Multimodal Voice AI
Voice Tool Suite Documentation
Comprehensive platform for text-to-speech and speech-to-text conversion with multilingual support and advanced AI engines
Text-to-Speech (TTS)
🎙️ Synthesis Engines
Google WaveNet
OpenAI
ElevenLabs
🌍 Language Support
220+ voices
40+ languages
Regional accents
⚙️ Personalization
- Adjustable speaking rate (x-slow to x-fast)
- Controllable pauses (<break>)
- Pronunciation modulation with SSML
- Real-time preview
Speech-to-Text (STT)
🔉 Supported Formats
MP3/WAV
MP4/WebM
M4A/MPEG
📈 Technical Specifications
Max size:
25 MBDuration:
Up to 4 hours🧠 Advanced Processing
- Automatic language detection
- Smart punctuation
- Speaker identification
- Content filtering
1
Text-to-Speech Workflow
Basic Configuration
- Language selection (🇺🇸 en-US, 🇪🇸 es-ES, etc.)
- Voice selection (Alloy, Echo, PalomaNeural)
- Rate adjustment (0.8x – 1.5x)
Advanced Customization
SSML Tags:
<prosody rate="fast">Text</prosody>
Pauses:
<break time="500ms"/>
2
Speech-to-Text Workflow
Audio Processing
- File upload (drag & drop)
- Asynchronous conversion
- Transcription formatting
Data Output
Formatted text
Copied to clipboard
API integration
🔧 Technical Specifications
System Architecture
- WaveNet/Neural2 neural models
- REST & gRPC API
- Low-latency streaming
Audio Formats
MP3
WAV
OGG
FLAC
AAC
Security
AES-256 encryption
Configurable data residency
Usage Limits
TTS per request:
5,000 characters
STT per file:
25 MB
⚡ API Integration
TTS Endpoints
POST /api/v1/tts/generate
{
"text": "Text to convert",
"voice": "es-US-PalomaNeural",
"speed": 1.2
}
STT Endpoints
POST /api/v1/stt/transcribe
{
"audio_url": "https://ejemplo.com/audio.mp3",
"language": "es-ES"
}