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Pioneer BDR-S06 XLB (BDR-206 DBK)

Dec 5,2011 0

23. BD-R SL burning - Verbatim BD-R SL 6x LTH

 

Review Pages

1. Features
2. CD,DVD and Blu-ray disc reading tests
3. Reading scratched CDs
4. Reading scratched DVDs
5. How we test
6. CD-R burning - Ritek 40X
7. CD-R burning - TDK 40X
8. CD-RW burning - Verbatim 24X
9. DVD-R SL burning - Moser Bear India 16X
10. DVD-R SL burning - Verbatim 16X
11. DVD-R SL burning - Ritek 16X
12. DVD-R SL burning - DataWrite (TTH02) 16X
13. DVD-R SL burning - Taiyo Yuden 16X
14. DVD+R SL burning - Philips (INFOMER30) 16X
15. DVD+R SL burning - Moser Bear India 16X
16. DVD+R SL burning - Verbatim 16X
17. DVD+R SL burning - Rrodisc R04 16X
18. DVD-R DL burning - Verbatim 8X
19. DVD+R DL burning - Verbatim 8X
20. DVD-RW burning - Verbatim 6X
21. DVD+RW burning - Verbatim 8X
22. DVD-RAM burning - Maxell 5X
23. BD-R SL burning - Verbatim BD-R SL 6x LTH
24. BD-R SL burning - Panasonic BD-R SL for 6X
25. BD-R SL burning - Sony BD-R for 6X
26. BD-R SL burning - Verbatim BD-R for 6x
27. BD-R SL burning - TDK BD-R for 4X
28. BD-R SL burning - Moser Baer India for 6x
29. BD-R DL burning - Panasonic certified for 6X
30. BD-R DL burning - Panasonic BD-R DL for 4X
31. BD-R DL burning - TDK for 4X
32. BD-R DL burning - Verbatim BD-R DL for 6X
33. BD-RE SL burning - Moser Baer India for 2X
34. BD-RE DL burning - Sony (Panasonic) BD-RE DL for 2X
35. BD-RE Dl burning - TDK for 2X
36. Summary of CD, DVD and Blu-ray quality tests
37. Pioneer PureRead tests
38. Final words

 

From this page and for the following we start our Blu-ray disc tests with the Pioneer BDR-S06 XLB burner. We remind you that the drive supports 12x BD-R SL and DL recording with specific media. The discs we used for this test were kindly provided by Mitsubishi Kangaku Media (MKM), the manufacturer of the popular Verbatim branded discs, Moser Baer India, Panasonic and Imation/TDK.

Contrary to other BD burners, the Pioneer drive offers a wide compatibility with many BD-R SL/DL discs for recording at high speeds. For example, you may see some 4x BD-R SL to be burned at 10X and even 12X. Have a look to the following table with the drive's supported BD media list for recording at 8x, 10x and 12x:

Pioneer BD-R S06 XLB v1.06
Max Write Speed
Disc Maker
Media speed
Manufacturer ID
BD-R SL
12X
Sony
4x
SONYNN2
CMC
6x
CMCMAGBA5
Panasonic MEI___RA1
Sony SONY__NN3
MKM VERBATIMe
10X
CMC Magnetics
4x
CMCMAGBA3
Panasonic MEIT02
PHILIPS PHILIPR04
RITEK RITEKBR2
MKM VERBATIMc
TDK TDKBLDRBB
PRODISC PRODISCR0
MBI
6x
MBI___R06
RITEK RITEK_BR3
TDK TDKBLDRBD
LGE LGEBRAS06
8X
Daxon
4x
Daxon_R4X
Infomedia INFOMER30
LGE LGEBRAS04
Umedisc UMEBDR014
Infosource ISMMBDR01
Infomedia
6x
INFOMER40
OPTODISC OTCBDR002
BD-R LtoH
6X
JVC
6x
JVC-AMS6L
MAXELL MAXELLRS2
RITEK RITEK_BO2
TAIYOYUDEN TYG-BDY05
Umedisc UMEBDR116
MKM VERBATIMu
BD-R DL
12X
Panasonic
6x
MEI___RB1
10X
Panasonic
4x
MEI___T02
8X
RITEK RITEK_DR2
MKM VERBATIMd
TDK TDKBLDRFB
RITEK
6x
RITEK_DR3
TDK TDKBLDRFD
MKM VERBATIMf

For our Blu-ray disc recording tests, we used used some of the latest BD-R/RE SL and DL media. Each disc was burned at the highest allowed recording speeds.

We also used Erik Deppe' s Opti Drive Control software for testing the writing quality of each recorded BD-R/RE disc. The software could give you an idea of the writing quality of each disc. For BDs, the following parameters are measured:

  • LDC (Long Distance Code): number of parity errors on LDC codewords per ECC block (32 sectors)
  • BIS (Burst Indication Subcode): number of parity errors on BIS codewords per ECC block (32 sectors)

On a good disc, the average LDC should stay below 13 and BIS should stay below 15, according to the author of the software.

If you are interested in the data recovery methods of the Blu-ray discs, continue reading below. If not, skip the following text and proceed directly to the tests found later on this page :)

Blu-ray Data Recovery Methods: Partial Response - Maximum Likelihood (PRML)

For CD and DVD, the method for data detection was based on a zero crossing point method, using a conventional slicer. Basically, when the analogue signal (output from the optical pick-up) crosses a reference level, it indicates a binary transition. This method has its limitations, notably when the feature size (smallest pit/land) is less than the spot size, the modulation of the light is relatively small (the smaller the pit/spot size ratio the smaller the modulation). Thus, the conventional slicer can create data with non-exact mark/space lengths - otherwise known as jitter, and when this jitter becomes greater than 0.5 of a clock cycle, it becomes a bit error.

For BD, the minimum spot radius ratios are 0.88 and 0.85 of the ratio of DVD. This reduced resolution (low modulation of light by 2T pits) means that it is much more difficult to have effective data detection using a conventional slicer. Boosting the high frequency part of the signal has limited effect because this also increases the InterSymbol Interference (ISI), which is where adjacent pits and lands interfere with each other. This is mainly a problem with the shortest run lengths, particularly those that are smaller than the spot size.

Hence for BD, the Partial Response- Maximum likelihood (PRML) method is used for recovering the data from the signal.

Partial Response (PR) equalization is used to limit the effects of ISI, and then a sequence of bits is evaluated to define the most likely sequence of bits, based upon known allowed sequences. This is the Maximum Likelihood (ML) detection and uses a Viterbi algorithm to determine the ML sequence.

The Blu-Ray disc is more sensitive to burst errors compared to the DVD system. Therefore, the error correction system of Blu-Ray disc should be able to cope well with long burst errors, rather with single (random) errors.

The maximum number of errors that can be corrected depends on the number of parity symbols added. For each two parity symbols added, one error can be corrected. But Blu-Ray uses a more efficient approach to correct the burst errors. It uses a burst indicator mechanism that can detect bursts of errors before the correction starts. The advantage of this method is actually the prior knowledge of the error locations on the decoding process.

These burst indicator used in the Blu-Ray format is called picket code. The pickets are columns that are inserted in between columns of the main data at regular intervals. The main data is protected by a Reed Solomon code, while the pickets are protected by a second independent Reed Solomon code. When decoding (reading), first the picket columns are corrected. The correction information can be used to estimate the location of possible burst errors in the main data.

A BluRay Disc Error Correction Block (ECC Block) can store 64 Kilobytes of user data. This data is protected by the Long Distance Code (LDC) which has 304 code words with 216 information symbols and 32 parity symbols giving a code word of length 248. These code words are interleaved two by two in the vertical direction such that a block if 152 bytes x 469 bytes is formed as shown in the picture above.

A Blu-Ray Disc ECC block contains 4 equally spaced picket columns. The left most picket is formed by the sync pattern at the start of each row. If the sync pattern was not detected properly, that can be an indication for a burst error similar to the knowledge that a symbol of a picket column had to be corrected. The other three pickets are protected by the so-called Burst Indicator Subcode (BIS). The BIS code words are interleaved into three columns of 496 bytes each. Both LDC and BIS codes are decoded by the Reed Solomon decoder.

Reference: BD-ROM Physical Specifications

 

- Disc Info Verbatim BD-R SL 6x LTH

- Burn @ 6X

The disc was recorded at 6x Z-CLV in 16:37 minutes.

- Read

- Quality

The burn looks good as both the average LDC and BIS are low.

 

Review Pages

1. Features
2. CD,DVD and Blu-ray disc reading tests
3. Reading scratched CDs
4. Reading scratched DVDs
5. How we test
6. CD-R burning - Ritek 40X
7. CD-R burning - TDK 40X
8. CD-RW burning - Verbatim 24X
9. DVD-R SL burning - Moser Bear India 16X
10. DVD-R SL burning - Verbatim 16X
11. DVD-R SL burning - Ritek 16X
12. DVD-R SL burning - DataWrite (TTH02) 16X
13. DVD-R SL burning - Taiyo Yuden 16X
14. DVD+R SL burning - Philips (INFOMER30) 16X
15. DVD+R SL burning - Moser Bear India 16X
16. DVD+R SL burning - Verbatim 16X
17. DVD+R SL burning - Rrodisc R04 16X
18. DVD-R DL burning - Verbatim 8X
19. DVD+R DL burning - Verbatim 8X
20. DVD-RW burning - Verbatim 6X
21. DVD+RW burning - Verbatim 8X
22. DVD-RAM burning - Maxell 5X
23. BD-R SL burning - Verbatim BD-R SL 6x LTH
24. BD-R SL burning - Panasonic BD-R SL for 6X
25. BD-R SL burning - Sony BD-R for 6X
26. BD-R SL burning - Verbatim BD-R for 6x
27. BD-R SL burning - TDK BD-R for 4X
28. BD-R SL burning - Moser Baer India for 6x
29. BD-R DL burning - Panasonic certified for 6X
30. BD-R DL burning - Panasonic BD-R DL for 4X
31. BD-R DL burning - TDK for 4X
32. BD-R DL burning - Verbatim BD-R DL for 6X
33. BD-RE SL burning - Moser Baer India for 2X
34. BD-RE DL burning - Sony (Panasonic) BD-RE DL for 2X
35. BD-RE Dl burning - TDK for 2X
36. Summary of CD, DVD and Blu-ray quality tests
37. Pioneer PureRead tests
38. Final words

 

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