waveFile='soo.wav';
au=myAudioRead(waveFile);
startIndex=15000;
frameSize=round(32*au.fs/1000);	% 32 ms
frame=au.signal(startIndex:startIndex+frameSize-1);
zeroPaddedFactor=15;
ceps=frame2ceps(frame, au.fs, zeroPaddedFactor, 1);