Singh, S.Hansen, C.Howard, C.2009-09-152009-09-152008Acoustics 2008: acoustics and sustainability : proceeding of the Annual Conference of the Australian Acoustical Society, 24-26 November 2008, Geelong, Victoria, Australia / Terrance Mc Minn (ed.): 1 p.064650407Xhttp://hdl.handle.net/2440/50899The transfer matrix method has been extensively explored by many researchers for analysing acoustic duct systems. However, there does not exist a comprehensive source that elaborates the use of transfer matrix method for evaluating the performance of acoustic filters. The current approach describes a detailed step-by-step method for evaluating in-duct net acoustic power transmission for a harmonic plane wave travelling in a circular duct with an attached cylindrical Helmholtz resonator using the transfer matrix method. The net acoustic power transmission is evaluated using two different methods: (1) the product of acoustic pressure and acoustic volume velocity at the duct exit, and (2) estimates of the in-duct sound field using the two-microphone technique.enConference paper00200858142-s2.0-8486752717439704Hansen, C. [0000-0002-1444-4716]Howard, C. [0000-0002-7677-5318]