Use of acoustic coherence and intensity to identify noise sources and reduce noise levels in the textile industry Abstract The sources of noise in machines widely-used in the textile industry, and the most appropriate noise reduction measures, are poorly characterized.Theoretical research was combined with field measurements to identify noise sources, measure the sound power generated by machines, and develop and verify noise reduction measures.The acoustic intensity technique was refined and is capable of effectively identifying predominant noise sources, even in the presence of reverberation. Inexpensive control measures were developed, particularly for four machines used in the textile industry.Several seminars and courses on noise control were held. A series of approximately 50 consultations resulted in reductions of noise levels at several companies. Produced Under this Project Scientific Reports Use of consistency and sound intensity to identify noise at source and to reduce noise in the textile industry Research Summary: PR-026 Scientific Publications Image method prediction of industrial hall noise levels: A new algorithmLemire G., Nicolas J.Source : Noise Control Engineering Journal, vol. 24, no 2, 1985, p. 58-67Precision of active sound intensity measurement in the presence of a progressive and non progressive fieldNicolas J., Lemire G.Source : Journal of the Acoustical Society of America, vol. 78, no 2, 1985, p. 414-423 Additional Information Type: Project Number: 0081-0040 Status: Completed Year of completion: 1985 Research Field: Mechanical and Physical Risk Prevention Team: Jean Nicolas (Université de Sherbrooke)Gilles Lemire (Université de Sherbrooke)