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Home > Hardware Reviews > Optical Storage > 12x CD-RW

Tuesday, February 19, 2002
Sanyo CRD-BP2 CD-RW

4. DAE Tests

Sanyo CRD-BP2 SCSI CDR-W - Page 4

DAE Tests

CD Speed  results:       (Speed : Bigger is better,  Seek Times : less is better, CPU Usage : less is better)

Dae Quality/ Accurate Stream

Speed (x)

Seek Time (ms)

CPU Usage (%)

Start

Average

End

Random

1/3

Full

1x

2x

4x

8x

Sync On

10 - Yes

11.65

12.07

11.98

882

768

1127

15

18

23

34

Various Rippers Results

Test Method : We used the CDFS.VXD driver and EAC v0.9 pre beta 3 to test the audio capabilities. EAC reported that the drive was capable of producing accurate stream and it also reported "caching off". Tests were made for comparing "Burst" vs "Secure Stream with caching" mode.

Tested CD: The Chemical Brothers "Dig Your Own Hole" - Track :  1, 5, 11

Comparing Method:
- Ripped Tracks 1, 5, 10 of the CD with Drag & Drop (using CDFS) and with EAC (Secure & Burst mode).
- Edited all wavs with Hedit v2.0.04 and located the 2 following bytes (chosen randomly)
- Removed all previous bytes and saved.
- Then in a Dos window compared them using: FC /b x.wav y.wav

Programs Settings:
CDFS Driver v4.00.130 : Drag  & Drop
EAC v0.9b : Burst & Secure Mode / Rip Speed Default / Allow speed reduction / Error correction medium

Program

Average Speed / CPU Usage

Listening Quality

1 Track

5 Track

11 Track

CDFS Driver v4.00.130

25sec = 11.52x / 7%

28sec = 11.40x / 7%

27sec = 10.80x / 5.2%

No clicks..No sec  lost..Seemed ok!

EAC v0.9b (burst)

11.2x / 22%

12.2x /25%

12.3x / 26%

No clicks..No sec  lost..Seemed ok!

EAC v0.9b (secure)

2.8x / 6.6%

2.9x / 6.7%

3.1x / 7.1%

No clicks..No sec  lost..Seemed ok!

Comparing Results

CDFS Driver v4.00.130

EAC v0.9 (burst)

1 Track

5  Track

10 Track

1 Track

5 Track

10 Track

EAC v0.9b (secure)

same

same

same

same

not same

not same

Verdict of DAE Results

Sanyo CRD-BP2 has problems with DAE performance. It seems that when it rips at speeds higher than 12x, it returns errors. At speeds lower than 12x , the drive gives accurate WAV files. However, this can be easily fixed with the release of a future firmware update. Please remember that this is a pre-release drive. Other manufactures which will soon release other BURN-Proof based drives will most probably correct those errors or even make their drives perform better! However, personally, we never use a CDR-W for ripping, so we don't think poor DAE performance is a problem!




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