From 44c038685d2e65d4c9136bafb9e30f22568dcf48 Mon Sep 17 00:00:00 2001 From: Markus Mueller-Trapet Date: Tue, 9 Jan 2018 10:51:43 -0500 Subject: [PATCH] use smoothing again, fix units and slight change for output normalization --- .../Binaural-HRTF/HpTF_class/ita_headphone_equalization.m | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/applications/Binaural-HRTF/HpTF_class/ita_headphone_equalization.m b/applications/Binaural-HRTF/HpTF_class/ita_headphone_equalization.m index eed54d9..71ef257 100644 --- a/applications/Binaural-HRTF/HpTF_class/ita_headphone_equalization.m +++ b/applications/Binaural-HRTF/HpTF_class/ita_headphone_equalization.m @@ -7,6 +7,7 @@ function output = ita_headphone_equalization(HPTF,type) % output = HPTF(1,1); +output.channelUnits(:) = {''}; for cdx = 1:HPTF(1,1).nChannels hp = merge(HPTF.ch(cdx)); @@ -38,7 +39,7 @@ for cdx = 1:HPTF(1,1).nChannels R.freqData = aux; % do smoothing - %R = ita_smooth(R,'LogFreqOctave1',1/6,'Abs'); + R = ita_smooth(R,'LogFreqOctave1',1/6,'Abs'); R = ita_invert_spk_regularization(R,[0 18000],'beta',.01); % minimum phase @@ -63,14 +64,11 @@ for cdx = 1:HPTF(1,1).nChannels % H = ita_time_window(H,[2^12 2^13],'samples'); % H = ita_time_window(H,[0.1 0.2],'time','dc',true); H = ita_time_window(H,[2^9 2^10],'samples'); - H.channelUnits = {''}; % It is necessary to correct the overall level of the filter % we can either guaranty no gain % H = H/max(abs(H.freqData)); - % spl = ita_spk2level(H,3,'averaged'); -% % H = H/mean(spl.data); output.freqData(:,cdx) = H.freqData; @@ -79,4 +77,4 @@ end % or guaranty that the average level of the signal is not altered % this also means that the overall loudness of the signal will not be % considerably altered. -% output = output/norm(output.rms); \ No newline at end of file +output = output/mean(output.rms); \ No newline at end of file -- GitLab