pil example Sound2image (snippet)

Python pil example 'Sound2image'

Modules used in program:

import sys
import math
import numpy as np

python Sound2image

Python pil example: Sound2image

#Encode sound to image
#Requirement : Python 2.5, Numpy, audiolab, PIL
import numpy as np
from scikits.audiolab import Format, Sndfile
import math
from PIL import Image
import sys

if len(sys.argv)!=4:
    print('Syntax: input_file image_width output_file')
    sys.exit(1)

f=Sndfile(sys.argv[1], 'r')
data=f.read_frames(f.nframes)

#Generate image
IMGwidth=int(sys.argv[2])
IMGheight=math.ceil(f.nframes/IMGwidth)
IMG=Image.new('L', (IMGwidth, IMGheight), 127)
pixels=((data+1)/2)*255
x=0
y=0
for i in range(0, len(pixels)):
    if x&gt;=IMGwidth:
        x=0
        y=y+1
    if y&gt;=IMGheight:
        break
    IMG.putpixel((x, y), int(pixels[i]))
    x=x+1

IMG.save(sys.argv[3])

Python links

Learn Python: https://pythonbasics.org/
Python Tutorial: https://pythonprogramminglanguage.com