s=sin([0:0.4:pi*150]); wavplay(s, 8000); authoritah = wavread('authoritah.wav'); newauthoritah = authoritah; wordAuthoritah = authoritah(9800:length(authoritah)); l=length(wordAuthoritah) x=l*0.4/pi s=sin([0.4:0.4:pi*x]); length(wordAuthoritah) length(s) newauthoritah(9800: length(newauthoritah)) = s; wavplay(newauthoritah, 8000); plot(newauthoritah);