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Home > Hardware Reviews > Optical Storage > 52x CD-RW

Monday, September 19, 2005
ASUS CRW-5232A-T

3. CD Error Correction Tests

In the following tests we check the drive's behavior when it comes to reading scratched / defective discs. The test discs we used are the ABEX series from ALMEDIO.

- ABEX TCD-721R

Errors total Num: 1356478
Errors (Loudness) dB(A) Num: 141369 Avg: -78.9 dB(A) Max: -35.4 dB(A)
Error Muting Samples Num: 4776 Avg: 1.0 Samples Max: 9 Samples
Skips Samples Num: 0 Avg: 0.0 Samples Max: 0 Samples
Total Test Result 75.3 points (out of 100.0 maximum)

The ASUS drive showed quite good performance with the ABEX TCD-721R. The total error count is a little above average at 1356478 but the loudness error level is low. There are no skipped samples and the total test result score of 75.3 is quite good.

- ABEX TCD-726

Errors total Num: 0
Errors (Loudness) dB(A) Num: 0 Avg: -174.0 dB(A) Max: -174.0 dB(A)
Error Muting Samples Num: 0 Avg: 0.0 Samples Max: 0 Samples
Skips Samples Num: 0 Avg: 0.0 Samples Max: 0 Samples
Total Test Result 100.0 points (out of 100.0 maximum)

The Abex TCD-726 test disc is usually a simpler case for error correction. The CRW-5232A drive performed brilliantly with a total score of 100.

- CD-Check Audio Test Disc

The CD-Check Test Disc is a very useful tool for evaluating the Sound Reproduction / Error correction capabilities of a CD player. The disc offers a signal combination with disc error patterns to rate the drive's abilities to read music and reproduce it completely. Five tracks on the disc contain a sequence of progressively difficult tests. These tracks are referred as Check Level-1 through Check Level-5.

The files are reproduced (played) through a software multimedia player (i.e. Windows Media Player). Each level is considered as passed, if the tone coming out from the speakers is smooth, continuous without interruptions, skipping or looping. The higher the Check Level passed, the more reliable the sound reproduction of the tested device.

Error Level 1 2 3 4 5
ASUS CRW 5232A-T 5/5 5/5 5/5 5/5 4/5

Almost a perfect performance.

- Conclusion
It would appear that the CD error correction capabilities of the ASUS CRW-5232A-T are extremely good. One of the best overall performances with CD defects we have seen from any drive.




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