comparison aux/batchResample.m @ 0:4fd284285159

Adding listening test plus some helpful functions and scripts.
author Brecht <b.deman@qmul.ac.uk>
date Thu, 24 Apr 2014 23:53:31 +0100
parents
children 5e72201496c8
comparison
equal deleted inserted replaced
-1:000000000000 0:4fd284285159
1 function [] = batchResample(foldername, fsnew, bitDepth)
2 % BATCH RESAMPLE converts sample rate of all files in folder.
3 %
4 % by Brecht De Man at Centre for Digital Music on 13 April 2014
5
6 % TODO read sampling rate without reading whole file
7
8 if nargin <3
9 bitDepth = 24;
10 end
11
12 currentfolder = pwd;
13 cd(foldername); % go to specified folder
14 % go over all wav files in this folder
15 files = dir('*.wav');
16
17 % remove hidden files from list
18 % see http://www.mathworks.co.uk/matlabcentral/newsreader/view_thread/258220
19 for k = length(files):-1:1
20 fname = files(k).name;
21 if fname(1) == '.'
22 files(k) = [ ];
23 end
24 end
25
26 for k=1:length(files)
27 disp(['Reading ' files(k).name '...']);
28
29 [audio,fs] = audioread(files(k).name); % read audio
30
31 if fs==fsnew
32 warning('Sampling rate of original audio file is equal to current sampling rate');
33 else
34 resampledAudio = resample(audio, fsnew, fs);
35 audiowrite([files(k).name],resampledAudio, fsnew, 'BitsPerSample', bitDepth);
36 end
37 end
38 cd(currentfolder); % go back to original folder
39
40 end