Integrate Web Speech API for Pronunciation Practice

[dbsectrainer]

Description

Add pronunciation practice capabilities using the Web Speech API to provide speech recognition feedback for language learners.

Features to Implement

• Speech Recognition: Use Web Speech API to capture user pronunciation
• Pronunciation Feedback: Compare user speech with expected pronunciation
• Practice Mode: Dedicated pronunciation exercises for words and phrases
• Progress Tracking: Store pronunciation accuracy scores

Technical Requirements

• Integrate Web Speech API (browser support varies)
• Graceful fallback for unsupported browsers
• Store pronunciation progress in localStorage
• Works offline (no external API dependencies)
• Privacy-focused (no audio data sent to servers)

Browser Compatibility

• Chrome/Chromium: Full support
• Firefox: Limited support
• Safari: Partial support
• Provide clear messaging for unsupported browsers

Acceptance Criteria

• Web Speech API integration implemented
• Pronunciation exercise component created
• Audio capture and analysis functionality
• Pronunciation accuracy scoring
• Progress tracking in localStorage
• Graceful degradation for unsupported browsers
• User permissions handling for microphone access
• Visual feedback during speech recognition

Priority

Medium - Nice-to-have feature that differentiates from basic language apps