Voice AI
Natural speech synthesis and transcription. Create lifelike voices for IVR, podcasts, videos, and accessibility.
50+ languages, hundreds of voices, and real-time streaming. Clone voices with just 30 seconds of audio. From audiobooks to phone systems — if it speaks, we power it.
Sarah
American English • Warm, Professional
Sample text:
"Welcome to Lumatrx. Your account has been upgraded to Pro. You now have access to all premium features."
50+
Languages
200+
Voices
< 100ms
Latency
99.99%
Uptime
Voice technology that sounds human
Not robotic, not uncanny — naturally expressive voices that your users will love.
Text-to-Speech
Convert any text to natural-sounding audio. Control speed, pitch, and emphasis with SSML tags.
Speech-to-Text
Transcribe audio in real-time with 95%+ accuracy. Supports speaker diarization and timestamps.
Voice Cloning
Create a custom voice from 30 seconds of audio. Perfect for brand consistency and personalization.
Real-Time Streaming
Stream audio as it's generated for conversational AI. Sub-100ms first-byte latency.
Emotion Control
Add emotion to voices: happy, sad, excited, calm. Make your AI sound genuinely expressive.
Pronunciation
Custom pronunciation dictionaries for names, brands, and technical terms. Get it right every time.
Built for every use case
IVR & Phone Systems
Natural voice prompts that don't frustrate callers. Dynamic responses based on context.
Audiobooks & Podcasts
Turn written content into audio at scale. Multiple narrators, consistent quality.
Video & Courses
Voiceovers in any language. Perfect for e-learning, explainer videos, and presentations.
Accessibility
Screen readers, navigation aids, and assistive technology. Make your product inclusive.
Two ways to get started
Use Voice AI standalone or as part of the full Lumatrx platform.
Just Voice AI
Sign up directly and start adding voice to your app. No commitment to other products.
- Standalone dashboard
- Separate billing
- Full access
Business in a Box
Get Voice AI plus 10 other products. One account, one dashboard, one bill.
- All 11 products included
- Unified dashboard & billing
- Cross-product features
Give your product a voice
10,000 characters free every month. Start building today.