import pyaudio, math, time

import numpy as np

from scipy.fftpack import fft

import audioop

np.set_printoptions(suppress=True)

CHUNK = 4096

RATE = 44100

INDEX = 1

SCALE = 1000

EXPONENT = 7

p = pyaudio.PyAudio()

stream = p.open(format=pyaudio.paInt32,

input_device_index=INDEX)

vol = 0

max = 0

maxCount = 0

while True:

data = np.fromstring(stream.read(CHUNK),dtype=np.int32)

freq = fft(data) # frequencies via Fast Fourier transform

vol = int((vol + audioop.rms(data, 2)) / 2) # sequiential average

# calculate volume from 0 to 1, 1 being max

if vol > max:

max = vol

maxCount = 0

elif maxCount > 10:

max *= .99

else:

maxCount+= 1

# find

print((vol+1)/(max+1))

time.sleep(.01)