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Text-to-Speech and Voice Features on Nehiju Learn

Everything you need to know about text-to-speech, speech-to-text, and voice interaction on Nehiju Learn.

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Voice Features on Nehiju Learn
Nehiju Learn offers multiple voice features that make learning more accessible and flexible.

Text-to-Speech (TTS)

TTS converts written text into spoken audio. On Nehiju Learn, TTS is available for:
  • Lesson content — Click the speaker icon on any lesson to listen

  • Quiz questions — Have questions read aloud during quizzes

  • AI tutor responses — Listen to Mwalimu explanations

  • Notes — Audio version of your saved notes
    • The TTS voice is AI-generated and sounds natural, not robotic. It uses proper intonation and pacing for educational content.

    Speech-to-Text (STT)

    STT converts your spoken words into text. Use it for:
  • Quiz answers — Speak short answers instead of typing

  • AI tutor questions — Ask Mwalimu questions by speaking

  • Notes — Dictate notes instead of typing
    • STT works through your device microphone. Click the microphone icon in any text field to start.

    Voice Interaction with Mwalimu AI

    Mwalimu AI supports full voice interaction:
  • Speak your question (STT)

  • AI processes and responds

  • Listen to the answer (TTS)

  • Ask follow-up questions by voice
    • This creates a conversational learning experience that is especially helpful for:
  • Auditory learners

  • Students with reading difficulties

  • Students studying while doing other activities

  • Students who express themselves better orally than in writing

    • Using Voice Features Effectively

  • Find a quiet space — Background noise affects STT accuracy

  • Speak clearly — Normal speaking pace is fine, just be clear

  • Use headphones — For TTS in public spaces

  • Combine with text — Read along while listening for dual reinforcement

    • Technical Requirements

    Voice features require:
  • A device with a microphone (for STT)

  • A device with speakers or headphones (for TTS)

  • A modern browser (Chrome, Safari, Firefox, Edge)

  • Internet connection
    • No special software installation needed — everything works in the browser.

    Ready to put this into practice?

    Accessibility Tools

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    Frequently Asked Questions

    Which languages does TTS support?

    TTS supports both English and Swahili. The platform automatically detects the language of the content and reads it in the appropriate voice.

    Can I use voice features offline?

    TTS and STT require an internet connection as they use AI processing. However, downloaded notes can be read in the browser built-in reader while offline.

    Does STT work with Kenyan English accents?

    Yes. The STT engine is trained on diverse English accents including East African English. Speak naturally and clearly for best results.

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