GMM
...\Gmm_b.m
...\Gmm_build.m
...\Gmm_em.m
...\Gmm_init.m
...\Gmm_post.m
...\Gmm_rec.m
...\endpoint_detection.m
...\main.m
...\melbankm.m
...\mfcc.m
...\sgn.m
...\timit_ceshi.m