looping through total size and calculating standard deviation of each frame.
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I want my loop to run from 1 to length of x. x contain total 67000 frames and I want that my code loop through each frame at a time and calculate the standard deviation of each frame from 1 to length of x.
folder = fullfile('C:\Users\vvb\Documents\datset\local');
ADS = audioDatastore(folder);
x=read(ADS);
[row,c]=size(x);
for j=1:x
totalframes(j)=j;
local=totalframes;
stdX=std(local);
end
So basically 'x' contains total 67000 frames and I want to loop through each frame of 'x' and calculate the standard deviation of each frame. I have written the above code but its not working.
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Answers (1)
Ameer Hamza
on 12 Sep 2020
I don't have the audio toolbox, but something like this will work
folder = fullfile('C:\Users\vvb\Documents\datset\local');
ADS = audioDatastore(folder);
stdX = [];
while hasdata(ADS)
x = read(ADS);
stdX(end+1) = std(x);
end
2 Comments
Ameer Hamza
on 12 Sep 2020
This code runs on all the frames in ADS. Is there any error? If you want to store all the signals too then try something like this
folder = fullfile('C:\Users\vvb\Documents\datset\local');
ADS = audioDatastore(folder);
x = {};
stdX = [];
while hasdata(ADS)
x{end+1} = read(ADS);
stdX(end+1) = std(x);
end
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