dBFlash City Noise Camera – Acoustic camera for fining noisy vehicles
The first noise camera approved for fining noisy vehicles
dBFlash City automates the monitoring of noise nuisance in urban environments.
Already deployed with public authorities in Belgium, Switzerland, France and the United Kingdom.
A solution designed by MicrodB and delivered hand in hand with our partner Cegelec EDR, covering the full journey from installation and commissioning to ongoing maintenance.
Deployments across Europe
4+
Countries with deployments
France, Belgium, Switzerland, United Kingdom
9+
Operational sites
Urban acoustic monitoring
2026
Approval and regulation in France
Compliant with standards (Noise, GDPR, cybersecurity, etc.) for legal use
Three automated steps, from detection to court-admissible evidence transmitted to the relevant authority.
Like a speed camera, but for noise
Fast installation
Mounted on a lamppost or standalone support, connected to the cellular network. Operational within a few hours.
Acoustic measurement & analysis
Video detection of the vehicle and measurement of its noise via sound level meter, microphone array and AI.
Secure evidence transmission
Audio, photo and licence-plate number (ANPR) securely transferred to the relevant authority for processing.
Our European references
Trials at 3 sites (Paris, Chevreuse, Bron) with the French government. The results fed into the national regulation project expected in 2026.
Project with the Department for Transport (DfT) and Atkins to assess performance in real-world road conditions. Multi-site, aligned with pass-by noise standards.
Trial with Brussels Environment to analyse vehicle noise by category, speed and powertrain type. Public report available.
Deployment with Zurich Police across 3 sites for urban acoustic monitoring. First operational deployment in German-speaking Switzerland.
dBFlash technology is currently being evaluated by accredited metrology laboratories in France, Belgium and Germany.
Key features
Identification of every vehicle in both directions of traffic
Compliant with IEC 61672 — the highest metrological standard
False-alarm-free validation that a noise threshold has been exceeded
Compliant with ISO 362-1:2022 and UN ECE R41, R51
Automatic plate reading in both directions simultaneously
High-speed onboard analysis, encrypted transmission of evidence
5-metre zone, detection from 30 km/h
Whether for statistics or for issuing fines, dBFlash City fits into your local authority’s regulatory and operational framework.
A certified solution, ready to deploy
Every captured event forms complete evidence for issuing fines and enriches a statistical database.
Collection of solid evidence to steer a mobility policy
Time-stamped audio/video recordings
Evidential data for law enforcement
Comprehensive statistical database
dBFlash integrates with urban infrastructure and operational constraints.
Mounts on lamp posts or standalone poles
Compliant with local and international regulations
Long-lasting outdoor performance
User-friendly operator interface
MicrodB and its partner Cegelec EDR support you from commissioning through to maintenance.
Installation and acceptance testing
Calibration and metrological verification
Remote maintenance and monitoring
Secure data storage and transfer
Automated reporting
Noise camera for fining noisy vehicles