Seminar, Schulung - Akustische Messtechnik, Messverfahren

Seminar – Acoustical testing methods

Subject of this seminar is the application of acoustic measurement instrumentation for recording, characterization and generation of airborne sound and structure-borne sound. In the beginning, an introduction to various acoustic sensors and actuators as well as the typical special acoustic measurement chambers is given. Afterward, selected acoustic measurement techniques in the fields of building and room acoustics, machinery acoustics, automotive acoustics and psychoacoustics are the main focus of the training course.

All along, practical experiments and exemplary measurements are carried out to demonstrate the gained knowledge in the field of technical acoustics.

Seminar:

Acoustical testing methods

Duration:

ca. 8 hours

Location:

Gesellschaft für Akustikforschung Dresden mbH, Dresden

Speaker:

Prof. Dr.-Ing. Jörn Hübelt

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Sensors and actuators for airborne sound and structure-borne sound

microphones
- types of construction
- effectiveness
- reaction on the sound field
acceleration sensors, vibrational velocity sensors and force sensors
- types of construction
- effectiveness
loudspeaker and shaker
sound level meters and analizers
special configurations of sensors
- sound intensity probes
- acoustic antenna / microphone array
- structure-borne sound intensity probes

Special acoustic measurement chambers

anechoic chamber
reverberation chamber

Selected acoustic measurement techniques

measurements of room and building acoustics
- reverberation time
- airborne sound insulation and impact sound insulation
- characteristic parameters for room acoustics
measurements regarding the sound absorption
modal analysis
application of laser vibrometers
determination of sound power
measurement methods of psychoacoustics
measurement procedures of audiology
test methods of automotive acoustics

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