What is M4B File Format? How to Open And Convert M4B Files? AFFIV
M4B File Format. M4b audio files are nearly identical to m4a files. They are usually encoded with the aac codec.
They are usually encoded with the aac codec. M4b audio files are nearly identical to m4a files. M4a files contain audio books.
M4a files contain audio books. They are usually encoded with the aac codec. M4a files contain audio books. M4b audio files are nearly identical to m4a files.
