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Contents of volume 24
Applied Acoustics 24 (1988) 338-339
CONTENTS
O F V O L U M E 24
Number 1 The Effect of Moving Microphones and Rotating Diffusers on the Variance of Decay Rate . J. L. DAVY & I. P. D U N N (Australia) The Transmission Loss of Double Expansion Chamber Mufflers with Unequal Size Chambers J. S. L A M A N C U S A (USA)
15
Modelluntersuchungen zum K6rperschallverhalten von U-Bahn-Tunneln und deren Umgebung. JOACHIM F E L D M A N N (Germany)
33
Free Vibrations of a Rectangular Plate-Cavity System M A Z E N I. QAISI (Jordan) Technical Notes Sound Source for Scale Model Measurements of Traffic Noise JOSEF NOVAK (Czechoslovakia)
49
63
Reverberation Time Prediction Software E. T Z E K A K I S (Greece)
71
Book Review
79
Announcement
81
Calendar
82 Number 2
An Efficient Algorithm for the Image Model Technique HEEWON LEE & BYUNG-HO LEE (Republic of Korea) Determination of the Directional Factors of Loudspeakers. M. EL-MESSIRY (Egypt) Field Evaluation of Ear-Muffs: Which is More Suitable--Insertion Loss or Transmission Loss? J. PFRETZSCHNER & A. MORENO (Spain) Effect of Tailpipe Reflections on Resonator-Muffler Performance A. I. EL-SHARKAWY & N. M. EL-CHAZLY (Egypt)
87 117
129 145
338 Applied Acoustics (24) (1988)--© 1988 Elsevier Applied Science Publishers Ltd, England. Printed in Great Brita,
Contents of Volume 24 Technical Note Impact Noise on Two Timber Floors with Vinyl Floor Coverings on Resilient Underlays W. A. DAVERN (Australia)
339
157 165
Calendar Number 3
Evaluation of Sound Insulation Materials in a Reverberant Field by the Sound Intensity Method. H. F U K U H A R A (Japan) The Attenuation of Acoustic Signals by Aqueous and Particulate Foams . N. T. MOXON, A. C. T O R R A N C E & S. B. R I C H A R D S O N (Australia)
169
193
Simulation of Noise Distribution in Rectagular Rooms by Means of Computer Modelling Techniques . R. N. S. H A M M A D (Jordan)
211
Technical Notes Use of Dynamic Dampers in Conduits Vibrating near a Resonant Condition J. L. POMBO, P. A. A. LAURA, L. ERCOLI & R. G I L (Argentina)
229
Stage Sound-Reflectors in Hangzhou Theatre JINCHEN HAN (People's Republic of China)
233
Letter to the Editors
243
Book Reviews
245
Calendar
248 Number 4
An Introduction and Tribute to Peter H. Parkin.
251
The Royal Festival Hall Acoustics Revisited M. BARRON (UK)
255
Electroacoustic Means of Controlling Auditorium Acoustics A. K R O K S T A D (Norway)
275
Review of Ground Effects on Outdoor Sound Propagation from Continuous Broadband Sources K. A T T E N B O R O U G H (UK)
289
Sound Insulation between Dwellings L. C. F O T H E R G I L L (UK)
321
Calendar
335
CONTENTS
O F V O L U M E 24
Number 1 The Effect of Moving Microphones and Rotating Diffusers on the Variance of Decay Rate . J. L. DAVY & I. P. D U N N (Australia) The Transmission Loss of Double Expansion Chamber Mufflers with Unequal Size Chambers J. S. L A M A N C U S A (USA)
15
Modelluntersuchungen zum K6rperschallverhalten von U-Bahn-Tunneln und deren Umgebung. JOACHIM F E L D M A N N (Germany)
33
Free Vibrations of a Rectangular Plate-Cavity System M A Z E N I. QAISI (Jordan) Technical Notes Sound Source for Scale Model Measurements of Traffic Noise JOSEF NOVAK (Czechoslovakia)
49
63
Reverberation Time Prediction Software E. T Z E K A K I S (Greece)
71
Book Review
79
Announcement
81
Calendar
82 Number 2
An Efficient Algorithm for the Image Model Technique HEEWON LEE & BYUNG-HO LEE (Republic of Korea) Determination of the Directional Factors of Loudspeakers. M. EL-MESSIRY (Egypt) Field Evaluation of Ear-Muffs: Which is More Suitable--Insertion Loss or Transmission Loss? J. PFRETZSCHNER & A. MORENO (Spain) Effect of Tailpipe Reflections on Resonator-Muffler Performance A. I. EL-SHARKAWY & N. M. EL-CHAZLY (Egypt)
87 117
129 145
338 Applied Acoustics (24) (1988)--© 1988 Elsevier Applied Science Publishers Ltd, England. Printed in Great Brita,
Contents of Volume 24 Technical Note Impact Noise on Two Timber Floors with Vinyl Floor Coverings on Resilient Underlays W. A. DAVERN (Australia)
339
157 165
Calendar Number 3
Evaluation of Sound Insulation Materials in a Reverberant Field by the Sound Intensity Method. H. F U K U H A R A (Japan) The Attenuation of Acoustic Signals by Aqueous and Particulate Foams . N. T. MOXON, A. C. T O R R A N C E & S. B. R I C H A R D S O N (Australia)
169
193
Simulation of Noise Distribution in Rectagular Rooms by Means of Computer Modelling Techniques . R. N. S. H A M M A D (Jordan)
211
Technical Notes Use of Dynamic Dampers in Conduits Vibrating near a Resonant Condition J. L. POMBO, P. A. A. LAURA, L. ERCOLI & R. G I L (Argentina)
229
Stage Sound-Reflectors in Hangzhou Theatre JINCHEN HAN (People's Republic of China)
233
Letter to the Editors
243
Book Reviews
245
Calendar
248 Number 4
An Introduction and Tribute to Peter H. Parkin.
251
The Royal Festival Hall Acoustics Revisited M. BARRON (UK)
255
Electroacoustic Means of Controlling Auditorium Acoustics A. K R O K S T A D (Norway)
275
Review of Ground Effects on Outdoor Sound Propagation from Continuous Broadband Sources K. A T T E N B O R O U G H (UK)
289
Sound Insulation between Dwellings L. C. F O T H E R G I L L (UK)
321
Calendar
335