Update Code/SoundPlayer.py

Code/SoundPlayer.py

@@ -3,7 +3,7 @@ import numpy
 
 sampleRate = 44100
 
-# Play a sound of the given frequencies
+# Save a sound of the given frequencies
 #   freqs : list of frequencies to be played
 #   dur : sound's duration
 #   vol : list of frequencies's volumes
@@ -11,10 +11,14 @@ def playFreqs(freqs, dur, vol):
     # Create the audio array
     arr = []
     for t in numpy.linspace(0., 1., sampleRate):
-        val = 1000 * numpy.sin(2.0 * numpy.pi * freqs[0] * t)
+        val = 0
+        for i in range(len(freqs)):
+            val += vol[i] * numpy.sin(2.0 * numpy.pi * freqs[i] * t)
         arr.append(val)
     arr = numpy.array(arr).astype(numpy.int16)
-    # Play sound
-    write("exemple.wav", sampleRate, arr)
+    # Save the sound
+    write("Sound.wav", sampleRate, arr)
 
-playFreqs([441.43], 1000, [1000])
\ No newline at end of file
+freqs = [440 * i for i in range(1, 20)]
+vol = [1000 / i**2 for i in range(1, 20)]
+playFreqs(freqs, 1000, vol)