# HG changeset patch
# User SebastianEwert
# Date 1377014920 -3600
# Node ID a4173509bc431d82daada93e30061f4919dd0f7e
# Parent  053a55a91d2012791fbc632778764db82526dabf
normalized new audio examples
same colormap for all degradations

diff -r 053a55a91d20 -r a4173509bc43 demo_degradationUnits.m
--- a/demo_degradationUnits.m	Tue Aug 20 16:35:54 2013 +0100
+++ b/demo_degradationUnits.m	Tue Aug 20 17:08:40 2013 +0100
@@ -33,18 +33,21 @@
     'testdata/RWC_G84.wav';
     'testdata/RWC_P009m_drum.wav';
     'testdata/RWC-C08.wav';
+    'testdata/cello.wav';
     };
 
 createSpectrograms = 0;
 
 %%
 % just copying original files to the demo folder
+maxValueRangeVis = zeros(length(filenames));
 for k=1:length(filenames)
     copyfile(filenames{k}, fullfile(pathOutputDemo,sprintf('00_Original_file%d.wav',k)))
     if createSpectrograms
         [f_audio,samplingFreq]=wavread(filenames{k});
         [s,f,t] = spectrogram(f_audio,hamming(round(samplingFreq*0.093)),round(samplingFreq*0.093/2),[],samplingFreq);
         figure; imagesc(t,f,log10(abs(s)+1)); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('00_Original_file%d.png',k)))
+        maxValueRangeVis(k) = max(max(log10(abs(s)+1)));
     end
 end
 
@@ -63,7 +66,7 @@
     wavwrite(f_audio_out,samplingFreq,16,fullfile(pathOutputDemo,sprintf('Unit_01_addNoise_file%d.wav',k)));
     if createSpectrograms
         [s,f,t] = spectrogram(f_audio_out,hamming(round(samplingFreq*0.093)),round(samplingFreq*0.093/2),[],samplingFreq);
-        figure; imagesc(t,f,log10(abs(s)+1)); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Unit_01_addNoise_file%d.png',k)))    
+        figure; imagesc(t,f,log10(abs(s)+1),[0 maxValueRangeVis(k)]); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Unit_01_addNoise_file%d.png',k)))    
     end
 end
 
@@ -79,7 +82,7 @@
     wavwrite(f_audio_out,samplingFreq,16,fullfile(pathOutputDemo,sprintf('Unit_02_addSound_file%d.wav',k)));
     if createSpectrograms
         [s,f,t] = spectrogram(f_audio_out,hamming(round(samplingFreq*0.093)),round(samplingFreq*0.093/2),[],samplingFreq);
-        figure; imagesc(t,f,log10(abs(s)+1)); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Unit_02_addSound_file%d.png',k)))    
+        figure; imagesc(t,f,log10(abs(s)+1),[0 maxValueRangeVis(k)]); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Unit_02_addSound_file%d.png',k)))    
     end
 end;
 
@@ -93,7 +96,7 @@
     wavwrite(f_audio_out,samplingFreq,16,fullfile(pathOutputDemo,sprintf('Unit_03_applyAliasing_file%d.wav',k)));
     if createSpectrograms
         [s,f,t] = spectrogram(f_audio_out,hamming(round(samplingFreq*0.093)),round(samplingFreq*0.093/2),[],samplingFreq);
-        figure; imagesc(t,f,log10(abs(s)+1)); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Unit_03_applyAliasing_file%d.png',k)))    
+        figure; imagesc(t,f,log10(abs(s)+1),[0 maxValueRangeVis(k)]); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Unit_03_applyAliasing_file%d.png',k)))    
     end
 end;
 
@@ -107,7 +110,7 @@
     wavwrite(f_audio_out,samplingFreq,16,fullfile(pathOutputDemo,sprintf('Unit_04_applyClipping_file%d.wav',k)));
     if createSpectrograms
         [s,f,t] = spectrogram(f_audio_out,hamming(round(samplingFreq*0.093)),round(samplingFreq*0.093/2),[],samplingFreq);
-        figure; imagesc(t,f,log10(abs(s)+1)); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Unit_04_applyClipping_file%d.png',k)))    
+        figure; imagesc(t,f,log10(abs(s)+1),[0 maxValueRangeVis(k)]); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Unit_04_applyClipping_file%d.png',k)))    
     end
 end;
 %%
@@ -121,7 +124,7 @@
     wavwrite(f_audio_out,samplingFreq,16,fullfile(pathOutputDemo,sprintf('Unit_05_applyDynamicRangeCompression_file%d.wav',k)));
     if createSpectrograms
         [s,f,t] = spectrogram(f_audio_out,hamming(round(samplingFreq*0.093)),round(samplingFreq*0.093/2),[],samplingFreq);
-        figure; imagesc(t,f,log10(abs(s)+1)); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Unit_05_applyDynamicRangeCompression_file%d.png',k)))    
+        figure; imagesc(t,f,log10(abs(s)+1),[0 maxValueRangeVis(k)]); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Unit_05_applyDynamicRangeCompression_file%d.png',k)))    
     end
 end;
 
@@ -135,7 +138,7 @@
     wavwrite(f_audio_out,samplingFreq,16,fullfile(pathOutputDemo,sprintf('Unit_06_applyHarmonicDistortion_file%d.wav',k)));
     if createSpectrograms
         [s,f,t] = spectrogram(f_audio_out,hamming(round(samplingFreq*0.093)),round(samplingFreq*0.093/2),[],samplingFreq);
-        figure; imagesc(t,f,log10(abs(s)+1)); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Unit_06_applyHarmonicDistortion_file%d.png',k)))    
+        figure; imagesc(t,f,log10(abs(s)+1),[0 maxValueRangeVis(k)]); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Unit_06_applyHarmonicDistortion_file%d.png',k)))    
     end
 end;
 
@@ -149,7 +152,7 @@
     wavwrite(f_audio_out,samplingFreq,16,fullfile(pathOutputDemo,sprintf('Unit_07_applyMp3Compression_file%d.wav',k)));
     if createSpectrograms
         [s,f,t] = spectrogram(f_audio_out,hamming(round(samplingFreq*0.093)),round(samplingFreq*0.093/2),[],samplingFreq);
-        figure; imagesc(t,f,log10(abs(s)+1)); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Unit_07_applyMp3Compression_file%d.png',k)))    
+        figure; imagesc(t,f,log10(abs(s)+1),[0 maxValueRangeVis(k)]); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Unit_07_applyMp3Compression_file%d.png',k)))    
     end
 end;
 
@@ -164,7 +167,7 @@
     wavwrite(f_audio_out,samplingFreq,16,fullfile(pathOutputDemo,sprintf('Unit_08_applySpeedup_file%d.wav',k)));
     if createSpectrograms
         [s,f,t] = spectrogram(f_audio_out,hamming(round(samplingFreq*0.093)),round(samplingFreq*0.093/2),[],samplingFreq);
-        figure; imagesc(t,f,log10(abs(s)+1)); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Unit_08_applySpeedup_file%d.png',k)))    
+        figure; imagesc(t,f,log10(abs(s)+1),[0 maxValueRangeVis(k)]); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Unit_08_applySpeedup_file%d.png',k)))    
     end
 end;
 
@@ -179,7 +182,7 @@
     wavwrite(f_audio_out,samplingFreq,16,fullfile(pathOutputDemo,sprintf('Unit_09_applyWowResampling_file%d.wav',k)));
     if createSpectrograms
         [s,f,t] = spectrogram(f_audio_out,hamming(round(samplingFreq*0.093)),round(samplingFreq*0.093/2),[],samplingFreq);
-        figure; imagesc(t,f,log10(abs(s)+1)); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Unit_09_applyWowResampling_file%d.png',k)))    
+        figure; imagesc(t,f,log10(abs(s)+1),[0 maxValueRangeVis(k)]); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Unit_09_applyWowResampling_file%d.png',k)))    
     end
 end;
 
@@ -193,7 +196,7 @@
     wavwrite(f_audio_out,samplingFreq,16,fullfile(pathOutputDemo,sprintf('Unit_10_applyHighpassFilter_file%d.wav',k)));
     if createSpectrograms
         [s,f,t] = spectrogram(f_audio_out,hamming(round(samplingFreq*0.093)),round(samplingFreq*0.093/2),[],samplingFreq);
-        figure; imagesc(t,f,log10(abs(s)+1)); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Unit_10_applyHighpassFilter_file%d.png',k)))    
+        figure; imagesc(t,f,log10(abs(s)+1),[0 maxValueRangeVis(k)]); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Unit_10_applyHighpassFilter_file%d.png',k)))    
     end
 end;
 
@@ -222,7 +225,7 @@
     wavwrite(f_audio_out,samplingFreq,16,fullfile(pathOutputDemo,sprintf('Unit_11_applyImpulseResponse_file%d.wav',k)));
     if createSpectrograms
         [s,f,t] = spectrogram(f_audio_out,hamming(round(samplingFreq*0.093)),round(samplingFreq*0.093/2),[],samplingFreq);
-        figure; imagesc(t,f,log10(abs(s)+1)); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Unit_11_applyImpulseResponse_file%d.png',k)))    
+        figure; imagesc(t,f,log10(abs(s)+1),[0 maxValueRangeVis(k)]); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Unit_11_applyImpulseResponse_file%d.png',k)))    
     end
 end;
 
diff -r 053a55a91d20 -r a4173509bc43 demo_degradations.m
--- a/demo_degradations.m	Tue Aug 20 16:35:54 2013 +0100
+++ b/demo_degradations.m	Tue Aug 20 17:08:40 2013 +0100
@@ -33,18 +33,21 @@
     'testdata/RWC_G84.wav';
     'testdata/RWC_P009m_drum.wav';
     'testdata/RWC-C08.wav';
+    'testdata/cello.wav';
     };
 
 createSpectrograms = 0;
 
 %%
 % just copying original files to the demo folder
+maxValueRangeVis = zeros(length(filenames));
 for k=1:length(filenames)
     copyfile(filenames{k}, fullfile(pathOutputDemo,sprintf('00_Original_file%d.wav',k)))
     if createSpectrograms
         [f_audio,samplingFreq]=wavread(filenames{k});
         [s,f,t] = spectrogram(f_audio,hamming(round(samplingFreq*0.093)),round(samplingFreq*0.093/2),[],samplingFreq);
         figure; imagesc(t,f,log10(abs(s)+1)); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('00_Original_file%d.png',k)))
+        maxValueRangeVis(k) = max(max(log10(abs(s)+1)));
     end
 end
 
@@ -57,7 +60,7 @@
     wavwrite(f_audio_out,samplingFreq,16,fullfile(pathOutputDemo,sprintf('Degr_01_liveRecording_file%d.wav',k)));
     if createSpectrograms
         [s,f,t] = spectrogram(f_audio_out,hamming(round(samplingFreq*0.093)),round(samplingFreq*0.093/2),[],samplingFreq);
-        figure; imagesc(t,f,log10(abs(s)+1)); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Degr_01_liveRecording_file%d.png',k)))
+        figure; imagesc(t,f,log10(abs(s)+1),[0 maxValueRangeVis(k)]); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Degr_01_liveRecording_file%d.png',k)))
     end
 end
 
@@ -70,7 +73,7 @@
     wavwrite(f_audio_out,samplingFreq,16,fullfile(pathOutputDemo,sprintf('Degr_02_strongMp3Compression_file%d.wav',k)));
     if createSpectrograms
         [s,f,t] = spectrogram(f_audio_out,hamming(round(samplingFreq*0.093)),round(samplingFreq*0.093/2),[],samplingFreq);
-        figure; imagesc(t,f,log10(abs(s)+1)); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Degr_02_strongMp3Compression_file%d.png',k)))
+        figure; imagesc(t,f,log10(abs(s)+1),[0 maxValueRangeVis(k)]); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Degr_02_strongMp3Compression_file%d.png',k)))
     end
 end
 
@@ -83,7 +86,7 @@
     wavwrite(f_audio_out,samplingFreq,16,fullfile(pathOutputDemo,sprintf('Degr_03_vinylRecording_file%d.wav',k)));
     if createSpectrograms
         [s,f,t] = spectrogram(f_audio_out,hamming(round(samplingFreq*0.093)),round(samplingFreq*0.093/2),[],samplingFreq);
-        figure; imagesc(t,f,log10(abs(s)+1)); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Degr_03_vinylRecording_file%d.png',k)))
+        figure; imagesc(t,f,log10(abs(s)+1),[0 maxValueRangeVis(k)]); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Degr_03_vinylRecording_file%d.png',k)))
     end
 end
 
@@ -96,7 +99,7 @@
     wavwrite(f_audio_out,samplingFreq,16,fullfile(pathOutputDemo,sprintf('Degr_04_radioBroadcast_file%d.wav',k)));
     if createSpectrograms
         [s,f,t] = spectrogram(f_audio_out,hamming(round(samplingFreq*0.093)),round(samplingFreq*0.093/2),[],samplingFreq);
-        figure; imagesc(t,f,log10(abs(s)+1)); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Degr_04_radioBroadcast_file%d.png',k)))
+        figure; imagesc(t,f,log10(abs(s)+1),[0 maxValueRangeVis(k)]); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Degr_04_radioBroadcast_file%d.png',k)))
     end
 end
 
@@ -109,7 +112,7 @@
     wavwrite(f_audio_out,samplingFreq,16,fullfile(pathOutputDemo,sprintf('Degr_05_smartPhoneRecording_file%d.wav',k)));
     if createSpectrograms
         [s,f,t] = spectrogram(f_audio_out,hamming(round(samplingFreq*0.093)),round(samplingFreq*0.093/2),[],samplingFreq);
-        figure; imagesc(t,f,log10(abs(s)+1)); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Degr_05_smartPhoneRecording_file%d.png',k)))
+        figure; imagesc(t,f,log10(abs(s)+1),[0 maxValueRangeVis(k)]); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Degr_05_smartPhoneRecording_file%d.png',k)))
     end
 end
 
@@ -122,7 +125,7 @@
     wavwrite(f_audio_out,samplingFreq,16,fullfile(pathOutputDemo,sprintf('Degr_06_smartPhonePlayback_file%d.wav',k)));
     if createSpectrograms
         [s,f,t] = spectrogram(f_audio_out,hamming(round(samplingFreq*0.093)),round(samplingFreq*0.093/2),[],samplingFreq);
-        figure; imagesc(t,f,log10(abs(s)+1)); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Degr_06_smartPhonePlayback_file%d.png',k)))
+        figure; imagesc(t,f,log10(abs(s)+1),[0 maxValueRangeVis(k)]); axis xy; colormap(hot); ylim([0,8000]); colorbar; print('-dpng', fullfile(pathOutputDemo,sprintf('Degr_06_smartPhonePlayback_file%d.png',k)))
     end
 end
 
diff -r 053a55a91d20 -r a4173509bc43 testdata/RWC_G39.wav
Binary file testdata/RWC_G39.wav has changed
diff -r 053a55a91d20 -r a4173509bc43 testdata/RWC_G72.wav
Binary file testdata/RWC_G72.wav has changed
diff -r 053a55a91d20 -r a4173509bc43 testdata/RWC_G84.wav
Binary file testdata/RWC_G84.wav has changed
diff -r 053a55a91d20 -r a4173509bc43 testdata/cello.wav
Binary file testdata/cello.wav has changed