How can i store multiple audio files in a variable ?

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clc;
clearvars;
close all;
% loading data
load data;
% Normal, Asthma , .., --> that is variable which i used to store audio files in them
overall_dataset =[Normal; Asthma; Pneumonia; BRON; COPD; HeartFailure];

Accepted Answer

Walter Roberson
Walter Roberson on 15 Aug 2022
Unless the files are all the same sampling frequency and the same number of samples and the same number of channels, then I recommend
overall_dataset = {Normal; Asthma; Pneumonia; BRON; COPD; HeartFailure};
along with storing the sampling frequency for each in a numeric vector unless you know that they are all the same.
  2 Comments
Walter Roberson
Walter Roberson on 15 Aug 2022
Then use {} like I show. Afterwards you would be able to do things such as
size(overall_dataset{2}, 1)
to find the number of samples for the Asthma dataset.
Depending what you are doing, you might want to instead create a table,
dataset_name = {'Normal'; 'Asthma'; 'Pneumonia'; 'BRON'; 'COPD', 'HeartFailure'};
Data = {Normal; Asthma; Pneumonia; BRON; COPD; HeartFailure};
Frequency = [18000; 12000; 18000; 18000; 36000; 12000];
T = table(Data, Frequency, 'RowNames', dataset_name);
Afterwards you would be able to do things like
T.Frequency('Asthma')

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