quick start:isip_gmm_demo [files] [options]\n
description:isip_gmm_demo -help; isip_gmm_demo train_1.sof train_2.sof test_data.sof test_labels.sof -verbosity none
isip_gmm_demo train_1.sof train_2.sof test_data.sof test_labels.sof -verbose off -buffer_size 10000
isip_gmm_demo train_1.sof train_2.sof test_data.sof test_labels.sof -init_method file -init_file init.dat