Does this need chapter markers?
Yes. The M4B must contain embedded chapters.
or drop files anywhere
We can only extract content that is present in the original file.
Chapter audio files split from markers.
Yes. The M4B must contain embedded chapters.
Chapter splitting uses the higher of duration and file size: 1 credit per 5 minutes or 5 MB.
No. It splits existing audio by embedded timestamps.
Latest improvements to this extractor