Long-form Narrative
Audio GenerationLong-form Narrative Audio Generation
Create Professional Audiobooks, Podcasts & Stories with AI
Transform manuscripts into studio-quality audio narration. Support for 10,000+ words, multi-chapter structures, multi-character dialogues—powered by ElevenLabs, OpenAI TTS, and Cartesia AI.
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Why Choose VoiSpark Long-form?
Professional audio narration made accessible and affordable
Traditional Methods
VoiSpark Long-form
Core Features
Everything you need for professional long-form audio production
Unlimited Text Length
Generate audio from 1,200 to 100,000+ words—no character limits for long-form projects like novels and dissertations.
Multi-Character Support
Assign different AI voices to narrator and characters. Color-coded text for easy identification.
Paragraph-Level Locking
Lock finalized paragraphs to prevent accidental changes. Track progress with visual indicators.
Arbitrary Regeneration
Regenerate specific words or sentences without re-processing entire paragraphs—optimized credit usage.
Version History
Access previous generations with one-click restore. Never lose your work.
Flexible Export Options
Export as single MP3/WAV file or chapter-by-chapter. Include SRT subtitles for accessibility.
Multiple Input Options
Maximum flexibility for your content workflow
Copy & Paste Text
Paste text directly into the editor
- Real-time word count (unlimited)
- Automatic Markdown format recognition
- Intelligent paragraph segmentation
File Upload
Upload common document formats
- PDF - Automatic text and chapter extraction
- Word (.docx) - Preserve formatting and paragraphs
- TXT - Quick plain text processing
- EPUB - Intelligent e-book format parsing
- Markdown (.md)Coming Soon
URL Import
Coming SoonFetch content directly from webpages
- Automatic ad and clutter removal
- Support for Medium, Substack, and more
- Preserve original structure
Studio-Grade Production Tools
Professional controls for perfect audio output
Editing Features
Audio Controls
How to Generate
Long-form Audio with AI
From manuscript to professional audiobook in 4 simple steps
Upload Content
Paste text or upload file (PDF/Word/EPUB). Automatic chapter detection
Configure Voices
Select primary narrator voice. Assign character voices (optional) and adjust voice settings
Generate & Refine
Generate full document or specific sections. Lock finalized paragraphs, regenerate unsatisfactory parts, review generation history
Export & Publish
Download MP3/WAV (full or by chapter). Export SRT subtitles (optional), ready for Audible, Spotify, Apple Books
Use Cases
Versatile solutions for every long-form audio need
Audiobook Production
Convert novels and non-fiction into professional audiobooks with multi-voice narration for character dialogues.
Podcast Scripts
Turn written episodes into polished audio with consistent narrator voice across series.
Educational Content
Transform textbooks into accessible audio lessons and language learning materials with natural pronunciation.
Author Previews
Generate sample chapters for reader feedback and quick prototyping before professional recording.
Storytelling & Fiction
Create immersive audio dramas with multiple character voices and emotional depth.
Long-form Journalism
Convert investigative reports into audio documentaries and newsletter archives to podcast format.
Frequently Asked Questions
Everything you need to know about Long-form Audio
Need Custom Workflows?
Contact Our Team for API solutions, bulk processing, or dedicated support.