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Old 2005-01-24, 03:17 PM
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liveman liveman is offline
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Join Date: Dec 2004
Location: Québec, Canada
Question Problem with CD extraction

Hello to all,
today, I have tried to extract a song from a CD-R I received in a trade. The CD-R brand is Verbatim. I have two drives: 1. my burner 2. my cd/dvd-rom reader. Both have offset corrected with EAC.

I extracted the song (this is track 1 by the way ) with the two drives and the song gives two result:

with my burner (my offset is really 0):

Used drive : HL-DT-STCD-RW GCE-8520B Adapter: 1 ID: 0
Read mode : Secure with C2, accurate stream, NO disable cache
Read offset correction : 0
Overread into Lead-In and Lead-Out : No

Used output format : Internal WAV Routines
44.100 Hz; 16 Bit; Stereo

Other options :
Fill up missing offset samples with silence : Yes
Delete leading and trailing silent blocks : No
Native Win32 interface for Win NT & 2000


Track 1
Filename C:\burning\Track01.wav

Peak level 100.0 %
Track quality 100.0 %
Test CRC 1EA53AFA
Copy CRC 1EA53AFA
Copy OK

No errors occured


End of status report



with my DVD-ROM reader:

Used drive : HL-DT-STDVD-ROM GDR8161B Adapter: 1 ID: 1
Read mode : Secure with C2, accurate stream, NO disable cache
Read offset correction : 96
Overread into Lead-In and Lead-Out : No

Used output format : Internal WAV Routines
44.100 Hz; 16 Bit; Stereo

Other options :
Fill up missing offset samples with silence : Yes
Delete leading and trailing silent blocks : No
Native Win32 interface for Win NT & 2000


Track 1
Filename C:\burning\Track01.wav

Peak level 100.0 %
Track quality 100.0 %
Test CRC 98B0742F
Copy CRC 98B0742F
Copy OK

No errors occured


End of status report



When I compare the two tracks with EAC, I have the following report:

36 repeated samples 0:00:00.097

I have verified my EAC offset for the two drives (comparing original wav files with files extracted from an audio CD, burnt on FUJI japanese discs, extracted with both drives) and everything works fine.

What's wrong? Is this because it is the first track of the CD? How can I know wich drive is the best to extract the song if both gives 100% track quality but different CRC signature?

thanks!
J-F
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