1. Package - Installation
TOSHIBA
SD-R5272 DVD±RW
recorder -
Page 1
Toshiba`s
among the few companies that still produces DVD technology. The company has
unveilled quality drives in the past, and currently, after quite some time
of "inactivity", comes up with the new SD-R5272 dual format recorder.
The drive is compatible with all current
formats
such
as DVD-R/RW
and
+R/RW,
CDs
as well as DVD-RAM (read).
Features
The Toshiba drive features 8x DVD-/+R write, 4x DVD-/+RW write, 32x
CD-R write, 16x CD-RW write US, 40x CD-ROM read, 24x CD-RW read, 12x DVD-ROM
read and 2x DVD-RAM read. Buffer underrun protection is also supported.
Specifications
| Host/Interface |
ATAPI (E-IDE), PIO Mode 4, MW DMA mode
2, Ultra DMA/Ultra DMA33 |
| Applicable Write Format
|
CD-R/-RW: Disc at once, Track at once, Session at once,
Packet write
DVD-R: Disc at once, Incremental write
DVD-RW: Disc at once, Incremental write, Restricted
overwrite
DVD+R: Sequential Write
DVD+RW: Sequential Write, Random Write |
| Applicable Write disc
|
CD-R/-RW, HS CD-RW& US
CD-RW: CD-DA, CD+E(G),
CD-MIDI, CD-TEXT, CD-ROM, CD-ROM XA, MIXED MODE CD, CD-I, CD-I Bridge
(Photo-CD, Video-CD), Multi-session CD (Photo-CD,
CD-EXTRA, Portfolio)
DVD-R: DVD-R (Ver 2.0 for General), 8X DVD-R Rev3.0
DVD-RW: (Ver 1.2 for General) 4X DVD-RW
Rev 2.0 DVD+R: DVD+R (4.7GB, Ver 1.2)
DVD+RW: DVD+RW (4.7GB, Ver 1.2) |
| Applicable Formats - Read
|
DVD:DVD-ROM
(DVD-5, DVD-9, DVD-10, DVD-18), DVD-R (Ver. 2.01),
DVD+R (4.7GB, Ver 1.11), DVD-RW (Ver. 1.1), DVD+RW
(4.7GB, Ver 1.2), DVD-RAM (Ver 2.1)
CD: CD-DA, CD+(E)G, CD-MIDI, CD-TEXT, CD-ROM, CD-ROM
XA, CD-I, MIXED MODE CD, CD-I Bridge (Photo-CD, Video-CD), Multi-session
(Photo
CD, CD-Extra, CD-R, CD-RW,
Portfolio), CD-RW, CD-R |
| Data Disc Capacities |
DVD-ROM: 4.377GB (DVD-5), 7.959GB
(DVD-9), 8.754GB (DVD-10), 15.917GB
(DVD-18)
DVD-R: (Ver 1) 3.679 GB
DVD-R: (Ver 2.0) 4.377 GB
DVD-RW: 4.377 GB
DVD-RAM: (Ver 2.1) 4.377 GB
CD: 656.5MB (mode 1), 748.8MB (mode
2) |
| Rotational Speed |
DVD-ROM: (single layer) 7,580rpm (5.0
- 12X CAV)
DVD-ROM: (dual layer) 5,053rpm (3.3
- 8X CAV)
DVD-R,
DVD+R: (read) 5,053 - 5,560rpm (4 - 8X PCAV)
DVD-RW, DVD+RW: (read)
3,790 - 5,560rpm (4 - 6X PCAV)
DVD-RAM: (Ver 2.1) (read) 1,400 - 3,300rpm
(2X ZCLV)
DVD-R: (Ver 2.0) (Write) 1,100 - 2,780rpm
(2X CLV), 2,200 - 5,560rpm (4X CLV), 4,100 - 6,800rpm (4/5/8X ZCLV)
DVD-R: (Ver 2.0) (Write) 550 - 1,390rpm
(1X CLV), 1,100 - 2,780rpm (2X CLV), 2,200 - 5,560rpm (4X CLV)
DVD+R: (Write) 1,380 - 3,300rpm (2.4X
CLV), 2,200 - 5,560rpm (4X CLV), 4,100 - 6,800rpm (4/5/8X ZCLV)
DVD+RW: (Write) 1,380 - 3,300rpm (2.4X
CLV), 2,200 - 5,560rpm (4X CLV)
CD-ROM, CD-R: 8,561rpm
(17.2 - 40X CAV)
CD-DA: Transfer 5,100rpm (10.3 - 24X
CAV)
CD-DA, Video-CD: 1,200
- 2,000rpm (4 - 6X PCAV)
CD-RW: (read) 5,100rpm (10.3 - 24X
CAV)
CD-R: (write) 850 - 1,980rpm (4X CLV),
2,550 - 5,940rpm (12X CLV), 3,400 - 5,940rpm (12, 16X ZCLV), 5,130
- 6,800rpm (12/16/20/24/32X
ZCLV)
CD-RW: (write) 850 - 1,980rpm (4X CLV)
High Speed CD-RW: (Write) 850 - 1,980rpm
(4X CLV), 2,125 - 4,950rpm (10X CLV)
Ultra Speed CD-RW: (Write) 3,400 - 5,940
rpm (12/16X ZCLV) |
| Transfer Rate |
DVD: (Single) 6,760 - 16,224KB/second
DVD: (Dual) 4,432 - 10,816KB/second
DVD-R, DVD+R: 5,408
- 10,816KB/second
DVD-RW, DVD+RW: 5,408
- 8,112KB/second
DVD-RAM: 2,704KB/second
CD: 2,588 - 6,000KB/second (mode 1),
2,950 - 6,843KB/second (mode 2)
CD-RW: 1,294 - 3,000KB/second (mode
1), 1,475 - 3,422KB/second (mode 2)
|
| Access time |
DVD: 130ms, CD: 110ms, DVD-RAM: 200ms |
| Buffer memory |
2 MB with Buffer Underrun Protection |
| Audio output |
Digital and Analogue output |
| Weight |
2.20 lbs. (1.0kg) |
| Dimensions |
1.63" x 5.75" x 7.46" (41.5mm x 146mm x
189.5mm) |


The drive uses a 2MB buffer memory store and supports RAW DAO 96 writing
(CD). The drive does not support Mount Rainier.
The drive uses the RPC II region control, allowing a user to change
the drive's region at most 5 times. For our tests, we set the region
code to 2 (Europe).
- The drive
The
european retail package includes a safety instruction manual, a quick start
guide, a CD which includes the product manual, FAQ/Glossary, DOS drivers,
a second CD with Pinnacle Studio SE v.9 and Instant CD/DVD v.8, mounting screws,
a blank Traxdata
8x DVD+R 4,7GB disc and a blank Verbatim 48x CD-R.
Also there are the internal connection IDE and analogue audio cables as well
as an advertising marker.
The drive's front panel's color is white in colour.
On the tray from
left to right we can see the following: Ultra Speed Compact disc Rewritable
logo,
DVD R/RW logo and RW DVD+ReWritable logo.
Below and on the right hand side we have the power led,
the eject
button.
and
the emergency eject hole.
On the rear panel you can find the analogue and digital audio outputs (SPDIF),
the IDE connector
and the power input.
Removing the screws and opening the drive's cover voids the drive's warranty.
For reference reasons, we post the following pictures. Click on the photos
for
an enlarged view.


The PCB and chipset are manufactured by Toshiba.

- Installation
The device was connected to our test PC and identified
as "TOSHIBA ODD-DVD SD-R5272" under
WinXP. All tests were done with firmware revision v1030.
The following pages include test
results for the Toshiba drive, compared with the NEC ND-2500A and TDK 880N
drives which both have about the same specifications as those of the Toshiba.
2. Data CD Reading Tests
TOSHIBA SD-R5272 DVD±RW recorder - Page 2
Data CD Reading Tests
- Pressed CD results (Click for
CDSpeed results)

From the graph above, we can see that the Toshiba drive was slightly
faster among the three drives and it confirmed the manufacturer's
stated speed specifications.

Although the reported seek times for Toshiba drive weren't the fastest for all
modes,
they are nevertheless quite good.
- CD-R results (Click for
CDSpeed results)

We made a copy of the previous pressed CD in order to test the drive's
behavior with CD-R media. While the average and end speeds were almost identical
to those with pressed media, the start speed is a good deal slower.

Here, the random seek time is quite good, but the full seek time is a little
dissapointing being a good 27ms slower than with the pressed disc.
- ReWritable Media (Click for
CDSpeed results)
For the reading test
we used 24x Ultra Speed rewritable media from Mitsubishi Chemicals.
The
big difference here is due to the fact that the Toshiba drive supports US CD-RW
reading up to 24x.
3. CD Error Correction Tests
TOSHIBA
SD-R5272 DVD±RW
recorder - Page 3
Error Correction Tests
In the following tests we check the drive's behavior when reading
scratched / defective audio discs. The test discs used were the ABEX series
from ALMEDIO.
- ABEX TCD-721R
|
Errors
total
|
Num:
1144745
|
|
Errors
(Loudness) dB(A)
|
Num: 49727 |
Avg:
-71.7 dB(A) |
Max:
-11.6 dB(A) |
|
Error
Muting Samples
|
Num: 10326 |
Avg:
3.2 Samples |
Max:
411 Samples |
|
Skips
Samples
|
Num: 26 |
Avg:
6.0 Samples |
Max:
6 Samples |
|
Total
Test Result |
64.4
points (out of 100.0 maximum) |

The performance with this disc is quite good. The total error
count is about average but the maximum loudness error level is very high at
-11.6 dB(A). There are also a lot of muting sample errors and the number of
skipped samples is also high. The total score could have been better.
- ABEX TCD-726

|
Errors total
|
Num:
7
|
|
Errors (Loudness) dB(A)
|
Num: 3 |
Avg:
-87.9 dB(A) |
Max:
-70.4 dB(A) |
|
Error Muting Samples
|
Num: 0 |
Avg:
0.0 Samples |
Max:
0 Samples |
|
Skips Samples
|
Num:
0 |
Avg:
0.0 Samples |
Max:
0 Samples |
|
Total Test Result
|
94.4
points (out of 100.0 maximum) |

The Abex TCD-726 test disc is a simple test for error correction and so
it's only natural the Toshiba drive perform better than in the previous test.
The total error
count isn`t high, while there are no skips and
any mutes. The total score of 94.4 out of 100 is good, but in general, most
good drives record a score of 100 for this test.
- CD-Check Audio Test Disc
The CD-Check Test Disc is a very useful 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 being reproduced through a software multimedia player (i.e.
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
|
|
Toshiba SD-R5272
|
5/5
|
5/5
|
5/5
|
3/5
|
0/5
|
The drive performed slightly better than average. It managed to playback
5 out of 5 attempts for the first three tracks and 3 out of 5 for the fourth
track. It did not manage to play any attempts for the fifth track, but then
only the best drives mange to read the fifth track.
- Summary
|
Test Disc
|
Reading Speed
|
Score
|
|
ABEX TCD-721R
|
Max
|
64.4
|
|
ABEX TCD-726
|
94.4
|
|
Average Score
|
79.4
|
The total average score for the drive is satisfactory.
4. DVD reading tests
TOSHIBA
SD-R5272 DVD±RW
recorder - Page 4
DVD reading tests
- Single Layer DVD-ROM (Click
for CDSpeed results)
The Toshiba drive's reading speed is quite close to that of the other two
drives, being slightly faster in all cases.
The seek times are very good, especially when compared to the other two drives.
- Dual Layer PTP DVD-ROM (Click for
CDSpeed results)
The two layers of a PTP DVD-ROM disc are read sequentially with the
drive starting the read process from the inner tracks on the disc, which is
the beginning
of each layer,
and progressing outwards towards to the outer tracks for each layer.
Again, the Toshiba drive's reading speed with dual layer DVD is very good.
The seek times were once again the best among the three drives
although the full seek is a little slow.
- Dual Layer OTP DVD-ROM
The
first layer of an OTP dual layer DVD-ROM is read exactly the same way as the
first layer of the PTP disc we tested previously. The difference here is the
reading strategy
of the disc's second layer. The beginning of the second layer is located
in the outer part of the disc, so the drive starts reading from the outer tracks
inwards towards the inner tracks of the disc.
As can been seen in the following screenshot, the OTP dual layer DVD test
disc produced similar speeds as with PTP media. The seek times are also around
the same levels.

- DVD Ripping Tests
We measured the DVD-Video ripping speed of the Toshiba using the
latest version of DVD Decrypter using a pressed
DVD-Video movie.
The Toshiba drive was the fastest. The reported
average transfer rate of 8181 kb/s is a very good.
- DVD Recordable / Rewritable reading Tests
The chart below shows the Nero CDSpeed average reading speed results with
the following media:


Very good performance with the highest speed for all formats. It appears to
be a very fast reader, especially with DVD±R media, since it supports
the P-CAV strategy for the 8x read, rather that the usual 8x CAV apearing
in other burners. In case of DVD±RW, the 6x P-CAV offers competitive
average read speed.
-DVD-RAM
Toshiba
supports reading of DVD-RAM media. The specifications for the drive are
confirmed here by Nero CDSpeed. After the end of the test, the software
reports that the drive read the DVD-RAM under CLV mode. The disc we used for
this test is a Maxell 3x DVD-RAM Ver2.1.
The disc was read at 2x CLV. However, the full seek time result is high.

5. DVD Error Correction Tests
TOSHIBA
SD-R5272 DVD±RW
recorder - Page 5
DVD Error Correction
Tests
In the following
tests we examined the DVD reading capabilities of Toshiba drive
with scratched / defective DVD media. For the tests we used CDVD
Benchmark and Nero CDSpeed. The testing media
comes
from
ALMEDIO.
- Single Layer media
ABEX TDR-821
This is a single sided, single layer DVD-ROM with a 4.7GB capacity, and its
surface has an artificial scratch of dimensions varying from 0.4 to 3.0 mm.
The following transfer rate picture comes from the CDVD Benchmark v1.21 transfer
rate test.
The drive read the contents of the 821 test disc, without reporting any reading
errors. There are also very few speed fluctuations (random yellow
dots), indicating how effortlessly the drive read this disc.
ABEX TDR-825
This is also a single sided, single layer DVD-ROM of 4.7GB capacity. The
data structure of the disc is exactly the same of the TDR-821, with
the difference that there are no scratches on the surface but defective areas
ranging in dimensions from 0.5 to 1.1 mm. There are also fingerprints with
height
between
65 and
75 micrometers.
The drive managed to read the defective area on
the disc without any noteworthy problems.
Again, there are no noticeable speed fluctuations.
- Dual Layer media
ABEX TDR-841
This is an 8.5GB dual layer, single sided DVD-ROM disc with artificial scratches
of dimensions ranging from 0.4 to 3.0mm, on both layers.
Once again the disc was read without reading errors.
ABEX TDR-845
This disc is a single sided, dual layer DVD-ROM disc with capacity of 8.5GB.
The only difference between the TDR-845 and the TDR-841 is that the first includes
both defective areas and fingerprints. The dimensions of the defective areas
range from 0.5 to 1.1 mm and the fingerprints have height from 65
to 75 microns (micrometers).
The test finished successfully without reporting any errors.
The results with all four discs is quite impressive and the drive appears to
have no problems bypassing defects.
ABEX TDV-541
The
TDV-541 is a single sided, dual layer DVD-VIDEO disc, with a capacity of 8.5GB.The
disc is based on the TDV-540 series which is designed for inspection
and adjustment of DVD-VIDEO players. The disc checks the layer switch operation
from layer 0 to layer 1 and also includes testing pictures and signals for
DVD sound files. The current TDV-541 also checks the error correcting
capabilities of the drive and includes
scratches sized from 0.4 to 3.0 mm.
Although the drive performed well in the corresponding test with the single
layer disc, it had to slow down twice.
ABEX TDV-545
The
TDV-545 disc is based on the TDV-540 series. It is a single sided, dual layer
Video/S-2 disc with a capacity of 8.5GB. The TDV-545 includes artificial
black dots on the disc's surface, sized from 0.4 to 1.0 mm. It also has 65
- 75 micrometer high fingerprints.
This time no errors or speed drops were reported.
This disc was not a problem for Toshiba drive.
6. Protected Disc Tests
TOSHIBA
SD-R5272 DVD±RW
recorder - Page 6
Protected Disc
Tests
- Reading Tests
To create an image of the various protected titles onto a hard disk, we
used CloneCD v.4.3.2.2 software and the appropriate settings, depending on
the protection type of the inserted discs. Below the capabilities
of the Nec drive are summarized, according to CloneCD
software. As you can see the drive supports writing of CD+G under RAW DAO:

The game titles we used for each protection scheme are given in the
table below:
Game Title
|
Protection Scheme
|
PSX "NBA Jam Extreme"
|
Lybcrypt
|
Serious Sam The Second Encounter v1.07
|
SafeDisc v.2.60.052
|
VRally II
|
SecuROM v.2
|
PSX Pressed Media

SafeDisc v.2

SecuROM v.2

Toshiba managed to rip the contents of all test discs successfully and gave
the fastest ripping values for all tested games.
- Writing Tests
The Toshiba drive supports the DAO-RAW writing mode.
For checking the drive's EFM correction status, we used 3 different game titles
with different SafeDisc 2 versions having the latest software patches installed.
After making the images of the various titles onto the hard disk, we burned
them (maximum speed) with CloneCD. Two different discs were created for each
title; one with the "Amplify Weak Sectors" enabled and one more with
the
function disabled.
The table below shows the results of the attempted backups and whether
they worked (game installed / played normally), or not.
|
Drive |
Game Title |
SD2 Build |
Settings |
|
Bypass EFM error ON |
Bypass EFM error OFF |
|
Toshiba SD-R5272 |
Max Payne |
v2.51.020 |
Yes |
Yes |
|
Serious Sam - The Second Encounter
v1.07
|
v.2.60.052 |
Yes |
Yes |
The Sims Unleashed |
v.2.8 |
Yes |
Yes |
The Sims Superstar
|
v2.9
|
Yes
|
Yes
|
Fifa 2004 |
v3.1 |
Yes |
Yes |
Excellent behaviour. The drive managed to make working backups of all the
game titles we tried.
7. DAE Tests
TOSHIBA
SD-R5272 DVD±RW
recorder - Page 7
DAE Tests
- Pressed and CDR AudioCD results
The Toshiba drive uses 24x CAV reading strategy for CD-DA.
Below you can see the results from the CDSpeed transfer rate test
with a pressed audio CD:
According
to Nero CDSpeed, the average reading speed was 18.50x, while at the end
of the reading procedure reached the 24.46x speed. The seek times are
good.
We ripped the contents of the same audio disc to our hard disk, using the
CDDAE software. The average ripping speed (burst mode) of
17.5x, was very low.
The same pressed audio disc was copied onto a CD-R and was
read again with CDspeed.
Again,
Toshiba returned the same times, being slower than the other two drives.
- Advanced DAE Quality

In the Nero CD Speed Advanced DAE test, the Toshiba drive returned
an average speed of 17.41x, which is a good performance, and a quality
score
of 100. According to CDSpeed the drive
can read Cd Text and Subchannel Data but this is not the case for Leadin and
Leadout.
- Support of 90/99mins AudioCDs
The Toshiba drive managed successfully to rip and play the contents of the
99min test disc. With the 90min disc there were some audible clicks while playing
back the last two songs.
- Reading/Ripping Protected AudioCDs
For the test procedure we used two audio discs with different
audio protection schemes. We performed the tests for both recognition and
ripping to the hard disk. The software used was Exact Audio Copy.
* Pressed Audio disc protected by Nec Key2Audio (Celine
Dion - New Day
Has Come)
* Pressed Audio disc protected by Cactus Data Shield 200 (Natalie
Imbruglia - White Lilies sIsland)
|
|
Key2Audio |
CDS200 |
|
EAC |
Toshiba SD-R 5272
|
Cannot recognize
|
OK
|
TDK 880N
|
OK
|
OK
|
NEC ND-2500A
|
OK
|
OK
|
The Toshiba drive played back successfully theCactus Data Shield 200 disc
but failed with the Key2Audio protected disc.
8. CD Recording Tests
TOSHIBA
SD-R5272 DVD±RW
recorder - Page 8
CD Recording Tests
- CD-R Writing Tests
The Toshiba drive supports 4x, 12x, 16x, 32x writing speeds.
Below you can see the CDSpeed writing simulation graph with Taiyo Yuden
32x CD-R
media.
The
simulation test under Nero CD Speed, confirmed the manufacturer's specifications
for 32x recording (Z-CLV) although CDSpeed reports P-CAV.The average speed
was 23.26x. Notice that the drive starts recording at 12x, making it slower
than other 32x Z-CLV burners.

- Recording Times

We created an 80min data compilation with Nero Burning
Rom and recorded it on a 700MB disc. The Toshiba drive needed 4:32 minutes
to conclude the burning procedure.
Below we present the best writing times for the Toshiba drive at 4x, 12x,
16x,
32x with a Taiyo Yuden media.

In the following graph you can see the recording times with
various media brands.

- CD-RW Writing Tests
The Toshiba drive supports 16x Z-CLV maximum rewriting speed,
with Ultra Speed rewritable media. Below
you can see the results from the CDSpeed writing simulation test with blank
24x US-RW media from Mitsubishi Chemicals.
The
test once again confirmed the drive's specifications for 16x rewriting. The average
speed at the end of the test was 15.76x.
Again, Toshiba has chosen the Z-CLV writing strategy instead of the expected
CLV for the 16x speed, resulting to slightly higher overall recording times.
We also used Nero Burning Rom software to burn 24x US-RW data media from
Mitsubishi Chemicals again. The data compilation burnt onto the disc, had
a size of 651 MB.
The duration of the recording process was 5:11 minutes.
- Packet Writing Tests
We used InCD and Mitsubishi Chemicals 24x US-RW media for all Packet Writing
tests. The formatted disc had
530mbs of free space. We copied a 403 MB file (412.822 KB) from Hard Disk
(on the same PC as the recorder) to the formatted RW media through Windows
explorer (drag and drop).
Operation
|
Duration
|
Average speed
|
Read
|
3:13 min
|
14.2X
|
Write
|
3:30 min
|
13.1X
|
- Other features
|
Overburning
|
Up to 94:57
|
|
CD text reading/writing
|
Yes
|
9. 3T Jitter Tests - Page 1
TOSHIBA
SD-R5272 DVD±RW
recorder - Page 9
Writing Quality Tests - 3T Jitter Tests
On an 80min 48X CD-R disc from Taiyo Yuden we burned the same AudioCD
project at 4x, 12x, 16x and 32x. The 3T
Pit & Land Jitter graphs are presented here.
- 3T Pit results

As we can easily conclude from the graphs shown above and below, the drive
gives low jitter values for 12x, 16x, 32x speeds. At 4x, the jitter level
is constantly above 35ns, the Red Book limit.
The average
3T Pit Jitter values for all recording speeds are illustrated in the following
table.
The average Pit jitter for recording speeds of 12x and over is
acceptable, and very good for those below.
- 3T Land results

The land jitter levels illustrated in the graph above, are very good
for all speeds except for 4x, as was the case with pit jitter.
The following average values graph confirms the very good burning quality
of the Toshiba recorder.

|
Recording Speed
|
Average 3T Pit Jitter (ns)
|
Average 3T Land Jitter (ns)
|
> 35ns
|
Max 3T jitter values (ns)
|
|
4X
|
38.71 |
39.07
|
Yes |
40 Pit, 40 Land
|
12x |
31.63 |
31.46 |
No |
35 Pit, 35 Land |
|
16X
|
32.34 |
31.20
|
No |
35 Pit, 34 Land
|
32X
|
30.95 |
31.22
|
No |
35 Pit, 35 Land
|
- Summary
Toshiba is a very good recorder, at least with Taiyo Yuden media.
Avoid using the 4x writing speed which had increased jitter levels. In the
following page we test the drive's writing quality with other media brands.
10. 3T Jitter Tests - Page 2
TOSHIBA
SD-R5272 DVD±RW
recorder - Page 10
Writing Quality Tests - 3T Jitter Tests
The same Nero compilation used in the previous jitter tests was used once
again, this time with media from different brands. The recording speed was
the maximum
in all cases. The following graphs indicate the 3T Pit & Land Jitter results.
- 3T Pit results

According to the results we took from the jitter measurements, the Toshiba
drive performed extremely well with all media brands. The SmartBuy, Platinum,
Philips, Primedisc
and Verbatim media proved to be very good combinations with the Toshiba recorder.
The average 3T Jitter values for all manufacturers discs are illustrated in
the following graph.
- 3T Land results

The jitter land values were almost at the same levels with this one of 3T
Pit. Only PrimeDisc media exceeded the 35ns level at the very end.

|
Recording Speed
|
Average 3T Pit Jitter (ns)
|
Average 3T Land Jitter (ns)
|
> 35ns
|
Max 3T jitter values (ns)
|
Platinum 48x |
26.78 |
26.29 |
No |
30 Pit, 29 Land |
Verbatim 48x |
29.56 |
27.05 |
No |
32 Pit, 29 Land |
PrimeDisc 48x |
31.20 |
32.59 |
Yes |
34 Pit, 36 Land |
Philips 52x |
29.83 |
30.95 |
No |
33 Pit, 34 Land |
SmartBuy 52x |
28.49 |
28.02 |
No |
30 Pit, 29 Land |
- Summary
The drive performed very well in the CD recording tests with all the media
brands we tested. The writing quality is highl.
On the following page we check the C1 and C2 error rates for the same discs.
11. C1 / C2 Error Measurements
TOSHIBA
SD-R5272 DVD±RW
recorder - Page 11
Writing Quality Tests - C1 / C2 Error Measurements
The C1 / C2 error rate was measured for the recorded discs burned during the
previous writing tests (jitter). The software used was UMDoctor Pro II, and
the reader was the Optorite DD0401 drive.
-
Taiyo Yuden 48x recorded at 4x

-
Taiyo Yuden 48x recorded at 12x

-
Taiyo Yuden 48x recorded at 16x

-
Taiyo Yuden 48x recorded at 32x
-
Verbatim 48x recorded at 32x


-
SmartBuy 52x recorded at 32x

Below we present information regarding the CD-R
media used in this test.
|
Disc
|
ID Code
|
Capacity
|
|
Taiyo Yuden 48X
|
TaiyoYuden 97m24s01f
|
79:59:72
|
Platinum 48x
|
Unknown 97m17s06f
|
79:59:74
|
|
Verbatim 48x
|
Mitsubishi 97m34s23f
|
79:59:73
|
PrimeDisc 48x
|
Ritek 97m15s17f
|
79:59:70
|
SmartBuy 52X
|
Prodisc 97m32s19f
|
79:59:71
|
Philips 52X |
Ritek 97m15s17f |
79:59:70 |
- Summary
According to our measurement, the drive's CD writing quality is very good
with all of our media brands we tested. The C1 levels are all low, while there
were no C2
errors reported.
12. DVD Recording Tests
TOSHIBA SD-R5272 DVD±RW recorder - Page 12
DVD Recording Tests
- Writing Performance
The Toshiba drive supports DVD-R/RW and DVD+R/RW writing. The maximum
supported speed for DVD+R and DVD-R is 8x Z-CLV and 4x CLV
for
DVD+/-RW media.
8x DVD+R
An
8x DVD+R disc from Mitsubishi Kagaku was used to check the 8x writing strategy
of the drive. The software used was Nero CDSpeed, with its "create disc" function.
The
drive started writing at 4.02x, and ended at 8.06x with an average speed
of 6.44x. The writing strategy here is different than what we have experienced
with other 8x Z-CLV burners. The drive jumps to 5x at the 0.2GB mark and keeps
this speed until the 2.2GB mark, before reaching the maximum 8x. This gives
the drive a lower average speed (6.44x), compared to other drives (~6.8x).

Verbatim 8x DVD-R
The simulation with the 8x DVD-R was similar to that of the
8x DVD+R media. In this test we used Verbatim media.

Mitsubishi Chemicals 4x DVD+RW

Mitsubishi Kagaku 4x DVD-RW

- Burning Tests
The best recording times are illustrated in the following table. The values
were taken after burning 4315MB of data on various DVD±R, DVD±RW
media, using the maximum allowed writing speed for each disc. For
comparison, we
also include
the
writing
times for the
TDK 880N and Nec ND-2500A.
With both plus and minus media, the Toshiba was marginally slower than the
the other two drives, but the times are nonetheless good.
The table below presents the writing speeds, media name and media code for
the various
discs used.
Media
|
Code
|
Speed |
CMC Magnetics 8x DVD+R |
CMC MAG F01 |
4x |
Philips 8x DVD+R |
PHILIPS C08 |
4x |
Mitsubishi Kagaku 8x DVD+R |
MCC 003 |
8x |
CMC Magnetics 4x DVD+R |
CMC MAG F01 |
4x |
Maxell 4x DVD+R |
YUDEN000T01 |
8x |
Taiyo Yuden 4x DVD-R |
TYG01 |
8x |
Mitsubishi Chemicals 4x DVD-R |
MCC 01RG20 |
4x |
CMC Magnetics 8x DVD-R |
CMC MAG AE1 |
8x |
Verbatim 8x
DVD-R |
MCC 02RG20 |
8x |
MAM 4x DVD-R |
Mitsui MCI4XG01 |
4x |
Maxell 4x DVD-R |
TYG01 |
8x |
Mitsubishi Kagaku 4x DVD+RW |
MKM A02 |
4x |
Maxell 4x DVD+RW |
PHILIPS 041 |
4x |
JVC 4x DVD-RW |
JVC0VictorD7 |
4x |
Mitsubishi Kagaku 4x DVD-RW |
MCC 01RW4X |
4x |
- Packet Writing Tests
For this test we copied a 403 MB file (412.822 KB) from the hard disk (on
the same PC as the recorder) to the formatted RW media through Windows explorer
(drag and drop).
DVD-RW
|
Duration
|
Average speed
|
Read
|
2:35 min
|
1.9X
|
Write
|
1:21 min
|
3.77X
|
DVD+RW
|
Duration
|
Average speed
|
Read
|
2:41 min
|
1.89X
|
Write
|
1:18 min
|
3.92X
|
13. KProbe PI/PO quality tests
TOSHIBA SD-R5272 DVD±RW recorder - Page 13
PI/PO
quality results
The following screenshots present the PI/PO results for various DVD-/+R
and DVD-/+RW media, recorded with the Toshiba SD-R 5272 at the maximum allowed
speed.
The software used for the measurements was KProbe v1.1.28, the ECC was
set to 8 and the reading drive was the LiteOn LDW-811S. The specific methodology
is very dependable on the
drive
used as a reader, while the reliability of the PI/PO provided output is
not also technically confirmed. Thus as a result, we cannot safely come up
with conclusive results,
although we do make a comparison
of the drive's behavior
when using
various
DVD recordable/rewritable
media.
The recording discs used are presented below, coming with
details about each disc type.
-
CMC Magnetics 8x DVD+R (recorded
at 4x)

-
Mitshubishi Kagaku 8x DVD+R

-
Maxell 4x DVD+R (recorded
at 8x)

-
Philips 8x DVD+R (recorded
at 4x)


-
Mitshubishi Chemicals 4x
DVD+R


-
Taiyo Yuden 4x DVD-R (recorded
at 8x)

-
Mitshubishi Chemicals 4x DVD-R

-
Mitshubishi Kagaku Verbatim 8x DVD-R

-
Maxell 4x DVD-R (recorded at
8x)


Unable for reading, even in the same drive.

-
Mitshubishi Kagaku 4x DVD+RW


-
Mitshubishi Kagaku 4x DVD-RW

Media
|
Code
|
CMC Magnetics 8x DVD+R
|
CMC MAG F01
|
Philips 8x DVD+R
|
PHILIPS C08
|
Mitsubishi Kagaku 8x DVD+R |
MCC 003 |
CMC Magnetics 4x DVD+R |
CMC MAG F01 |
Maxell 4x DVD+R
|
YUDEN000T01
|
Taiyo Yuden 4x DVD-R
|
TYG01
|
Mitsubishi Chemicals 4x DVD-R
|
MCC 01RG20
|
CMC Magnetics 8x DVD-R
|
CMC MAG AE1
|
Mitsubishi Kagaku & Verbatim 8x DVD-R |
MCC 02RG20 |
MAM 4x DVD-R |
Mitsui MCI4XG01 |
Maxell 4x DVD-R
|
TYG01
|
Mitsubishi Kagaku 4x
DVD+RW
|
MKM A02
|
Maxell 4x DVD+RW
|
PHILIPS 041
|
JVC 4x DVD-RW
|
JVC0VictorD7
|
Mitsubishi Kagaku 4x DVD-RW
|
MCC 01RW4X
|
The drive reported good writing quality with the most media we tested.
However we experienced a few cases where the PI/PO values were slightly high.
14. Conclusion
TOSHIBA
SD-R5272 DVD±RW
recorder - Page 14
Conclusion
|
Pros
|
Cons
|
- 8x DVD+R/-R
writing
- 4x DVD+RW/-RW
writing
- DVD-RAM
reading
- 32x CD-R recording
- Fast DVD-Video ripping
- Very good
CD writing quality
- Good
DVD writing quality
- CD/DVD
compatibility
- Working backups of protected CDs
- Overburning
- Very well
priced
|
- CD-RW
reading could be faster
- Doesn't
support Key2Audio protected disc.
- 24x DAE
could be higher
- High seek
times with DVD-RAM
|
The drive's CD reading ability is good with relatively low seek
times. The CD error correction is satisfactory but we would
like it to be better.
As for DVD reading, the Toshiba drive was fast with both recordable and pressed
media. The seek times were rather low. The drive's DVD error correction
ability is excellent. Only the ABEX TDV-541 disc presented some minor problems,
where the drive had to lower speed in order to read the defective areas,
otherwise, it managed
to playback
all
of our
test
discs
without
reporting
any errors.
The
drive managed to make working backups of protected CDs, having fast ripping
times with all
game
types
we tried.
According to the DAE test, the drive had slow speed while it was also slow
for on the flay copying. The drive supports the Cactus Data Shield 200 protection
scheme. With the Key2Audio protected disc, the drive could not recognize
the disc
and of course rip or play the contents. SD-S5272 reported some minor problems
when it came to playing the 90 minute
AudioCDs. This wasn't the case with the 99min CD.
In the CD recording tests, the Toshiba drive performed very well. The supported
32x maximum writing speed is high enough for a DVD burner. However we would
prefer to see the writing speed for CD-RW media to be 24x rather than 16x.
Also, the CD writing quality was high, with all media brands we used. From
our tests,
we
would recommend that it would be better to avoid recording at 4x
speed, as at this speed the drive did not return the best results.
In the DVD recording tests, the drive performed admirably with high
compatibility with all media formats, except with MAM media where it was impossible
to
read it, even with the Toshiba drive itself. Also, it recorded at 8x speed
with many DVD+/-R brands which supported 1-4x writing. The PI/PO levels were
low, in most cases. This is a strong point of the Toshiba SD-R5272.
Concluding, we can say that the drive had very good performance
and it will prove to be a very competitive drive. Toshiba has done a very good
job here and we welcome this effort. With an approximatelly €100 price
tag, the SD-R5272 gained our respect and deserves the Editor's Choice Award.