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A measuring microphone is placed in a sound measurement room in front of a loudspeaker. One person is holding the measuring equipment in their hands on which the sound measurement is graphically displayed.

Acoustics

Fast facts

Location & room
Campus Sonnenstraße F 109
Organizational unit
Mechanical engineering

Profile

The acoustics laboratory at Fachhochschule Dortmund covers the acoustic and vibration design of vehicles and machines. Acoustics is an interdisciplinary field of mechanical engineering, which means that research and teaching focus on several areas:

Design of vehicle acoustics for vehicles with combustion engines and electrically powered vehicles
Noise emissions from machines, in particular approaches for low-noise designs and noise protection
Virtual methods of acoustics for the simulation of noise and vibration behavior
Acoustic measurement technology and test methods
Physiological and psychological effects of sound on humans
Psychoacoustic phenomena and connection to technical noise generation
Technical measures to influence noise and vibration comfort
Acoustics as a product feature and sound design
Active acoustic methods: Active Noise Cancellation (ANC), Active Vibration Control (AVC) and Active Sound Design (ASD)

Interactive teaching in the acoustics laboratory.__Interactive teaching in the acoustics laboratory.<br><br>

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Test setup for structural investigations and modal analyses __Test setup for structural investigations and modal analyses.

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Acoustic measurement of a loudspeaker in a sound measurement room.__Acoustic measurement of a loudspeaker in a sound measurement room.<br><br>

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__Measuring microphone in front of a loudspeaker. __Measuring microphone in front of a loudspeaker.

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Design and commissioning of Active Noise Cancellation hardware/software.<br><br>Design and commissioning of Active Noise Cancellation hardware/software.

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Development of sound systems and audio electronics.__Development of sound systems and audio electronics.<br><br><br>

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A man does creative sound design at the audio workstation.<br><br>

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Highly dynamic driving simulator for new acoustic functions _Highly dynamic driving simulator for new acoustic functions.

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Acoustic application in the driving simulator.

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Equipment

Semi-anechoic chambers for acoustic tests
Measurement technology for acoustic investigations: Microphones (class 1), acceleration sensors (uniaxial and triaxial), modal shaker, modal hammer, etc.
Test track for road tests with workshop and office area
Modern data acquisition methods and front ends, such as SQuadriga III and Sqobold
Analysis and simulation software for acoustic tests (HEAD Acoustics - ArtemiS, Recorder, ..., B&K Pulse, MATLAB / Simulink, etc.)
Software tools for the development of acoustic functions (MATLAB / Simulink, DSP Concepts Audio Weaver, etc.)
Virtual vehicle environment for the design and research of new acoustic functions
Audio workstation for sound design and definition of target sound concepts (DSP Concepts Audio Weaver, various DAWs and extensions, embedded systems for applications in test vehicles)

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Service & Offer

Acoustic measurements and analysis of machines and vehicles
Acoustic optimization of systems and components
Measurement of maximum permissible noise emissions from motor vehicles in accordance with UN R 51.02, UN R51.03 and DIN ISO 362-1
Measurement of minimum required noise emissions from electrically powered vehicles in accordance with UN R 138 and FMVSS 141
Research into new sound concepts for electrically powered vehicles and soundscaping
Test subject studies and listening studies to determine sound quality and evaluation metrics