view trunk/matlab/bmm/carfac/CARFAC_GenerateTestData.m @ 690:76f749d29b48

Fix memory leak in CARFAC.

Also get rid of most uses of auto, which tend to hurt readability
unless the type name is particularly long, especially when it masks
pointers.

% Author: Alex Brandmeyer
%
% This Matlab file is part of an implementation of Lyon's cochlear model:
% "Cascade of Asymmetric Resonators with Fast-Acting Compression"
% to supplement Lyon's upcoming book "Human and Machine Hearing"
%
% Licensed under the Apache License, Version 2.0 (the "License");
% you may not use this file except in compliance with the License.
% You may obtain a copy of the License at
%
%     http://www.apache.org/licenses/LICENSE-2.0
%
% Unless required by applicable law or agreed to in writing, software
% distributed under the License is distributed on an "AS IS" BASIS,
% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
% See the License for the specific language governing permissions and
% limitations under the License.

function CARFAC_GenerateTestData()
% function GenerateTestData()
% This function generates a set of text files in the AIMC repository that
% can be used to compare the output of the C++ version of CARFAC with that
% of the Matlab version.

% This designates a subdirectory of the C++ CARFAC folder to store the
% test data
data_dir = '../../../carfac/test_data/';
precision_level = 9;

% The following section generates data for the binaural test of the C++
% version of CARFAC.
n_ears = 2;
 
file_signal = wavread('plan.wav');
file_signal = file_signal(9000:9903);  % trim for a faster test
 
itd_offset = 22;  % about 1 ms
test_signal = [file_signal((itd_offset+1):end), ...
               file_signal(1:(end-itd_offset))] / 10;
           
filename = 'file_signal_binaural_test.txt'
data = test_signal;
dlmwrite([data_dir filename],data,'precision', precision_level,'delimiter',' ');
           
CF_struct = CARFAC_Design(n_ears);
CF_struct = CARFAC_Init(CF_struct);         
[CF_struct, nap_decim, nap, bm, ohc, agc] = CARFAC_Run(CF_struct, test_signal);
 
%Store the data for each each as individual 2d text data.
nap1 = nap(:,:,1);
nap2 = nap(:,:,2);
bm1 = bm(:,:,1);
bm2 = bm(:,:,2);
 
filename = 'binaural_test_nap1.txt'
data = nap1;
dlmwrite([data_dir filename],data,'precision', precision_level,'delimiter',' ');
 
filename = 'binaural_test_bm1.txt'
data = bm1;
dlmwrite([data_dir filename],data,'precision', precision_level,'delimiter',' ');
 
filename = 'binaural_test_nap2.txt'
data = nap2;
dlmwrite([data_dir filename],data,'precision', precision_level,'delimiter',' ');
 
filename = 'binaural_test_bm2.txt'
data = bm2;
dlmwrite([data_dir filename],data,'precision', precision_level,'delimiter',' ');


% Longer audio segment test

n_ears = 2;
start = 80001;
n_timepoints = 2000;
 
[test_signal, fs] = wavread([data_dir 'Anka_SLTS.wav']);
test_signal = test_signal(start:start+n_timepoints-1,:);
size(test_signal)
 
filename = 'file_signal_long_test.txt'
data = test_signal;
dlmwrite([data_dir filename],data,'precision', precision_level,'delimiter',' ');
           
CF_struct = CARFAC_Design(n_ears, fs);
CF_struct = CARFAC_Init(CF_struct);         
[CF_struct, nap_decim, nap, bm, ohc, agc] = CARFAC_Run(CF_struct, test_signal);
 
%Store the data for each each as individual 2d text data.
nap1 = nap(:,:,1);
nap2 = nap(:,:,2);
bm1 = bm(:,:,1);
bm2 = bm(:,:,2);
 
filename = 'long_test_nap1.txt'
data = nap1;
dlmwrite([data_dir filename],data,'precision', precision_level,'delimiter',' ');
 
filename = 'long_test_bm1.txt'
data = bm1;
dlmwrite([data_dir filename],data,'precision', precision_level,'delimiter',' ');
 
filename = 'long_test_nap2.txt'
data = nap2;
dlmwrite([data_dir filename],data,'precision', precision_level,'delimiter',' ');
 
filename = 'long_test_bm2.txt'
data = bm2;
dlmwrite([data_dir filename],data,'precision', precision_level,'delimiter',' ');