Show HN: M4b-tool – a tool to merge, split and chapterize audiobooks

When merging audiobooks, you should prepare them – the following directory structure helps a lot, even if you only merge one single audiobook:

or if it is a series

Now, because you almost always want a cover and a description for your audiobook, you should add the following files in the main directory:

Chapters are nice to add waypoints for your audiobook. For all options, see :

If you use the parameter, the following placeholders are supported

can be used to split a single m4b into a file per chapter. The following variables are available:

Many m4b audiobook files do not contain valid chapters for different reasons.

Source: github.com