A virtual production house for publishers. A cinematic listening experience for readers.
Send a manuscript. Get back a broadcast-quality cinematic audiobook — distinct voices for every character, original score, full sound design — distributed automatically to Spotify, YouTube, and more. Every title goes live in Embervox Theater with AI companion features built in.
12
specialist agents, in parallel
3x
audience — English, Hindi, Spanish by default
70+
languages at near-zero marginal cost
Audio is eating publishing.
36% year-over-year growth. 70% of new releases will have audio editions by 2027. Listeners don't read anymore — they listen on commutes, at bedtime, at the gym. The publishers who have audio catalogs win the algorithm. The publishers who don't disappear from discovery.
Most backlists have zero audio editions — not because publishers don't want them, but because at $200–400 per finished hour, producing a full catalog is economically impossible for anyone but bestseller publishers. Meanwhile, competitors with audio are capturing the listener relationships that compound.
Every month without audio editions, your backlist loses discoverability to competitors who do have them. The publishers moving now are building audio-first catalogs. The window to be early is closing.
Hear the difference.
Same manuscript. Raw AI narration on the left. Full cinematic production on the right. Hit play on both.
“Cinematic” means something specific.
Distinct voices for every character. Sound effects generated from the story — placed precisely where the script calls for them. Original music scored to each scene's emotional arc. Spatial reverb that puts characters inside real acoustic environments. A self-adjusting mix where music always yields to the voice.
That's what every Embervox title gets. Not as an upgrade. As the default.
How it works
01
Send your manuscript
Any format — TXT, DOCX, PDF.
02
The creative director directs
Reads your manuscript, writes the full cinematic direction script — emotion cues, pacing marks, and SFX annotations per line, per character.
03
The specialists produce
Casting director assigns voices. Sound designer builds the soundscape. Composer scores the chapter. Mixing engineer assembles the mix.
04
QC agent validates
Five gates. Self-healing remediation loop. When a chapter fails, the agent diagnoses root cause and dispatches the fix automatically.
05
You publish
Distribution agent submits directly to Spotify, Apple Books, and YouTube via automated integrations. Hoopla, OverDrive, Libby, and podcast RSS packaged and ready. Done in days.
Our work
Embervox Theater
Not just audiobooks — cinematic experiences.
Every title produced by Embervox goes live in Embervox Theater with a full AI companion layer built in. Listeners don't just press play — they interact.
Ask Your Guide
Tap to speak and ask anything about the story. Answers are grounded in the text, cite specific chapters, and never spoil what's ahead.
Recaps
AI-generated chapter summaries so listeners never lose their place, even after a long break.
Transcript Sync
Follow along with scene-level text highlighting as the audio plays.
Language Switch
Same story, same voices, any language. Switch between English, Hindi, Spanish, and more — produced from a single manuscript.
Learning Mode
Auto-pauses at scene boundaries with comprehension prompts. Built for educational and children's content.
Distributed everywhere, by default.
Streaming & Purchase
Library
Coming soon
Today we produce for you. Soon, you'll produce yourself.
We're building the infrastructure to make cinematic audiobook production available to every publisher — starting with full-service, evolving toward self-serve.
Ready to produce your first audiobook?
Sign up free. Upload a manuscript. Hear it transformed.
Start Free