Privacy Policy

1. Introduction

Letron Music Inc. (樂易創股份有限公司) ("Letron", "we", "us", "our") is committed to protecting your privacy. This Privacy Policy explains what information we collect, how we use it, and your rights regarding your data when you use Letron DAW and its associated services ("the Service").

By using the Service, you agree to the collection and use of information in accordance with this Privacy Policy.

2. Information We Collect

2.1 Account Information

• Name, email address, and password upon registration
• Profile information you choose to provide

2.2 Usage and Creative Data

• Features accessed and tools used within the Service
• AI generation requests, Replace module interactions, and Ledger records (Provenance data)
• Skill system settings and creative preferences
• Session duration and interaction logs

2.3 Payment Information

• Payment is processed by Paddle (paddle.com), our Merchant of Record. We do not store your credit card number, bank account details, or other payment credentials.
• We retain records of transaction amounts, dates, and subscription status.

2.4 Technical Information

• IP address, browser type, and operating system
• Device identifiers
• Cookies and similar tracking technologies

2.5 Communications

• Messages you send to our support team
• Responses to surveys or feedback forms

3. How We Use Your Information

We use the information we collect to:

• Provide, operate, and improve the Service
• Process payments and manage your subscription via Paddle
• Calculate and administer royalty obligations under our Terms of Service
• Personalize your experience and AI generation results via the Skill system
• Analyze anonymized usage patterns to improve our AI models
• Send you service-related notifications (account updates, billing, policy changes)
• Respond to support requests
• Comply with legal obligations

We will not use your personal information for purposes beyond those listed without your explicit consent.

4. AI Model Training

• We may use anonymized and aggregated creative behavior data (such as Skill usage patterns and Replace module interaction data) to improve Letron's AI models.
• We use content created and generated within the Service, including musical structures, AI interaction patterns, and generated outputs, to continuously improve our AI systems. Content used for this purpose is processed in aggregated or transformed form and is not individually attributed.
• Audio files you upload from external sources are excluded from training use without your separate consent.

5. Third-Party Services

We use the following third-party services that may process your data:

We do not sell, rent, or trade your personal information to any third party for marketing purposes.

6. Sharing Your Information

We do not share your personal information except:

• With your consent
• For legal compliance — when required by law, court order, or government authority
• To protect rights — when necessary to protect the safety of Letron, users, or the public
• Service providers — with trusted vendors acting on our behalf under data processing agreements
• Business transfers — in connection with a merger or acquisition, with prior notice

7. Cookies

We use cookies to maintain your login session, remember preferences, and analyze usage. You may disable cookies in your browser settings, though this may limit Service functionality. We do not use cookies to track you across third-party websites.

8. Data Retention

• Personal information is retained while your account is active or as needed to provide the Service.
• Royalty-related records (Ledger data, transaction records) are retained for a minimum of 7 years for accounting and legal compliance.
• Upon account deletion, personal information is deleted or anonymized within 90 days, except where retention is required by law.

9. Your Rights

Depending on your location, you may have the right to access, correct, delete, or port your personal data, and to object to or withdraw consent for certain uses. To exercise these rights, contact us at info@letronmusic.com. We will respond within 30 days.

10. Data Security

We implement industry-standard security measures including encryption in transit (TLS/HTTPS), encryption at rest, and access controls. All personnel with access to personal data are subject to confidentiality obligations.

11. International Data Transfers

Your data may be stored and processed in servers located outside your country of residence. We ensure appropriate safeguards are in place for any international data transfers in compliance with applicable law.

12. Children's Privacy

The Service is not specifically directed to individuals under the age of 18. If a minor uses the Service, we assume that they have obtained the consent of a parent or legal guardian prior to use. The parent or guardian is responsible for supervising the minor's use of the Service and for any obligations arising from it. If you believe a minor is using the Service without appropriate consent, please contact us at info@letronmusic.com.

13. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of significant changes via email or in-app notice at least 14 days before the change takes effect.

14. Contact

For privacy-related inquiries: info@letronmusic.com