Hear the threat first.
Keep the team informed.
A mobile security platform installed on a protection vehicle. Five synchronized acoustic sensing nodes detect and classify drone-like threats, estimate their bearing, cue short-range radar and PTZ or EO/IR systems, manage multiple targets and deliver actionable alerts to the vehicle crew and command center.
Protection must move with the principal
Fixed-site systems protect a location. AeroSentra Acoustic Mobile protects a moving security formation. The system is designed for executive protection vehicles, official convoys, arrival and departure zones, temporary secure areas and mobile command operations. It continues detecting, prioritizing and recording events while the vehicle is stationary or in motion.
An acoustic detector supported by verification sensors
The acoustic subsystem is the primary detector. Radar and optical systems receive its cue, verify the candidate, improve range and trajectory information and maintain visual tracking. The operator receives one fused target picture instead of separate sensor alarms.
Five acoustic sensing nodes
Distributed microphone-array nodes provide 360-degree coverage, synchronized sampling, bearing estimation and resilience if one node becomes unavailable.
Acoustic classification
Time-frequency processing separates drone-like rotor signatures from vehicle, road, wind and other environmental noise, then assigns confidence and quality values.
Short-range radar verification
Radar examines the acoustically indicated sector and contributes range, radial speed, trajectory and time-to-arrival data to the fused track.
PTZ or EO/IR cueing
One or two stabilized optical units automatically turn toward the acoustic bearing, scan the uncertainty sector, confirm the target and maintain day or night tracking.
Multi-sensor correlation
Time, bearing, range, motion and optical observations are associated with one persistent target ID and one combined confidence score.
GNSS and IMU reference
Vehicle position, heading, speed and attitude convert acoustic bearings into a stable geographic frame while compensating for turns, vibration and road movement.
One clear operating principle
Acoustic detection opens the threat event
The system creates a threat candidate only after the acoustic engine detects a relevant signature and produces a valid bearing, confidence and signal-quality result.
- Acoustic timestamp becomes the event reference
- Acoustic bearing defines the first search sector
- Repeated detections maintain track continuity
- Every event preserves the original acoustic evidence
Radar and optics verify, refine and follow
Supporting sensors do not create an independent system alarm. They receive an acoustic cue and enrich the existing target with additional operational information.
- Radar adds range, speed and trajectory
- PTZ or EO/IR adds visual confirmation
- Fusion increases or reduces target confidence
- Tracking continues through temporary sensor loss
From acoustic signature to operational alert
The detection chain is automatic, traceable and designed to minimize operator workload during a moving protection mission.
Listen
Five synchronized nodes continuously capture the acoustic environment around the vehicle.
Detect
The engine identifies a relevant signature across time, frequency and several nodes.
Locate
Time-delay processing estimates bearing and converts it to vehicle and geographic coordinates.
Verify
Radar and PTZ or EO/IR are directed to the candidate sector and return supporting evidence.
Prioritize
Fusion evaluates confidence, closing speed, direction and proximity to the protected formation.
Alert
The crew and control room receive one track, live status, evidence and recommended attention level.
Every alert carries the operational payload
The alert payload contains the acoustic source information, vehicle reference, supporting radar and optical verification, target priority, evidence files and system health. This enables rapid review in the vehicle and complete event handling in the control room.
{
"event_id": "EVT-ACM-000184",
"track_id": "TRK-A042",
"event_origin": "acoustic",
"classification": "drone_like_signature",
"severity": "high",
"acoustic": {
"confidence": 0.91,
"bearing_true_deg": 42.0,
"active_nodes": 5,
"signal_quality": "good"
},
"radar_verification": {
"status": "correlated",
"range_m": 640,
"radial_speed_mps": -18.4
},
"optical_verification": {
"sensor_id": "EOIR-02",
"status": "tracking",
"live_stream": "vms://EOIR-02"
},
"vehicle": {
"speed_kph": 46,
"heading_deg": 318.2
},
"status": "active"
}
Manage several acoustic threats at the same time
Every valid signature receives a persistent track ID. The target manager separates bearings, correlates repeated observations and allocates radar and optical resources according to threat priority.
- PRIORITY 1Closing acoustic targetHighest combined confidence and shortest predicted arrival time receives the first EO/IR unit.
- PRIORITY 2Second independent bearingThe second optical unit is assigned while radar maintains range and motion data.
- QUEUEAdditional active tracksAcoustic history and radar updates continue even when no optical unit is immediately available.
- REASSIGNDynamic sensor allocationResources move automatically when severity, direction or proximity changes.
Designed for installation on a security vehicle
The vehicle kit is modular so the installation can match the platform, roof space, mission profile and existing command-and-control environment.
Acoustic Vehicle Kit
- Five synchronized acoustic sensing nodes
- Central signal-processing computer
- GNSS and IMU navigation reference
- Local crew alert interface and recording
Verified Tracking Kit
- Everything in the Acoustic Vehicle Kit
- Short-range radar verification
- Two independent PTZ or EO/IR units
- Fused multi-threat tracking and prioritization
Command Integration
- Encrypted control-room connectivity
- Shared tracks across several vehicles
- VMS, GIS or command-system integration
- Central event search, health and audit logs
Core mandatory design requirements
The project specification defines measurable requirements for detection, synchronization, integration, resilience and supplier acceptance testing.
Five independent sensing locations
The vehicle shall include at least five acoustic sensing nodes positioned to support complete azimuth coverage and fault-tolerant bearing estimation.
Common time reference
All acoustic channels shall be hardware synchronized or referenced to a common clock suitable for time-difference-of-arrival processing.
Multi-threat target manager
The system shall maintain at least four simultaneous tracks with independent identity, confidence, bearing, priority and sensor-assignment state.
Automatic optical cueing
The system shall convert an acoustic bearing into a PTZ or EO/IR search command while compensating for vehicle heading and attitude.
Radar correlation
Short-range radar detections shall be correlated to an existing acoustic track by time, bearing, range and motion consistency.
Local operation during link loss
Acoustic detection, sensor cueing, prioritization, alerting and local recording shall continue without a control-room connection.
Built for high-value mobile protection missions
The system supports encrypted communications, signed software updates, role-based access, detailed audit logs, sensor-health monitoring, local evidence storage and independent operation if external communications are unavailable.
Bring acoustic threat awareness to the protection vehicle
Request a walkthrough of the architecture, vehicle layout, acoustic processing, alert payload and field-validation plan.
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