v.0.3-beta5

• Improved cover support (png)
• Improved audio file detection (extension is now case insensitive)
• Improved auto-chaptering (prefer meta, then filenames, then numeric index - must at least have 4 different titles)

v.0.3-beta4

v.0.3-beta4

Improvements:

• restructured cover extraction
• fixed conversion handling for cover embedding resulting in missing / wrong chapters
• fixed problem with --auto-split-seconds
• added possible workaround for #9
• try to extract cover from input files when merging and no cover is given

Documentation:

• Added a sample shell script (multi-merge.sh) to batch convert a directory on POSIX Systems (tested on Ubuntu 16.04 LTS)

v.0.3-beta3

v.0.3 Beta 3

• added --auto-split-seconds parameter for merge command to define a maximum track to chapter length in seconds (if chapter/track is longer, it will be splitted in chunks with this amount of seconds)

This is especially useful if you have only a few very long files, you would like to merge.

v.0.3-beta2

v.0.3 Beta 2

• Added --ffmpeg-param - allows appending args directly to ffmpeg calls

v.0.3-beta1

v.0.3 Beta 1

• Fixed handling of german umlauts (Windows only)
• Added new metadata parameters (e.g. --comment)
• Added better cover handling (now detects all jpg and png images as cover - cover.jpg is preferred)
• Added threads parameter to be more flexible using ffmpeg

v0.2

Changelog:

• Fixed a bug where a missing ini setting date.timezone causes an uncaught exception
• Added flag --adjust-for-ipod adjusts audiobook bitrate with the calculated maximum sampling rate of an ipod
• Added flag --album which is used as title of the audiobook in itunes
• Minor improvements for logging and output

---

m4b-tool is a tool to split, merge or modify m4b audiobook files.

Features:

• Merge a set of audio files into a single m4b file
• Split a single m4b-File into several output files by chapters
• Add chapters to an existing m4b-File via musicbrainz and silence detection