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Bug 169092 - Handle hidden tracks on CDs
Handle hidden tracks on CDs
Status: RESOLVED OBSOLETE
Product: sound-juicer
Classification: Applications
Component: ripping
2.14.x
Other All
: Normal enhancement
: ---
Assigned To: Sound Juicer Maintainers
Sound Juicer Maintainers
: 349646 351314 (view as bug list)
Depends on:
Blocks:
 
 
Reported: 2005-03-03 14:49 UTC by James Henstridge
Modified: 2021-05-17 15:47 UTC
See Also:
GNOME target: ---
GNOME version: Unversioned Enhancement


Description James Henstridge 2005-03-03 14:49:53 UTC 
While trying to work out the cause of bug 168994, I found a few of my CDs had
hidden tracks accessible by rewinding from the first track.

This type of hidden track can be detected by the fact that the first track
starts signficantly later than the first sector on the disc (5 or 10 seconds,
maybe?).

It would be pretty cool if Sound Juicer could rip them.

The other sort of hidden/bonus track that I often find is where the last track
on the CD ends with a long stretch of silence and the hidden track.  This is
particularly annoying, since both sonds end up in the same output file along
with the silence.

It would be nice if Sound Juicer could detect this case and output two files
without the silence in between (I realise that this is probably a lot more
difficult than the first request).
Comment 1 Ross Burton 2006-10-16 09:47:44 UTC 
*** Bug 351314 has been marked as a duplicate of this bug. ***
Comment 2 Adam Petaccia 2006-10-23 19:40:56 UTC 
What is an example of a CD that has a hidden first track (Track -1?)
Comment 3 James Henstridge 2006-10-26 15:03:48 UTC 
Here is an example table of contents for a CD with a hidden pregap track:

Table of contents (audio tracks only):
track        length               begin        copy pre ch
===========================================================
  1.    14246 [03:09.71]    12735 [02:49.60]    no   no  2
  2.    21232 [04:43.07]    26981 [05:59.56]    no   no  2
  3.    19402 [04:18.52]    48213 [10:42.63]    no   no  2
  4.     9662 [02:08.62]    67615 [15:01.40]    no   no  2
  5.    16236 [03:36.36]    77277 [17:10.27]    no   no  2
  6.    23275 [05:10.25]    93513 [20:46.63]    no   no  2
  7.    20107 [04:28.07]   116788 [25:57.13]    no   no  2
  8.    30807 [06:50.57]   136895 [30:25.20]    no   no  2
  9.     7613 [01:41.38]   167702 [37:16.02]    no   no  2
 10.    22800 [05:04.00]   175315 [38:57.40]    no   no  2
 11.    20318 [04:30.68]   198115 [44:01.40]    no   no  2
 12.    17352 [03:51.27]   218433 [48:32.33]    no   no  2
 13.    31275 [06:57.00]   235785 [52:23.60]    no   no  2
TOTAL  254325 [56:31.00]    (audio only)

Note that the beginning of the first track is at the 2:49 mark.  So if you start playing the first track and then rewind 2 minutes 49 seconds, you'll hear another song.
Comment 4 Bart Vanherck 2006-11-08 17:50:09 UTC 
You can create such an audio CD with cdrdao See for the TOC file on http://cdrdao.sourceforge.net/example.html#secret
Comment 5 Ross Burton 2008-02-05 16:57:06 UTC 
*** Bug 349646 has been marked as a duplicate of this bug. ***
Comment 6 GNOME Infrastructure Team 2021-05-17 15:47:40 UTC 
-- GitLab Migration Automatic Message --

This bug has been migrated to GNOME's GitLab instance and has been closed from further activity.

You can subscribe and participate further through the new bug through this link to our GitLab instance: https://gitlab.gnome.org/GNOME/sound-juicer/-/issues/27.