File list (Check if you may need any files):
speech_tool
...........\1.wav
...........\ascii_read.m
...........\atolsf.m
...........\autocorr.c
...........\autocorr.m
...........\avsmooth.m
...........\bpf.m
...........\column.m
...........\cut_view.m
...........\degrade.m
...........\DR4_MLJH0_SX334.ADC
...........\durbin.c
...........\durbin.m
...........\end_point.m
...........\end_point.m~
...........\energy.m
...........\enhance.m
...........\figs.m
...........\formants2.m
...........\frame.m
...........\fres.m
...........\getword.m
...........\hpf.m
...........\input_area.m
...........\input_call.m
...........\interpolate.m
...........\is.m
...........\lpc_spectrum.m
...........\lpf.m
...........\lsftoa.m
...........\lsf_gr.m
...........\matlab.mat
...........\matlab_file
...........\modify.m
...........\modify_neutral.m
...........\open.m
...........\opensd.m
...........\pitch_change.m
...........\pitch_fft.m
...........\pitch_sift.m
...........\plt.m
...........\read.m
...........\README
...........\say.m
...........\segplot.m
...........\setmap.m
...........\sigdemo2.m
...........\specgram2.m
...........\spectrogram.m
...........\spec_sub.m
...........\speech.m
...........\speech_options.m
...........\syn_vowel.m
...........\t_filter.m
...........\t_line.m
...........\t_scale.m
...........\t_scale.m~
...........\t_scale_sen.m
...........\t_scale_sen.m~
...........\t_solve.m
...........\wiener.m
...........\write.m
...........\zc.m