Yamaha 8424S SCSI CDR-W - Page 4

DAE Tests

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

Various Rippers Results:

Test Method: I used CDFS.VXD & EAC v0.85 beta 4 to test audio capabilities. Eac reported that drive was capable of accurate stream but it aslo had "caching on"..So i compared the "Burst" vs "Secure Stream with caching" mode..

Tested CD: The Chemical Brothers "Dig Your Own Hole" - Track:  5 (Setting Sun)

Comparing Method:

- Ripped Track 5 of the CD with Drag & Drop (using CDFS) and with all the other CD Rippers.
- 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 v0.85b: Burst & Secure Mode / Rip Speed Default / Allow speed reduction / Error correction medium

After i also used Copy&Test Selected tracks. I marked all tracks and after i set Burst mode (max) for ripping speed i started test..(alternative way to check DAE quality..). Results were the same as before..All tracks ripped on max speed (9-15.7x) and all checksums were ok!..That means Yamaha 8424s is capable of doing up to 16x (max) DAE!!

Verdict of DAE Results:
Yamaha really re-designed 8424s and this showned on DAE tests..In start when i saw 16x DAE performance from specifications i thought. "Just another tipical number which will not be confirmed on real life. " However Yamaha managed to suprise me..All tests confirmed that Yamaha 8424s managed to reach <16x DAE performance. CDFS didn't worked so well with Yamaha 8424s since it only reached 7.12x. EAC secure mode (with caching) performed from 4x-4.5x however into last sec halted and average speed dropped on 3.0x. Maybe this is EAC problem. Eac Burst mode performed best giving up to 13.9x.