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Home > Hardware Reviews > Optical Storage

Friday, July 06, 2007
Blu-Ray Writing Quality Tests

4. Testing procedure - The DaTARIUS dataBANK

Testing Process

A combination of Blu-Ray burners and BD-R/RE media were used for this test. All discs were burned at the highest allowed speed using the "Create Disc" function of Nero's CDSpeed utility, which burns the disc with data to its full capacity.

In the table below, you can see all the available media and burners we used in this test.

Media brand Media ID Media type Nominal capacity Writer Writing speed
Memorex
MEI (001)
BD-R
25 GB
LG GBW-H10N vGL02
2X
TDK
TDKBLDRBA (000)
BD-R
25 GB
4X
Verbatim
VERBATIMa (000)
BD-R
25 GB
4X
TDK
TDKBLDWBA (000)
BD-RE
25 GB
2X
Verbatim
VERBATIM0 (000)
BD-RE
25 GB
2X
Sony
SONY (001)
BD-RE
25 GB
2X
TDK
TDKBLDRBA (000)
BD-R
25GB
Liteon LH-2B1S vAL05
2X
Memorex
MEI (001)
BD-R
25GB
2X
Verbatim
VERBATIM0 (000)
BD-RE
25GB
2X
Sony
SONY (001)
BD-RE
25GB
2X
TDK
TDKBLDWBA (000)
BD-RE
25GB
2X
Verbatim
VERBATIMa (000)
BD-R
25GB
Plextor PX-B900A v1.00
2X
TDK
TDKBLDRBA (000)
BD-R
25GB
2X
Verbatim
VERBATIM0 (000)
BD-RE
25GB
2X

As was mentioned in the opening remarks in the first page of this article, we tested the discs in two passes, before and after cleaning.

PASS 1 - Disc tested straight from the box:

The discs were tested without undergoing any specific procedure before testing. Present were some dust particles and visible signs of handling, such as minor scratches and fingerprints.

PHASE 2 Disc professionally cleaned

We randomly selected some of the recorded discs and cleaned them using (professional) air spray and special tissues.

Below you can see a sample picture of a BD-R disc before and after cleaning:

Before cleaning :

After cleaning:

 

DaTARIUS DaTABANK

The BD-R and BD-RE measurements of this test were conducted with the DaTARIUS DaTABANK system. The DaTABANK is DaTARIUS' flagship product, a top-loading, modular design developed following years of research and customer feedback. This all-format analyzer, in expandable banks of four drives, utilizes the patented Quality Web visual method of presenting results.

The new DaTARIUS BD Analyzer driveCube adds Blu-ray Disc analysis to the flagship DaTABANK system. In keeping with the DaTARIUS ‘prepared for the future’ philosophy, the BD Analyzer driveCubes can be specified for new DaTABANK systems or hot-swapped into existing DaTABANKs, thus extending their capability to include BD.

Two versions of the BD recordable driveCube are available: the BDR Analyzer 1X (BDR A 1X) and the BDR Analyzer Stamper 1X. The BD A 1X is used to measure BD recordable (blank and recorded) discs, single and dual layer. The BDR A S1X is a modified version of the BDR A 1X to additionally enable stamper measurements with its unique adapter system. Both driveCubes can also perform measurements on pre-recorded discs and stampers.

The BD driveCube measurement portfolio includes HF, jitter, digital, servo and mechanical. These are essential for Blu-ray Disc producers and format developers to assess the quality of their Blu-ray Disc product. The BD driveCubes are built around the DaTARIUS universal driveCube platform with adherence to format requirements that results in a high degree of repeatability, reproducibility and reliability of measurements.

The user interface is consistent with existing DaTABANK DaTAVIEW and Quality Web analyzer displays. These flexible, user-friendly, and configurable displays deliver the required data in fast and easy to assimilate formats. DaTABANK can be used with a mix of BD, HD DVD and DVD driveCubes to offer comprehensive format analysis.

For additional information, visit the DaTARIUS website.




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