AI Speech-to-Text Web App: Summary and Educational Value

In this final guide we summarize our speech-to-text web application, describe its features and show how it creates value in educational environments.

Project Summary

The application:

  1. Runs entirely locally without sending data externally
  2. Records audio via microphone
  3. Uses the Whisper model for real-time transcription
  4. Has a clean and responsive user interface

Functionality

Audio Recording

  • Start and stop with one button
  • Visual feedback during recording

Speech Recognition

  • Support for multiple languages
  • High accuracy even with different accents

User Interface

  • Progress indicators
  • Copy to clipboard and clear functions
  • All processing happens locally

Technical Highlights

  • Flask backend
  • Whisper model
  • Efficient memory management

Educational Uses

  1. Accessibility - captioned lectures and discussions
  2. Note-taking - automatic transcriptions for students
  3. Language learning - pronunciation practice and exercises
  4. Privacy - sensitive conversations stay on the device
  5. Efficiency - documentation of meetings and feedback

Limitations

  • Specialized terminology may require manual correction
  • Multiple simultaneous speakers reduce accuracy
  • Long recordings require more system resources

Future Improvements

  • Speaker identification (diarization)
  • Continuous real-time transcription
  • Export to PDF and Word
  • Integrated translation
  • Custom vocabulary

Conclusion

By combining locally running AI with a user-friendly interface, the application offers a powerful and privacy-secure tool for education.