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Voice AI research lab offering emotionally intelligent speech models and APIs for developers building empathic voice applications.
Free browser-based text-to-speech tool with a large multilingual voice library and adjustable tone, speed, and pitch.
Online text-to-speech converting text, URLs, PDFs and images into natural multilingual AI voice audio.
Free online text-to-speech with 200+ voices across 70+ languages, exporting MP3 for creators and study use.
AI tool that turns text descriptions into custom sound effects, with a large searchable library of pre-made effects.
No public pricing
No public pricing
Free trial available
Free trial available
No public pricing
- ✦Empathic, emotionally intelligent voice models
- ✦Human-feedback and evaluation APIs
- ✦Open-source models and datasets
- ✦Coverage of 50+ languages and dozens of emotions
- ✦Expression measurement and speech tooling
- ✦Free online text-to-speech conversion, no signup required
- ✦Voice library spanning 25+ languages and regional accents
- ✦Adjustable speed, pitch, and emotional tone presets
- ✦Use cases for audiobooks, podcasts, and video dubbing
- ✦Separate paid desktop app for unlimited offline bulk conversion
- ✦Text, URL, PDF and image to speech
- ✦Large multilingual AI voice library
- ✦Transcription and image translation
- ✦Voice cloning and speech-to-speech
- ✦Two-speaker AI podcast studio
- ✦Commercial-use audio downloads
- ✦200+ AI voices in 70+ languages
- ✦Text and document (PDF/TXT) to speech
- ✦Adjustable speech rate and pitch
- ✦MP3 download
- ✦Voice cloning and audiobook tools
- ✦Text-to-sound-effect generation
- ✦AI voice cloning
- ✦Video-to-sound-effect matching
- ✦AI music and lyrics generation
- ✦Text-to-speech tool
- ✦Searchable library of pre-made sound effects
- →Building empathic voice assistants
- →Measuring emotional expression in speech
- →Running human evaluations of voice models
- →Adding emotional intelligence to apps
- →Narrating short stories or articles into audio
- →Creating voiceovers for videos or podcast intros
- →Generating multilingual audio clips for accessibility
- →Converting large documents to speech in bulk via the paid desktop app
- →Producing audiobooks and podcasts
- →Creating video voiceovers
- →Turning documents into audio
- →Making multilingual audio content
- →Voice over YouTube or TikTok content
- →Convert documents to audio
- →Create audiobooks or study material
- →Generating a custom sound effect for a video or game
- →Finding existing sound effects for content creation
- →Adding synced sound effects to AI-generated video
- →Creating voice or speech audio from text