99 Advanced DAE test. The drive produced 0 sync/data errors, and finished the test with 29.29X average speed. The drive can also read CD-Text and SubChannel Data as the CD Speed 99 reports:

- Bad CDR Media results: (click here to see the CD Speed 99 graph)

Despite the fact that CD Speed 99 Advanced DAE test stretches drive's mechanism to the max, we decided to do real life tests with a scratched disc. The disc was dirty, and with some light scratches, enough in order cause problems to most of the tested drives. We used CD DAE 99 software to rip the whole disc (756539616 sectors) and the results are interesting:

Average Speed (X)
Errors Of Total Disc (%)
Ricoh MP7200A
Yamaha 2200E
Sanyo CRD-BP1500P
almost 0
TDK CyClone 241040

As the tests showed, both TDK and Sanyo drives worked very well with the bad CDR media and gave almost 0 errors. However, there was a strange behavior since sometimes the drives produced 0 errors and at some other times they did produce errors (using the same disc). The Ricoh reads it but returns a lot of errors and the Yamaha 2200E comes third showing much fewer errors than the Ricoh drive.

- Ripping 90 and 99min CDs:

As we can see from the above graphs, the TDK CyClone 241040 doesn't have any problems when ripping 90min CDs, and refused to recognize written 99min CDs.

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