Advanced React-based frontend for speech-to-speech and text-to-speech translation with comprehensive regional language support.

Main application component featuring:

• Dual Mode Interface: Toggle between text and speech modes
• Advanced Speech Recognition: Real-time speech-to-text with interim results
• Voice Selection: Multiple voice options for each language
• Auto-Translation: Automatic translation after speech input
• Regional Language Support: Native script rendering and pronunciation
• Error Handling: Comprehensive error management for speech APIs

Speech recognition component with:

• Web Speech API Integration: Cross-browser speech recognition
• Language-Specific Recognition: Optimized for each supported language
• Real-time Feedback: Visual indicators for listening state
• Error Handling: Detailed error messages for different failure modes
• Accessibility: Keyboard navigation and screen reader support

Voice selection component featuring:

• System Voice Detection: Automatic discovery of available voices
• API Voice Integration: Additional voices from translation service
• Language Filtering: Shows only relevant voices for selected language
• Voice Quality Indicators: Premium, neural, and standard voice types
• Accent Support: Multiple accents for major languages

Enhanced language selector with:

• Regional Grouping: Languages organized by geographic region
• Native Script Display: Shows language names in native scripts
• Speech Capability Indicators: Visual indicators for speech support
• Accessibility Features: Proper labeling and keyboard navigation

• Real-time Recognition: Live speech recognition with interim results
• Auto-Translation: Automatic translation after speech completion
• Native Pronunciation: High-quality text-to-speech with regional accents
• Voice Customization: Multiple voice options for input and output languages

• Indian Languages: Full support for Telugu (తెలుగు), Marathi (मराठी), Tamil (தமிழ்), Hindi (हिन्दी), Bengali (বাংলা), Gujarati (ગુજરાતી), Kannada (ಕನ್ನಡ), Malayalam (മലയാളം), Punjabi (ਪੰਜਾਬੀ), Urdu (اردو)
• Native Scripts: Proper rendering of Devanagari, Telugu, Tamil, Bengali, Arabic, and other scripts
• Regional Accents: Authentic pronunciation for regional languages
• Cultural Context: Language-appropriate voice selection

• Screen Reader Support: Full ARIA labeling and semantic HTML
• Keyboard Navigation: Complete keyboard accessibility
• High Contrast Support: Optimized for high contrast displays
• Reduced Motion: Respects user motion preferences
• Voice Feedback: Audio confirmation of actions and states

• Responsive Design: Optimized for mobile and desktop
• Progressive Enhancement: Graceful degradation for unsupported features
• Real-time Feedback: Visual and audio feedback for all interactions
• Error Recovery: Clear error messages with recovery suggestions
• Performance Optimization: Efficient speech processing and rendering

• Chrome/Edge: Full support for all features
• Firefox: Limited speech recognition support
• Safari: Basic speech recognition on iOS/macOS
• Mobile Browsers: Variable support, best on Chrome mobile

• All Modern Browsers: Universal support for basic TTS
• System Voices: Automatic detection of installed voices
• Regional Voices: Best support on Chrome and Edge

• Web Speech API: Primary speech recognition interface
• SpeechSynthesis API: Text-to-speech functionality
• Voice Management: Dynamic voice loading and selection
• Error Handling: Comprehensive error management for speech failures

• Lazy Loading: Components loaded on demand
• Voice Caching: Efficient voice discovery and caching
• Debounced Recognition: Optimized speech recognition processing
• Memory Management: Proper cleanup of speech resources

• Microphone Permissions: Proper permission handling
• Local Processing: Speech recognition processed locally when possible
• No Audio Storage: Audio data not stored or transmitted
• Privacy Indicators: Clear indication when microphone is active