CODEWITHSUNDEEP
matlabaudio
Asil
Asil

Reputation: 904

MATLAB doesn't play a loaded .wav file

I load couple audio files from a folder with the audioread function as following:

for audio_numm = 1:24

    [sound{audio_numm},freq{audio_numm} ] = audioread(strcat('./M_S',int2str(audio_numm),'.wav'));
end

It loads without any problem, but when i try to play any of them with the following function:

for i=1:24
     sound(sound{i})
end

I get the following error:

Subscript indices must either be real positive integers or logicals.

.wav file is saved in an 1x24 array where each element is another one dimensional array. How can I fix this problem?

Upvotes: 2

Views: 116

Answers (1)

alpereira7
alpereira7

Reputation: 1550

The error comes from the fact that a variable is named with a build in function name sound.

What Matlab says is:

Avoid creating variables with the same name as a function (such as i, j, mode, char, size, and path). In general, variable names take precedence over function names. If you create a variable that uses the name of a function, you sometimes get unexpected results.

So in the for loop, what you expected to be the function is actually the variable sound. So it was indexed with non integer values.

You can check if a name is already taken with the command exists, it will return zero if the name is not taken:

exist toto

ans =

     0

Thanks @Brice for correcting me.

Upvotes: 2

Related Questions