AI Voice Generator: Text, Emotion & Voice Clone Fish Audio
Generate finished voice audio from a script, choose from a large voice library, direct emotion, clone a voice with consent, and plan credits before you pay.
An AI voice generator turns a finished script into publishable speech without a recording booth. Fish Audio gives you three controls that matter more than a generic “generate” button: the voice, the delivery written into the script, and the amount of audio you reproduce when an edit changes one line. Packs start at $9, one credit covers about 1,000 characters, and every output is a file you can download.
What does an AI voice generator do?
An AI voice generator converts text into speech using a model trained on spoken language. The useful workflow is not only conversion. You need to choose a voice that fits the audience, direct emphasis and pacing, keep that voice consistent across a series, and regenerate a sentence when the script changes.
That is why “text to speech” and “AI voice generator” overlap but are not identical search intents. Fish Audio text to speech explains the engine. This page is the production view: how to turn a working script into a finished audio asset that fits a channel, course, game or product.
How do you choose a voice?
Audition with your own script, not the sample sentence on a voice card. A voice that sounds warm in a demo can rush the pauses you wrote for a product explainer. Read the first two minutes of the actual script out loud first, then compare voices against the places where the delivery has to change.
Use these three checks before committing:
- Pace: Does the voice leave enough room after lists, names and calls to action?
- Contrast: If two speakers appear, do they remain distinguishable on a phone speaker?
- Endurance: Can you listen to the voice for the full length of the project without fatigue?
The voice library guide covers the catalogue and casting workflow in more detail.
How do you direct emotion without acting?
Write delivery instructions into the script. Emotion tags such as [excited], [whispering] and [serious] mark a change in performance. Natural-language notes can describe a broader direction, such as “measured and reassuring, with a short pause after each step.”
Keep direction attached to the smallest useful block of text. If one paragraph changes from calm to urgent, mark the change at that paragraph rather than placing the same tag across an entire chapter. Smaller blocks are easier to audition and cheaper to regenerate.
| Project | Useful direction | Common mistake |
|---|---|---|
| Product explainer | Clear, confident, medium pace | Making every sentence sound like an advertisement |
| Character scene | Distinct emotional beats per speaker | Using one voice for two characters that need contrast |
| Course module | Patient and consistent across sections | Recasting the narrator halfway through the course |
| Audiobook | Quiet control across long chapters | Over-performing every line |
Should you use a library voice or clone a voice?
Use a library voice when the job needs a reliable narrator or character that already exists in the catalogue. Clone a voice when the project depends on a specific person, a returning character or a brand voice that is not available. Cloning is included in every pack, but consent is not optional.
Fish Audio builds a reusable voice from a short recording. The practical rule is simple: clone your own voice, or clone someone who has given documented permission for the project and its distribution. A commercial pack grants rights to the generated output; it does not grant permission to impersonate the speaker. The voice cloning guide explains the consent record and sample workflow.
How much does an AI voiceover cost?
Plan from character count, not from a vague “minutes included” claim. One credit covers roughly 1,000 characters, and natural English speech is commonly around 140 to 150 words per minute.
| Finished audio | Approximate words | Characters | Approximate credits |
|---|---|---|---|
| 30-second social video | 75 | 450–500 | 1 |
| 5-minute explainer | 750 | 4,500–5,000 | 5 |
| 20-minute podcast episode | 3,000 | 15,000 | 15 |
| 10-hour audiobook | 90,000 | 540,000–600,000 | 540–600 |
Retries are part of the budget. A 30-second spot may need three reads, while a long chapter may need only a few paragraph-level fixes. Keep the script as the source of truth so a revision changes one section instead of forcing a full production pass.
How do you build a repeatable production workflow?
- Write for speech. Use punctuation for breath, split sentences that contain too many clauses, and say numbers the way they should be read.
- Lock the voice early. Settle the narrator before generating volume.
- Generate in paragraphs or scenes. This keeps re-edits cheap and makes pacing easier to compare.
- Audition the first minute. Check names, numbers and technical terms before producing the full file.
- Download and archive the script with the audio. A later revision then has a reproducible input.
For commercial projects, decide on rights at the quotation stage. The commercial use guide explains which packs cover client work and monetized publishing.
Is Fish Audio the right generator for your project?
Choose a one-time credit model when your volume is uneven: a launch month may need many reads, while the next month may need only a few corrections. Choose a subscription when you need a predictable allowance every month. Fish Audio’s packs do not renew, and credits remain valid for 12 months.
The platform is strongest when the work is script-driven and voice consistency matters: narration, short-form video, courses, audiobooks, character dialogue and product demos. For conversational products, pair this workflow with the voice agent guide and the developer path in the API overview.
What should you review before publishing?
Listen on the device where the audience will hear the result. A voice that sounds balanced in studio headphones can lose consonants through a phone speaker or a compressed video platform. Check the first two seconds, names, numbers, the final call to action and any transition where the voice changes direction.
Then compare the audio with the written claims, captions and on-screen text. A clean generation is still wrong if the script says one price and the page says another. Keep the approved script beside the final file so a future editor can distinguish a voice problem from a source-copy problem.
Frequently asked questions
What is an AI voice generator?
An AI voice generator turns written text into spoken audio. Fish Audio adds voice selection, emotion tags, multi-speaker dialogue, voice cloning and downloadable files so the result can be used in video, courses, games and other published work.
How much does a generation cost?
One credit covers about 1,000 characters of generated speech. The $9 Starter pack includes 1,000 credits, while a 500-character short-form voiceover costs about one credit before any retries.
Can I clone a voice with an AI voice generator?
Yes, with permission. Fish Audio can build a reusable voice from a short recording. Clone your own voice or a voice you have documented consent to use; commercial output also needs the appropriate pack.
Do I need an API to generate a voiceover?
No. The browser workspace covers script writing, voice selection, generation and download. Teams that need to generate from their own application can use the Studio pack, which includes API access.
Can generated audio be used commercially?
Commercial usage rights start with the $29 Creator pack. Personal, non-monetized projects are covered by the $9 Starter pack. Voice consent is a separate requirement and applies even when your credit pack includes commercial rights.