London South Bank University Acoustics Group : Testing the Queen Elizabeth Hall's Helmholtz resonators

Wednesday, 28 August 2013

Testing the Queen Elizabeth Hall's Helmholtz resonators

The specially designed Helmholtz resonators in the Queen Elizabeth Hall at the South Bank have been recreated in the workshops of London South Bank University. The absorption characteristics of four of these resonators have been measured in the acoustic laboratory using the latest NTI XL2 FFT meter. This has established the practical performance of the resonators, which will be compared to the theoretical model.

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Acoustic Equipment

Oculus Rift
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3 Vibration Calibrators
2 NTi Env Class 1 SLM
JBL 6112 Subwoofer
BSWA Standing Wave Tube
Microflown Impedance Gun
2 KayPentax Vocal Load APM
Svantek 6 Channel Vibration Meter
2 Dodec Loudspeakers
4 Norsonic Nor 140 Class 1 SLM
2 CEL 593 Class 1 SLM
Svantek 958 Noise/Vibration meter
Norsonic Nor 132 Class 2 SLM
13 NTI XL2 Class 1 SLM
10 SoundBadge Dosimeters
Rion Vibration Suite
B&K Standing Wave Tube
Norsonic Sound Insulation Kit
Norsonic Nor150 Sound Intensity Probe
Kudawave Portable Audiometer
8 Svantek SV200 Noise Stations
Path Medical OAE Kit
2 Amplivox Audiometers