200+ natural voices in 50+ languages from 8+ providers. ElevenLabs, Azure Neural, Google, OpenAI, Deepgram Aura. Real-time streaming for voice assistants. HD voices for Hindi, Tamil, Telugu, Bengali.
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TTS Providers
Single unified API
Voices
Natural & expressive
Languages
Including 10 Indian
Latency
With Deepgram Aura
From text to natural speech
Text or SSML via API
Neural voice model generates speech
Audio chunks delivered in real-time
MP3, WAV, or PCM output
Enterprise-grade voice synthesis
Human-like naturalness
Low latency audio delivery
Including 10 Indian languages
Control pauses, pitch, speed
Create custom voices
MP3, WAV, OGG, PCM
99.9% SLA available
Python, Node.js, Go
Choose the right TTS provider for your use case
| Feature | ElevenLabs | Azure | OpenAI | Deepgram | |
|---|---|---|---|---|---|
| Voice Quality | Best | Excellent | Very Good | Very Good | Good |
| Hindi Voices | 2 | 8 | 4 | 1 | 0 |
| Latency | ~300ms | ~200ms | ~250ms | ~400ms | ~100ms |
| Price/1K chars | $0.03 | $0.016 | $0.004 | $0.015 | $0.015 |
| Voice Cloning | Yes | Enterprise | No | No | No |
HD neural voices for 10 Indian languages
Voice synthesis for every application
Voice Assistants
Natural conversational AI
IVR Systems
Dynamic call responses
Gaming NPCs
Character voices
Navigation
Turn-by-turn guidance
Audiobooks
Automated narration
Video Voiceovers
Multi-language content
E-Learning
Course narration
Accessibility
Screen readers
Generate speech in just a few lines of code
// Text-to-Speech example (Node.js)
import { EdesyTTS } from '@edesy/tts';
const tts = new EdesyTTS({ apiKey: 'your-api-key' });
// Generate speech with ElevenLabs
const audio = await tts.synthesize({
text: "नमस्ते, मैं आपकी कैसे मदद कर सकता हूं?",
provider: 'azure', // or 'elevenlabs', 'google', 'openai'
voice: 'hi-IN-SwaraNeural',
format: 'mp3'
});
// Stream audio for real-time playback
const stream = await tts.stream({
text: "Real-time streaming for voice assistants...",
provider: 'deepgram',
voice: 'aura-asteria-en',
format: 'pcm'
});
stream.on('data', (chunk) => audioPlayer.write(chunk));From signup to speech in minutes
Sign up and get credentials
Browse 200+ voices by language
Use REST API or SDK
Convert text to natural speech
Pay per character. No minimum commitment.
Everything about Text-to-Speech API
A text-to-speech (TTS) API converts written text into natural-sounding speech audio. It's used for voice assistants, IVR systems, audiobooks, accessibility features, e-learning, and video narration. Our API provides access to multiple TTS providers with 200+ voices through a unified interface.
We support 8+ TTS providers: Google Cloud TTS (multilingual), Azure Neural (enterprise), ElevenLabs (most natural), OpenAI TTS (cost-effective), Deepgram Aura (low latency), Cartesia (real-time), Sarvam AI (Indian languages), and PlayHT. Choose based on voice quality, language, and cost.
We offer HD voices for 10 Indian languages: Hindi (male & female), Tamil, Telugu, Bengali, Marathi, Gujarati, Kannada, Malayalam, Punjabi, and Assamese. Azure Neural provides the most natural Indian voices with expressive styles. For Hindi, we recommend Azure voices like 'SwaraNeural' and 'MadhurNeural'.
Real-time streaming TTS generates audio chunk-by-chunk as text is processed, reducing time-to-first-byte. Instead of waiting for the entire audio file, you get audio within milliseconds. Essential for voice assistants and conversational AI where low latency matters.
Modern neural TTS voices are nearly indistinguishable from human speech. ElevenLabs leads in naturalness with emotional expression. Azure Neural and Google WaveNet offer high-quality voices. For the most natural experience, we recommend ElevenLabs for English and Azure Neural for Indian languages.
Voice cloning creates a custom TTS voice that sounds like a specific person. ElevenLabs offers instant voice cloning from ~1 minute of audio, and professional voice cloning from ~30 minutes of studio recordings. Useful for brand voices, audiobooks by authors, and personalized assistants.
SSML (Speech Synthesis Markup Language) is an XML-based language for controlling speech output - pauses, emphasis, pronunciation, speed, and pitch. All our providers support SSML tags. Use SSML for precise control over how text is spoken.
Pricing is per character: Google from $0.000004/char, Azure $0.000016/char, OpenAI $0.000015/char, ElevenLabs from $0.00003/char (premium quality). A typical 1-minute audio (~150 words, ~750 chars) costs $0.003-$0.02 depending on provider.
We support all common formats: MP3 (most compatible), WAV (highest quality), OGG (efficient), PCM/mulaw (telephony). Sample rates from 8kHz (phone) to 48kHz (studio). For voice assistants, we recommend mulaw/8kHz for Twilio and PCM/16kHz for others.
Yes! ElevenLabs offers professional voice cloning for custom branded voices. Azure Custom Neural Voice creates enterprise-grade custom voices. These require audio samples and training time but result in unique voices for your brand.
Get your API key and start generating natural speech.
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