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Locate and visualize sounds in real time with 3D gyro AR and acoustic heatmaps.
Turn your phone into an advanced acoustic camera, real-time sound locator, and audio spectrum visualizer with SoundLens AR. Combining digital signal processing, microphone acoustic analysis, device rotation tracking, and augmented reality camera technology, SoundLens AR reveals the invisible world of acoustic waves directly on your screen. Whether an automotive technician diagnosing car rattles, an audiophile optimizing home theater acoustics, an audio engineer tuning studio monitors, or a homeowner locating noise leaks, SoundLens AR provides intuitive, military-grade acoustic imaging in your hand. KEY CAPABILITIES & FEATURES 1. 3D Spatial Audio Gyro Tracking & Sound Source Radar SoundLens AR automatically starts in Sound Source Radar mode, tracking acoustic pressure in 3D world space using device rotation sensors: - Real-Time Gyro Tracking: As you rotate, tilt, or pan your device, the spatial sound target stays locked to coordinates in physical space. - Off-Screen Directional Guidance Arrows: When a sound originates outside your camera viewfinder or behind you, luminous perimeter arrows guide your aim with live angular degree offsets. - Automatic Reticle Lock-On: When aligned within 10 degrees of the acoustic source, targeting brackets snap into focus with a LOCK ON indicator, displaying dominant frequency and decibel readings. 2. Real-Time Acoustic Heatmap Overlay See sound energy mapped onto physical objects through your camera. SoundLens AR translates incoming acoustic pressure and frequency data into a dynamic thermal color spectrum: - Deep Blue and Cyan: Ambient silence and low-energy background soundscapes. - Bright Green and Yellow: Moderate acoustic levels, human speech, and everyday audio. - Vivid Magenta and Laser Red: High-pressure sound peaks, noise pollution, and acoustic anomalies. 3. Live FFT Frequency Spectrum Analyzer Analyze frequency distributions across the full audible human spectrum from 20 Hz to 20,000 Hz: - Low Frequencies (20 Hz - 250 Hz): Bass thumps, HVAC rumble, engine hums, and vibration. - Mid Frequencies (250 Hz - 4,000 Hz): Human voices, musical fundamentals, and alarms. - High Frequencies (4,000 Hz - 20,000 Hz): Whistles, metallic friction, hiss, squeaks, and air leaks. Identify dominant fundamental frequencies and musical pitches with millihertz precision. 4. Calibrated Decibel Sound Level Meter (dB SPL) Measure acoustic pressure with an integrated decibel meter. Monitor real-time, peak, and average decibel levels with adjustable microphone sensitivity to suit quiet studios or loud environments. 5. High-Resolution Acoustic Diagnostic Snapshot & Sharing Capture diagnostic photos with full AR acoustic overlays, decibel levels, and frequency data stamped into the image. Save proof to gallery or share diagnostic reports instantly via standard image sharing. PRACTICAL APPLICATIONS - Automotive Diagnostics: Pinpoint dashboard rattles, wheel bearing hums, brake squeals, exhaust leaks, and engine belt noise without costly tools. - Acoustic Engineering & Studio Setup: Detect reflections, standing waves, flutter echoes, and room resonance nodes to tune speaker placement. - Home Noise Leak Hunting: Locate nocturnal hums, refrigerator buzz, vibrating pipes, wall noises, HVAC whistling, and traffic intrusion. - Musical Instrument Resonance: Observe how brass, woodwinds, strings, and percussion project acoustic sound waves. - Educational Physics: Demonstrate wave physics, interference patterns, and spectral dispersion. TECHNICAL HIGHLIGHTS - Low-latency AudioRecord engine operating at 44.1 kHz / 48 kHz. - Zero-allocation rendering pipeline using Jetpack Compose Canvas and edge-to-edge Material 3. - CameraX hardware abstraction for ultra-smooth video preview and crisp photo capture. - 100% on-device local signal processing. Your audio is analyzed locally and never uploaded. Discover what you have been hearing but could never see. Experience the future of sound visualization with SoundLens AR.