Syllabus 20091006 Emanuele
from os import system
import time
system('sox -c2 -r44100 -n -t wav - synth 0.2 pinknoise vol 1.0 fade l 0 0.2 0.19 > pink.wav')
system('sox -c2 -r44100 -n -t wav - synth 0.2 brownnoise vol 1.0 fade l 0 0.2 0.19 > brown.wav')
system('sox -c2 -r44100 -n -t wav - synth 0.2 noise vol 1.0 fade l 0 0.2 0.19 > white.wav')
system('sox -c2 -r44100 -n silence.wav synth 0.2 noise vol 0.0')
system('sox pink.wav --rate 44100 --bits 16 --channels 2 --encoding signed-integer pink.raw')
system('sox brown.wav --rate 44100 --bits 16 --channels 2 --encoding signed-integer brown.raw')
system('sox white.wav --rate 44100 --bits 16 --channels 2 --encoding signed-integer white.raw')
system('sox silence.wav --rate 44100 --bits 16 --channels 2 --encoding signed-integer silence.raw')
n=1
f=8
for i in range(8):
system("cat pink.raw >> song1.raw")
for i in range(n):
system("cat brown.raw >> song1.raw")
for i in range(f):
system("cat silence.raw>>song1.raw")
n=n+1
f=f/2
n=8
for i in range(8):
system("cat pink.raw >> song1.raw")
for i in range(n):
system("cat brown.raw >> song1.raw")
for i in range(f)"
system("cat silence.raw>>song1.raw")
n=n-1
f=f*2
system("sox --rate 44100 --bits 16 --channels 2 --encoding signed-integer song1.raw song1.wav")
system("rm song1.raw")
system("play song1.wav")