?function?out=Peak_Seek（pmusicp_indexN）
?jj=0;
?mm=1;
?temp=pmusic（1）;
?peak=[];
?index=[];
?for?ii=2:length（pmusic）
?????if?temp<=pmusic（ii）??%增大或不變令jj為1
?????????jj=1;
?????else???%減小令jj為0?????????????
?????????if?jj==1??%上一次增大這一次減小出現峰值
?????????????peak（mm）=temp;
?????????????index（mm）=p_index（ii-1）;
?????????????mm=mm+1;
?????????end
?????????jj=0;???
?????end
??????temp=pmusic（i