www.pudn.com > 305-matlabCode.zip > fade_in_m.m

%PROJECT: AUDIO SIGNAL PROCESSING 
%IMPLEMENTATION FADE IN EFFECT 
%fade in FUNCTION 
%PROJECT BY: 
function y=fade_in_m(); 
[yin,fs,nbits]=wavread('wav_2.wav'); 
yin=yin'; 
step=1/length(yin); 
fd=0:step:(1-step); 
plot(fd); 
fadin=fd.*yin; 
y=fadin;