ElevenLabs Text-to-Speech Block

Blog Article → Extract Text → ElevenLabs TTS → Add Background Music → Publish Podcast

Course Content → Generate Audio → Create Audio Lessons → Students Listen While Learning

Website Content → User Clicks "Listen" → ElevenLabs TTS → Audio Playback for Visually Impaired

Customer Query → Generate Response Text → ElevenLabs TTS → Play Audio Response

API_Key = "your-elevenlabs-api-key"
Voice_ID = "21m00Tcm4TlvDq8ikWAM" // Rachel voice
Model = "eleven_monolingual_v1"
Text = "{{text_to_convert}}"

{
  "stability": 0.5,        // 0-1, higher = more stable
  "similarity_boost": 0.5, // 0-1, higher = more similar to original
  "style": 0.0,           // 0-1, style exaggeration
  "use_speaker_boost": true // Enhance speaker characteristics
}

{
  "output_format": "mp3_44100_128", // Audio quality
  "optimize_streaming_latency": 0,   // 0-4, for real-time use
  "apply_text_normalization": "auto" // Handle numbers, dates, etc.
}

Text = "Welcome to our podcast! Today we'll be discussing the future of artificial intelligence and its impact on everyday life."
 
Voice_ID = "21m00Tcm4TlvDq8ikWAM" // Rachel
Model = "eleven_monolingual_v1"
 
// Output: High-quality MP3 audio file

Text = "Hello {{customer_name}}, your order number {{order_id}} has been processed and will be shipped within {{shipping_days}} business days."
 
// Creates personalized audio messages

Text = `Welcome to today's lesson on renewable energy.
 
In this session, we'll explore three main types of renewable energy sources: solar, wind, and hydroelectric power.
 
First, let's discuss solar energy and how photovoltaic cells convert sunlight into electricity.`
 
// Handles long-form content with natural pauses

// Professional announcement
Voice_ID = "Drew" // Professional male voice
Text = "Attention all employees: The quarterly meeting will begin in the main conference room at 2 PM."
 
// Friendly welcome message
Voice_ID = "Rachel" // Warm female voice  
Text = "Hi there! Welcome to our app. Let me show you around and help you get started."
 
// Energetic promotion
Voice_ID = "Clyde" // Energetic male voice
Text = "Don't miss our amazing summer sale! Get up to 50% off on all products this week only!"

// For storytelling (more expressive)
Voice_Settings = {
  "stability": 0.3,        // Less stable = more expressive
  "similarity_boost": 0.7, // Keep voice characteristics
  "style": 0.4            // Add some style variation
}
 
// For professional content (more consistent)
Voice_Settings = {
  "stability": 0.8,        // Very stable
  "similarity_boost": 0.5, // Balanced
  "style": 0.1            // Minimal style variation
}

// English content
Text_EN = "Hello, welcome to our international conference."
Voice_ID = "Rachel"
Model = "eleven_multilingual_v2"
 
// Spanish content  
Text_ES = "Hola, bienvenidos a nuestra conferencia internacional."
Voice_ID = "Spanish_Voice_ID"
Model = "eleven_multilingual_v2"
 
// French content
Text_FR = "Bonjour, bienvenue à notre conférence internationale."
Voice_ID = "French_Voice_ID"  
Model = "eleven_multilingual_v2"

// Step 1: Get blog post content
Blog_Content = "{{blog_post_text}}"
 
// Step 2: Create introduction
Intro_Text = "Welcome to Tech Talk Daily. I'm your host, and today we're discussing {{blog_title}}."
 
// Step 3: Generate intro audio
Intro_Audio = elevenlabs_tts({
  "text": Intro_Text,
  "voice_id": "Drew",
  "model": "eleven_monolingual_v1"
})
 
// Step 4: Generate main content audio
Main_Audio = elevenlabs_tts({
  "text": Blog_Content,
  "voice_id": "Rachel",  
  "model": "eleven_monolingual_v1"
})
 
// Step 5: Create outro
Outro_Text = "That's all for today's episode. Don't forget to subscribe and we'll see you next time!"
 
Outro_Audio = elevenlabs_tts({
  "text": Outro_Text,
  "voice_id": "Drew",
  "model": "eleven_monolingual_v1"
})

// Create course lesson audio
Lesson_Content = `
Chapter 3: Introduction to Machine Learning
 
Machine learning is a subset of artificial intelligence that enables computers to learn and improve from experience without being explicitly programmed.
 
There are three main types of machine learning:
1. Supervised learning
2. Unsupervised learning  
3. Reinforcement learning
 
Let's explore each type in detail.
`
 
Lesson_Audio = elevenlabs_tts({
  "text": Lesson_Content,
  "voice_id": "Bella", // Clear, educational voice
  "model": "eleven_monolingual_v1",
  "voice_settings": {
    "stability": 0.7,
    "similarity_boost": 0.6,
    "style": 0.2
  }
})

// Generate personalized customer messages
Customer_Message = `Hello {{customer_name}}, 
 
This is a friendly reminder that your {{service_type}} subscription will expire on {{expiry_date}}. 
 
To continue enjoying uninterrupted service, please renew your subscription by visiting our website or calling our support team.
 
Thank you for being a valued customer!`
 
Customer_Audio = elevenlabs_tts({
  "text": Customer_Message,
  "voice_id": "Rachel",
  "model": "eleven_monolingual_v1"
})
 
// Save audio for phone system or email attachment

// Create promotional audio content
Promo_Text = `
🎉 Special Announcement! 🎉
 
For the next 48 hours only, we're offering an exclusive 40% discount on all premium features!
 
Use code SAVE40 at checkout and transform your business with our powerful tools.
 
But hurry - this incredible offer expires at midnight on {{expiry_date}}.
 
Don't miss out on this amazing opportunity!
`
 
Promo_Audio = elevenlabs_tts({
  "text": Promo_Text,
  "voice_id": "Clyde", // Energetic voice for promotions
  "model": "eleven_monolingual_v1",
  "voice_settings": {
    "stability": 0.5,
    "similarity_boost": 0.6,
    "style": 0.3 // More expressive for marketing
  }
})

// Newsletter to podcast conversion
Newsletter_Text = "{{newsletter_content}}"
 
Podcast_Audio = elevenlabs_tts({
  "text": `Welcome to our weekly newsletter podcast. Here are this week's highlights: ${Newsletter_Text}`,
  "voice_id": "Drew",
  "model": "eleven_monolingual_v1"
})

// Screen reader functionality
Screen_Content = "{{current_screen_text}}"
 
Accessibility_Audio = elevenlabs_tts({
  "text": Screen_Content,
  "voice_id": "Bella", // Clear, articulate voice
  "model": "eleven_monolingual_v1",
  "voice_settings": {
    "stability": 0.8, // Very stable for accessibility
    "similarity_boost": 0.5
  }
})

// Game character dialogue
Character_Dialogue = "{{character_speech}}"
 
Game_Audio = elevenlabs_tts({
  "text": Character_Dialogue,
  "voice_id": "{{character_voice_id}}",
  "model": "eleven_monolingual_v1",
  "voice_settings": {
    "stability": 0.4, // More expressive for characters
    "similarity_boost": 0.7,
    "style": 0.5 // Add character personality
  }
})

// Emergency notification
Alert_Text = "Attention: This is an important system maintenance notification. All services will be temporarily unavailable from {{start_time}} to {{end_time}} today."
 
Alert_Audio = elevenlabs_tts({
  "text": Alert_Text,
  "voice_id": "Drew", // Professional, clear voice
  "model": "eleven_monolingual_v1",
  "voice_settings": {
    "stability": 0.9, // Very stable for important messages
    "similarity_boost": 0.5
  }
})

// Clone a custom voice (requires voice samples)
Custom_Voice_ID = "cloned_voice_{{voice_name}}"
 
Custom_Audio = elevenlabs_tts({
  "text": "{{custom_text}}",
  "voice_id": Custom_Voice_ID,
  "model": "eleven_monolingual_v1"
})

// For real-time applications
Streaming_Settings = {
  "optimize_streaming_latency": 2, // Balance quality and speed
  "output_format": "mp3_22050_32"  // Lower quality for streaming
}

// Track usage for optimization
Usage_Data = {
  "characters_used": "{{character_count}}",
  "voice_id": "{{selected_voice}}",
  "generation_time": "{{processing_time}}",
  "audio_duration": "{{audio_length}}"
}