语音合成与识别

开发平台：

Matlab

enframe.m：源码内容

							function  xn=enframe(x,N,M)
T=N-M;
wn=hamming(N);                                                             
%x=[1,2,-1,1,1,-1,-1,0,1,1,1,1,3,1,1,1,1,1,6,-1,1,1,1,-1,1,1,1,1,-1,1,2,3];测试向量
x_num=length(x);                                                           %确定数据的长度
frame_num=ceil((x_num-N)/T)+1;                                             %确定帧的数目
for i=1:frame_num-1
    xn(:,i)=wn.*x(T*(i-1)+1:T*(i-1)+N);
end
%对最后一帧进行处理
if x_num==N+(frame_num-1)*T                                                %数据正好可以分为整数帧的情况
     xn(:,frame_num)=wn.*x(T*(frame_num-1)+1:T*(frame_num-1)+N);
else                                                                       %如果不为整数帧，需要补0操作
    zero_num=N+(frame_num-1)*T-x_num;                                      %确定补0的数目
    xn(:,frame_num)=[(x((T*(frame_num-1)+1):x_num))', zeros(1,zero_num)];
    xn(:,frame_num)=wn.*xn(:,frame_num);
end 

						