Skip to content

GitLab

Commit 959ee34c authored by Jonas Stienen's avatar Jonas Stienen
Browse files

Removing even more lines that are from old writeDAFFFile method (that has been... 

Removing even more lines that are from old writeDAFFFile method (that has been moved to an individual m-file of the class)
parent 9fea9ef5
Hide whitespace changes
Inline Side-by-side
Showing with 0 additions and 154 deletions
applications/Binaural-HRTF/HRTF_class/@itaHRTF/itaHRTF.m
View file @ 959ee34c
......@@ -1378,160 +1378,6 @@ classdef itaHRTF < itaAudio
grid on;set(gca,'layer','top')
end
% writes DAFF file to hard disc
%
% Input: filePath / fileName (string)
%
% Required: openDAFF matlab executables
%
% Output: none
if nargin == 2
fileName = filePath;
else
fileName = [ 'HRTF_Length' int2str(this.nSamples) '_' int2str(this.resAzimuth) 'x' int2str(this.resElevation) '.daff'];
end
%..............................................................
% Comment: Angles are not exact - improve it if you like to :)
precision = 3;
nThetaU = numel(unique(round(this.channelCoordinates.theta_deg*10)./10));
nPhiU = numel(unique(round(this.channelCoordinates.phi_deg*10)./10));
resElevation= round(median(diff(rad2deg(this.theta_Unique)))*10^precision)/10^precision;
rangeEl = round([min(rad2deg(this.theta_Unique)) max(rad2deg(this.theta_Unique))]*10^precision)/10^precision;
rangeElnew = [min(rangeEl) min(rangeEl)+(nThetaU-1)*resElevation];
resAzimuth= round(median(diff(rad2deg(this.phi_Unique)))*10^precision)/10^precision;
rangeAz = round([min(rad2deg(this.phi_Unique)) max(rad2deg(this.phi_Unique))]*10^precision)/10^precision;
rangeAznew = [min(rangeAz) min(rangeAz)+(nPhiU-1)*resAzimuth];
%..............................................................
%% config values
threshold_db = -20;
pre_taps = 12;
window_length = 128;
delay = 10;
gPeakL = 0;
gPeakR = 0;
gRangeStart = inf;
gRangeEnd = 0;
gRangeStartHit = [];
gRangeEndHit = [];
gPower = 0;
% Measurement distance [m], rounded on one digit
distance = delay / 44100 * 340;
distance = round(distance * 100)/100;
% this = ita_time_shift(this,delay);
% metadata.object = 'ITA Kunstkopf, an artificial head developed and designed at the Institute of Technical Acoustics (ITA), RWTH Aachen University';
% metadata.copyright = '(c) Copyright Institute of Technical Acoustics (ITA), RWTH Aachen University, Germany';
% metadata.contact = 'Frank Wefers (fwe@akustik.rwth-aachen.de)';
% metadata.environment = 'semi-anechoic chamber';
% metadata.session = 'Mess01: Farfield HRIRs, Tobias Lentz, 2001';
% metadata.processing = 'Loudspeaker deconvolved. Windowed using peak-oriented tukey window (0.1) to length 96 taps.';
%% find filter ranges
peak = max(abs(this.timeData));
threshold = peak * 10^(threshold_db/20);
timeData = abs(this.timeData);
for index = 1:this.nChannels
kTemp = find(timeData(:,index) >=threshold(index));
if (isempty(kTemp))
error('Impulse response is completely below the threshold')
end
r(index,:) = [ kTemp(1) kTemp(end) ];
k{index} = kTemp;
end
offset = max(r(:,1)-pre_taps,1);
for index = 1:this.nChannels
chObj = ita_time_window(this.ch(index),[offset(index) offset(index)+ window_length-1],'samples');
timeData(:,index) = chObj.timeData;
end
copyObj = this;
copyObj.timeData = timeData;
copyCoordinates = copyObj.channelCoordinates;
copyCoordinates = copyCoordinates.build_search_database;
%% global peaks
peak = max(abs(copyObj.timeData));
threshold = peak * 10^(threshold_db/20);
timeData = abs(copyObj.timeData);
for index = 1:copyObj.nChannels
kTemp = find(timeData(:,index) >=threshold(index));
if (isempty(kTemp))
error('Impulse response is completely below the threshold')
end
r(index,:) = [ kTemp(1) kTemp(end) ];
k{index} = kTemp;
end
gRangeStart = min(r(r(:,1) > delay,1));
gRangeEnd = max(r(r(:,2) < 1000,2));
nDegree = log2(window_length);
% create dataset
dataset = daff_create_dataset(...
'alphares', resAzimuth, ...
'alpharange',rangeAznew,...
'betares', resElevation, ...
'betarange', rangeElnew, ...
'channels', 2);
% set samplerate and metainfo
dataset.samplerate = this.samplingRate;
dataset.metadata.desc = 'Dummy HRTF';
dataset.metadata.delay_samples = int32(delay);
dataset.metadata.measurement_distance_meters = distance;
dataset.metadata.creation_date = datestr(now, 'yyyy-mm-dd HH:MM');
% assign data
for i=1:dataset.numrecords
%dataset.records{i}.data = this.data(:,(2*i-1:2*i))';
alpha = dataset.records{i}.alpha;
beta = dataset.records{i}.beta;
% get and save data
data = this.findnearestHRTF(180-beta,alpha);
% if ceil(nDegree) ~= floor(nDegree),data.nSamples = ceil(nDegree);
% end
dataset.records{i}.data = data.timeData(gRangeStart:gRangeStart+window_length-1,:).';
% Optionally you can supply individual metadata for the records
dataset.records{i}.metadata.filename = fileName;
end
% write file
daff_write( 'filename', fileName, ...
'content', 'IR', ...
'dataset', dataset, 'verbose');
end
end
methods(Hidden = true)
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment