OmniVoice

OmniVoice Text-to-Speech

OmniVoice Text-to-Speech converts any text into natural, expressive speech in 600+ languages. Choose from a set of voice attributes — gender, age, pitch, accent — and the model generates matching audio in seconds. No voice sample needed.

Why Choose This?

• Attribute-driven voice design Pick from predefined voice attributes (gender, age, pitch, accent) to create your ideal voice — no audio sample required.

• 600+ languages The broadest language coverage among zero-shot TTS models.

• Speed control Adjust the speaking rate to match your content pacing needs.

• Fast generation Output delivered in under 5 seconds.

Parameters

Parameter	Required	Description
text	Yes	The text you want converted to speech.
voice_description	No	Comma-separated voice attributes (see list below). If omitted, a random voice is used.
speed	No	Playback speed factor. 1.0 = normal. Range: 0.1–5.0.

Valid Voice Attributes

Combine any of these with commas (e.g. female, low pitch, british accent):

Gender: female, male

Age: child, teenager, young adult, middle-aged, elderly

Pitch: very low pitch, low pitch, moderate pitch, high pitch, very high pitch

Style: whisper

Accent: american accent, australian accent, british accent, canadian accent, chinese accent, indian accent, japanese accent, korean accent, portuguese accent, russian accent

Examples

• female, low pitch, british accent
• male, young adult, american accent
• female, elderly, whisper
• male, high pitch, indian accent

How to Use

1. Enter your text — type or paste the content you want spoken.
2. Choose voice attributes (optional) — combine gender, age, pitch, and accent attributes separated by commas.
3. Set speed (optional) — adjust the speaking rate if needed.
4. Submit — generate and download your audio in seconds.

Pricing

Text Length	Cost
Under 100 chars	$0.005 (flat)
100 chars	$0.005
500 chars	$0.025
1000 chars	$0.050

Best Use Cases

• Content creation — Generate voiceovers for videos, ads, and social media.
• Audiobook & podcast production — Convert written content into listenable audio at scale.
• App & product demos — Add natural speech to prototypes and presentations.
• Accessibility — Convert text content into audio for audio-first audiences.
• Multilingual apps — Generate speech in 600+ languages from a single model.

Pro Tips

• Combine 2–3 attributes for best results (e.g. female, young adult, british accent).
• Omit voice_description entirely for a random voice — useful for variety in batch generation.
• Use whisper for ASMR-style or intimate content.
• Adjust speed to 0.8 for calm narration or 1.3 for energetic delivery.

Related Models

• OmniVoice Voice Clone — Clone a specific voice from a reference audio sample.