10.3 Audio Combine Audiobook
20241029
Use case is that you have purchased the audio book of Thomas Wenn’s
Victerra Trilogy of three books. Book 1 is Stars of the Mind. The
chapters came as separate mp3 files, 01_chapter_1.mp3 etc., and the
folder includes the book cover as folder.jpg. To upload this to your
Android app for managing podcasts, AntennaPod, you want it as a single
mp3 file in your devices internal shared storage/AudioBooks
folder. You have added this folder to AntennaPod’s folders to monitor.
We will use sox which re-processes the mp3 audio into a single stream. We could have used mp3wrap or ffmpeg to combine the audio, as in Section @ref(audio_combine).
Next we add the book cover using ffmpeg.
We might have the book blurb available in comment.txt, each
paragraph on a single line, and that can be added to the comment tag
of the mp3 file.
Finally, rename it as you like:
Of course, the audio files could be your music collection or a playlist you want to combine into a single file.
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