detail information
| Posted by | Jan S. |
| Posted on | 21/05/05 21:49 |
Test Disc #5:
The fifth test disc is a Norway Disc DVD+R 4x media:
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Unique
Disc Identifier :
[DVD+R:NANYA-RJB-000]
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Disc
& Book Type : [DVD+R] -
[DVD+R]
Manufacturer Name : [NanYa Plastics
Corp.]
Manufacturer ID :
[NANYA]
Media Type ID :
[RJB]
Product Revision : [Not
Specified]
Disc Application Code : [General Purpose]
Recording
Speeds : [1x , 2.4x , 4x , 6x-8x]
Blank
Disc Capacity : [2,295,104 Sectors = 4,482.6MB = 4.38GB
(4.70GB)]
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**
INFO : Hex Dump Of 'Media Code'-Block Listed Below
** INFO : 4-Byte Header
Preceding 'Media Code'-Block Discarded
** INFO : Format 11h (Method 1) - ADIP
Information
0000 : a1 0f 02 00 00 03 00 00 00 26 05 3f 00 00 00
00 .........&.?....
0010 : 00 00 03 4e 41 4e 59
41 00 00 00 52 4a 42 00 38 ...NANYA...RJB.8
0020 : 23 54 37
15 02 52 6c 02 b4 63 15 15 0b 0a 08 08
#T7..Rl..c......
0030 : 01 19 1e 0c 0c 0c 0d 01 00 00 00 00 00 00 00
00 ................
0040 : 01 00 38 38 02 31 5f 1c 06 2e 23
10 04 1e 1d 01 ..88.1_...#.....
0050 : 00 00 02 31 5f 1c 06
2e 23 10 04 1e 1d 01 00 00 ...1_...#.......
0060 : 02 00 54
70 02 2f 63 67 20 14 0b 0b 01 20 00 00 ..Tp./cg ....
..
0070 : 00 00 02 43 63 67 20 14 0b 0b 01 20 00 00 00 36
...Ccg .... ...6
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[
DVD Identifier - http://DVD.Identifier.CDfreaks.com
]
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AudioDev CATS test results:
Disc id: DVD+R NORWAY DISC
Disc Manufacturer ID: NANYA
Analysis of CATS results:
This is a very bad disc, as shown by the POF errors it causes. The I14/I14H value (ratio between the highest run length amplitude signal and max signal amplitude) is consistently too low, which means that the amplitude of the HF signal is too small for good decoding. Again, the DC jitter and Bottom Jitter are continuously too high, but lower than with disc #3. Furthermore, AudioDev reported that this disc was not totally flat, which probably added vibration and tilt problems during playback.
Our home-made test results:
Scanned with KProbe and Lite-On SHOW-1633S
Scanned with CD-speed and Philips DVDR1640P
|
Drive Info |
ID:1 PLEXTOR DVDR PX-712A V1.05 (#101824) | ||||||||||||||||||||||
|
Test Settings |
Read Speed: |
2X CLV | |||||||||||||||||||||
|
Test Interval Length: |
High Accuracy | ||||||||||||||||||||||
|
Test Result |
Disc Info: |
NEW DVD+R, 4481 MB (NEW) NANYA RJB 00 | |||||||||||||||||||||
| |||||||||||||||||||||||
|
Test Duration |
0:34:19 |
||||||||||||||||||||||
|
Drive Info |
ID:1 PLEXTOR DVDR PX-712A V1.05 (#101824) | ||
|
Test Settings |
Read Speed: |
2X CLV | |
|
Test Result |
Disc Info: |
NEW DVD+R, 4481 MB (NEW) | |
|
Test Duration |
1:07:31 |
||
|
Comparison |
Average |
Max |
Average |
Max |
POF |
|
AudioDev |
267.4 |
1224 |
2.9 |
52 |
- |
|
Lite-On |
268 |
1077 |
4.94 |
31 |
- |
|
Philips |
(67.38) |
(292) |
(0.99) |
- |
(1746) |
|
Plextor |
(34.98) |
(1279) |
- |
- |
(5) |
CATS vs. drives results:
All drives had problems with the end of the disc, where we see that the Focus error measured by the CATS suddenly becomes huge: only the CATS and the Lite-ON drive were able to handle the disc until the end without problem. The Philips drive gave up at 3 GB, while the Plextor lasted a bit more. In this case, we have a disc that the CATS can play from start to end while some drives (Philips, Plextor) have problems doing so.
Head over to the next page where we will have a look at test disc #6…
Test Disc #4
There´s a reason for standards and specifications. It doesn´t matter, that there are many drives which outperforme a 1996 standard DVD ROM drive, if the one you have to use somewhere else doesn´t.
It´s great, if my new burner handles even discs, which reflecting to the standard, are completly f* ->aehm<- messed up, but if my lame notebook drive or the SA DVD Player or the 5 year old installation DVD ROM in my server can´t, it doesn´t really help me.
The specifications and standards are well known and I´m pretty upset, that the manufacturers don´t give a sh*t. If future players can´t play today´s discs, the customer has to worry.
Feel that manufacturers are not doing the R&D, but rather foisting incompetent and unreliable technology onto the buying public - I have decided against going hard drive or Disc for my camcorder. Can only afford one in my lifetime, so am going backwards to DV tape.
I also know many people who are so confused and have heard negative things about new technology such as unrelaibility, incompatability, and lack of longevity- no to mention that with so many avenues to go down, sales people do not know a lot anymore and conflicting sales views confuse the public even more.
It is time that the retailers told the manufacturers - NO - give me products to sell that will please my constomers and I know of at least one major large shop that specialises in Entertainment systems that refuse to sell anybodies DVD recorders due to the problems aforementioned.
This technology has been released too early and the manufacturers do not even know enough so their help lines are often of little help or incorrect advice.
Furthermore to have your pics put onto disc at great cost (commerciallly) and then find that a few years after, some of those pics are lost with more degrading quickly over time- I htink that perhaps the old ghastly VHS tape may be better for longetivity especially with consumer copied material.
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