Last Updated:
1. Introduction
Soundu Language Learning Platform ("we", "our", or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, store, and protect your personal information when you use our platform.
2. Information We Collect
2.1 Learning Data (With Your Consent)
When you consent to data collection, we collect:
- Course and lesson access records
- Learning progress and completion status
- Time spent on lessons
- Audio playback interactions
- Dictation practice attempts and results
- Vocabulary review activities
2.2 Account Information
- Email address (for authentication)
- Username (optional)
- Course membership information
2.3 Technical Information
- Browser type and version
- Device information
- IP address (anonymized)
3. How We Use Your Information
We use collected data solely for:
- Educational purposes: To help teachers understand student learning patterns and improve course content
- Progress tracking: To track your learning progress and provide personalized learning experiences
- Platform improvement: To improve our platform's functionality and user experience
We do NOT: Sell your data, use it for advertising, or share it with third parties for commercial purposes.
4. Data Protection
4.1 Anonymization
User IDs are anonymized using cryptographic hashing before being stored in analytics records. This means your personal identity cannot be directly linked to analytics data.
4.2 Data Security
- Data is stored securely using Firebase (Google Cloud Platform)
- Access is restricted to course authors and authorized personnel only
- All data transmission is encrypted using HTTPS
4.3 Data Minimization
We only collect data that is necessary for educational purposes. We do not collect sensitive personal information such as location data, biometric data, or financial information.
5. Your Rights
You have the following rights regarding your personal data:
- Right to Access: You can view your learning data and statistics
- Right to Export: You can export your data in a machine-readable format (CSV/JSON)
- Right to Delete: You can request deletion of your personal data
- Right to Withdraw Consent: You can withdraw your consent to data collection at any time
- Right to Object: You can object to certain types of data processing
To exercise these rights, please visit the Privacy Settings page or contact us.
6. Data Retention
We retain your data for as long as necessary to provide educational services. Analytics data is retained for 1 year and then automatically deleted. You can request immediate deletion at any time.
7. Children's Privacy (COPPA Compliance)
If you are under 13 years old, we require parental consent before collecting any data. Parents can review, modify, or delete their child's data at any time.
If you are a parent and believe we have collected data from your child without consent, please contact us immediately.
8. International Data Transfers
Our data is stored on Google Cloud Platform servers. Data may be transferred to and stored in countries outside your country of residence. We ensure appropriate safeguards are in place to protect your data.
9. Changes to This Policy
We may update this Privacy Policy from time to time. We will notify you of any significant changes by posting the new policy on this page and updating the "Last Updated" date.
10. Contact Us
If you have any questions about this Privacy Policy or wish to exercise your rights, please contact us through the platform or email us at: yangbin@hawaii.edu