Technical Facilities
Measuring Chambers/Laboratories
- Semi-anechoic chamber class 1 (6m x 10m x 5m, lower frequency limit 100Hz)
- Reverberation room (volume 125m3)
- Electronics laboratory
Measuring Equipment
- 8 Four-Audio measuring sets, 5 of which are mobile racks
- B&K 1/2″ and 1/4″ microphones for laboratory measurements
- B&K hand-held spl meter
- B&K tapping machine
- Norsonic 229 dodecahedron loudspeaker
- Norsonic 121 environmental noise analyzer
- Norsonic 110
- Norsonic 823-2 sound measuring system
- Norsonic Nor1220 1/4″ measuring microphones
- Four-Audio robot ELF for the automatic measurement of balloon data of loudspeakers
- IFAA custom made 2-axis robot ELFriede for true half space measurements (ceiling speakers)
- Four-Audio turntable ANT
- Four-Audio 1-axis ELF (flush with the ground)
- NTI Acoustilizer
- Rhode & Schwarz UPD for measuring electronics
- Audio Precision for measuring electronics
Audio Equipment in the Laboratories
- Amplifiers: Crown I-Tech 12000 HD, Crown Reference, 2x AD-Systems 2404
- Controllers: 2x Four-Audio HD2, 2x Dynacord DSP 244
Software
- WinMF for acoustical and electronical measurements
- Monkey Forest for acoustical and electronical measurements
- EASE
- EASE Speaker Lab
- SAOS-NP
- Matlab
- BEM solver in Matlab
- Directivity simulation in Matlab
- Directivity simulation of mulit-driver loudspeakers in Matlab
- Bassyst
- AJ-Horn
- Mecway FEM Solver
- Rhino 5
- Rhino 6
- Deskproto 5
- Alibre Design
Computers
- PC cluster for BEM simulations with 128GB RAM
Prototyping
- Alphacam Dimension BST1200es (building volume 10″ x 10″ x 12″)
- Modified M60 (building volume 60,5x61x61cm)
- Formlabs Form2
- Ender7
- Ultimaker 2 Ext+
- CNC milling machine for woodworking
- CNC milling machine for metalworking
- Wood workshop