In the following tests, we check the drive's behavior when it comes to reading
scratched / defective discs. The test discs we use are the ABEX series
from ALMEDIO.
- ABEX TCD-721R
|
Errors total
|
Num: 854948
|
|
Errors (Loudness) dB(A)
|
Num: 51160
|
Avg: -74.7 dB(A)
|
Max: -31.6 dB(A)
|
|
Error Muting Samples
|
Num: 2782
|
Avg: 1.1 Samples
|
Max: 89 Samples
|
|
Skips Samples
|
Num: 0
|
Avg: 0.0 Samples
|
Max: 0 Samples
|
| Total Test Result |
76.8 points (of 100.0 maximum) |
Quite good performance. A low total error count and low maximum error loudness level, as well as no skipped samples indicate good performance which is confirmed in the result score of 76.8.
- ABEX TCD-726
|
Errors total
|
Num: 23 |
|
Errors (Loudness) dB(A)
|
Num: 90
|
Avg: -89.0 dB(A)
|
Max: -76.1 dB(A)
|
|
Error Muting Samples
|
Num: 0
|
Avg: 0 Samples
|
Max: 0 Samples
|
|
Skips Samples
|
Num: 0
|
Avg: 0 Samples
|
Max: 0 Samples
|
|
Total Test Result
|
91.0 points (of 100.0 maximum)
|
Unfortunately, the drive could not achieve flawless reading with the 726 test media. A little unexpected considering its performance with the TCD-721R disc previously. Nevertheless, 91.0 points is still good.
- 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 ability 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
tracks 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
|
|
LG GSA-2166D
|
5/5
|
5/5
|
5/5
|
0/5
|
0/5
|
Average performance with this disc, where the drive managed to read the third track without error. In the fourth and fifth tracks, the drive produced audible clicks and so could not fully correct the errors present.
Overall, average to good CD Error Correction mechanism.
