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Home > Hardware Reviews > Optical Storage

Thursday, November 15, 2007
Pioneer BDR-202

3. CD Error Correction

In the following tests, we check the drive's behavior and error correction capabilities when reading scratched / defective audio discs. The test discs used were the ABEX series from ALMEDIO.



Errors total
Num : 1840143
Errors (Loudness)
Max :-19.4 dB(A)
Error Muting
Num : 5530
Avg : 1.2 Samples
Max : 582 Samples
Num : 0
Avg : 0.0 Samples
Max : 0 Samples
Total Test Result
75.3 points (of 100.0 maximum)

A relatively good score from the Pioneer drive. There were no skipped samples, and some Errors Loudness spikes, with a maximum of -19.2 dB(A), which is high. However, the average error level is low.


Errors total
Num : 6830
Errors (Loudness)
Num : 3271
Avg : -87.5 dB(A)
Max : -53.4 dB(A)
Error Muting
Num : 34
Avg : 1.0 Samples
Max : 1 Samples
Num : 0
Avg : 0.0 Samples
Max : 0 Samples
Total Test Result
83.9 points (of 100.0 maximum)

This is an average performance. The drive should be better here. Some errors were reported but no skipped samples.

- CD-Check Audio Test Disc

The CD-Check Test Disc is another 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 more difficult tests. These tracks are referred to as Check Level-1 through Check Level-5.

The tracks are reproduced through a software multimedia player (e.g. Windows Media Player). Each level is considered as passed, if the tone is smooth, continuous without interruptions, skipping or looping. The higher the Check Level passed, the more reliable the sound reproduction of the tested drive.

Error Level
Pioneer BDC 202

The drive managed to correctly play the first three tracks. Problems occurred with the fourth and fifth tracks. Average behavior here. Overall, the drive exhibited average performance with our defective test discs.

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