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Topic: Anyway to speed up a FLAC rip? (Read 26290 times) previous topic - next topic
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Anyway to speed up a FLAC rip?

Reply #25
Spin drive is still checked
Care to explain your rationale for this?

I was wondering about ripping some straight to .iso and worrying about some lesser used ones later, thats a but by bit copy and I can archive to DVD-R.
What do you hope to gain by doing this?  You won't get a bit perfect copy with this method unless you have a combined read/write sample offset of 0 and I cannot think of a single program that will be able to generate such a format directly from CD that is secure.  brian2090's post about image programs treating audio CDs as data discs is complete nonsense.

Anyway to speed up a FLAC rip?

Reply #26
Spin drive is still checked
Care to explain your rationale for this?

I was wondering about ripping some straight to .iso and worrying about some lesser used ones later, thats a but by bit copy and I can archive to DVD-R.
What do you hope to gain by doing this?  You won't get a bit perfect copy with this method unless you have a combined read/write sample offset of 0 and I cannot think of a single program that will be able to generate such a format directly from CD that is secure.  brian2090's post about image programs treating audio CDs as data discs is complete nonsense.



Ok, iso bad idea.

Here is the update with Spin Off, No C2 checked and Medium error checking:

Burst mode 4:46
Secure mode w/cache checked run in only copy tracks 8:12
Secure mode w/cache checked run in Test and Copy 16:14

So the question is, which one should I use?  Is test and copy really needed with secure mode on?

Truthfully, I think I am fine in burst mode and its the fastest but I dont understand the difference from the secure mode.

Anyway to speed up a FLAC rip?

Reply #27
Here is the update with Spin Off, No C2 checked and Medium error checking:

Burst mode 4:46
Secure mode w/cache checked run in only copy tracks 8:12
Secure mode w/cache checked run in Test and Copy 16:14

So the question is, which one should I use?  Is test and copy really needed with secure mode on?
  • Burst mode w/T&C if AccurateRip cannot verify.
  • For tracks where T&C CRCs don't match, rip in Secure mode.
  • Secure mode (no C2) w/T&C may reveal a problem, but there's probably nothing you can do at that point (configuration-wise) except tell the drive to rip at a lower speed; especially when EAC reports that the Copy was OK.  Cleaning and/or buffing and polishing scratches can make a difference.
Here's a more detailed summary I wrote recently:
http://www.digital-inn.de/129988-post4.html

If your GDR8164B is compatible with the FUA command then I would recommend using Secure mode w/C2 with T&C if AR cannot verify.
http://www.hydrogenaudio.org/forums/index....mp;#entry539021
If the FUA command works, you will be able to uncheck the caching setting.  When combined with C2 pointers, you will get burst-like speeds in secure mode.

Anyway to speed up a FLAC rip?

Reply #28
Ok, Im starting to get it.  I am reading as my little ones allow so let me see If I can sum this up:

Most of my Cds are not going to come up in Accurate rip.  So Primarily I will use burst w T&C.

If I get a CD where the CRC's dont match, or there are errors I will use secure mode (right?)

I found a CD where one of the tracks is doing error detection (I know there is some scratches) That should be ripped in secure mode now correct?

The one thing that confuses me is the C2 option, I dont have it checked even though early on you recommended it.  How can I know If I can trust the drive?

This is a log from burst mode, CRC's do not match on a bunch of tracks:
Code: [Select]
Exact Audio Copy V0.99 prebeta 3 from 28. July 2007

EAC extraction logfile from 12. January 2008, 11:39

Hed Kandi / Winter Chill 06.02 (CD1)

Used drive  : HL-DT-STDVD-ROM GDR8164B  Adapter: 1  ID: 0

Read mode : Burst

Read offset correction                      : 102
Overread into Lead-In and Lead-Out          : No
Fill up missing offset samples with silence : Yes
Delete leading and trailing silent blocks  : No
Null samples used in CRC calculations      : No
Used interface                              : Native Win32 interface for Win NT & 2000
Gap handling                                : Not detected, thus appended to previous track

Used output format              : User Defined Encoder
Selected bitrate                : 128 kBit/s
Quality                        : High
Add ID3 tag                    : No
Command line compressor        : F:\Program Files\Exact Audio Copy\Flac\flac.exe
Additional command line options : -6 -V -T "artist=%a" -T "title=%t" -T "album=%g" -T "date=%y" -T "tracknumber=%n" -T "genre=%m" -T comment="%e" -T "comment=EAC (Secure Mode)" %s


TOC of the extracted CD

    Track |  Start  |  Length  | Start sector | End sector
    ---------------------------------------------------------
        1  |  0:00.00 |  5:18.56 |        0    |    23905 
        2  |  5:18.56 |  3:25.66 |    23906    |    39346 
        3  |  8:44.47 |  6:25.36 |    39347    |    68257 
        4  | 15:10.08 |  4:48.27 |    68258    |    89884 
        5  | 19:58.35 |  4:27.26 |    89885    |  109935 
        6  | 24:25.61 |  5:51.21 |    109936    |  136281 
        7  | 30:17.07 |  4:17.14 |    136282    |  155570 
        8  | 34:34.21 |  4:48.24 |    155571    |  177194 
        9  | 39:22.45 |  3:56.13 |    177195    |  194907 
      10  | 43:18.58 |  3:29.58 |    194908    |  210640 
      11  | 46:48.41 |  6:06.54 |    210641    |  238144 
      12  | 52:55.20 |  3:26.16 |    238145    |  253610 
      13  | 56:21.36 |  5:00.41 |    253611    |  276151 
      14  | 61:22.02 |  3:51.69 |    276152    |  293545 
      15  | 65:13.71 |  5:09.13 |    293546    |  316733 


Track  1

    Filename H:\My Music\Hed Kandi - Winter Chill 06.02 (CD1) - 01 - Slovo - Whisper.wav

    Peak level 99.8 %
    Test CRC 1AD39359
    Copy CRC 802A5671
    Accurately ripped (confidence 5)  [8942C2EB]
    Copy OK

Track  2

    Filename H:\My Music\Hed Kandi - Winter Chill 06.02 (CD1) - 02 - Abraham - Magpie.wav

    Peak level 99.7 %
    Test CRC 9D87C7FE
    Copy CRC 9D87C7FE
    Accurately ripped (confidence 5)  [0AF5842F]
    Copy OK

Track  3

    Filename H:\My Music\Hed Kandi - Winter Chill 06.02 (CD1) - 03 - Nova June - Another Try.wav

    Peak level 99.4 %
    Test CRC 35390781
    Copy CRC 35390781
    Accurately ripped (confidence 5)  [547695B5]
    Copy OK

Track  4

    Filename H:\My Music\Hed Kandi - Winter Chill 06.02 (CD1) - 04 - Hard Kandy - Standstill.wav

    Peak level 99.8 %
    Test CRC 1BD18161
    Copy CRC 1BD18161
    Accurately ripped (confidence 5)  [4EBCD2B2]
    Copy OK

Track  5

    Filename H:\My Music\Hed Kandi - Winter Chill 06.02 (CD1) - 05 - Eric Kupper presents Roy Camembert & His Orchestra - Missing.wav

    Peak level 99.8 %
    Test CRC 944CA10B
    Copy CRC 944CA10B
    Accurately ripped (confidence 5)  [F03F6C2F]
    Copy OK

Track  6

    Filename H:\My Music\Hed Kandi - Winter Chill 06.02 (CD1) - 06 - KimBlee - Naturally (Yearn mix).wav

    Peak level 96.7 %
    Test CRC 31DC0881
    Copy CRC 31DC0881
    Accurately ripped (confidence 5)  [C19EB189]
    Copy OK

Track  7

    Filename H:\My Music\Hed Kandi - Winter Chill 06.02 (CD1) - 07 - Ive Mendes - Night Night.wav

    Peak level 99.8 %
    Test CRC B41EAE6E
    Copy CRC B41EAE6E
    Accurately ripped (confidence 5)  [D8C545AA]
    Copy OK

Track  8

    Filename H:\My Music\Hed Kandi - Winter Chill 06.02 (CD1) - 08 - Almadrava - I'm Sorry.wav

    Peak level 100.0 %
    Test CRC 2C4E5DA6
    Copy CRC 2C4E5DA6
    Accurately ripped (confidence 5)  [C442F3EE]
    Copy OK

Track  9

    Filename H:\My Music\Hed Kandi - Winter Chill 06.02 (CD1) - 09 - Space Raiders - Beautiful Crazy.wav

    Peak level 99.4 %
    Test CRC C7BD65FA
    Copy CRC 8D6CE0EC
    Cannot be verified as accurate (confidence 5)  [538D80B2], AccurateRip returned [DA25BC54]
    Copy OK

Track 10

    Filename H:\My Music\Hed Kandi - Winter Chill 06.02 (CD1) - 10 - Poloroid - Count On You.wav

    Peak level 97.6 %
    Test CRC 09F2A6AB
    Copy CRC 7215DCA1
    Cannot be verified as accurate (confidence 6)  [5269F149], AccurateRip returned [203B8AD9]
    Copy OK

Track 11

    Filename H:\My Music\Hed Kandi - Winter Chill 06.02 (CD1) - 11 - Aim ft. Kate Rogers - The Girl Who Fell Through The Ice.wav

    Peak level 100.0 %
    Test CRC 329399F3
    Copy CRC 329399F3
    Accurately ripped (confidence 5)  [6AF507D0]
    Copy OK

Track 12

    Filename H:\My Music\Hed Kandi - Winter Chill 06.02 (CD1) - 12 - Fingathing - Haze.wav

    Peak level 95.2 %
    Test CRC 97AECABE
    Copy CRC 97AECABE
    Accurately ripped (confidence 5)  [D6D19046]
    Copy OK

Track 13

    Filename H:\My Music\Hed Kandi - Winter Chill 06.02 (CD1) - 13 - Gare Du Nord - Pablos Blues.wav

    Peak level 99.9 %
    Test CRC 62894607
    Copy CRC 62894607
    Accurately ripped (confidence 5)  [E302D9CF]
    Copy OK

Track 14

    Filename H:\My Music\Hed Kandi - Winter Chill 06.02 (CD1) - 14 - 39 Vybes ft. John Lee Hooker , Groove Armada , Rachel Brown - Sometimes Lonely.wav

    Peak level 99.6 %
    Test CRC 3DD1E959
    Copy CRC 3DD1E959
    Accurately ripped (confidence 5)  [6D712DFB]
    Copy OK

Track 15

    Filename H:\My Music\Hed Kandi - Winter Chill 06.02 (CD1) - 15 - Moby - Sunday (The Day Before My Birthday).wav

    Peak level 100.0 %
    Test CRC 0C96554A
    Copy CRC 0C96554A
    Accurately ripped (confidence 5)  [8D4D1FA8]
    Copy OK


13 track(s) accurately ripped
 2 track(s) could not be verified as accurate

Some tracks could not be verified as accurate

No errors occurred

End of status report

[!--sizeo:1--][span style=\"font-size:8pt;line-height:100%\"][!--/sizeo--]Moderation: Please use codebox instead of quote in order not to waste space on long logs.  Quotation from previous post removed.
[/size]

Anyway to speed up a FLAC rip?

Reply #29
Here is the log from a secure rip, although it says track 9 & 10 could not be copied they are there.  C2 is still not checked.  I do not have any CRC info for tracks 9 & 10 but all the others match now as opposed to Burst.

Code: [Select]
Exact Audio Copy V0.99 prebeta 3 from 28. July 2007

EAC extraction logfile from 12. January 2008, 12:26

Hed Kandi / Winter Chill 06.02 (CD1)

Used drive  : HL-DT-STDVD-ROM GDR8164B  Adapter: 1  ID: 0

Read mode              : Secure
Utilize accurate stream : Yes
Defeat audio cache      : Yes
Make use of C2 pointers : No

Read offset correction                      : 102
Overread into Lead-In and Lead-Out          : No
Fill up missing offset samples with silence : Yes
Delete leading and trailing silent blocks  : No
Null samples used in CRC calculations      : No
Used interface                              : Native Win32 interface for Win NT & 2000
Gap handling                                : Not detected, thus appended to previous track

Used output format              : User Defined Encoder
Selected bitrate                : 128 kBit/s
Quality                        : High
Add ID3 tag                    : No
Command line compressor        : F:\Program Files\Exact Audio Copy\Flac\flac.exe
Additional command line options : -6 -V -T "artist=%a" -T "title=%t" -T "album=%g" -T "date=%y" -T "tracknumber=%n" -T "genre=%m" -T comment="%e" -T "comment=EAC (Secure Mode)" %s


TOC of the extracted CD

    Track |  Start  |  Length  | Start sector | End sector
    ---------------------------------------------------------
        1  |  0:00.00 |  5:18.56 |        0    |    23905 
        2  |  5:18.56 |  3:25.66 |    23906    |    39346 
        3  |  8:44.47 |  6:25.36 |    39347    |    68257 
        4  | 15:10.08 |  4:48.27 |    68258    |    89884 
        5  | 19:58.35 |  4:27.26 |    89885    |  109935 
        6  | 24:25.61 |  5:51.21 |    109936    |  136281 
        7  | 30:17.07 |  4:17.14 |    136282    |  155570 
        8  | 34:34.21 |  4:48.24 |    155571    |  177194 
        9  | 39:22.45 |  3:56.13 |    177195    |  194907 
      10  | 43:18.58 |  3:29.58 |    194908    |  210640 
      11  | 46:48.41 |  6:06.54 |    210641    |  238144 
      12  | 52:55.20 |  3:26.16 |    238145    |  253610 
      13  | 56:21.36 |  5:00.41 |    253611    |  276151 
      14  | 61:22.02 |  3:51.69 |    276152    |  293545 
      15  | 65:13.71 |  5:09.13 |    293546    |  316733 


Track  1

    Filename H:\My Music\Hed Kandi - Winter Chill 06.02 (CD1) - 01 - Slovo - Whisper.wav

    Peak level 99.8 %
    Track quality 100.0 %
    Test CRC 802A5671
    Copy CRC 802A5671
    Accurately ripped (confidence 5)  [8942C2EB]
    Copy OK

Track  2

    Filename H:\My Music\Hed Kandi - Winter Chill 06.02 (CD1) - 02 - Abraham - Magpie.wav

    Peak level 99.7 %
    Track quality 99.9 %
    Test CRC 9D87C7FE
    Copy CRC 9D87C7FE
    Accurately ripped (confidence 5)  [0AF5842F]
    Copy OK

Track  3

    Filename H:\My Music\Hed Kandi - Winter Chill 06.02 (CD1) - 03 - Nova June - Another Try.wav

    Peak level 99.4 %
    Track quality 100.0 %
    Test CRC 35390781
    Copy CRC 35390781
    Accurately ripped (confidence 5)  [547695B5]
    Copy OK

Track  4

    Filename H:\My Music\Hed Kandi - Winter Chill 06.02 (CD1) - 04 - Hard Kandy - Standstill.wav

    Peak level 99.8 %
    Track quality 100.0 %
    Test CRC 1BD18161
    Copy CRC 1BD18161
    Accurately ripped (confidence 5)  [4EBCD2B2]
    Copy OK

Track  5

    Filename H:\My Music\Hed Kandi - Winter Chill 06.02 (CD1) - 05 - Eric Kupper presents Roy Camembert & His Orchestra - Missing.wav

    Peak level 99.8 %
    Track quality 100.0 %
    Test CRC 944CA10B
    Copy CRC 944CA10B
    Accurately ripped (confidence 5)  [F03F6C2F]
    Copy OK

Track  6

    Filename H:\My Music\Hed Kandi - Winter Chill 06.02 (CD1) - 06 - KimBlee - Naturally (Yearn mix).wav

    Peak level 96.7 %
    Track quality 100.0 %
    Test CRC 31DC0881
    Copy CRC 31DC0881
    Accurately ripped (confidence 5)  [C19EB189]
    Copy OK

Track  7

    Filename H:\My Music\Hed Kandi - Winter Chill 06.02 (CD1) - 07 - Ive Mendes - Night Night.wav

    Peak level 99.8 %
    Track quality 100.0 %
    Test CRC B41EAE6E
    Copy CRC B41EAE6E
    Accurately ripped (confidence 5)  [D8C545AA]
    Copy OK

Track  8

    Filename H:\My Music\Hed Kandi - Winter Chill 06.02 (CD1) - 08 - Almadrava - I'm Sorry.wav

    Peak level 100.0 %
    Track quality 100.0 %
    Test CRC 2C4E5DA6
    Copy CRC 2C4E5DA6
    Accurately ripped (confidence 5)  [C442F3EE]
    Copy OK

Track  9

    Filename H:\My Music\Hed Kandi - Winter Chill 06.02 (CD1) - 09 - Space Raiders - Beautiful Crazy.wav

    Copy aborted

Track 10

    Filename H:\My Music\Hed Kandi - Winter Chill 06.02 (CD1) - 10 - Poloroid - Count On You.wav

    Suspicious position 0:00:00

    Copy aborted

Track 11

    Filename H:\My Music\Hed Kandi - Winter Chill 06.02 (CD1) - 11 - Aim ft. Kate Rogers - The Girl Who Fell Through The Ice.wav

    Peak level 100.0 %
    Track quality 100.0 %
    Test CRC 329399F3
    Copy CRC 329399F3
    Accurately ripped (confidence 5)  [6AF507D0]
    Copy OK

Track 12

    Filename H:\My Music\Hed Kandi - Winter Chill 06.02 (CD1) - 12 - Fingathing - Haze.wav

    Peak level 95.2 %
    Track quality 99.9 %
    Test CRC 97AECABE
    Copy CRC 97AECABE
    Accurately ripped (confidence 5)  [D6D19046]
    Copy OK

Track 13

    Filename H:\My Music\Hed Kandi - Winter Chill 06.02 (CD1) - 13 - Gare Du Nord - Pablos Blues.wav

    Peak level 99.9 %
    Track quality 100.0 %
    Test CRC 62894607
    Copy CRC 62894607
    Accurately ripped (confidence 5)  [E302D9CF]
    Copy OK

Track 14

    Filename H:\My Music\Hed Kandi - Winter Chill 06.02 (CD1) - 14 - 39 Vybes ft. John Lee Hooker , Groove Armada , Rachel Brown - Sometimes Lonely.wav

    Peak level 99.6 %
    Track quality 100.0 %
    Test CRC 3DD1E959
    Copy CRC 3DD1E959
    Accurately ripped (confidence 5)  [6D712DFB]
    Copy OK

Track 15

    Filename H:\My Music\Hed Kandi - Winter Chill 06.02 (CD1) - 15 - Moby - Sunday (The Day Before My Birthday).wav

    Peak level 100.0 %
    Track quality 99.8 %
    Test CRC 0C96554A
    Copy CRC 0C96554A
    Accurately ripped (confidence 5)  [8D4D1FA8]
    Copy OK


13 track(s) accurately ripped
 2 track(s) canceled

Some tracks could not be verified as accurate

There were errors

End of status report
So basically, If C2 is checked and it reports the same errors I can trust it?  At that point should I just do a test and copy anyway or is it pointless with C2 checked?

Here is something interesting, the 2 secure rips I did of this CD, one with C2 one without both did not make playable copies of track 9 & 10 however burst mode plays fine.  The 2 secure rips left those 2 tracks as .wav files.  The only problem is the Burst mode CRC's didnt match.

I did have error checking on high, should I lower that?

[!--sizeo:1--][span style=\"font-size:8pt;line-height:100%\"][!--/sizeo--]Moderation: Quote changed to codebox. Please get into the habit of using codebox.[/size]

EDIT:
I also did check using the -usefua command on my drive ( I did it from a dos window and EAC popped up so I assume it ran the switch)

Here is the log, it did come up with errors:
Code: [Select]
Exact Audio Copy V0.99 prebeta 3 from 28. July 2007

EAC extraction logfile from 12. January 2008, 15:00

Hed Kandi / Winter Chill 06.02 (CD1)

Used drive  : HL-DT-STDVD-ROM GDR8164B  Adapter: 1  ID: 0

Read mode   : Secure
Utilize accurate stream : Yes
Defeat audio cache   : No
Make use of C2 pointers : No

Read offset correction   : 102
Overread into Lead-In and Lead-Out   : No
Fill up missing offset samples with silence : Yes
Delete leading and trailing silent blocks  : No
Null samples used in CRC calculations   : No
Used interface   : Native Win32 interface for Win NT & 2000
Gap handling : Not detected, thus appended to previous track

Used output format   : User Defined Encoder
Selected bitrate : 128 kBit/s
Quality : High
Add ID3 tag : No
Command line compressor : F:\Program Files\Exact Audio Copy\Flac\flac.exe
Additional command line options : -6 -V -T "artist=%a" -T "title=%t" -T "album=%g" -T "date=%y" -T "tracknumber=%n" -T "genre=%m" -T comment="%e" -T "comment=EAC (Secure Mode)" %s


TOC of the extracted CD

Track |  Start  |  Length  | Start sector | End sector
---------------------------------------------------------
1  |  0:00.00 |  5:18.56 | 0 | 23905 
2  |  5:18.56 |  3:25.66 | 23906 | 39346 
3  |  8:44.47 |  6:25.36 | 39347 | 68257 
4  | 15:10.08 |  4:48.27 | 68258 | 89884 
5  | 19:58.35 |  4:27.26 | 89885 |  109935 
6  | 24:25.61 |  5:51.21 | 109936 |  136281 
7  | 30:17.07 |  4:17.14 | 136282 |  155570 
8  | 34:34.21 |  4:48.24 | 155571 |  177194 
9  | 39:22.45 |  3:56.13 | 177195 |  194907 
  10  | 43:18.58 |  3:29.58 | 194908 |  210640 
  11  | 46:48.41 |  6:06.54 | 210641 |  238144 
  12  | 52:55.20 |  3:26.16 | 238145 |  253610 
  13  | 56:21.36 |  5:00.41 | 253611 |  276151 
  14  | 61:22.02 |  3:51.69 | 276152 |  293545 
  15  | 65:13.71 |  5:09.13 | 293546 |  316733 


Track  9

Filename H:\My Music\Hed Kandi - Winter Chill 06.02 (CD1) - 09 - Space Raiders - Beautiful Crazy.wav

Copy aborted

Track 10

Filename H:\My Music\Hed Kandi - Winter Chill 06.02 (CD1) - 10 - Poloroid - Count On You.wav

Suspicious position 0:00:00

Copy aborted


No tracks could be verified as accurate

There were errors

End of status report
As much as I am starting to understand this, I dont get why burst mode was the only one able to make those files from a bum disk.

[!--sizeo:1--][span style=\"font-size:8pt;line-height:100%\"][!--/sizeo--]Moderation: Code changed to codebox.[/size]

Anyway to speed up a FLAC rip?

Reply #30
I found a CD where one of the tracks is doing error detection (I know there is some scratches) That should be ripped in secure mode now correct?
Not sure what you mean by error detection since burst mode really doesn't do error detection.  This is why you use T&C and check for errors manually.  If CRCs don't match and AR cannot verify, then yes, the best thing to do is switch to secure mode.

The one thing that confuses me is the C2 option, I dont have it checked even though early on you recommended it.  How can I know If I can trust the drive?
With the DAE Quality program as mentioned in the wiki.  It's also possible to tell from trial and error: see if ripping without C2 is able to give matching CRCs in situations where ripping with C2 doesn't; especially in instances where the track quality is 100% for the C2 rip.

Here is the log from a secure rip, although it says track 9 & 10 could not be copied they are there.
...and you'll find that they aren't complete.  This is because you have EAC configured to skip extraction upon errors.  Now it's possible (but not likely) for EAC to get the track right even though it reports errors and setting the Error Recovery Quality setting to High may improve the situation, but you'll have to let EAC continue ripping through errors before this can happen.  In addition, allowing EAC to complete the track will give AR a chance to check it.  This is yet another flaw in Eli's guide.

I do not have any CRC info for tracks 9 & 10 but all the others match now as opposed to Burst.
Based on the information in the log for your burst rip, the only tracks you needed to re-rip in secure mode are tracks 9 and 10 since track 1 was shown to be accurate by AccurateRip.  If you look at the Copy CRC for this track you'll see that it is the same between the two burst and secure logs: 802A5671.

So basically, If C2 is checked and it reports the same errors I can trust it?
No.  Drives with a C2 pointer implementation that does not work well with EAC will usually be able to report some errors; the problem is that EAC requires that they are able to report all errors.

At that point should I just do a test and copy anyway or is it pointless with C2 checked?
I recommend T&C will all C2 rips.  Taking this into account, I think C2 is a waste of time with drives that cache audio data but can't make proper use of the FUA command.

I did have error checking on high, should I lower that?
I normally use medium, but it's up to you.  I think the wiki is pretty clear on this.

I also did check using the -usefua command on my drive ( I did it from a dos window and EAC popped up so I assume it ran the switch)

Here is the log, it did come up with errors:
The errors reported in the log cannot be used to determine whether the command works. You must look in the extraction dialog window for a "Read Error".
http://www.hydrogenaudio.org/forums/index....mp;#entry539021

After looking at the header information in you logs, I recommend you configure EAC to use null samples for CRC calculations.

Anyway to speed up a FLAC rip?

Reply #31
Quote
With the DAE Quality program as mentioned in the wiki. It's also possible to tell from trial and error: see if ripping without C2 is able to give matching CRCs in situations where ripping with C2 doesn't; especially in instances where the track quality is 100% for the C2 rip.


So basically, the goal is matching CRC's.  Using C2 is for speed so If you want to be paranoid about the accuracy of the rip, dont use it.  I was able to get through the Wiki tonight so hopefully I have a much better idea.

Quote
..and you'll find that they aren't complete. This is because you have EAC configured to skip extraction upon errors. Now it's possible (but not likely) for EAC to get the track right even though it reports errors and setting the Error Recovery Quality setting to High may improve the situation, but you'll have to let EAC continue ripping through errors before this can happen. In addition, allowing EAC to complete the track will give AR a chance to check it. This is yet another flaw in Eli's guide.


I forgot about that setting however Error recovery was already on high so my question is would I be better off unchecking the option to skip extraction and taking what the secure rip gives me in a file or just keep the burst one?  The thing about the burst ones (once I checked the null option as you suggested) the CRCs dont match so In the worst case I can cancel the skip extraction just for those 2 tracks. Prior to the null option I wasnt getting CRC results at all with those 2 tracks.

Quote
Based on the information in the log for your burst rip, the only tracks you needed to re-rip in secure mode are tracks 9 and 10 since track 1 was shown to be accurate by AccurateRip. If you look at the Copy CRC for this track you'll see that it is the same between the two burst and secure logs: 802A5671.


Right but in most cases I wont be ripping the CD 3 times to compare to the correct secure rip.  Especially If the CRCs match in Burst mode.

Quote
The errors reported in the log cannot be used to determine whether the command works. You must look in the extraction dialog window for a "Read Error".
http://www.hydrogenaudio.org/forums/index....mp;#entry539021


I dont get the whole FUA thing and Im not sure it worked.  I tried it from a cmd prompt with the switch but EAC doesnt have any sort of way to let you know you are running in that mode. 

If I run the EAC normally, and I take set the error correction to low, uncheck cache drive etc I get read and sync errors and it doesnt rip.

If I run it with the -usefua switch I just get a read error.  Doesnt rip either. Does that mean it works?

The one thing you dont mention is the accurate stream feature, does that need to be unchecked?

Quote
After looking at the header information in you logs, I recommend you configure EAC to use null samples for CRC calculations.


Whats makes you say that?

BTW, I really appreciate all the help.

Anyway to speed up a FLAC rip?

Reply #32
Quote
I dont get the whole FUA thing and Im not sure it worked. I tried it from a cmd prompt with the switch but EAC doesnt have any sort of way to let you know you are running in that mode.
If you typed "eac.exe -usefua" (but without the quotes, of course) then EAC started with the switch.

Quote
If I run the EAC normally, and I take set the error correction to low, uncheck cache drive etc I get read and sync errors and it doesnt rip.
This sounds like your drive doesn't cache audio data.


Anyway to speed up a FLAC rip?

Reply #33
Code: [Select]
F:\>cachex -i -c -p -n 16 d:

CacheExplorer 0.8 - spath@cdfreaks.com

Drive on D is  HL-DT-ST DVD-ROM GDR8164B 0G08

[+] Buffer size: 256 kB, read cache is disabled
[+] Supported read commands: BEh A8h(FUA) 28h(FUA) D4h(FUA) D5h(FUA) D8h(FUA)
[+] Plextor flush command: accepted
[+] Plextor flush tests: 16/16
[+] Testing cache line size:
190 kB / 83 sectors
190 kB / 83 sectors
190 kB / 83 sectors
190 kB / 83 sectors
190 kB / 83 sectors
114 kB / 50 sectors
190 kB / 83 sectors
190 kB / 83 sectors
190 kB / 83 sectors
190 kB / 83 sectors
190 kB / 83 sectors
190 kB / 83 sectors
190 kB / 83 sectors
190 kB / 83 sectors
190 kB / 83 sectors
190 kB / 83 sectors




FUA results for the GDR8164B were read errors, then the drive ejects prior to writing the file.  Actually track 9 hung EAC and I had to kill the process.  Cache checked again, I still get a read error




Code: [Select]
F:\>cachex -i -c -p -n 16 e:

CacheExplorer 0.8 - spath@cdfreaks.com

Drive on E is  PIONEER  DVD-RW  DVR-112D 1.24

[+] Buffer size: 2000 kB, read cache is enabled
[+] Supported read commands: BEh A8h(FUA) 28h(FUA) D4h(FUA) D5h(FUA) D8h(FUA)
[+] Plextor flush command: accepted
[+] Plextor flush tests: 13/16
[+] Testing cache line size:
323 kB / 141 sectors
323 kB / 141 sectors
183 kB / 80 sectors
167 kB / 73 sectors
169 kB / 74 sectors
174 kB / 76 sectors
163 kB / 71 sectors
172 kB / 75 sectors
160 kB / 70 sectors
174 kB / 76 sectors
174 kB / 76 sectors
169 kB / 74 sectors
172 kB / 75 sectors
160 kB / 70 sectors
172 kB / 75 sectors
55 kB / 24 sectors


FUA results for the Pioneer were sync errors with the Cache turned off.
Read errors with cache turned back on.

Anyway to speed up a FLAC rip?

Reply #34
Ok, then based on this information, you won't be able to use the FUA command with either drive.  One of the two non-Plextor drives that I have that apparently accepts the command causes EAC to hang as well, so I guess the behavior is not unusual.

Answering your other questions from the previous post...
Quote
So basically, the goal is matching CRC's.
The goal is a verified rip.  You can verify one of two ways: AR or being able to get a consistent CRC, with AR being more conclusive of the two.  If you've previously submitted results to the database for a particular disc and then ripped that disc again and got a matching result with a confidence of 1, then the AR result would not be more conclusive than getting a consistent CRC; it would be the same.

Quote
I forgot about that setting however Error recovery was already on high so my question is would I be better off unchecking the option to skip extraction and taking what the secure rip gives me in a file or just keep the burst one?
I'd keep the one with fewer audible errors.

Quote
The thing about the burst ones (once I checked the null option as you suggested) the CRCs dont match so In the worst case I can cancel the skip extraction just for those 2 tracks.
Although I wasn't explicit, the suggestion was actually to uncheck that setting.

Quote
in most cases I wont be ripping the CD 3 times to compare to the correct secure rip. Especially If the CRCs match in Burst mode.
I'd just hate to have you waste time re-ripping tracks that were ok.  For this reason, I prefer to load a disc and first look for the AR logo at the lower left.  If the logo is there then I'd rip by doing Shift+F5 and then check the AR results.  You can always generate a second set of CRCs by pressing F8 if needed.  If there's no AR logo then I'd just use Shift+F6.

Quote
The one thing you dont mention is the accurate stream feature, does that need to be unchecked?
No.  So long as you can get matching CRCs and the no use of null samples is unchecked then the Accurate Stream feature setting can remain checked.

Quote
>After looking at the header information in you logs, I recommend you configure EAC to use null samples for CRC calculations.
Whats makes you say that?
http://www.hydrogenaudio.org/forums/index....showtopic=57884

Anyway to speed up a FLAC rip?

Reply #35
Quote
The goal is a verified rip.  You can verify one of two ways: AR or being able to get a consistent CRC, with AR being more conclusive of the two.  If you've previously submitted results to the database for a particular disc and then ripped that disc again and got a matching result with a confidence of 1, then the AR result would not be more conclusive than getting a consistent CRC; it would be the same.


At what number of confidence can you trust AR though?  I will be lucky to see any of my imports.

Quote
I'd keep the one with fewer audible errors.


easy enough, If the medium file with errors sounds ok then thats good enough for me, If not I can try the high setting.

Quote
Although I wasn't explicit, the suggestion was actually to uncheck that setting.


Actually, I did uncheck it so I got what you were saying.

Quote
I'd just hate to have you waste time re-ripping tracks that were ok.  For this reason, I prefer to load a disc and first look for the AR logo at the lower left.  If the logo is there then I'd rip by doing Shift+F5 and then check the AR results.  You can always generate a second set of CRCs by pressing F8 if needed.  If there's no AR logo then I'd just use Shift+F6.


Got it

Quote
No.  So long as you can get matching CRCs and the no use of null samples is unchecked then the Accurate Stream feature setting can remain checked.


Got it

So to sum up,

Most of my Cds are not going to come up in Accurate rip. So Primarily I will use burst w T&C.

If I get a CD where the CRC's dont match, or there are errors I will use secure mode

I have error recovery on medium unless I get a track that is stubborn then its pretty much playing around trying to get an accurate rip of the track.

Burst mode even with T&C give me decent speed but man did I learn alot.  Reading the logs on a bad track does not mean I need to re-rip it all over.  I can do a test read to compare CRC's in secure mode or even a T&C.  The bottom line is you really only need to stray from Burst in my case if you have mix matched CRCs and/or errors. 

I need to read about Cue sheets and ID3 tags, how should Flac be tagged, album art etc.  Alot of my CDs are mixed so I need a good understanding of Cue sheets.

Anyway to speed up a FLAC rip?

Reply #36
At what number of confidence can you trust AR though?  I will be lucky to see any of my imports.
If it's not your submission, 1 is sufficient.  If it is your submission then it is no less trustworthy than getting matching CRCs with EAC.

easy enough, If the medium file with errors sounds ok then thats good enough for me, If not I can try the high setting.
High and medium probably won't make a difference.

If I get a CD where the CRC's dont match, or there are errors I will use secure mode
Unless it's an overreading problem, you're not going to see errors with matching CRCs in burst mode, but you have overreading disabled so it's a moot point.  You might see "Timing problems" but with matching CRCs, these problems did not cause any errors.

I have error recovery on medium unless I get a track that is stubborn then its pretty much playing around trying to get an accurate rip of the track.
Right, and you may want to throttle the extraction speed of the drive.  Remember, if EAC gets through a track and doesn't report errors, it doesn't mean there weren't any regardless of the error recovery quality setting (though again, you run a greater risk of this happening when it's set to high and there are more than three sets of re-reads performed).

The bottom line is you really only need to stray from Burst in my case if you have mix matched CRCs and/or errors.
Right, and I only recommended burst because your drive caches audio data.  For drives that don't cache and provide C2, I recommend secure mode w/T&C and then try again without C2 if checksums don't match.  With drives that don't cache and don't have C2, I would recommend secure without T&C, but maybe a test pass for tracks that required re-reads somewhere besides at the very very end of a track that couldn't be verified as accurate by AR.

I need to read about Cue sheets and ID3 tags, how should Flac be tagged, album art etc.  Alot of my CDs are mixed so I need a good understanding of Cue sheets.
The command line you're using with flac already includes the basic tags.  The wiki should be able to help you understand cue sheets.  The forum has a lot of discussions about more advanced tagging with most people recommending either Mp3tag or foobar2000.

You've come a long way, congratulations!