A method for automatically detecting sentiments in an audio signal of an interaction held in a call center, including, receiving the audio signal from a logging and capturing unit. The present invention additionally relates to methods of promoting animal growth and inhibiting parasitic infectioninfestation with these compositions, as well as methods of preparing such compositions. The user specifies packaging and printing characteristics with respect to individual ones of the files. Also, the method could include crystallizing the amorphous or microcrystalline material during subsequent formation of one or more layers over the second side of the substrate.