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Sony BWU-300S 8x Blu-ray burner

Apr 3,2009 0

3. CD error correction tests

 

Review Pages

1. About the Sony BWU-300S BD burner
2. CD, DVD and Blu-ray disc reading tests
3. CD error correction tests
4. DVD error correction tests
5. About the IQB Omni CD DVD Analyzer
6. CD-R writing tests - Taiyo Yuden 48x @48x
7. CD-R writing tests - CMC Magnetics 48x CD-R @24x
8. CD-RW writing tests - Verbatim 32x @24x
9. DVD+R writing tests - CMC MAG M01 16x @16x
10. DVD+R writing tests - MCC 004 16x @16x
11. DVD+R writing tests - PRODISC R04 004 16x @16x
12. DVD+R writing tests - RICOHJPN R03 004 16x @16x
13. DVD+R writing tests - YUDEN000 T03 16x @16x
14. DVD-R writing tests - CMC MAG AM3 16x@16x
15. DVD-R writing tests - MCC 03RG20 16x @16x
16. DVD-R writing tests - RITEKF1 16x @16x
17. DVD-R writing tests - OPTODISCR016 16x @16x
18. DVD-R writing tests - TYG03 16x @16x
19. DVD+R DL writing tests - MKM 003 000 8x @8x
20. DVD-R DL writing tests - MKM03RD30 8x @8x
21. DVD+RW writing tests - MKM A03 000 8x @8x
22. DVD-RW writing tests - MKM01RW6X01 6x @6x
23. DVD-RAM writing tests - MXL16 5x @5x
24. BD-R SL writing tests - Verbatim BD-R 25GB Low-To-High (LTH) VERBATIMw 2x @2x
25. BD-R SL writing tests - Panasonic BD-R 25GB (MEI RA1) 6x @8x
26. BD-R SL writing tests - Moser Baer BD-R 25GB (MBI R06) 6x @6x
27. BD-R SL writing tests - Verbatim BD-R 25GB (VERBATIMc) 4x @4x
28. BD-R SL writing tests - Verbatim BD-R 25GB (VERBATIMe) 6x @6x
29. BD-R SL writing tests - Verbatim 8cm BD-R 7.5GB (VERBATIMa) 2x @2x
30. BD-R DL writing tests - Panasonic BD-R 50GB (MEI RB1) 6x @8x
31. BD-R DL writing tests - Verbatim BD-R 50GB (VERABTIMb) 2x @2x
32. BD-RE SL writing tests - Verbatim BD-R 25GB (VERBATIM0) 2x @2x
33. BD-RE SL writing tests - Verbatim 8cm BD-RE 7.5GB (VERBATIM0) 2x @2x
34. BD-RE DL writing tests - TDK BD-RE 50GB (TDKBLDWfa) 2x @2x
35. Summary of DVD, BD writing tests, BD compatibility, Overburning
36. Final words

 

This series of tests checks the drive's ability to correct/conceal possible erroneous data after reading artificially scratched / defective audio discs. The test discs used were the ABEX series from ALMEDIO.

Specifically, a software compares two audio files using FFT analysis. The first audio file has been extracted by a normal audio disc. The second one is the result of the extraction of the another disc which hold the same audio track, but it also has specific defects on its surface. The similarity factor of the the two tracks unveils the error correction capabilities of the drive.

The differences between the two compared tracks are translated to a signal (noise) illustrated in the following graphs.

- ABEX TCD-721R

 

Errors total Num : 1019568
Errors (Loudness) Num : 50729 Avg : -73.6 dB(A) Max : -15.1 dB(A)
Error Muting Num : 3534 Avg : 1,1 Samples Max : 83 Samples
Skips Num : 0 Avg :0.0 Samples Max 0 Samples
Total Test Result 76,6 points(of 100.0 maximum

The drive's performance on this disc can be commented using the graph above. Error correction is average, starting at the point where the defect is starting to grow, but error hiding mechanisms are not so good. We can tell that by the noise that almost all the time exceeds that -60 db(A) level.

- ABEX TCD-726R

Errors total Num : 9201
Errors (Loudness) Num : 40 Avg : -23.6 dB(A) Max : -16.5 dB(A)
Error Muting Num : 2 Avg : 1.0 Samples Max :1 Samples
Skips Num :0 Avg :0,0 Samples Max 0 Samples
Total Test Result 92.5 points(of 100.0 maximum)

Good performance on this one, with no skips and very few mutings performed. However, the drive could have performed better, as the error loudness at the point of 3 min was very high, and most likely audible. Strangely, though, the defect of the disc does not cover the 3 min point of the audio track.

- 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 1 2 3 4 5
Sony BWU-300S 5/5 5/5 5/5 5/5 0/5

A good performance for the BWU-300S drive here, as it successfully played the first 4 tracks.

Summary

Overall, good error correction mechanisms on CD media.

 

Review Pages

1. About the Sony BWU-300S BD burner
2. CD, DVD and Blu-ray disc reading tests
3. CD error correction tests
4. DVD error correction tests
5. About the IQB Omni CD DVD Analyzer
6. CD-R writing tests - Taiyo Yuden 48x @48x
7. CD-R writing tests - CMC Magnetics 48x CD-R @24x
8. CD-RW writing tests - Verbatim 32x @24x
9. DVD+R writing tests - CMC MAG M01 16x @16x
10. DVD+R writing tests - MCC 004 16x @16x
11. DVD+R writing tests - PRODISC R04 004 16x @16x
12. DVD+R writing tests - RICOHJPN R03 004 16x @16x
13. DVD+R writing tests - YUDEN000 T03 16x @16x
14. DVD-R writing tests - CMC MAG AM3 16x@16x
15. DVD-R writing tests - MCC 03RG20 16x @16x
16. DVD-R writing tests - RITEKF1 16x @16x
17. DVD-R writing tests - OPTODISCR016 16x @16x
18. DVD-R writing tests - TYG03 16x @16x
19. DVD+R DL writing tests - MKM 003 000 8x @8x
20. DVD-R DL writing tests - MKM03RD30 8x @8x
21. DVD+RW writing tests - MKM A03 000 8x @8x
22. DVD-RW writing tests - MKM01RW6X01 6x @6x
23. DVD-RAM writing tests - MXL16 5x @5x
24. BD-R SL writing tests - Verbatim BD-R 25GB Low-To-High (LTH) VERBATIMw 2x @2x
25. BD-R SL writing tests - Panasonic BD-R 25GB (MEI RA1) 6x @8x
26. BD-R SL writing tests - Moser Baer BD-R 25GB (MBI R06) 6x @6x
27. BD-R SL writing tests - Verbatim BD-R 25GB (VERBATIMc) 4x @4x
28. BD-R SL writing tests - Verbatim BD-R 25GB (VERBATIMe) 6x @6x
29. BD-R SL writing tests - Verbatim 8cm BD-R 7.5GB (VERBATIMa) 2x @2x
30. BD-R DL writing tests - Panasonic BD-R 50GB (MEI RB1) 6x @8x
31. BD-R DL writing tests - Verbatim BD-R 50GB (VERABTIMb) 2x @2x
32. BD-RE SL writing tests - Verbatim BD-R 25GB (VERBATIM0) 2x @2x
33. BD-RE SL writing tests - Verbatim 8cm BD-RE 7.5GB (VERBATIM0) 2x @2x
34. BD-RE DL writing tests - TDK BD-RE 50GB (TDKBLDWfa) 2x @2x
35. Summary of DVD, BD writing tests, BD compatibility, Overburning
36. Final words

 

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