Syllabus 20091006 Selena

nested loop rhythm

from os import system

freq=open("freq.txt")
i=0
for f in freq:
        ff=f.strip()
        dur=str(0.5/int(ff))
        system("sox -n "+str(i)+".raw synth "+dur+" brown vol 0.7")
        system("sox -n "+str(i)+"s.raw synth "+dur+" brown vol 0.0")
        for k in range(4):
                system("cat "+str(i)+".raw >> loop.raw")
                system("cat "+str(i)+"s.raw >> loop.raw")
                for m in range(4):
                        system("cat "+str(i)+".raw >> loop.raw")
                        system("cat "+str(i)+"s.raw >> loop.raw")
                        system("cat "+str(i)+"s.raw >> loop.raw")
        i=i+1
        print i


system("sox --rate 8000 -b 8 -c1 --encoding signed-integer loop.raw loop.wav")
system("rm loop.raw")
system("play loop.wav")

a melody

from os import system

freq = open("freq.txt")
i=0
for f in freq:
        #print f.strip()
        ff=f.strip()
        dur=str(20.0/int(ff))
        #print dur
        system("sox -n "+str(i)+".raw synth "+dur+" sine "+ff+" vol 0.7")
        system("sox -r 8000 -b 8 -c 1 --encoding signed-integer "+str(i)+".raw "+str(i)+".wav")
        system("play "+str(i)+".wav")
        system("cat "+str(i)+".raw >> song.raw")
        i=i+1

freq.txt

Attachments

File:Syllabus 20091006 Selena loop.wav