Terms of Service
Last Updated: January 2025
📋 Service Introduction and Terms Acceptance
Welcome to our free online decibel meter tool. By accessing or using this tool, you agree to comply with these Terms of Service. If you do not agree with any terms, please stop using this service.
🎯 Service Content
Services We Provide
- Real-time Noise Measurement: Decibel measurement functionality based on Web Audio API
- Educational Content: Noise health knowledge and usage guidance
- Free Usage: Completely free service with no registration or payment required
- Cross-platform Support: Compatible with all modern browsers and devices
Service Features
- ✅ Completely Free: No fees or hidden charges
- ✅ No Registration Required: Direct use without creating an account
- ✅ Local Processing: All data processed on your device
- ✅ Instant Access: Ready to use immediately without installation
📱 Device Permissions and Usage Requirements
🎤 Microphone Permission
- Necessity: This tool requires access to your microphone for noise measurement
- Usage Limitation: Only used for real-time decibel measurement, no recording or storing audio
- Permission Control: You can revoke microphone permission in your browser at any time
- Transparent Processing: All audio processing occurs locally
🔧 Technical Requirements
- Modern Browsers: Chrome 66+, Firefox 60+, Safari 11+, Edge 79+
- HTTPS Connection: Required for secure connection due to browser security policies
- Microphone Device: Requires an available audio input device
⚖️ Measurement Accuracy and Disclaimers
📊 Measurement Accuracy Description
- Consumer-grade Accuracy: This tool provides consumer-device measurement accuracy (±5 dB)
- Reference Purpose: Measurement results are for reference only, not for professional or legal use
- Device Variations: Different device microphone performance may affect measurement accuracy
- Calibration Limitations: Cannot provide professional sound level meter calibration accuracy
🏥 Health Advisory Disclaimer
- Not a Medical Device: This tool is not a medical device and cannot replace professional medical advice
- Health Information: Provided health information is for educational reference only
- Professional Consultation: For hearing health issues, please consult professional medical personnel
- Use at Your Own Risk: Users bear the risk of using the tool
🚫 Prohibited Activities
When using this tool, you agree not to engage in the following activities:
Technical Abuse
- Reverse Engineering: Attempting to crack, decompile, or reverse engineer this tool
- Automated Access: Using robots, scripts, or other automated means for bulk access
- Service Interference: Intentionally interfering with or disrupting normal service operation
- Malicious Use: Using the tool for malware distribution or cyber attacks
Content Abuse
- False Information: Spreading false or misleading information related to noise measurement
- Commercial Misuse: Unauthorized commercial use or resale of this tool
- Infringement: Violating others' intellectual property or privacy rights
🏛️ Intellectual Property
- Copyright Protection: The tool's source code, design, and content are protected by copyright law
- Trademark Rights: Related trademarks and logos are owned by us
- Licensed Use: We grant you a limited, non-exclusive license to use
User Rights
- Personal Use: You may use it freely for personal, educational, and non-commercial purposes
- Sharing Rights: You may share tool links but not copy or redistribute
- Feedback Contribution: Your feedback and suggestions may be used to improve the service
🔒 Privacy and Data Processing
Data Processing Principles
Please refer to our Privacy Policy for detailed information. Brief summary:
- Audio Privacy: Audio data is only processed locally, never uploaded
- Minimal Collection: Only collect necessary technical and usage statistics
- User Control: You can control data collection and processing preferences
⚠️ Service Disclaimers
Service Status
- As-Is Provision: Service is provided on an "as-is" and "available" basis
- No Warranty: We do not warrant the accuracy, reliability, or availability of the service
- Continuity: No guarantee of uninterrupted or error-free service operation
Measurement Results
- Reference Nature: Measurement results are for reference only, not professional advice
- Accuracy Limitations: Limited accuracy affected by device hardware and environmental factors
- Calibration Differences: Measurement differences may exist between different devices
📊 Limitation of Liability
Damage Disclaimer
To the maximum extent permitted by law, we are not liable for the following situations:
- Direct Damages: Direct losses caused by using or inability to use the service
- Indirect Damages: Indirect losses such as data loss, business interruption
- Health Issues: Health problems arising from relying on measurement results
- Device Damage: Device issues that may occur during use
Liability Cap
If law requires us to bear liability, our total liability does not exceed $100 USD.
🔄 Service Changes and Termination
Service Updates
- Feature Improvements: We may update or improve service features at any time
- Notification Obligation: Major changes will be announced through website notifications
- Continued Use: Continued use indicates acceptance of updated terms
Service Termination
- User Termination: You may stop using the service at any time
- Service Provider Termination: We reserve the right to suspend or terminate service
- Violation Handling: Users violating terms may be restricted from access
🌍 Applicable Law
Legal Jurisdiction
- Applicable Law: These terms are governed by international law and the laws of the jurisdiction where the service operates
- Dispute Resolution: Disputes are preferentially resolved through friendly consultation
- Legal Procedures: When necessary, resolved through courts with jurisdiction
If you have any questions about these Terms of Service, please contact us:
📜 Terms Effectiveness
By using this decibel meter tool, you confirm that you have read, understood, and agree to comply with these Terms of Service.
These terms comply with international standards, aimed at protecting user rights while ensuring normal service operation. Thank you for using our free decibel meter tool!