Testing Acoustics
Component testing
In our sound measurement room, we test electrically driven and belt-driven components according to customer specifications. For innovative tests, we work with our customers to develop the optimal test program.
Test objects
- Electrically driven components
- Belt-driven auxiliary units
- Warning and signaling devices
- Household appliances
- Plant engineering
Measurement methods & analyses
- Sound power measurement
- Transmission routes
- Frequency analyses
- Order analyses
- Localization of noise
- Psychoacoustics
Test conditions
- Class 1 sound measurement rooms according to DIN EN ISO 3745
- High-voltage power supplies up to 1200 V
- 120-channel measurement systems
- Sensors for sound pressure, acceleration, force, pressure pulsation and reference variables
- Individual test setups
Structural dynamics
In our structural laboratory we carry out investigations into structural dynamics and room acoustics.
Test objects
- Complete vehicle
- Trimmed Body
- Parts and components
Measurement methods & analyses
- Impulse hammer method
- Shaker and loudspeaker excitation
- Acoustic fingerprint
- Modal analysis
- Operating deflection shapes
- ETS measurement
- Transfer path analysis
Test conditions
- Structural laboratory (insulated modular room)
- Modal shaker for incoherent excitation
- Analysis Shaker
- Volume sound source
- Point sound source
Driving tests
Instrumented driving test: Measurements using multi-channel measurement technology to analyze influences on acoustic and vibration comfort.
Test objects
- Car
- Commercial vehicles
- Prototypes
- Aggregate carrier (Mules)
- Competition vehicles
Measurement methods & analyses
- Body acoustics
- Vibration comfort
- Aggregate acoustics
- Insulation
- Damping
Test conditions
- Mobile 120-channel measurement systems
- Sensors for sound pressure, acceleration, force, pressure pulsation and reference variables
- CAN / OBD
- Spectral analysis, signature analysis
- Psychoacoustics
