Write a function that will blend three sounds together. Start with part of the first sound, then a blend of sound1 and sound2, and then a blend of sound2 and sound3, and end with the rest of sound3.

Question

What will be an ideal response?

Answer 1

```
def blendThree(sound1,sound2, sound3):
maxL = max(getLength(sound1), getLength(sound2))
maxL2 = max(getLength(sound2), getLength(sound3))
canvas=makeEmptySound(maxL+maxL2+getLength(sound1)+getLength(sound3))

#Copy all of sound one
for index in range(0, getLength(sound1)):
soundSample = getSampleValueAt(sound1,index)
setSampleValueAt(canvas ,index ,soundSample)

#Blend sound1 and sound2
for index in range (0 ,maxL):
soundSample = 0
if index soundSample = getSampleValueAt(sound1,index)
sound2Sample = 0
if index sound2Sample=getSampleValueAt(sound2,index)
newSample = 0.5* soundSample + 0.5* sound2Sample
setSampleValueAt(canvas ,index+getLength(sound1),newSample)

#Blend sound2 and sound3
for index in range (0 ,maxL2):
soundSample = 0
if index soundSample = getSampleValueAt(sound2,index)
sound2Sample = 0
if index sound2Sample=getSampleValueAt(sound3,index)
newSample = 0.5* soundSample + 0.5* sound2Sample
setSampleValueAt(canvas ,index+getLength(sound1)+maxL,newSample)

for index in range (0 ,getLength(sound3)):
sound2Sample = getSampleValueAt(sound3,index)
setSampleValueAt(canvas ,(index+getLength(sound)+maxL+maxL2),sound2Sample)
play(canvas)
return canvas
```