读取多个文件（wavread）

Question

我想从某个目录读取几个文件。这里是我的脚本：

prefix = '\wav\'; 
wav_arr = ['1.wav'; '2.wav'; '3.wav']; 
wav_arr = cellstr(wav_arr); 

len = length(wav_arr); 
sig = []; 
fs = []; 
for i = 1:len 
    path = strcat(pwd, prefix, wav_arr(i)); 
    [s, curr_fs] = audioread(path); 
    sig = [sig s]; 
    fs = [fs curr_fs]; 
end 

但我收到的错误：

Error using which 
Argument must contain a string. 

Error in audiovideo.internal.absolutePathForReading (line 7) 
whichFileName = which(filename); 

Error in audioread (line 74) 
filename = audiovideo.internal.absolutePathForReading(... 

Error in main_experiment (line 14) 
    [s, curr_fs] = audioread(path); 

的问题是，path是1x1 cell，它不是一个string。对于path执行cellstr()不起作用。

Answer 1

for i = 1:len 
    path = strcat(pwd, prefix, wav_arr(i)); 
    [s, curr_fs] = audioread(path); 
    sig = [sig s]; 
    fs = [fs curr_fs]; 
end 

成为

for i = 1:len 
    path = strcat(pwd, prefix, wav_arr{i}); 
    [s, curr_fs] = audioread(path); 
    sig = [sig s]; 
    fs = [fs curr_fs]; 
end 

这就是全部，阅读有关MATLAB中的细胞中的文档，以了解细胞之间的差值（1）和细胞{1}