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Plextor Writer Discuss, Post your Plextor DVD quality scans here at CD and DVD Writers forum; Quote:

Posted: 13-02-2005

#376

zevia (Senior Administrator and Review Coordinator USA): Posts: 10,456

Quote:

Originally Posted by drpino

can someone run a B/J scan in PT and the same disc in CD/DVD Speed on a BenQ

go get one yourself!

don't just hang around in the benq forum...

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Posted: 13-02-2005

#377

alexnoe (CDFreaks Resident): Posts: 4,695

The attached picture should give you an impression what i meant when saying that there was not really too much correlation between PX712 and PX716 jitter scans...

Attached Images

lg4163b_a102_maxell-002-00_8x_cmpscans.png (37.9 KB, 407 views)

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Posted: 13-02-2005

#378

GeoN (CD Freaks Member): Posts: 210

PlexTools don't shows jitter absolute values at all. Jitter scale isn't graduated, PT only makes relative High-Low marks. Jitter scale also is adaptive and may shift during test. We can see jitter change within one disk, but we can't compare jitter value from two different disks.

Posted: 13-02-2005

#379

alexnoe (CDFreaks Resident): Posts: 4,695

Quote:

Jitter scale also is adaptive and may shift during test.

That is not true. The PlexTools are moving the graph around to add even more confusion, but whatever kind of scale the drive itself is using is not adaptive

Posted: 13-02-2005

#380

GeoN (CD Freaks Member): Posts: 210

Quote:

Originally Posted by alexnoe

That is not true. The PlexTools are moving the graph around to add even more confusion, but whatever kind of scale the drive itself is using is not adaptive

I have in view this: scale-division value is constant, but PT moves up graph level when jitter value has decreased during test.

Some consecutive shots while test running:

Attached Images

	1.png (4.0 KB, 390 views)
	2.png (4.2 KB, 391 views)
	3.png (4.4 KB, 387 views)
	4.png (4.7 KB, 391 views)

Posted: 13-02-2005

#381

drpino (CDFreaks Resident): Posts: 4,916

i can see a pretty obvious correlation btw the jitter graphs in zevia's benq and plextor scans. the plextools is much more pronounced but the dips and rises correlate.

about getting a benq, im in the same boat as Two Degrees

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Posted: 13-02-2005

#382

drpino (CDFreaks Resident): Posts: 4,916

PX-716A
TLA 0202
FW 1.04
Verbatim 16X DVD+R [MCC004]
@12X
PR ON, AS ON

Posted: 14-02-2005

#383

Two Degrees (MyCE Resident): Posts: 5,019

It took almost an hour to run the FE/TE test on that MCC004 disc?

Posted: 14-02-2005

#384

alexnoe (CDFreaks Resident): Posts: 4,695

And how can it take only 10 minutes to run a test at 2x? Is middle accuracy skipping *that* much?

Posted: 14-02-2005

#385

drpino (CDFreaks Resident): Posts: 4,916

the FE/TE test time is wrong...not sure why that happened. possibly because i canceled and restarted it really quickly. and yup, middle accuracy skips quite a bit...you can tell by watching the LSN value while the test is running.

Posted: 14-02-2005

#386

alexnoe (CDFreaks Resident): Posts: 4,695

left: scanned in PX712
right: scanned in PX716

Just look at the jitter graphs...

Attached Images

qchkcmp_verbatim_8x_at_12x.png (19.1 KB, 352 views)

Posted: 14-02-2005

#387

Arrow (CDFreaks Resident): Posts: 774

It seems as if they are different.

Posted: 14-02-2005

#388

erdoke (CD Freaks Senior Member): Posts: 295

Quote:

Originally Posted by alexnoe

And how can it take only 10 minutes to run a test at 2x? Is middle accuracy skipping *that* much?

Yeah, I was wondering about that too. If you read just every second block, some pikes can be missed. Good Accuracy seems to be the 'real' 2X CLV test because it takes around 27 minutes.

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Posted: 14-02-2005

#389

Two Degrees (MyCE Resident): Posts: 5,019

Good Accuracy only takes about 15 minutes. High Accuracy doesn't skip any blocks and is the one that takes about a half-hour to copmlete.

Posted: 14-02-2005

#390

drpino (CDFreaks Resident): Posts: 4,916

Quote:

Originally Posted by Two Degrees

Good Accuracy only takes about 15 minutes. High Accuracy doesn't skip any blocks and is the one that takes about a half-hour to copmlete.

Posted: 14-02-2005

#391

Two Degrees (MyCE Resident): Posts: 5,019

Burner: PX-712A
Firmware: 1.05
Media: Verbatim 8x DVD+R (MCC003)
Burn Speed: 8x
Burning Software: Nero CD-DVD Speed 3.61

These discs are pretty variable. I have a 100 disc spindle of them that I'll be taking back due to extremely high PIE errors at the end of the discs. This particular disc is from a 50 disc spindle and turned out very well. Both the 50 and 100 disc spindles were made at the CMC plant; they need to work on the QC there.

Attached Images

	feTE.png (14.1 KB, 307 views)
	PLEXTOR_DVDR___PX-712A_1.05_14-February-2005_15_54.png (30.0 KB, 310 views)
	pie.png (14.6 KB, 305 views)
	pif.png (13.8 KB, 305 views)

Posted: 15-02-2005

#392

erdoke (CD Freaks Senior Member): Posts: 295

Quote:

Originally Posted by Two Degrees

Good Accuracy only takes about 15 minutes. High Accuracy doesn't skip any blocks and is the one that takes about a half-hour to copmlete.

If so, I can't change Accuracy in PlexTools. I selected Good Accuracy and it always takes around 28 minutes.

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Today begins the rest of your life.

Pioneer DVR-111DBK@111L, Plextor PX740A (@BenQ DW1640), Plextor PX-716A (TLA#0202@TLA#0307 –RMA

), NEC ND-4550A@4551A, BenQ DW1655, Plextor PX-760SA

Posted: 15-02-2005

#393

drpino (CDFreaks Resident): Posts: 4,916

just look at the test durations right above your post...15 & 16 mins.

and here's one at High Accuracy (27mins):

Posted: 15-02-2005

#394

erdoke (CD Freaks Senior Member): Posts: 295

Quote:

Originally Posted by drpino

just look at the test durations right above your post...15 & 16 mins.

That's OK, but I've set it to Good Acccuracy and my tests take 27-28 mins.

Maybe because I run these test 'Track based' instead of 'Range based'?

__________________
Today begins the rest of your life.

Pioneer DVR-111DBK@111L, Plextor PX740A (@BenQ DW1640), Plextor PX-716A (TLA#0202@TLA#0307 –RMA

), NEC ND-4550A@4551A, BenQ DW1655, Plextor PX-760SA

Posted: 15-02-2005

#395

drpino (CDFreaks Resident): Posts: 4,916

probably....i see it greys out the accuracy mode when selecting track based.

Posted: 16-02-2005

#396

[H]itman (CDFreaks Resident): Posts: 919

OEM (RIMA.com) Taiyo Yuden TYG02 8x DVD-R @ 8x
Plextor 716A (TLA 0203) Firmware= 1.04

Attached Images

	8xburn_TYG02_104_3.PNG (47.7 KB, 247 views)
	8xburn_TYG02_104_3_Transfer.png (30.1 KB, 246 views)

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Posted: 16-02-2005

#397

drpino (CDFreaks Resident): Posts: 4,916

nice burn, how do the Plextools scans stack up?

also, is the BenQ really that slow a reader?

Posted: 16-02-2005

#398

[H]itman (CDFreaks Resident): Posts: 919

OEM (RIMA.com) Taiyo Yuden TYG02 8x DVD-R @ 8x
Plextor 716A (TLA 0203) Firmware= 1.04

Attached Images

	8xburn_TYG02_104_4.PNG (48.9 KB, 240 views)
	8xburn_TYG02_104_4_Sum8.png (4.1 KB, 236 views)
	8xburn_TYG02_104_4_Sum1.PNG (16.4 KB, 236 views)

Posted: 16-02-2005

#399

[H]itman (CDFreaks Resident): Posts: 919

I was saving the scans to .png files, and I couldn't figure out why I was getting the scan info. saved with it.(like you all post) I saved it to HTML and did a screen capture on the SUM1 test. Is there an easier way or is that how you all do it?

Posted: 16-02-2005

#400

[H]itman (CDFreaks Resident): Posts: 919

OEM (RIMA.com) Taiyo Yuden TYG02 8x DVD-R @ 8x
Plextor 716A (TLA 0203) Firmware= 1.04

Attached Images

	8xburn_TYG02_104_3.PNG (47.7 KB, 234 views)
	8xburn_TYG02_104_3_Sum8.PNG (16.5 KB, 234 views)
	8xburn_TYG02_104_3_Sum1.PNG (15.9 KB, 232 views)

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