Everything you need to know about Ride Qual metrics, data, and how we analyze your drive.
Measures the ambient noise level inside the cabin in decibels (dB). We compare your car's noise levels against industry "Luxury Class" benchmarks for different speed ranges: Idle (40 dB), City (55 dB), Highway (62 dB), and Fast (68 dB).
This score reflects how efficiently your vehicle's suspension filters out road imperfections. It is calculated by comparing the estimated road roughness (using SmartRoadSense methodology) to the vibration actually felt in the cabin (RMS acceleration).
Based on the Vibration Dose Value (VDV), this metric measures how severe vertical impacts (potholes, joints, speed bumps) are transmitted to passengers. High scores indicate a smoother absorption of these events.
Calculated using the Motion Sickness Dose Value (MSDV) algorithm, this identifies low-frequency oscillations (0.1 - 0.5 Hz) that are known to trigger motion sickness. A 'Low' risk indicates a stable, comfortable ride.
An international standard for measuring road pavement quality. Ride Qual estimates IRI to categorize road segments as Excellent, Good, Fair, Mediocre, or Poor based on US Federal Highway Administration (FHWA) standards.
These are fundamental suspension characteristics. Ride Frequency (Hz) determines if a car feels "Luxury/Soft" (0.8 - 1.2 Hz) or "Sporty/Firm" (1.8 - 2.5 Hz). Damping Ratio measures how quickly the suspension stops bouncing after an impact.
Modern smartphones contain high-precision accelerometers and microphones capable of sampling data hundreds of times per second. While professional rigs are more specialized, Ride Qual uses advanced signal processing (like ISO 2631 weighting and LPC analysis) to extract professional-grade insights from the hardware you already own.
For the most accurate results, the phone should be rigidly mounted or placed in a stable location (like a cup holder or center console). Ensure that the phone is flat and doesn't vibrate by itself. If the phone is on a mount, Ride Qual automatically detects and compensates for "mount rattling" to ensure the analysis reflects the car's dynamics, not the mount's, but it will affect the accuracy.
We prioritize your privacy. Sensor and audio data are uploaded for analysis to generate your reports. You have full control over your recordings and can delete them at any time. For more details, please review our Privacy Policy.