I am taking the following steps to convert it in audiobook. 1. Split Doc into chapters 2. Feed the chapter into TTS 3. Join the audio chapters into the book. I

I am taking the following steps to convert it in audiobook. 1. Split Doc into chapters 2. Feed the chapter into TTS 3. Join the audio chapters into the book. I working on the solution for 1 and 3. It would be really helpful if you can provide some suggestions for 1 and 3.