One embodiment of the present invention permits production of the complete monolithic cross flow trap module in a single extrusion process followed by firing to sinter the plasticized ceramic material and remove the plastics to achieve open porosity. The compressor housing includes an air inlet and an air collection channel. For each of the one or more songs that does not satisfy the set of criteria, an attempt is made to select another song in an unprocessed portion of the song list that satisfies the set of criteria. The detecting component is partially received in the receiving compartment of the housing.