Question: Is there a tool that can help me create audiobooks with customizable voice preferences and background music?

If you want a tool to create audiobooks with a voice that you can customize to your liking and with background music, Acoust is a good option. It has more than 200 voices in more than 30 languages, with the ability to clone voices using AI, control emotions and add background music. It's easy to use and has real-time collaboration abilities, so it's good for audiobooks and other uses.

Another option is Audie, an AI-based tool to create audiobooks based on written source material. It's designed to be easy to use and to convert written books into high-quality audiobooks. It has a simple interface and can use more than 50 voices, including different accents from around the world. Audie can create audiobooks fast and supports distribution to Amazon, among other platforms, so it's a good option for creators on a budget.

Narration Box is a good option with its AI-based text-to-speech tool. It has a library of more than 700 AI narrators in 140+ languages and accents. You can fine tune the voice inflection and pitch. It's good for creating audiobooks with different voices, and its pricing tiers are flexible for different users.

Last is ElevenLabs, which offers realistic voices in 29 languages. It's geared for audiobook creation, with the ability to clone voices, fine tune them and create natural text-to-speech. It offers a range of pricing tiers from free to enterprise, and it's a good option for content creators, authors and businesses looking to improve their audio offerings.