[HTML][HTML] Incremental use of FFT as a solution for low BT-product reverberation time measurements
The limitations in performance of band-pass filters to accurately process rapid decaying
signals in lower frequency bands is an obstacle for some measurements within building …
signals in lower frequency bands is an obstacle for some measurements within building …
[PDF][PDF] Measurement of low frequency noise in rooms
D Oliva, V Hongisto, J Keränen… - Finnish Institute of …, 2011 - apexacoustics.co.uk
Sound pressure levels (SPL) at low frequencies (20 to 200 Hz) are strongly dependent on
measurement position in normal-sized rooms. The variation of SPL can be above 20 dB …
measurement position in normal-sized rooms. The variation of SPL can be above 20 dB …
[PDF][PDF] Building components and materials for low frequency airborne and structure-borne sound insulation
During the last years it has been observed a growing interest in the characterization of the
acoustical performances of building elements at low frequencies. The proposal to extend …
acoustical performances of building elements at low frequencies. The proposal to extend …
Questionnaire about Low Frequency Noise measurements in rooms
D Oliva - Journal of Low Frequency Noise, Vibration and …, 2012 - journals.sagepub.com
Room modes at low frequencies generate large sound pressure level differences within
enclosures. The resulting sound field is complicated and the sound pressure level …
enclosures. The resulting sound field is complicated and the sound pressure level …
[引用][C] Reproducibility of the present and the proposed single-number quantities of airborne sound insulation
V Hongisto, J Keränen… - Acta acustica …, 2012 - European Acoustics Association
[引用][C] Prediction model for the risk of annoyance from external low frequency noise
J Keranen, D Oliva, V Hongisto - INTER-NOISE and NOISE …, 2010 - ingentaconnect.com
Extraneous noise level transmitted through the facade is strictly regulated in European
countries. The dimensioning methods for the minimum facade sound insulation have …
countries. The dimensioning methods for the minimum facade sound insulation have …