Blake
English · Narration
Multi-Voice Audiobook
Free to start. No card needed.
Cast a distinct voice for the narrator and every character in your book. The analysis detects who is speaking; you pick the voices and generate.
“VocalLab AI nailed the process, and the output is better. Way better. I love the ability to steer voices and ease of adding emotions/ sighs/ coughs.”
“I can upload a Word document, select automatic casting, click a button, and out comes a fully dramatised audiobook with different voices and performances.”
Step-by-step guide
How to Use Multi-Voice Audiobook
Start for free — no credit card, no software to install.
Upload the manuscript
Add an EPUB, MOBI/AZW, DOCX, TXT or PDF with selectable text — any of 10 formats; a scanned PDF needs a text-based file instead.Review the detected cast
Chapters stream in as the analysis finishes finding every speaking character and attributing their lines.Assign a voice per character
Pick a voice from the library, or a cloned voice, for the narrator and for each named character.Generate the book
Render the whole manuscript or selected chapters, then export as one file or per chapter.
Multi-Voice Audiobook
Features & Capabilities
Everything you need to create professional voiceovers — in one tool.
Automatic speaker detection
The analysis pass attributes every line in the manuscript to a speaker before you cast anyone.Per-character voice casting
Assign a library voice or a clone to each detected character independently.Whole-book or chapter generation
Render the entire cast list across the full manuscript or just the chapters you choose.Cloned voices in the cast
Cast a cloned voice alongside library voices for a character who needs to sound like someone specific.
Use cases
What Can You Create with Multi-Voice Audiobook?
From TikTok to podcasts — here's where creators use this tool most.
Two-hander dialogue scenes
Give two characters trading lines back and forth clearly distinct voices instead of one narrator's inflection.Large ensemble fiction
Cast a full ensemble for a novel with a dozen or more named characters without re-recording anyone.Narrator-plus-character split
Keep a single narrator voice for prose and separate voices only for the dialogue lines.Series continuity
Reuse the same cast list across sequels so returning characters keep the same voice book to book.
vs Standard TTS
VocalLab vs Standard Text-to-Speech
See why creators switch from generic TTS tools to VocalLab.
| VocalLab AI | Standard TTS | |
|---|---|---|
| Audio quality | Studio-quality AI | No |
| MP3 export | Yes | No |
| SRT caption export | Yes | No |
| Word-level highlighting | Yes | No |
| Emotion & style control | Yes | No |
| Commercial rights | Yes | No |
| Instant generation | Yes | No |
| Free tier | No credit card needed | No |
Recommended Voices
Matched to this tool. Play a sample, then use it in Studio.
About this tool
Everything you need to know about Multi-Voice Audiobook
A multi-voice audiobook assigns a distinct voice to the narrator and to each named character, so dialogue reads as a cast instead of one performer switching cadence between lines. The analysis pass reads your manuscript, works out who is speaking on every line, and streams in a chapter-by-chapter cast list — you pick a voice per character from the library or a clone before generating the book.
People also search for
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How does the tool know which character says which line?
An analysis pass reads the manuscript, splits it into chapters, and works out who is speaking for every line before you cast anyone.
Can I reassign a voice after casting?
Yes, change any character's voice and regenerate just the affected chapters instead of rendering the whole book again.
Is there a limit to how many characters I can cast?
No fixed cap — cast as many named characters as the analysis detects across your manuscript.
Can I use a cloned voice for one character and library voices for the rest?
Yes, a cloned voice can sit in the same cast list alongside voices picked straight from the library.
Does casting a full ensemble slow down generation?
No, generation still runs per chapter or across the whole book regardless of how many characters are in the cast.
Make the whole audiobook in Studio.
Upload your manuscript, cast the voices and export every chapter. Free to start.
