Add more spectral images

scripts/piped-work/docimages_core.py

@@ -72,9 +72,11 @@ def quickTest() :
 
 def setup() :
     global path
+    global sample_path
     global sample
     global sample2
     path = 'C:\\Users\\James Crook\\'
+    sample_path ='C:\\Users\\James Crook\\Music\\'
     sample ='C:\\Users\\James Crook\\Music\\The Poodle Podcast.wav'
     sample2 ='C:\\Users\\James Crook\\Music\\PoodlePodStereo.wav'
     startPipes()
@@ -91,6 +93,13 @@ def capture( name, what ) :
     global path
     do( 'Screenshot: Path="'+path+name+'" CaptureWhat=' + what )
 
+def loadExample( name ):
+    global sample_path
+    makeWayForTracks( )
+    do( 'Import2: Filename="'+sample_path+name+'"' )
+    do( 'Select: First=0 Last=0 Start=0 End=0')
+    do( 'FitInWindow' )
+
 def loadMonoTrack():
     global sample
     makeWayForTracks( )

scripts/piped-work/docimages_spectro.py

@@ -8,6 +8,7 @@
 #load and run the common core.
 exec( open("docimages_core.py" ).read() )
 
+import math
 
 
 # 11 2KHz tones, of decreasing amplitude.
@@ -39,22 +40,107 @@ def spectro_imagesA() :
     # As spectrogram.
     do( 'SetTrack: Track=0 Display=Spectrogram')
     do( 'Select: Start=55 End=70 First=0 Last=1')
-    capture( 'Spectral002.png', 'First_Track' )
+    capture( 'Spectral002.png', 'All_Tracks' )
     # Half spectrogram, half wave.
     do( 'SetTrack: Channel=1 Display=Waveform')
-    capture( 'MixedMode.png', 'First_Track' )
+    capture( 'MixedMode.png', 'All_Tracks' )
 
 def spectro_imagesB():
     makeStepper();
     # Stepper tone, viewed in dB.
     do( 'SetTrack: Scale=dB')
-    capture( 'Spectral003.png', 'First_Two_Tracks' )
+    capture( 'Spectral003.png', 'All_Tracks' )
     # As spectrogram.
     do( 'SetTrack: Display=Spectrogram')
-    capture( 'Spectral004.png', 'First_Two_Tracks' )
+    capture( 'Spectral004.png', 'All_Tracks' )
+
+def spectro_imagesC():
+    loadExample( 'AudacitySpectral.wav' )
+    capture( 'Spectral005.png', 'All_Tracks' )
+    do( 'SetTrack: Scale=dB')
+    capture( 'Spectral006.png', 'All_Tracks' )
+    do( 'SetTrack: Display=Spectrogram')
+    capture( 'Spectral007.png', 'All_Tracks' )
+
+def setWindow( name, value ):
+    do( 'SetTrack: SpecPrefs=1 Name="Window Size '+value+'"' )
+    do( 'SetPreference: Name="/Spectrum/FFTSize" Reload=1 Value='+value )
+    do( 'SetTrack: Track=0 Display=Spectrogram' )
+    capture( name + value + '.png', 'All_Tracks' )
+
+def multiWindow( name ) :   
+    setWindow( name, "256" )
+    setWindow( name, "512" )
+    setWindow( name, "2048" )
+    setWindow( name, "4096" )
+    setWindow( name, "8192" )
+    setWindow( name, "1024" ) # done last so we restore the default.
     
+
+def spectro_imagesD():
+    makeWayForTracks()
+    do( 'NewMonoTrack' )
+    do( 'Select: Start=0.7 End=1.3')
+    do( 'Silence' ) #Just so we can watch.
+    do( 'Select: Start=0.8 End=1.2')
+    do( 'ZoomSel')
+    do( 'Select: Start=0.7 End=1.3')
+    do( 'Tone: Frequency=3000 Amplitude=0.8' )
+    do( 'Select: Start=0.99 End=0.99005' )
+    do( 'Tone: Frequency=12000 Amplitude=0.9' )
+    do( 'Select: Start=1.01 End=1.01005' )
+    do( 'Tone: Frequency=12000 Amplitude=0.9' )
+    do( 'Select: Start=0 End=0' )
+    multiWindow( 'SpectralAt' )
+
+def spectro_imagesE():
+    makeWayForTracks()
+    do( 'NewMonoTrack' )
+    do( 'Select: Start=0 End=1.2')
+    do( 'ZoomSel')
+    do( 'Pluck' )
+    do( 'Select: Start=0.1 End=1.0')
+    do( 'ZoomSel')
+    multiWindow( 'SpectralNote' )
+
+def makeScale( start, end, count ) :   
+    a = math.exp( math.log( end/start) /(count-1 ))
+    makeWayForTracks()
+    do( 'NewMonoTrack' )
+    do( 'Select: Start=0 End=' + str( count/10 ))
+    do( 'Silence' ) #To see it happen...
+    do( 'SetTrack: Track=0 SpecPrefs=1 Display=Spectrogram' )
+    do( 'ZoomSel' )
+    #do( 'SetTrack: Track=0 Display=Spectrogram' )
+    for i in range( 0 , count , 2 ):
+        note = start * ( a ** i )
+        #print( note )
+        do( 'Select: Start=' + str( i / 10) + ' End=' + str( (i+1)/10 ))
+        do( 'Tone: Frequency=' +str( note ) )
+        do( 'Select: Start=' + str( i / 10) + ' End=' + str( ( i / 10) +0.05))
+        do( 'FadeIn' )
+        do( 'Select: Start=' + str( (i+1) / 10 -0.05) + ' End=' + str( (i+1) / 10 ))
+        do( 'FadeOut' )
+    do( 'FitInWindow' )
+    #do( 'Select: Start=0 End=' + str( count/10 ))
+    #do( 'Join' )
+    do( 'Select: Start=0 End=0')
+        
+
+def spectro_imagesF():
+    makeScale( 200, 4000, 100 )
+    do( 'SetTrack: Track=0 Display=Spectrogram' )
+    capture( 'ScaleLin.png', 'All_Tracks' )
+    do( 'SetPreference: Name=/Spectrum/ScaleType Value=1 Reload=1')
+    capture( 'ScaleLog.png', 'All_Tracks' )
+    do( 'SetPreference: Name=/Spectrum/ScaleType Value=0 Reload=1')
+    
+        
 #quickTest()
 
-spectro_imagesA()
-spectro_imagesB()
-
+#spectro_imagesA()
+#spectro_imagesB()
+#spectro_imagesC()
+#spectro_imagesD()
+#spectro_imagesE()
+spectro_imagesF()