... national and international conferences such as the International Conference on Music Information Retrieval (ISMIR), International Conference on Multimedia and Expo (ICME), and the INFORMS Computing Society’s ... [3] C.-H Chuan and E Chew, “Fuzzy analysis in pitch-class determination for polyphonic audio key finding,” in Proceedings of the 6th International Conference on Music Information Retrieval (ISMIR ... method, and key determination cri- teria The major differences between the systems occur in the audio characteristic analysis, key template construction, ´ and key determination criteria In Gomez’s system, ...