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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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valekhz
post Dec 10 2010, 22:42
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I finally got the time to finish the script. Unfortunately it's not possible to retrieve chapter times through VLC's API so I had to find another solution. libmp4v2 should be able to read both chapter formats but I haven't been able to test both. If it doesn't work it'll have to wait until I have access to one of those m4b files.

Installation is pretty simple:
  1. Download the new script and extract all files to a folder of your choice.
  2. Place ffmpeg.exe either in the same dir as m4b.py or in your PATH.
  3. Download libmp4v2.dll and place it in the same dir as m4b.py. I couldn't find any pre-compiled dlls so I compiled one myself. You can get it here. If you feel more comfortable compiling yourself check the README for instructions.
I compiled the dll with Visual Studio 2010 so you may need the Microsoft Visual C++ 2010 Redistributable Package if you get dll errors when running the script. You can download it from Microsoft's website. Sorry about all these extra dependencies.

If anyone rather want to use the old script (without support for both chapter types) it's still available here.

This post has been edited by valekhz: Dec 10 2010, 22:43
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Posts in this topic
- 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
- - theviki   If this is still relevant, I found an easier way. ...   Aug 31 2012, 12:48


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