how to save two variables into csv files

how to save two variables into csv files in matlab for x and t from wav file ,and do that for multiple wav file I use this code to read the wav file % load an audio file

 [x, fs] = audioread('a66.wav');
x = x(:, 1); 
N = length(x); 
t = (0:N-1)/fs; 
save a66.csv x -ascii -double

[Image Analyst]

Other than x, what is the other vector you want to save? It must be the same length as x to be a valid csv file. Also, use csvwrite() instead of save().

[sam aldoss]

t which the same length but different value

[Stephen23]

Duplicate:

https://www.mathworks.com/matlabcentral/answers/422701-how-to-save-two-variables-csv-file

[Jan]

sam aldoss wrote as flag:

 this person mark my question as duplicate which not

@sam aldoss: Sorry, the question looks such equal, that I consider it as duplicate also. What is the difference?