Philips
JR24CDRW external CD-RW -
Page 4
DAE Tests
Test Method
We used CD DAE 99 v0.3 beta and EAC v0.9 beta 2 software in order to check
the DAE performance of the drive with various AudioCDs (both pressed and CDR).
The posted DAE results are the average of both applications. We made a full
CD Rip starting from the first to the last track of the CD. The Average DAE
reported speeds are displayed in the test graphs.
DAE features
We used EAC v0.9 beta 4 to examine the drive(s) features:
The
drive does not support "Caching" of data, supports "Accurate
Stream" and no"C2" error info.
Pressed AudioCD results
Philips JR24CDRW kept the ripping speed in 13.3x while the Lite-On
drive was certainly faster with 24.5x.
CDR AudioCD Results
With CD-R audio discs, the ripping performance of Philips JR24CDRW
is even lower, and is kept to 11.8x. The Lite-On drive gave a 20.1x average
ripping speed.
EAC Secure Extract Ripping mode
After many requests from numerous visitors we have added the EAC's secure
extract ripping mode results, which ensures maximum produced WAV quality. Note
that for each drive we used the build-in detection function:
|
|
Average DAE Speed (X)
|
|
Pressed
|
CDR
|
|
Philips JR24CDRW
|
6.1
|
6
|
|
Lite-On LXR-24101A
|
15.6
|
13.6
|
Advanced DAE Quality
Philips JR24CDRW got a 100 score (best), and produced no errors. Its average
reading speed is 30.07x. As the following picture shows, the drive can read
SubChannel Data and CD-Text:
Bad CDR Media results
Despite the fact that Nero CD Speed Advanced DAE test stretches drive's mechanism
to the max, we decided to do real life tests with a scratched disc. The disc
was dirty, and with some light scratches, enough in order cause problems to
most of the tested drives. We used CD DAE software to rip the whole disc (756539616
sectors) and the results were very interesting:
|
|
Average Speed (X)
|
Errors Of Total Disc (%)
|
|
Philips JR24CDRW
|
6.4
|
7.89
|
|
Lite-On LXR-24101A
|
15.6
|
2.9
|
Philips JR24CDRW ripped the disc contents at 6.4x, which was expected for
this kind of test, but did not manage to give a quality DAE result and the 7.89%
of the data were fault. (errors).
CD-CHECK audio test
We tested the Philips JR24CDRW with the CD-CHECK disc and the results are
shown in the following table.
|
Error Level
|
1
|
2
|
3
|
4
|
5
|
|
Philips JR24CDRW
|
5/5
|
5/5
|
5/5
|
5/5
|
0/5
|
The drive did manage to completely fulfill the 4th level error correction
requirements, and failed to successfully playback (no audible pops or clicks)
the 5th level tones. The "bad media" test before did not show that
Philips JR24CDRW can completely cover real life random errors on an audio CD.
On the other hand, the drive gave a very good behavior in the CD Check test,
where tha artificial errors on the disc are severe but not randomly placed in
the disc surface.
Ripping 90 and 99mins AudioCDs
The drive recognizes only 90 min CDs.
Reading/Ripping Protected AudioCDs
For the test procedure we used 3 protected AudioCDs, which we
tested in both recognition and ripping (with CD DAE v0.3b/EAC v0.9 beta4) processes:
* Pressed AudioCD with Sony KeyAudio
* Pressed AudioCD with Cactus Data Shield 200 (Natalie Imbruglia - White Lilies
Island)
|
|
Key2Audio
|
CDS200
|
|
EAC
|
|
Lite-On LXR-24101A
|
Cannot recognize disc contents
|
Recognizes disc contants - cannot rip
|
|
Philips JR24CDRW
|
Cannot recognize disc contents
|
Rips disc contents without any problem
|
Philips JR24CDRW cannot handle Key2Audio titles but rips the CD200 audio CD
contents without a problem. Lite-On LXR-24101A cannot rip any kind of protected
audio CDs. The drive managed to read the disc contents of the CD200 protected
media, but the ripping of the files was not possible.
