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M4B to MP3 (chapter separation), Converting M4B to multiple MP3s taking into account the M4B chapters
jaime11
post Sep 23 2009, 00:23
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Hello
I have been searching on the forum but haven't found anything. Basicly what I'm looking for is a program that will input a M4B file and output several MP3 files (1 MP3 per chapter in the M4B file).
I have been using Free M4B to MP3 Converter, but unfortunately, all it does is extract a single MP3 from the M4B.

Anyone knows any other programs for this job?

Thank you
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HydrogenNoobie
post Dec 13 2010, 23:37
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Valekhz - I prefer no pre-pending of "Chapter nn" to the beginning of the filename. If you do prepend filenames with chapter numbers, perhaps there could be an option to enable / disable it?

daleybox - If for some reason valekhz does not implement the feature, or if you do not want to wait, there is a pretty easy workaround for you to try...
1) dump the filenames and creation timestamps of the files output by valekhz's m4b-converter into a text file sorted by time created (in Windows, this can be done with "dir /od > dir.txt" - even if they all display the same time to the minute - the OS knows which were created first to the second or better)
2) open this text file in Excel
3) use the "Concatenate" command in Excel to build a DOS command to do the renaming. I've done this for Windows, and I'm sure equivalent simple steps exist for other OS's. For example...
=CONCATENATE("copy """,A6,""" ""Chapter ",C6," - ",A6,"""")
where column A has the old file name, column C has the numbering you want to use
4) copy this row down for all the files, then copy the whole list of commands into a DOS batch file

With this approach, you can then rename or create copies with the new name for all the files at once. This approach is easy and flexible, and would prevent valekhz from then getting additional requests to support things like:
a) users with m4b files with a Preface or Forward or both asking to offset the first chapter by 1 or 2 (or more) files?
b) users with an audio book that is split into multiple m4b's with multiple chapters per m4b asking to offset so that the first file starts with Chapter Y?
c) users who prefer chapters in roman numerals asking for "chapter i" and "Chapter ii" instead of "Chapter 1" and "Chapter 2"
d) users whose audio players sorts / plays the files the order Chapter 1, 10, 11,12.....,19, 2, 20, 21....29, 3, 30, 31 asking to make the chapters two digits wide so they sort in the proper order
e) users who speak language X asking to add options to name files "Kapitel 1" or "Capítula 1" instead of "Chapter 1".
f) users who want the author and/or title added along with or instead the file name / chapter name.

While I prefer that the chapter number is not added to the file name, I can solve that myself. I'm just trying to think about the future in case there are enough people looking to split M4B files that it really matters.
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- jaime11   M4B to MP3 (chapter separation)   Sep 23 2009, 00:23
- - DVDdoug   NOTE - I've never seen an M4B file, so maybe s...   Sep 23 2009, 00:53
- - MostlyHarmless   Would you point me to a link with such file (m4b w...   Sep 23 2009, 09:17
- - tedgo   Have you tried foobar2000? It can handle m4a/m4b w...   Sep 23 2009, 10:06
- - jaime11   Hello Thanks to everyone with their fast replies.....   Sep 23 2009, 23:21
- - Zarggg   Is there any particular reason you need to transco...   Sep 24 2009, 16:10
|- - jaime11   QUOTE (Zarggg @ Sep 24 2009, 17:10) Is th...   Sep 24 2009, 16:56
|- - uberwolf   QUOTE (jaime11 @ Sep 24 2009, 15:56) QUOT...   Oct 29 2009, 01:03
- - Zarggg   If you don't have (lossless) sources, and you...   Nov 2 2009, 20:26
|- - uberwolf   My idea was to first convert the complete M4b file...   Nov 3 2009, 19:21
- - Zarggg   Have you tried using Audacity? I've had pretty...   Nov 4 2009, 16:56
- - HydrogenNoobie   Jamie11, Did you ever find a solution? I am looki...   Sep 20 2010, 05:22
- - valekhz   If anyone is still interested I wrote a little pyt...   Dec 4 2010, 01:22
|- - nbarzgar   QUOTE (valekhz @ Dec 4 2010, 02:22) If an...   Dec 4 2010, 08:06
|- - valekhz   Thank you for writing the guide, nbarzgar. QUOTE ...   Dec 4 2010, 13:25
- - nbarzgar   QUOTE (valekhz @ Dec 4 2010, 14:25) Thank...   Dec 5 2010, 06:02
|- - valekhz   QUOTE (nbarzgar @ Dec 5 2010, 06:02) I pu...   Dec 5 2010, 16:11
- - nbarzgar   VLC shows the chapters!! So now what would...   Dec 5 2010, 20:30
|- - valekhz   QUOTE (nbarzgar @ Dec 5 2010, 20:30) VLC ...   Dec 6 2010, 00:45
|- - nbarzgar   QUOTE (valekhz @ Dec 6 2010, 01:45) Aweso...   Dec 8 2010, 06:59
- - valekhz   I finally got the time to finish the script. Unfor...   Dec 10 2010, 22:42
|- - nbarzgar   QUOTE (valekhz @ Dec 10 2010, 23:42) I fi...   Dec 11 2010, 11:58
- - HydrogenNoobie   valekhz, Thank you so much for writing this scrip...   Dec 11 2010, 23:47
|- - valekhz   Unfortunately there's no Unicode support right...   Dec 12 2010, 19:02
- - daleybox   I ran into a couple of problems: 1) It was sayin...   Dec 13 2010, 03:36
|- - valekhz   Had some time to figure out the Unicode problem to...   Dec 13 2010, 22:59
|- - brian2090   QUOTE (daleybox @ Dec 12 2010, 21:36) ......   Feb 24 2011, 04:52
|- - alexf   thanks to valekhz for creating this script   Aug 23 2011, 22:40
- - HydrogenNoobie   Valekhz - I prefer no pre-pending of "Chapter...   Dec 13 2010, 23:37
- - HydrogenNoobie   valekhz, I hadn't seen your latest post when I...   Dec 13 2010, 23:50
- - HydrogenNoobie   Wow! I am both impressed and happy. Not only ...   Dec 14 2010, 06:33
|- - daleybox   Thanks so much for the chapter naming support, and...   Dec 14 2010, 14:19
|- - valekhz   QUOTE (HydrogenNoobie @ Dec 14 2010, 06:3...   Dec 14 2010, 20:37
- - HydrogenNoobie   Valekhz, 2. Ahh. I suspected that might be the c...   Dec 17 2010, 05:43
|- - valekhz   QUOTE (HydrogenNoobie @ Dec 17 2010, 05:4...   Dec 17 2010, 19:53
- - HydrogenNoobie   Valekhz, I just wanted to say thank you one last ...   Dec 27 2010, 20:08
- - valekhz   No problem, I'm glad it worked. I needed a fe...   Jan 3 2011, 16:55
|- - swavek   First off, many thanks to valekhz for building thi...   Oct 15 2011, 18:58
|- - cynepnaxa   Many thanks to valekhz! Note for customers. Va...   Jul 15 2012, 02:35
|- - cynepnaxa   QUOTE (cynepnaxa @ Jul 15 2012, 02:35) Va...   Jul 17 2012, 01:08
- - js2002   QUOTE (valekhz @ Dec 4 2010, 01:22) If an...   Jul 28 2011, 12:57
|- - js2002   fixed 1 problem in line 44: proc = subprocess...   Jul 28 2011, 14:55
- - ertdredge   As with everyone who's posted, major props to ...   Oct 16 2011, 03:57
|- - vitos   QUOTE (ertdredge @ Oct 16 2011, 04:57) As...   Aug 22 2012, 11:29
- - fyrebender360   Absolutely brilliant!!!! Thanks f...   Nov 9 2011, 23:23
|- - Jaantat   I tried all different versions but still it makes ...   Jun 16 2012, 15:30
|- - nmallears   QUOTE (Jaantat @ Jun 16 2012, 07:30) I tr...   Jun 18 2013, 17:15
|- - bitbanger   QUOTE (nmallears @ Jun 18 2013, 11:15) I ...   Today, 19:06
- - theviki   If this is still relevant, I found an easier way. ...   Aug 31 2012, 12:48


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