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sound will not play Mac Matlab 2018b

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Hi there, I am working through a brilliant Udeny course in Matlab and am currently working on generating a sound but am finding that this session does not work, even though I have written exactly as specified (I think!)
frequencies = 5000; % Hz
duration = 1; % duration of the sound
amplitude = 1; % loudness
fs = 44100; % Sampling rate
T = 1 / fs ; % Time sampling period
t = 0:T:duration; % time vector
signal = amplitude * cos(2 * pi * frequencies * t);
sound(signal, fs)
Can anyone tell me where I'm going wrong please?
  9 Comments
Tracey Rochester
Tracey Rochester on 20 Feb 2020
Thank you everyone, I trashed my file, and then emptied it, and the sound is now playing.

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Accepted Answer

Ajay Pattassery
Ajay Pattassery on 20 Feb 2020
Edited: Ajay Pattassery on 20 Feb 2020
The issue is most likey due to having multiple user-defined sound.m files.
Replace sound(signal, fs) with the following code
player = audioplayer(signal,fs);
play(player)
If it is playing for the above code, execute the following line
which -all sound
If it returns more than one sound.m location, rename all the sound.m files in location other than MATLAB builtin path which ends with toolbox\matlab\audiovideo\sound.m

More Answers (1)

Tracey Rochester
Tracey Rochester on 19 Feb 2020
By the way, I'm running MATLAB R2018b, on a Mac, OS 10.14.6 Mojave...

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