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Samsung SH-S223F

Dec 19,2008 0

3. Defected CD reading tests

 

Review Pages

1. Introduction, specifications
2. CD, DVD reading tests
3. Defected CD reading tests
4. Defected DVD reading tests
5. Testing platform - About the Quantized IQB Omni CD DVD Analyser
6. CD-R writing tests - Taiyo Yuden @48x
7. CD-R writing tests - RITEK @48x
8. CD-RW writibg tests - Verbatim @32x
9. DVD+R writing tests - CMC MAG M01 @18x
10. DVD+R writing tests - DAXON AZ3 @16x
11. DVD+R writing tests - MCC 004 @20x
12. DVD+R writing tests - PRODISC R05 @16x
13. DVD+R writing tests - YUDEN T03 @22x
14. DVD-R writing tests - CMC MAG AM3 @18x
15. DVD-R writing tests - MCC 03RG20 @18x
16. DVD-R writing tests - PRODISC F02 @16x
17. DVD-R writing tests - TTH02 @16x
18. DVD-R writing tests - TYG03 @22x
19. DVD+R DL writing tests - MKM 003 000 @10x
20. DVD+R DL writing tests - RITEK S06 076 @16x
21. DVD-R DL writing tests - MKM 03RD30 @10x
22. DVD+R DL writing tests - MKM 04RD30 @12x
23. DVD+RW writing tests - MKM A03 000 @8x
24. DVD-RW writing tests - MKM 01RW9X01 @6x
25. DVD-RAM writing tests - M01J5006 @5x
26. DVD-RAM writing tests - MXL22 @12x
27. Summary of writing tests, Overburning, Bit setting
28. 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 : 884201
Errors (Loudness) 47445 Avg: -73.5 dB(A) Max :-10.2 dB(A)
Error Muting Num : 2858 Avg : 1.0 Samples Max : 7 Samples
Skips Num : 0 Avg : 0.0 Samples Max : 0 Samples
Total Test Result 76.9 points (of 100.0 maximum)
C2 Accuracy 96.9 %

A relatively good score for the Samsung drive. There were no skipped samples and the error correction did not start earlier than it should, but the Error Loudness sometimes surpassed the -60 dB(A) border. Noise above that value can sometimes become audible, depending on the music that surrounds it. Thus, we can say that the drive's error hiding feature is mediocre.

- ABEX TCD-726

Errors total Num : 0
Errors (Loudness) Num : 0 Avg : -174.0 dB(A) Max : -174.0 dB(A)
Error Muting Num : 0 Avg : 0.0 Samples Max : 0 Samples
Skips Num : 0 Avg : 0.0 Samples Max : 0 Samples
Total Test Result 80.5 points (of 100.0 maximum)
C2 Accuracy 100.0 %

Pretty good performance here for the error correction mechanisms.

- 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
TSST SH-S223F 5/5 5/5 5/5 0/5 0/5

Playback of the last two tracks (4 and 5) produced audible noise and interruptions. This is a common score among DVD-RW drives and shows acceptable error correction mechanisms. However, there were some drives in the past that had managed to reproduce the all the tracks of this test.

- Summary

A decent behavior here with the drive to easily read the disc with fingerprints and dots on it, whie it was less efficient in reading the scratched one. The performance is above the average so it could get a score of 7 out of 10 here.

 

Review Pages

1. Introduction, specifications
2. CD, DVD reading tests
3. Defected CD reading tests
4. Defected DVD reading tests
5. Testing platform - About the Quantized IQB Omni CD DVD Analyser
6. CD-R writing tests - Taiyo Yuden @48x
7. CD-R writing tests - RITEK @48x
8. CD-RW writibg tests - Verbatim @32x
9. DVD+R writing tests - CMC MAG M01 @18x
10. DVD+R writing tests - DAXON AZ3 @16x
11. DVD+R writing tests - MCC 004 @20x
12. DVD+R writing tests - PRODISC R05 @16x
13. DVD+R writing tests - YUDEN T03 @22x
14. DVD-R writing tests - CMC MAG AM3 @18x
15. DVD-R writing tests - MCC 03RG20 @18x
16. DVD-R writing tests - PRODISC F02 @16x
17. DVD-R writing tests - TTH02 @16x
18. DVD-R writing tests - TYG03 @22x
19. DVD+R DL writing tests - MKM 003 000 @10x
20. DVD+R DL writing tests - RITEK S06 076 @16x
21. DVD-R DL writing tests - MKM 03RD30 @10x
22. DVD+R DL writing tests - MKM 04RD30 @12x
23. DVD+RW writing tests - MKM A03 000 @8x
24. DVD-RW writing tests - MKM 01RW9X01 @6x
25. DVD-RAM writing tests - M01J5006 @5x
26. DVD-RAM writing tests - MXL22 @12x
27. Summary of writing tests, Overburning, Bit setting
28. Final words

 

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