Audiobook & podcast AI narration
Prototype chapters, cold opens, and narrative podcasts with expressive voices before committing to a human narrator.
Audiobook and podcast AI narration is synthetic speech you use to hear pacing, chapter length, and dialogue flow before hiring a human narrator or publishing a serial show. MachenVoice exports block-based MP3 you can normalize in a DAW for ACX, Spotify, or private review links.
Choose a voice
Loading the full voice catalog…
140 / 2000 characters
Choose a voice
Loading the full voice catalog…
144 / 2000 characters
Human verification
To continue, confirm you are human in the challenge below.
Plays ready blocks in order
Download all blocks merged into one MP3 with the button on the right.
How to do it step by step
- 1
Break the manuscript at scene breaks or POV shifts; paste each beat into its own block under 2,000 characters.
- 2
Choose Sonia (English - United Kingdom) for literary fiction drafts or Guy (English - United States) for nonfiction memoir pacing.
- 3
Generate chapter blocks, use the playlist to listen in order on headphones, and mark blocks that need rewrites.
- 4
Export stitched MP3, import into Reaper, Audacity, or Adobe Audition, and apply noise reduction plus loudness targeting.
- 5
Share the draft with editors or beta listeners before you commission final human narration or publish the AI draft (if rights allow).
Tips for natural-sounding long-form narration
- Vary sentence length every few paragraphs so the voice does not fall into a metronome rhythm.
- Write dialogue on its own lines; avoid nested quotes that confuse emphasis in neural voices.
- For character names, pick one spelling and stick to it so regenerations stay consistent.
- Use ellipses sparingly; a period plus a new paragraph usually produces cleaner pauses.
- Cold opens for podcasts should end block one on a cliffhanger and move subscribe CTAs to block two.
Which voice should I choose?
| Voice | Why it fits this use case |
|---|---|
| Sonia (English - United Kingdom) | Literary fiction drafts and slow-burn mysteries. |
| Ryan (English - United Kingdom) | Nonfiction history and biography prototypes. |
| Guy (English - United States) | US nonfiction and true-crime podcast narration tests. |
| Aria (English - United States) | Young adult fiction and upbeat nonfiction. |
| Francisca (Portuguese - Brazil) | Brazilian Portuguese fiction podcasts and audiobook samples. |
| Nanami (Japanese - Japan) | Japanese-language drafts when you localize a series. |
Common mistakes
Publishing AI narration without checking distributor rules.
Review ACX, Spotify, and publisher contracts; many require disclosure or human final masters.
Exporting without loudness normalization.
Podcast platforms expect integrated loudness targets—master in a DAW after MachenVoice export.
Mixing music inside the TTS script.
Generate dry voice; add beds and SFX in post so you can rebalance episodes later.
Ignoring mouth sounds in dense dialogue scenes.
Shorten exchanges or split blocks so the voice can breathe between speakers.
Assuming one MP3 export equals a finished audiobook chapter.
Treat MachenVoice output as a draft track: de-ess, EQ, and chapter gaps still belong in your DAW before distribution.
FAQ
- What loudness should I target for audiobooks?
- Many distributors ask for roughly -18 to -23 LUFS integrated after mastering. Measure in your DAW; MachenVoice does not apply broadcast limiting.
- How long can podcast intros be?
- Use multiple blocks if needed—each holds up to 2,000 characters. Keep spoken intros tight; move credits to show notes when possible.
- Do publishers accept AI narration?
- Policies vary. Use MachenVoice for drafts and pitching; confirm commercial terms on our Licenses page before retail release.
- Can I hear chapters in order?
- Yes—the studio playlist plays generated blocks sequentially before you export one MP3.
- Should I still hire a human narrator?
- Many teams prototype with AI, then book talent for the retail edition—MachenVoice helps you fix structure early.