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Author Topic: How is "quality" measured? (digital -secure)  (Read 732 times)

noborg

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How is "quality" measured? (digital -secure)
« on: May 21, 2002, 07:58:39 am »

After ripping in digital-secure the "Secure Rip Report" popup displays an overall quality as well as info on what re-reads were necessary.  For example:

 Track 7: Completed Ok - Quality 99.88%
     00:26.24 2 re-reads required to get good data
     00:26.35 2 re-reads required to get good data

What is the definition of "Quality"?   Given that this is digital-secure, I have been assuming that there's 100% accuracy in getting the bits from the CD (I use APE exclusively, btw).  Does the 99.88% perhaps refer to the overall percentage of good reads (including the bad ones that had to be redone)?  

js


MJ 8.0.276
Dell Precision 340 (2.4 GHz P4, 1GB memory)
Windows XP Pro (all updates)
CDROM Drives:  HP CD-Writer|PLS| 9900j, Lite-On LTN486  48x Max
Internet Explorer: 6.0.2600.0000
ComCtl32.dll: 5.82.2600.0
Shlwapi.dll: 6.0.2600.0
Shell32.dll:  6.0.2600.0
wnaspi.dll: 4.6.0.1021
wnaspi32.dll: 4.6.0.1021


Dell Precision 340 (2.4 GHz P4, 1GB memory)
Windows XP Pro (all updates)
CDROM Drives:  HP CD-Writer|PLS| 9900j, Lite-On LTN486  48x Max
Internet Explorer: 6.0.2600.0000
ComCtl32.dll: 5.82.2600.0
Shlwapi.dll: 6.0.2600.0
Shell32.dll:  6.0.2600.0
wnaspi.dll: 4.6.0.1021
wnaspi32.dll: 4.6.0.1021
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Cmagic

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RE:How is
« Reply #1 on: May 22, 2002, 02:19:38 am »

Hi noborg,

I think you're on the right track. If % quality has the same meaning in MJ8
as in EAC, it is simply a measure of the number of re-reads that was necessary
to get all the data: 100% quality should then mean no re-reads were necessary.

Maybe someone from JRiver will coment on that.

Have a good day

c
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JohnT

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RE:How is
« Reply #2 on: May 22, 2002, 05:00:40 am »

Yes, that's it. The ratio of minimum number of re-reads to the actual number of re-reads. The next build will have this short explanation in the log file (and on the log dialog).

- John T.
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John Thompson, JRiver Media Center

noborg

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RE:How is
« Reply #3 on: May 22, 2002, 05:04:44 am »

Thanks JohnT.
js
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