Speaker Test – Moisture & Dust

Speaker Test is a professional acoustic detection tool designed to help you test and analyze your device's speaker performance using advanced sound wave technology.

KEY FEATURES:

* Frequency Sweep Detection
Play audio sweeping from low to mid frequencies to comprehensively test speaker performance across different frequency ranges. Identify distortion, rattling, or abnormal response patterns.

* High Amplitude Sound Wave Mode
Generate high sound pressure level audio to observe speaker diaphragm response under stress conditions. Test your speaker's handling of intense audio signals.

* Sound Calibration Tone
Use fixed frequency calibration tones at various volume levels to check for distortion, abnormalities, or performance degradation. Perfect for quality assurance testing.

* Left/Right Channel Detection
Test stereo speaker separation and channel balance by alternating playback between left and right channels. Ensure proper stereo imaging and spatial audio performance.

* Acoustic Noise Tools
Generate white noise, pink noise, and brown noise patterns to test speaker performance with different noise characteristics. Each noise type targets different frequency ranges for comprehensive testing.

* Speaker Health Status Tracking
Monitor your speaker's performance over time with automatic health status evaluation. Get insights into performance trends and potential issues before they become serious.

* Professional Testing Methodology
Our app uses scientifically-designed acoustic testing patterns based on professional audio engineering principles. All tests are non-invasive and use standard audio playback methods.

IMPORTANT NOTES:

- This application is an acoustic detection tool based on sound wave playback technology
- It helps detect speaker sound performance issues in various conditions
- This app does NOT provide hardware repair, water drainage, or dust removal services
- For severe water damage or obvious sound issues, please contact official device support
- Results are for reference only and should not replace professional hardware diagnostics

PERFECT FOR:

- Audio enthusiasts who want to monitor speaker quality
- Users checking device condition before/after purchase
- Anyone experiencing potential speaker issues
- Quality assurance and testing purposes
- Comparing audio performance across devices

TECHNICAL SPECIFICATIONS:

- Frequency range: 20Hz - 2000Hz sweep capability
- Multiple test durations (8-20 seconds)
- Volume control integration
- Real-time visual feedback with waveform animations
- Support for both speakers and headphones
- Multi-language support (English, Chinese)

PRIVACY AND PERMISSIONS:

Clear Dust respects your privacy. The app only requires audio playback permissions for testing. No microphone recording, no data collection, no tracking. All testing happens locally on your device.