lpc_shorttime_analysis.m

该代码实现了am

function lpc_shorttime_analysis

for i=1:8
    if abs(r(1,i))<0.675  
         LAR(1,i)=r(1,i)
      elseif abs(r(1,i))>=0.675 & abs(r(1,i))<0.950
         LAR(1,i)=sign(r(1,i))*(2*abs(r(1,i))-0.675)
      elseif abs(r(1,i))>=0.950 & abs(r(1,i))<=1.000
         LAR(1,i)=sign(r(1,i))*(8*abs(r(1,i))-6.375)
      end
  
      temp(1,:)=A(1,:).*LAR(1,:)+B(1,:)
      LARc(1,:)=fix(temp(1,:)+sign(temp(1,:))*0.5)
  end